Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

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United States of America Patent

PATENT NO 8198374
APP PUB NO 20110124818A1
SERIAL NO

12962822

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Abstract

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A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining:

    (A) a first metal complex olefin polymerization catalyst,(B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and(C) a chain shuttling agent.

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Patent Owner(s)

Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES LLCMIDLAND MI 48674

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arriola, Daniel J Midland, US 47 914
Carnahan, Edmund M Fresno, US 69 1840
Cheung, Yunwa Wilson Lake Jackson, US 23 991
Devore, David D Midland, US 106 1996
Graf, David D Midland, US 13 428
Hustad, Phillip D Manvel, US 102 2293
Kuhlman, Roger L Charleston, US 102 1574
Poon, Benjamin C Lake Jackson, US 25 1640
Roof, Gordon R Midland, US 32 1091
Shan, Colin Li Pi Pearland, US 20 688
Stevens, James C Richmond, US 134 7583
Stirn, Pamela J Midland, US 8 371
Wenzel, Timothy T Charleston, US 57 1270

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