Metallocenes, process for their preparation and their use as catalysts

Claim 2

A catalyst comprising the combination comprising a cocatalyst combined with at least one polynuclear metallocene compound of the formula I ##STR15## where M 1 are identical or different and are a metal of group IVb, Vb or VIb of the Periodic Table, X are identical or different and are hydrogen, a C 1 -C 10 -alkyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryl group, a C 6 -C 10 -aryloxy group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -aryl-alkenyl group, a OH group, a halogen atom or psuedohalogen, L and L' are identical or different and are π ligand or another electron donor, k is 2 if B 1 is ##STR16## and k is an integer >1 if B 1 is ##STR17## where R 1 are identical or different and are a divalent hydrocarbon-containing bridge structure, the radicals R 2 are identical or different and are a hydrogen atom, a halogen atom or a hydrocarbon-containing radical, R 3 is trivalent hydrocarbon-containing radical, and n is k and m is k-1 and M 2 is silicon, germanium or tin.

Claim 3

The catalyst as claimed in claim 1, wherein the compound of formula I is selected from the group consisting of:

Claim 4

6-bis methylsilyl(fluorenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(indenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(fluorenyl)(3-methylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(indenyl)(3-methylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(4-phenylindenyl)(cyclopentadienyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane. 1,6-bis methylsilyl-(fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(indenyl)(3-phenylcyclopentadienyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!hexane,

Claim 5

6-bis methylsilyl(fluorenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(indenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(fluorenyl)(3-methylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl(indenyl)(3-methylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(4-phenylindenyl)(cyclopentadienyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane. 1,6-bis methylsilyl-(fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(indenyl)(3-phenylcyclopentadienyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!hexane,

Claim 6

6-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,2-bis methylsilyl-(fluorenyl)(cyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-methylcyclopenta-dienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-methylcyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methylindenyl)(cyclopentadienyl)-zirconium dichloride!ethane,

Claim 7

6-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!hexane, 1,2-bis methylsilyl-(fluorenyl)(cyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-methylcyclopenta-dienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-methylcyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methylindenyl)(cyclopentadienyl)-zirconium dichloride!ethane,

Claim 8

2-bis methylsilyl-(2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(4-phenylindenyl)(cyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-phenylcyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)-(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!-ethane, 1,2-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!-ethane,

Claim 9

2-bis methylsilyl-(2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(4-phenylindenyl)(cyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(indenyl)(3-phenylcyclopentadienyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)-(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)-(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!-ethane, 1,2-bis methylsilyl-(2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!-ethane,

Claim 10

2-bis methylsilyl-(2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-methyl-cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-methyl-cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2,7-di-tert-butyl-fluorenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenyl-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-phenylcyclopentadienyl)zirconium dichloride!,

Claim 11

2-bis methylsilyl-(2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!ethane, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-methyl-cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-methyl-cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2,7-di-tert-butyl-fluorenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenyl-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (indenyl)(3-phenylcyclopentadienyl)zirconium dichloride!,

Claim 12

4-disilacyclohexane-1,4-diylidene (2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-(1-napthylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,5-benzo-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,6-diiso-propylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-ethyl-4-phenyl-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (indenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(3-methylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (indenyl)(3-methylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!,

Claim 13

4-disilacyclohexane-1,4-diylidene (2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-(1-napthylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,5-benzo-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4,6-diiso-propylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-ethyl-4-phenyl-indenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (indenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(3-methylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (indenyl)(3-methylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (fluorenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene- (indenyl)(3-isopropylcyclopentadienyl)zirconium dichloride!,

Claim 14

10-dihydro-9,10-disilaanthracene-9,10-diylidene (2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (indenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)-zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-(1-naphthylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!,

Claim 15

10-dihydro-9,10-disilaanthracene-9,10-diylidene (2,7-di-tert-butylfluorenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (fluorenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (indenyl)(3-phenylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,5-benzoindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,6-diisopropylindenyl)(cyclopentadienyl)-zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-(1-naphthylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-ethyl-4-phenylindenyl)(cyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,5-benzoindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4,6-diisopropylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-(1-naphthylindenyl)(2,3,5-trimethylcyclopentadienyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-ethyl-4-phenylindenyl)(2,3,5-trimethylcyclopentadienyl)-zirconium dichloride!,

Claim 16

6-bis methylsilyl-bis(indenyl)zirconium dichloride! hexane, 1,6-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!hexane, 1,2-bis methylsilyl-bis(indenylzirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!ethane,

Claim 17

6-bis methylsilyl-bis(indenyl)zirconium dichloride! hexane, 1,6-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!hexane, 1,2-bis methylsilyl-bis(indenylzirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!ethane,

Claim 18

2-bis ethylsilyl-bis(indenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-phenylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4,5-benzoindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!ethane, 1,6-bis ethylsilyl-bis(indenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-isopropylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-α-acenaphthindenyl)zirconium dichloride!hexane,

Claim 19

2-bis ethylsilyl-bis(indenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-phenylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4,5-benzoindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4-isopropylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)-zirconium dichloride!ethane, 1,2-bis ethylsilyl-bis(2-ethyl-α-acenaphthindenyl)-zirconium dichloride!ethane, 1,6-bis ethylsilyl-bis(indenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4-isopropylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!hexane, 1,6-bis ethylsilyl-bis(2-ethyl-α-acenaphthindenyl)zirconium dichloride!hexane,

Claim 20

3-bis methylsilyl-bis(indenyl)zirconium dichloride!-propane, 1,3-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)zirconium dichloride!propane, 1,4-disilacyclohexane-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-ethylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!,

Claim 21

3-bis methylsilyl-bis(indenyl)zirconium dichloride!-propane, 1,3-bis methylsilyl-bis(2-methylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-phenylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-(1-naphthyl)indenyl)-zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4-isopropylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-methyl-4,6-diisopropylindenyl)-zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-4-phenylindenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!propane, 1,3-bis methylsilyl-bis(2-ethyl-α-acenaphthindenyl)zirconium dichloride!propane, 1,4-disilacyclohexane-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-ethylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!,

Claim 22

4-disilacyclohexane-1,4-diylidene bis(2-ethyl-4-phenyl-indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(indenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-ethylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!,

Claim 23

4-disilacyclohexane-1,4-diylidene bis(2-ethyl-4-phenyl-indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(indenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-ethylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!,

Claim 24

4-dihydro-1,4-disilabenzene-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-ethyl-indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-ethylindenyl)zirconium dichloride!,

Claim 25

4-dihydro-1,4-disilabenzene-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-ethyl-indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-ethylindenyl)zirconium dichloride!,

Claim 26

4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!hexane,

Claim 27

4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disila-2,3,5,6-tetraphenylbenzene-1,4-diylidene bis(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!hexane,

Claim 28

6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!hexane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!ethane,

Claim 29

6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-indenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!hexane, 1,6-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!hexane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(indenyl)-zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-ethyl-4-(1-naphthyl)indenyl)zirconium dichloride!ethane, 1,2-bis methylsilyl-(2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!ethane,

Claim 30

4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-.alpha.-methylacenaphthindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2- methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!,

Claim 31

4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl(2-ethyl-4-phenylindenyl)zirconium dichloride!, 1,4-disilacyclohexane-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-.alpha.-methylacenaphthindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2- methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!,

Claim 32

10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride! and 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!.

Claim 33

10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride!, 9,10-dihydro-9,10-disilaanthracene-9,10-diylidene (2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(indenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-(1-naphthylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4-isopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,6-diisopropylindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-4,5-benzoindenyl)zirconium dichloride!, 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-ethyl-4-phenylindenyl)zirconium dichloride! and 1,4-dihydro-1,4-disilabenzene-1,4-diylidene (2-methyl-4-phenylindenyl)(2-methyl-α-acenaphthindenyl)zirconium dichloride!.

Claim 34

The catalyst as claimed in claim 1, wherein said co-catalyst is an aluminum compound, a boron compound or a mixture thereof.

Claim 35

The catalyst as claimed in claim 3, wherein said cocatalyst is a boron compound of the formula R 16 x NH 4-x BR 17 4 , R 16 x PH 4-x BR 17 4 , R 16 3 CBR 17 4 or BR 17 3 where x is a number of from 1 to 4, the radicals R 16 are identical or different and are a C 1 -C 10 -alkyl or C 6 -C 18 -aryl, or two radicals R 16 together with the atoms connecting them form a ring and the radicals R 17 are identical or different and are C 6 -C 18 -aryl which is optionally substituted by alkyl, haloalkyl or fluorine.

Claim 36

The catalyst as claimed in claim 4, wherein x is 3 or R 16 is identical to R 17 .

Claim 37

The catalyst as claimed in claim 5, wherein all R 16 's are identical and are ethyl, propyl, butyl or phenyl and all R 17 's are identical and are phenyl, pentafluorophenyl, 3,5-bistrifluoromethylphenyl, mesityl, xylyl or tolyl.

Claim 38

The catalyst as claimed in claim 3, wherein said cocatalyst is aluminoxane of the formula IIIa for the linear type and/or of the formula IIIb for the cyclic type, ##STR18## where in the formulae IIIa and IIIb, the radicals R 18 can be identical or different and are a C 1 -C 6 -alkyl group, a C 6 -C 18 -aryl group, benzyl or hydrogen, and p is an integer from 2 to 50.

Claim 39

The catalyst as claimed in claim 7, wherein the radicals R 18 are identical and are methyl, isobutyl, phenyl or benzyl and p is an integer from 10 to 35.

Claim 40

The catalyst as claimed in claim 8, wherein the radicals R 18 are methyl.

Claim 41

The catalyst as claimed in claim 1, wherein R 1 is identical or different and is 1,2-ethylene, 1,3-propylene, 1,4-butylene or 1,6-hexylene.

Claim 42

The catalyst as claimed in claim 1, further comprising that said catalyst is supported and/or prepolymerized.

Claim 43

The catalyst as claimed in claim 1, wherein k is 2 and B 1 is ##STR19## M 21 is germanium or tin.

Claim 44

The catalyst as claimed in claim 12, wherein B 1 is ##STR20## M 21 is germanium or tin.

Claim 45

The catalyst as claimed in claim 9, wherein k is 2 and B 1 is ##STR21## M 21 is germanium or tin.

Claim 46

The catalyst as claimed in claim 14, wherein B 1 is ##STR22## M 21 is germanium or tin.

Claim 47

The catalyst as claimed in claim 1, wherein k is an integer greater than 2 and up to 100,000.

Claim 48

The catalyst as claimed in claim 1, wherein k is an integer from 2 to 20 and B 1 is ##STR23## M 21 is germanium or tin.

Claim 49

The catalyst as claimed in claim 15, wherein k is an integer from 2 to 20 and B 1 is ##STR24## 21 is germanium or tin.

Claim 50

The catalyst as claimed in claim 1, wherein k is 2 and B 1 is ##STR25## where M 21 is germanium or tin, M 2 is silicon, R 1 are identical or different and are a divalent linear or branched C 1 -C 6 -alkyl group and the radicals R 2 are identical or different and are a hydrogen or C 1 -C 4 alkyl group or C 6 -C 10 aryl group.

Claim 51

The catalyst as claimed in claim 17, wherein k is 2 and B 1 is ##STR26## where M 21 is germanium or tin, M 2 is silicon, R 1 are identical or different and are a divalent linear or branched C 1 -C 6 -alkyl group and the radicals R 2 are identical or different and are a hydrogen or C 1 -C 4 alkyl group or C 6 -C 10 aryl group.

Claim 52

A catalyst which comprises at least one polynuclear metallocene and at least one cocatalyst, wherein the polynuclear metallocene is of the formula II ##STR27## where M 1 are identical or different and are a metal of group IVb, Vb or VIb of the Periodic Table, X are identical or different and are hydrogen, a C 1 -C 10 -alkyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryl group, a C 6 -C 10 -aryloxy group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, an OH group, a halogen atom or pseudo-halogen, the radicals R 5 , R 6 , R 7 and R 8 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 20 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 2 -C 10 -alkenyl group, a C 8 -C 40 -arylalkenyl group, a --NR 15 2 , --SR 15 , --OSiR 15 3 , --SiR 15 3 or --PR 15 2 radical, where R 15 is identical or different and is a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more adjacent radicals, R 5 , R 6 , R 7 and R 8 together with the atoms connecting them form a ring system, R 9 to R 14 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 20 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 2 -C 10 -alkenyl group, a C 8 -C 40 -arylalkenyl group, a --NR 15 2 , --SR 15 , --OSiR 15 3 , --SiR 15 3 or --PR 15 2 radical, where R 15 is identical or different and is a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more adjacent radicals R 9 , R 10 , R 11 , R 12 , R 13 and R 14 together with the atoms connecting them form a ring system, k is 2, if B 1 is ##STR28## and k is an integer >2 if B 1 is ##STR29## where R 1 are identical or different and are a divalent hydrocarbon-containing C 1 -C 40 bridge structure, the radicals R 2 are identical or different and are a hydrogen atom, a halogen atom or a hydrocarbon-containing C 1 -C 40 radical, R 3 is a trivalent hydrocarbon-containing C 1 -C 40 radical, and n is k and m is k-1 and M 2 is silicon, germanium or tin.

Claim 53

A catalyst which comprises at least one polynuclear metallocene and at least one cocatalyst, wherein the polynuclear metallocene is of the formula II ##STR27## where M 1 are identical or different and are a metal of group IVb, Vb or VIb of the Periodic Table, X are identical or different and are hydrogen, a C 1 -C 10 -alkyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryl group, a C 6 -C 10 -aryloxy group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, an OH group, a halogen atom or pseudo-halogen, the radicals R 5 , R 6 , R 7 and R 8 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 20 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 2 -C 10 -alkenyl group, a C 8 -C 40 -arylalkenyl group, a --NR 15 2 , --SR 15 , --OSiR 15 3 , --SiR 15 3 or --PR 15 2 radical, where R 15 is identical or different and is a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more adjacent radicals, R 5 , R 6 , R 7 and R 8 together with the atoms connecting them form a ring system, R 9 to R 14 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 20 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 2 -C 10 -alkenyl group, a C 8 -C 40 -arylalkenyl group, a --NR 15 2 , --SR 15 , --OSiR 15 3 , --SiR 15 3 or --PR 15 2 radical, where R 15 is identical or different and is a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more adjacent radicals R 9 , R 10 , R 11 , R 12 , R 13 and R 14 together with the atoms connecting them form a ring system, k is 2, if B 1 is ##STR28## and k is an integer >2 if B 1 is ##STR29## where R 1 are identical or different and are a divalent hydrocarbon-containing C 1 -C 40 bridge structure, the radicals R 2 are identical or different and are a hydrogen atom, a halogen atom or a hydrocarbon-containing C 1 -C 40 radical, R 3 is a trivalent hydrocarbon-containing C 1 -C 40 radical, and n is k and m is k-1 and M 2 is silicon, germanium or tin.