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Patent Searching and Data


Title:
POLYISOBUTYLENE/POLYOLEFIN COPOLYMER AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/048427
Kind Code:
A1
Abstract:
A copolymer comprising a polyisobutylene-graft-polyolefin and/or a polyisobutylene-block-polyolefin; an efficient process for producing the copolymer; and a composition containing the copolymer. The copolymer is efficiently obtained by cationically polymerizing one or more monomers consisting mainly of isobutylene in the presence of a polyolefin macromonomer terminated by vinylidene.

Inventors:
FUKUI YOSHIFUMI (JP)
Application Number:
PCT/JP2003/014568
Publication Date:
June 10, 2004
Filing Date:
November 14, 2003
Export Citation:
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Assignee:
KANEKA CORP (JP)
FUKUI YOSHIFUMI (JP)
International Classes:
C08L23/00; C08F255/00; C08F290/04; C08F297/00; C08L51/06; C08L53/00; C08L55/00; (IPC1-7): C08F290/04
Domestic Patent References:
WO2003020779A12003-03-13
Foreign References:
EP0864593A11998-09-16
US9786116B
Attorney, Agent or Firm:
KANEKA CORPORATION (Kita-ku Osaka, Osaka, JP)
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