Metallocene compound

Details Metallocene compound Metallocene compound

1994-12-22

1996-07-02

Nagumo, Mark

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 53, 556 28, 556 43, 556 58, 502103, 502117, 502152, 526160, 526127, 526150, C08F 4642, C07F 1700

Patent

active

055323960

ABSTRACT:
The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization.

REFERENCES:
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patent: 5243001 (1993-09-01), Winter et al.
patent: 5328969 (1994-07-01), Winter et al.
patent: 5329031 (1994-07-01), Miyake et al.
patent: 5329033 (1994-07-01), Spaleck et al.
patent: 5374752 (1994-12-01), Winter et al.
J. A. Ewen et al., "Crystal Structures and Stereospecific Propylene Polymerizations with Chiral Hafnium Metallocene Catalysts" J. Am. Chem. Soc. 109 (1987) pp. 6544-6545.
H. H. Brintzinger et al., "Stereo- und Regioselektivitat von chiralen, alkylsubstituierten ansa- Zirconocen-Katalysatoren bei der Methylalumonxan-aktivierten Propen-Polymerisation" Angew. Chem. 102 (1990) pp. 339-341.
Ewen et al, "Syndiospecific Propylene Polymerizations with Group 4 Metallocenes" J. Am. Chem. Soc. 110 (1988) pp. 6255-6258.

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