hafnium

Hafnium

Hafnium

Hafnium (Hf)

Hafnium (Hf)

I.1A.029 | ex 1C111* (1C111.a.1-3, 1C111.a.4, 1C111.b.1-4 and 1C111.c) | Propellants and constituent chemicals for propellants, other than those specified in I.1A.025, as follows: a.Propulsive substances:1.Spherical aluminium powder, other than that specified in the Military Goods Controls, with particles of uniform diameter of less than 200 μm and an aluminium content of 97 % by weight or more, if at least 10 % of the total weight is made up of particles of less than 63 μm, according to ISO 2591:1988 or national equivalents;Technical Notes:A particle size of 63 μm (ISO R-565) corresponds to 250 mesh (Tyler) or 230 mesh (ASTM standard E-11).2.Metal fuels, other than that specified in the Military Goods Controls, in particle sizes of less than 60 μm, whether spherical, atomized, spheroidal, flaked or ground, consisting 97 % by weight or more of any of the following:a.Zirconium;b.Beryllium;c.Magnesium; ord.Alloys of the metals specified by (a) to (c) above;Technical Notes:The natural content of hafnium in the zirconium (typically 2 % to 7 %) is counted with the zirconium.3.Oxidiser substances usable in liquid propellant rocket engines as follows:a.Dinitrogen trioxide;b.Nitrogen dioxide/dinitrogen tetroxide;c.Dinitrogen pentoxide;d.Mixed Oxides of Nitrogen (MON);Technical Notes:Mixed Oxides of Nitrogen (MON) are solutions of Nitric Oxide (NO) in Dinitrogen Tetroxide/Nitrogen Dioxide (N2O4/NO2) that can be used in missile systems.

I.1A.029 | ex 1C111* (1C111.a.1-3, 1C111.a.4, 1C111.b.1-4 und 1C111.c) | Treibstoffe und chemische Bestandteile für Treibstoffe, die nicht von Nummer I.0A.025 erfasst werden, wie folgt: a.Treibstoffzusätze wie folgt:1.kugelförmiges Aluminiumpulver, das nicht von den Listen für Waffen, Munition und Rüstungsmaterial erfasst wird, aus Partikeln mit einem einheitlichen Durchmesser kleiner als 200 μm und einem Aluminiumgehalt von mindestens 97 Gew -%, falls mindestens 10 % des Gesamtgewichts aus Teilchen kleiner als 63 μm besteht, entsprechend ISO 2591 (1988) oder vergleichbaren nationalen Standards;Technische Anmerkung:Eine Teilchengröße von 63 μm (ISO R-565) entspricht 250 mesh (Tyler) oder 230 mesh (ASTM Standard E-11).2.metallische Brennstoffe, die nicht von den Listen für Waffen, Munition und Rüstungsmaterial erfasst werden, mit Partikelgrößen kleiner als 60 μm (kugelförmig, staubförmig, kugelähnlich, flockenförmig oder gemahlen), die mindestens zu 97 Gew -% aus einem der folgenden Elemente bestehen:a.Zirkonium,b.Beryllium,c.Magnesium oderd.Legierungen der Stoffe unter (a) bis (c);Technische Anmerkung:Der natürliche Hafnium-Gehalt im Zirkonium (typischerweise 2 % bis 7 %) wird dem Zirkonium-Gehalt hinzugerechnet.3.Oxidationsmittel, verwendbar in Flüssigtreibstoff für Raketenmotoren wie folgt:a.Distickstofftrioxid,b.Stickstoffdioxid/Distickstofftetroxid,c.Distickstoffpentoxid,d.Stickstoffmischoxide (MON),Technische Anmerkung:Stickstoffmischoxide (MON = Mixed Oxide of Nitrogen) sind Lösungen von Stickstoffoxid (NO) in Distickstofftetroxid/Stickstoffdioxid (N2O4/NO2), die in Flugkörpersystemen verwendet werden können.

ORTHOESTERS FREE OF ALCOHOL FROM ZIRCONIUM AND HAFNIUM AND PROCESS FOR THEIR PREPARATION

Alkoholfreie Orthoester des Zirkoniums und Hafniums und Verfahren zu deren Herstellung

A hard magnetic ferrite composite characterized in that the ferrite composite is a hard magnetic interdispersed two-phase ferrite composite which comprises, as a ferromagnetic phase, a magnetically hard ferrite material having a hexagonal crystalline structure of the general formula R x P (1-x) Fe??O?? where R is selected from rare earth elements, P is selected from the group consisting of strontium, barium, lead, or calcium and mixtures thereof and x has a value of from 0.1 to 0.4, said two-phase ferrite composite exhibiting a coercivity of at least 23873.1 A/m (300 Oersted) when magnetically saturated and an induced magnetic moment of at least 20 Am²/kg (EMU/g) when in an applied magnetic field of 79577 A/m (1000 Oersted) and, as a ferroelectric phase, a ferroelectric material comprised of at least one of the double oxides of titanium, hafnium, zirconium, tin and germanium and either an alkaline earth, or cadmium or lead, wherein the mole ratio of the ferromagnetic phase to the ferroelectric phase, is from 1:1 to 1:4.

Harter magnetischer Ferritverbund, dadurch gekennzeichnet, daß der Ferritverbund ein harter magnetischer, ineinander dispergierter, zweiphasiger Ferritverbund ist, der umfaßt als eine ferromagnetische Phase ein magnetisch hartes Ferritmaterial mit einer hexagonalen kristallinen Struktur der allgemeinen Formel R x P (1-x) Fe??O??, worin R ausgewählt ist aus seltenen Erdelementen, worin P ausgewählt ist aus der Gruppe bestehend aus Strontium, Barium, Blei oder Calcium und Mischungen hiervon und worin x einen Wert von 0,1 bis 0,4 hat, wobei der zweiphasige Ferritverbund eine Koerzivität von mindestens 23873,1 A/m (300 Oersted) aufweist, wenn er magnetisch gesättigt ist, sowie ein induziertes magnetisches Moment von mindestens 20 Am²/kg (EMU/g) in einem angelegten magnetischen Feld von 79577 A/m (1000 Oersted) und als eine ferroelektrische Phase aufweist ein ferroelektrisches Material aus mindestens einem der Doppeloxide von Titan, Hafnium, Zirkonium, Zinn und Germanium und entweder ein Erdalkalimetall oder Cadmium oder Blei, wobei das Molverhältnis von der ferromagnetischen Phase zur ferroelektrischen Phase bei 1 : 1 bis 1 : 4 liegt.

The compound of claim 1, wherein M 1 is selected from zirconium and hafnium; R 1 and R 2 are selected from chlorine, C 1 -C 4 alkyl groups and C 6 -C 10 aryl groups; R 3 is selected from C 1 -C 4 alkyl groups and C 6 -C 10 aryl groups; R 4 and R 8 are hydrogen; R 6 , R 7 , R 9 , R 10 , R 11 and R 12 are each independently selected from hydrogen and C 1 -C 4 alkyl groups; R 5 is selected from C 1 -C 6 alkyl groups and C 6 -C 10 aryl groups; and R 13 is selected from di(C 1 -C 4 alkyl)silanediyl, diphenylsilanediyl, (C 1 -C 4 alkyl)phenylsilanediyl, diphenylmethanediyl and C 2 -C 4 alkanediyl and alkenediyl radicals and groups of the formula wherein: R 17 , R 18 , R 19 , R 20 , R 21 , R 22 , R 23 and R 24 are each independently selected from hydrogen, halogen and C 1 -C 3 alkyl groups; and M 2 represents a carbon or silicon atom.

Verbindung nach Anspruch 1, bei der M 1 ausgewählt ist aus Zirconium und Hafnium; R 1 und R 2 ausgewählt sind aus Chlor, C 1 - bis C 4 -Alkylgruppen und C 6 - bis C 10 -Arylgruppen; R 3 ausgewählt ist aus C 1 - bis C 4 -Alkylgruppen und C 6 - bis C 10 -Arylgruppen; R 4 und R 8 Wasserstoff sind; R 6 , R 7 , R 8 , R 9 , R 10 , R 11 und R 12 jeweils unabhängig ausgewählt sind aus Wasserstoff und C 1 - bis C 4 -Alkylgruppen; R 5 ausgewählt ist aus C 1 - bis C 6 -Alkylgruppen und C 6 - bis C 10 -Arylgruppen und R 13 ausgewählt ist aus Di(C 1 -C 4 -alkyl) silandiyl-, Diphenylsilandiyl-, (C 1 -C 4 -Alkyl)phenylsilandiyl-, Diphenylmethandiyl- und C 2 -C 4 -Alkandiyl- und Alkendiylresten und Gruppen mit der Formel worin R 17 , R 18 , R 19 , R 20 , R 21 , R 22 , R 23 und R 24 jeweils unabhängig ausgewählt sind aus Wasserstoff, Halogen und C 1 -bis C 3 -Alkylgruppen und M 2 für ein Kohlenstoff- oder Siliciumatom steht.

A compound represented by the formula (I): wherein: M 1 is selected from titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten; R 1 and R 2 are selected from hydrogen, halogen, hydroxy, C 1 -C 10 alkyl groups, C 1 -C 10 alkoxy groups, C 6 -C 14 aryl groups, C 6 -C 14 aryloxy groups, C 2 -C 10 alkenyl groups, C 7 -C 40 arylalkyl groups, C 7 -C 40 alkylaryl groups and C 7 -C 40 arylalkenyl groups; or R 1 and R 2 are joined together to form an alkanediyl group or a conjugated C 4 -C 40 diene ligand which is coordinated to M 1 in a metallacyclopentene fashion; or R 1 and R 2 represent a conjugated diene, optionally substituted with one or more groups independently selected from hydrocarbyl, trihydrocarbylsilyl and trihydrocarbylsilylhydrocarbyl groups, said diene having a total of up to 40 atoms not counting hydrogen and forming a ? complex with M 1 ; R 3 is selected from hydrogen, halogen, C 1 -C 10 alkyl groups, C 6 -C 14 aryl groups, C 2 -C 10 alkenyl groups, C 7 -C 40 arylalkyl groups, C 7 -C 40 alkylaryl groups, C 8 -C 40 arylalkenyl groups, and -NR' 2 , -SR', -OR', -SiR' 3 , -OSiR' 3 and -PR' 2 radicals wherein each R' is independently selected from halogen, C 1 -C 10 alkyl groups and C 6 -C 14 aryl groups; R 4 , R 6 and R 7 are each independently selected from hydrogen, halogen, C 1 -C 10 alkyl groups, C 6 -C 14 aryl groups, C 2 -C 10 alkenyl groups, C 7 -C 40 arylalkyl groups, C 7 -C 40 alkylaryl groups, C 8 -C 40 arylalkenyl groups, and -NR' 2 , -SR', -OR', -SiR' 3 , -OSiR' 3 and -PR' 2 radicals wherein each R' is independently selected from halogen, C 1 -C 10 alkyl groups and C 6 -C 14 aryl groups; or R 6 and R 7 together with the atoms connecting them may form one or more rings; R 5 is selected from halogen, C 1 -C 10 alkyl groups, C 6 -C 14 aryl groups, C 2 -C 10 alkenyl groups, C 7 -C 40 arylalkyl groups, C 7 -C 40 alkylaryl groups, C 8 -C 40 arylalkenyl groups, and -NR' 2 , -SR', -OR', -SiR' 3 , -OSiR' 3 and -PR' 2 radicals wherein each R' is independently selected from halogen, C 1 -C 10 alkyl groups and C 6 -C 14 aryl groups; R 8 , R 9 , R 10 , R 11 and R 12 are each independently as defined for R 4 , R 6 and R 7 , provided that two or more adjacent radicals R 8 , R 9 , R 10 , R 11 and R 12 together with the atoms connecting them may form one or more rings; R 13 is selected from diphenylsilanediyl, (C 1 -C 4 alkyl)phenylsilanediyl, di(C 1 -C 4 alkyl)amidoborane and bis[tri(C 1 -C 4 alkyl)silyl]amidoborane radicals and groups of the formula wherein: R , R , R , R , R , R , R and R are each independently selected from hydrogen, halogen, hydroxy, C -C alkyl groups, C -C alkoxy groups, C -C aryl groups, C -C aryloxy groups, C -C alkenyl groups, C -C arylalkyl groups, C -C alkylaryl groups and C -C arylalkenyl groups; or two or more adjacent radicals R , R , R , R , R , R , R and R , including R and R , together with the atoms connecting them, form one or more rings; and M represents a carbon, silicon or germanium atom.

Verbindung gemäß Formel (I): in der: M 1 ausgewählt ist aus Titan, Zirkonium, Hafnium, Vanadium, Niob, Tantal, Chrom, Molybdän und Wolfram; R 1 und R 2 ausgewählt sind aus Wasserstoff, Halogen, Hydroxy, C 1 -C 10 -Alkylgruppen, C 1 -C 10 -Alkoxygruppen, C 6 -C 14 -Arylgruppen, C 6 -C 14 -Aryloxygruppen, C 2 -C 10 -Alkenylgruppen, C 7 -C 40 -Arylakylgruppen, C 7 -C 40 -Alkylarylgruppen und C 7 -C 40 -Arylalkenylgruppen; oder R 1 und R 2 unter Bildung einer Alkadiylgruppe oder eines konjugierten C 4 -C 40 -Dienliganden miteinander verbunden sind, der auf Art und Weise eines Metallacyclopentens an M 1 koordiniert ist; oder R 1 und R 2 ein konjugiertes Dien darstellen, das gegebenenfalls mit einer oder mehreren Gruppen substituiert ist, die unabhängig ausgewählt sind aus Hydrocarbyl-, Trihydrocarbylsilyl- und Trihydrocarbylsilylhydrocarbylgruppen, wobei das Dien ohne Berücksichtigung von Wasserstoff insgesamt bis zu 40 Atome aufweist und mit M 1 einen ?-Komplex bildet; R 3 ausgewählt ist aus Wasserstoff, Halogen, C 1 -C 10 -Alkylgruppen, C 6 -C 14 -Arylgruppen, C 2 -C 10 -Alkenylgruppen, C 7 -C 40 -Arylalkylgruppen, C 7 -C 40 -Alkylarylgruppen, C 8 -C 40 -Arylalkenylgruppen und -NR' 2 -, -SR'-, -OR'-, -SiR' 3 -, -OSiR' 3 - und -PR' 2 -Resten, wobei jedes R' unabhängig ausgewählt ist aus Halogen, C 1 -C 10 -Alkylgruppen und C 6 -C 14 -Arylgruppen; R 4 , R 6 und R 7 unabhängig voneinander ausgewählt sind aus Wasserstoff, Halogen, C 1 -C 10 -Alkylgruppen, C 6 -C 14 -Arylgruppen, C 2 -C 10 -Alkenylgruppen, C 7 -C 40 -Arylalkylgruppen, C 7 -C 40 -Alkylarylgruppen, C 8 -C 40 -Arylalkenylgruppen und -NR' 2 -, -SR'-, -OR'-, -SiR' 3 -, -OSiR' 3 - und -PR' 2 -Resten, wobei jedes R' unabhängig ausgewählt ist aus Halogen, C 1 -C 10 -Alkylgruppen und C 6 -C 14 -Arylgruppen; oder R 6 und R 7 zusammen mit den Atomen, die sie verbinden, einen oder mehrere Ringe bilden; R 5 ausgewählt ist aus Halogen, C 1 -C 10 -Alkylgruppen, C 6 -C 14 -Arylgruppen, C 2 -C 10 -Alkenylgruppen, C 7 -C 40 -Arylalkylgruppen, C 7 -C 40 -Alkylarylgruppen, C 8 -C 40 -Arylalkenylgruppen und -NR' 2 -, -SR'-, -OR'-, -SiR' 3 -, -OSiR' 3 - und -PR' 2 -Resten, wobei jedes R' unabhängig ausgewählt ist aus Halogen, C 1 -C 10 -Alkylgruppen und C 6 -C 14 -Arylgruppen; R 8 , R 9 , R 10 , R 11 und R 12 jeweils unabhängig voneinander wie R 4 , R 6 und R 7 definiert sind, mit der Maßgabe, dass zwei oder mehrere benachbarte Reste R 8 , R 9 , R 10 , R 11 und R 12 zusammen mit den Atomen, die sie verbinden, einen oder mehrere Ringe bilden können; R 13 ausgewählt ist aus Diphenylsiladiyl-, (C 1 -C 4 -Alkyl)phenylsiladiyl-, Di(C 1 -C 4 -alkyl)amidoboran- und Bis[tri(C 1 -C 4 -alkyl)silyl]amidoboranresten und Gruppen der Formel: in der: R , R , R , R , R , R , R und R jeweils unabhängig voneinander ausgewählt sind aus Wasserstoff, Halogen, Hydroxy, C -C -Alkylgruppen, C -C -Alkoxygruppen, C -C -Arylgruppen, C -C -Aryloxygruppen, C -C -Alkenylgruppen, C -C -Arylakylgruppen, C -C -Alkylarylgruppen und C -C -Arylalkenylgruppen; oder zwei oder mehrere benachbarte Reste R , R , R , R , R , R , R und R , einschließlich R und R , zusammen mit den Atomen, die sie verbinden, einen oder mehrere Ringe bilden; und M ein Kohlenstoff-, Silicium- oder Germaniumatom darstellt.

A catalyst system as claimed in claim 10, wherein the metallocene used is dimethylsilanediylbis(indenyl)zirconium dichloride dimethylsilanediylbis-(4-naphthylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methylbenzoindenyl)zirconium dichloride dimethylsilanediylbis-(2-methylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(2-naphthyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-phenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-t-butylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-isopropylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-ethylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-a-acenaphthindenyl)zirconium dichloride dimethylsilanediylbis-(2,4-dimethylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-ethylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-phenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4,5-benzoindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4,6-diisopropylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4,5-diisopropylindenyl)zirconium dichloride dimethylsilanediylbis-(2,4,6-trimethylindenyl)zirconium dichloride dimethylsilanediylbis-(2,5,6-trimethylindenyl)zirconium dichloride dimethylsilanediylbis-(2,4,7-trimethylindenyl)zirconium dichloride dimethylsilanediylbis- (2-methyl-5-isobutylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-5-t-butylindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4-phenylindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4,6-diisopropylindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4-isopropylindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4,5-benzoindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4,5-(methylbenzo)indenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4,5-(tetramethylbenzo)indenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-4-a-acenaphthindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methylindenyl)zirconium dichloride methyl(phenyl)silanediylbis-(2-methyl-5-isobutylindenyl)zirconium dichloride 1,2-ethanediylbis-(2-methyl-4-phenylindenyl)zirconium dichloride 1,4-butanedlylbis-(2-methyl-4-phenylindenyl)zirconium dichloride 1,2-ethanediylbis-(2-methyl-4,6-diisopropylindenyl)zirconium dichloride 1,4-butanediylbis-(2-methyl-4-isopropylindenyl)zirconium dichloride 1,4-butanediylbis-(2-methyl-4,5-benzoindenyl)zirconium dichloride 1,2-ethanediylbis-(2-methyl-4,5-benzoindenyl)zirconium dichloride 1,2-ethanediylbis-(2,4,7-trimethylindenyl)zirconium dichloride 1,2-ethanediylbis-(2-methylindenyl)zirconium dichloride 1,4-butanediylbis-(2-methylindenyl)zirconium dichloride [4-(0 5 -cyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalene)]dichlorozirconium [4-(0 5 -3'-trimethylsilylcyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalene)]dichlorozirconium [4-(0 5 -3'-isopropylcyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalene)]dichlorozirconium [4-(0 5 -cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitanium [4-(0 5 -cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorozirconium [4-(0 5 -cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorohafnium [4-(0 5 -3=-tert-butylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]dichlorotitanium 4-(0 5 -3=-isopropylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]dichlorotitanium 4-(0 5 -3=-methylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]dichlorotitanium 4-(0 5 -3=-trimethylsilylcyclopentadienyl)-2-trimethylsilyl-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]dichlorotitanium 4-(0 5 -3=-tert-butylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]dichlorozirconium (tert-butylamido)(tetramethyl-0 5 -cyclopentadienyl)-dimethylsilyldichlorotitanium (tert-butylamido)(tetramethyl-0 5 -cyclopentadienyl)-1,2-ethanediyldichlorotitanium (methylamido)(tetramethyl-0 5 -cyclopentadienyl)dimethylsilyldichlorotitanium (methylamido) (tetramethyl-0 5 -cyclopentadienyl)-1,2-ethanediyldichlorotitanium (tert-butylamido)-(2,4-dimethyl-2,4-pentadien-1-yl)dimethylsilyldichlorotitanium bis-(cyclopentadienyl)zirconium dichloride bis-(n-butylcyclopentadienyl)zirconium dichloride bis-(1,3-dimethylcyclopentadienyl)zirconium dichloride tetrachloro-[1-[bis-(0 5 -1H-inden-1-ylidene)methylsilyl]-3-0 5 -cyclopenta-2,4-dien-1-ylidene)-3-0 5 -9H-fluoren-9-ylidene)butane]dizirconium tetrachloro-[2-[bis-(0 5 -2-methyl-1H-inden-1-ylidene)methoxysilyl]-5-(0 5 -2,3,4,5-tetramethylcyclopenta-2,4-dien-1-ylidene)-5-(0 5 -9H-fluoren-9-yl-idene)hexane]dizirconium tetrachloro-[1-[bis-(0 5 -1H-inden-1-ylidene)methylsilyl]-6-(0 5 -cyclopenta-2,4-dien-1-ylidene)-6-(0 5 -9H-fluoren-9-ylidene)-3-oxaheptane]-dizirconium dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-trifluoromethylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-methoxyphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-tert-butylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-trifluoromethylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-methoxyphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-methylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-ethylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-methyl-4- (4'-trifluoromethylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-methoxyphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-tert-butylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-methylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-ethylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-trifluoromethylphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-methoxyphenylindenyl)dimethylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-trimethylsilylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-trimethylsilylphenylindenyl)-dimethylzirconium dimethylsilanediylbis-(2-ethyl-4-(4'-trimethylsilylphenylindenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-trimethylsilylphenylindenyl)-dimethylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)hafnium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)titanium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-methylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-n-propylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-n-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-hexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-sec-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-phenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-methylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-ethylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-n-propylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-n-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-hexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-pentylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-cyclohexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-sec-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-phenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-methylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-ethylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-isopropylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-n-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-hexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-cyclohexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-sec-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-propyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-phenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-methylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-ethylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-n-propylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-isopropylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-n-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-hexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-cyclohexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-sec-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-n-butyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis- (2-hexyl-4-phenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-methylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-ethylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-n-propylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-isopropylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-n-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-hexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-cyclohexylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-sec-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-hexyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)zirconium bis(dimethylamide) dimethylsilanediylbis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)dibenzylzirconium dimethylsilanediylbis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)dimethylzirconium dimethylgermanediylbis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylgermanediylbis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)hafnium dichloride dimethylgermanediylbis-(2-propyl-4-(4'-tert-butylphenyl)indenyl)titanium dichloride dimethylgermanediylbis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride ethylidenebis-(2-ethyl-4-phenyl)indenyl)zirconium dichloride ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride ethylidenebis-(2-n-propyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride ethylidenebis-(2-n-butyl-4-(4'-tert-butylphenyl)indenyl)titanium dichloride ethylidenebis-(2-hexyl-4-(4'-tert-butylphenyl)indenyl)dibenzylzirconium ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)hafnium dibenzyl ethylidenebis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)titanium dibenzyl ethylidenebis-(2-methyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)hafnium dimethyl ethylidenebis-(2-n-propyl-4-a-phenyl)indenyl)titanium dimethyl ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium bis-(dimethylamide) ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)hafnium bis-(dimethylamide) ethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)titanium bis-(dimethylamide) methylethylidenebis-(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride methylethylidenebis- (2-ethyl-4-(4'-tert-butylphenyl)indenyl)hafnium dichloride phenylphosphinediyl(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride phenylphosphinediyl(2-methyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride phenylphosphinediyl(2-ethyl-4-(4'-tert-butylphenyl)indenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-5-azapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-6-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-6-azapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-thiapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-thiapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-thiapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-thiapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-thiapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-oxapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-oxapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-oxapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-oxapentalene)(2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-oxapentalene) (2-methyl-4-(4'-methylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-5-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-6-azapentalene) (2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-6-azapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-thiapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-thiapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-thiapentalene) (2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-thiapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-thiapentalene) (2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl (2-methyl-4-oxapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-oxapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-oxapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-oxapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-oxapentalene)(2-methyl-4-(4'-ethylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-5-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-N-phenyl-6-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-4-azapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-N-phenyl-6-azapentalene) (2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-thiapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-thiapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-thiapentalene)(2-methyl-4- (4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-thiapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-thiapentalene) (2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-oxapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-oxapentalene) (2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-oxapentalene)(2-methyl-4- (4'-n-propylphenyl; indenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-4-oxapentalene) (2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2,5-dimethyl-6-oxapentalene)(2-methyl-4-(4'-n-propylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-4-azapentalene)(2-methyl-4-(4'-isopropylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-5-azapentalene) (2-methyl-4-(4'-isopropylphenylindenyl)zirconium dichloride dimethylsilanediyl(2-methyl-6-azapentalene)(2-methyl-4-(4&apos

Katalysatorsystem gemäß Anspruch 10, dadurch gekennzeichnet, daß als Metallocen Dimethylsilandiylbis(indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(4-naphthyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-benzo-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-(1-naphthyl)-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-(2-naphthyl)-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-phenyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-t-butyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-isopropyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4-ethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4--acenaphth-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2,4-dimethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-ethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-ethyl-4-ethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-ethyl-4-phenyl-indenyl)zirkoniumdichlorid, Dimethylsilandiybis(2-methyl-4,5-benzo-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4,6 diisopropyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-4,5 diisopropyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2,4,6-trimethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2,5,6-trimethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2,4,7-trimethyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-5-isobutyl-indenyl)zirkoniumdichlorid, Dimethylsilandiylbis(2-methyl-5-t-butyl-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4-phenyl-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4,6 diisopropyl-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4-isopropyl-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4,5-benzo-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4,5-(methylbenzo)-indenyl)zirkoniumdi-chlorid, Methyl(phenyl)silandiylbis(2-methyl-4,5-(tetramethylbenzo)-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-4--acenaphth-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-indenyl)zirkoniumdichlorid, Methyl(phenyl)silandiylbis(2-methyl-5-isobutyl-indenyl)zirkoniumdichlorid, 1,2-Ethandiylbis(2-methyl-4-phenyl-indenyl)zirkoniumdichlorid, 1,4-Butandiylbis(2-methyl-4-phenyl-indenyl)zirkoniumdichlorid, 1,2-Ethandiylbis(2-methyl-4,6 diisopropyl-indenyl)zirkoniumdichlorid, 1,4-Butandiylbis(2-methyl-4-isopropyl-indenyl)zirkoniumdichlorid, 1,4-Butandiylbis(2-methyl-4,5-benzo-indenyl)zirkoniumdichlorid, 1,2-Ethandiylbis(2-methyl-4,5-benzo-indenyl)zirkoniumdichlorid, 1,2-Ethandiylbis(2,4,7-trimethyl-indenyl)zirkoniumdichlorid, 1,2-Ethandiylbis(2-methyl-indenyl)zirkoniumdichlorid, 1,4-Butandiylbis(2-methyl-indenyl)zirkoniumdichlorid, [4-(0 5 -Cyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalen)]-dichlorozirconium, [4-(0 5 -3'-Trimethylsilyl-cyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalen)]-dichlorozirconium, [4-(0 5 -3'-Isopropyl-cyclopentadienyl)-4,6,6-trimethyl-(0 5 -4,5-tetrahydropentalen)]-dichlorozirconium, [4-(0 5 -Cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitan, [4-(0 5 -Cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorozirkonium, [4-(0 5 -Cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorohafnium, [4-(0 5 -3=-tert.Butyl-cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitan, 4-(0 5 -3=-Isopropylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitan, 4-(0 5 -3=-Methylcyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitan, 4-(0 5 -3=-Trimethylsilyl-cyclopentadienyl)-2-trimethylsilyl-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorotitan, 4-(0 5 -3=-tert.Butyl-cyclopentadienyl)-4,7,7-trimethyl-(0 5 -4,5,6,7-tetrahydroindenyl)]-dichlorozirkonium, (Tertbutylamido)-(tetramethyl-0 5 -cyclopentadienyl)-dimethylsilyl-dichlorotitan, (Tertbutylamido)-(tetramethyl-0 5 -cyclopentadienyl)-1,2-ethandiyl-dichlorotitandichlorotitan, (Methylamido)-(tetramethyl-0 5 -cyclopentadienyl)-dimethylsilyl-dichlorotitan, (Methylamido)-(tetramethyl-0 5 -cyclopentadienyl)-1,2-ethandiyl-dichlorotitan, (Tertbutylamido)-(2,4-dimethyl-2,4-pentadien-1-yl)-dimethylsilyl-dichlorotitan, Bis-(cyclopentadienyl)-zirkoniumdichlorid, Bis-(n-butylcyclopentadienyl)-zirkoniumdichlorid, Bis-(1,3-dimethylcyclopentadienyl)-zirkoniumdichlorid, Tetrachloro-[1-[bis(0 5 -1H-inden-1-yliden)methylsilyl]-3-0 5 -cyclopenta-2,4-dien-1-yliden)-3-0 5 -9H-fluoren-9-yliden)butan]di-zirkonium, Tetrachloro-[2-[bis(0 5 -2-methyl-1H-inden-1-yliden)methoxysilyl]-5-(0 5 -2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yliden)-5-(0 5 -9H-fluoren-9-yliden)hexan]dizirkonium, Tetrachloro-[1-[bis(0 5 -1H-inden-1-yliden)methylsilyl]6-(0 5 -cyclopenta-2,4-dien-1-yliden)-6-(0 5 -9H-fluoren-9-yliden)-3-oxaheptan]di-zirkonium, Dimethylsilandiylbis(2-methyl-4-(4'-tert-butyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-methyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-ethyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-trifluormethyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-methoxy-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-tert-butyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-methyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-ethyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-trifluormethyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-methoxy-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-tert-butyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-methyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-ethyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-trifluormethyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-methoxy-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-tert-butyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-methyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-ethyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-trifluormethyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-methoxy-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-trimethylsilyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-trimethylsilyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-ethyl-4-(4'-trimethylsilyl-phenyl-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-trimethylsilyl-phenyl-indenyl)zirkoniumdimethyl Dimethylsilandiylbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)hafnuimdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)titandichlorid Dimethylsilandiylbis(2-methyl-4-(4'-methyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-n-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-n-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiytbis(2-methyl-4-(4'-hexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-sec-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-methyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-ethyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-n-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-n-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-hexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-pentyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-cyclohexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-sec-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-methyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-ethyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-iso-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-n-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-hexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-cyclohexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-sec-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-propyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-methyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-ethyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-n-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-iso-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-n-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-hexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-cyclohexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-sec-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-n-butyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-methyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-n-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-iso-propyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-n-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-hexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-cyclohexyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-sec-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-hexyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylsilandiylbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumbis(dimethylamid) Dimethylsilandiylbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdibenzyl Dimethylsilandiylbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdimethyl Dimethylgermandiylbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Dimethylgermandiylbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)hafniumdichlorid Dimethylgermandiylbis(2-propyl-4-(4'-tert.-butyl-phenyl)-indenyl)titandichlorid Dimethylgermandiylbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Ethylidenbis(2-ethyl-4-phenyl)-indenyl)zirkoniumdichlorid Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Ethylidenbis(2-n-propyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Ethylidenbis(2-n-butyl-4-(4'-tert.-butyl-phenyl)-indenyl)titandichlorid Ethylidenbis(2-hexyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdibenzyl Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)hafniumdibenzyl Ethylidenbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)titandibenzyl Ethylidenbis(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)hafniumdimethyl Ethylidenbis(2-n-propyl-4--phenyl)-indenyl)titandimethyl Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumbis(dimethylamid) Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)hafniumbis(dimethylamid) Ethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)titanbis(dimethylamid) Methylethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Methylethylidenbis(2-ethyl-4-(4'-tert.-butyl-phenyl )-indenyl)hafniumdichlorid Phenylphosphandiyl(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl)zirkoniumdichlorid Phenylphosphandiyl(2-methyl-4-(4'-tert.-butyl-phenyl)-indenyl) zirkoniumdichlorid Phenylphosphandiyl(2-ethyl-4-(4'-tert.-butyl-phenyl)-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-azapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-azapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-azapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-methylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-5-azapentalen)(2-methyl-4-(4'-methylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-methylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-azapentalen )(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-azapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-thiapentalen)(2-methyl-4-(4'-methylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-thiapentalen)(2-methyl-4-(4'-methylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-thiapentalen)(2-methyl-4-(4'-methylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-thiapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-thiapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-oxapentalen)(2-methyl-4-(4'-methylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-oxapentalen)(2-methyl-4-(4'-methylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-oxapentalen)(2-methyl-4-(4'-methylphenylindenyl )zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-oxapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-oxapentalen)(2-methyl-4-(4'-methylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-azapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-azapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-azapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-ethylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-5-azapentalen)(2-methyl-4-(4'-ethylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-ethylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-azapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-azapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-ethylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-ethylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-thiapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-thiapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-thiapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-thiapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-thiapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-oxapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-oxapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-oxapentalen)(2-methyl-4-(4'-ethylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-oxapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-oxapentalen)(2-methyl-4-(4'-ethylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-azapentalen)(2-methyl-4-(4'-n-propylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-azapentalen)(2-methyl-4-(4'-n-propylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-azapentalen)(2-methyl-4-(4'-n-propylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-5-azapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-azapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-azapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-npropylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-npropylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-thiapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-thiapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-thiapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-thiapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-thiapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-oxapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-oxapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-oxapentalen)(2-methyl-4-(4'-n-propylphenylindenyl)zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-oxapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-6-oxapentalen)(2-methyl-4-(4'-n-propylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-4-azapentalen)(2-methyl-4-(4'-isopropylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-5-azapentalen)(2-methyl-4-(4'-isopropylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-6-azapentalen)(2-methyl-4-(4'-isopropylphenyl-indenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-4-azapentalen)(2-methyl-4-(4'-isopropylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-5-azapentalen)(2-methyl-4-(4'-isopropylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2-methyl-N-phenyl-6-azapentalen)(2-methyl-4-(4'-isopropylphenylindenyl) zirkoniumdichlorid Dimethylsilandiyl(2,5-dimethyl-4-azapentalen)(2-methyl-4-(4'-isopropylphenylindenyl) zirkoniumdichlorid Dimethylsilan