Title:
ORGANOCHROMIUM/ METALLOCENE COMBINATION CATALYST FOR PRODUCING BIMODAL RESINS
Document Type and Number:
WIPO Patent Application WO2006052232
Kind Code:
A9
Abstract:
This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst comprising the contact product of at least one metallocene compound, at least one organochromium compound, at least one chemically-treated solid oxide, and at least one organoaluminium compound.
Inventors:
MCDANIEL MAX P (US)
BENHAM ELIZABETH A (US)
JENSEN MICHAEL D (US)
COLLINS KATHY S (US)
MARTIN JOEL L (US)
HAWLEY GIL R (US)
BENHAM ELIZABETH A (US)
JENSEN MICHAEL D (US)
COLLINS KATHY S (US)
MARTIN JOEL L (US)
HAWLEY GIL R (US)
Application Number:
PCT/US2004/036650
Publication Date:
February 07, 2008
Filing Date:
November 04, 2004
Export Citation:
Assignee:
CHEVRON PHILLIPS CHEMICAL CO (US)
MCDANIEL MAX P (US)
BENHAM ELIZABETH A (US)
JENSEN MICHAEL D (US)
COLLINS KATHY S (US)
MARTIN JOEL L (US)
HAWLEY GIL R (US)
MCDANIEL MAX P (US)
BENHAM ELIZABETH A (US)
JENSEN MICHAEL D (US)
COLLINS KATHY S (US)
MARTIN JOEL L (US)
HAWLEY GIL R (US)
International Classes:
C08F10/02; C08F4/02; C08F4/642; C08F4/69
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