“Constrained geometry” metallocenes, method...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Reexamination Certificate

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Details

C556S012000, C556S028000, C556S043000, C556S045000, C556S053000, C556S058000, C556S136000, C556S140000, C526S127000, C526S160000, C526S943000, C502S103000, C502S117000, C502S119000

Reexamination Certificate

active

07049453

ABSTRACT:
The present invention relates to a process for preparing specific transition metal compounds, novel transition metal compounds and also catalyst systems and their use for the homo- or copolymerization of olefins.

REFERENCES:
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patent: 0824113 (1998-02-01), None
patent: 0924223 (1999-06-01), None
patent: WO 94/28034 (1994-12-01), None
patent: WO 97/11775 (1997-04-01), None
patent: WO 98/27103 (1998-06-01), None
patent: WO 99/40129 (1999-08-01), None

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