Bridged metallocene compounds as olefin-polymerization...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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Details

C526S943000, C526S348000, C502S103000, C502S152000, C556S051000, C556S052000, C556S053000

Reexamination Certificate

active

06984703

ABSTRACT:
The present invention relates to metallocene compounds consisting of indenyl-cyclopentadienyl groups non-symmetrically joined by a bivalent radical. Said compounds can be conveniently used as components of catalysts for the polymerization of olefins.

REFERENCES:
patent: 5504172 (1996-04-01), Imuta et al.
patent: 0 672 675 (1995-09-01), None
patent: WO 94/11406 (1994-05-01), None
patent: WO 96/38458 (1996-12-01), None

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