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Patent Searching and Data


Title:
COPOLYMER, RUBBER COMPOSITION, CROSS-LINKED RUBBER COMPOSITION, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2012/014459
Kind Code:
A1
Abstract:
Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin characterized in that the copolymer is a tapered copolymer having: a block moiety comprising the monomeric unit of the conjugated diene compound and/or a block moiety comprising the monomeric unit of the non-conjugated olefin; and a random moiety in which the monomeric units of the conjugated diene compound and the non-conjugated olefin are irregularly arranged.

Inventors:
HORIKAWA YASUO (JP)
KAITA SHOJIRO (JP)
TARDIF OLIVIER (JP)
MATSUSHITA JUNKO (JP)
Application Number:
PCT/JP2011/004229
Publication Date:
February 02, 2012
Filing Date:
July 26, 2011
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
HORIKAWA YASUO (JP)
KAITA SHOJIRO (JP)
TARDIF OLIVIER (JP)
MATSUSHITA JUNKO (JP)
International Classes:
C08F236/04; C08F210/00; C08K3/00; C08L9/00
Domestic Patent References:
WO2008146643A12008-12-04
Foreign References:
JPH09291121A1997-11-11
JPH11130828A1999-05-18
JP2000256423A2000-09-19
JP2002322224A2002-11-08
JP2008280384A2008-11-20
JP2000154210A2000-06-06
JP2006249442A2006-09-21
JP2006503141A2006-01-26
JPH11228743A1999-08-24
JP2000086857A2000-03-28
Other References:
POLYMER PREPRINTS, JAPAN, vol. 42, no. 4, pages 1347
See also references of EP 2599804A4
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
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Claims: