Olefin polymerization catalyst, catalyst component for...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

Reexamination Certificate

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Details

C502S103000, C502S152000, C502S158000, C526S128000, C526S133000, C526S134000, C526S160000, C526S943000

Reexamination Certificate

active

07005398

ABSTRACT:
A catalyst is used which comprises a cocatalyst component wherein a non-coordinating ion-containing compound is chemically bonded to a fine particulate carrier, together with a metallocene compound and a specific hydrocarbon. There are provided an olefin polymerization catalyst which produces olefin polymers containing few solvent-soluble components without a wider molecular weight distribution, and which exhibits no significant reduction in activity even after storage, as well as olefin polymerization catalyst components and a method for their storage, and a process for production of propylene polymers using them.

REFERENCES:
patent: 5427991 (1995-06-01), Turner
patent: 277004 (1988-01-01), None
patent: 710663 (1995-10-01), None
patent: 0 798 315 (1997-10-01), None
patent: 924226 (1999-06-01), None
patent: 2000-212225 (2000-08-01), None
patent: WO 96/34020 (1996-10-01), None
patent: WO 96/41808 (1996-12-01), None

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