Supported polymerization catalyst using a catalyst precursor...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

Reexamination Certificate

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Details

C502S155000, C502S167000, C526S127000, C526S129000, C526S161000, C526S171000, C526S943000

Reexamination Certificate

active

06908877

ABSTRACT:
Support within the disclosure of the present application can only be found for the treatment of the dehydrated silica catalyst carrier with a silazane compound and not with a silane compound. The search has therefore been restricted to silazane treated silica supports

REFERENCES:
patent: 4524141 (1985-06-01), Pullukat et al.
patent: WO 00/71587 (2000-11-01), None
patent: WO 00/78827 (2000-12-01), None

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