Olefin polymerization catalyst and process for producing...

Details Olefin polymerization catalyst and process for producing... Olefin polymerization catalyst and process for producing...

2005-05-24

2005-05-24

Harlan, Robert D. (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

C502S167000, C502S226000, C526S172000

Reexamination Certificate

active

06897176

ABSTRACT:
A novel olefin polymerization catalyst is provided which comprises (A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium; and (B) a Lewis acid. A process for producing an olefin polymer is also provided. The catalyst has a high olefin polymerization activity without a combined use of an expensive organoaluminum oxy-compound or organoboron compound, and can maintain the high activity for a long polymerization time.

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