US Patent No: 7,342,070

Number of patents in Portfolio can not be more than 2000

Conjugated diolefin (co)polymer rubber, process for producing (co)polymer rubber, rubber composition, composite, and tire

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ALSO PUBLISHED AS: 20040254301
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Importance

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Abstract

Disclosed are a conjugated diolefin (co) polymer rubber formed from either a conjugated diolefin or a conjugated diolefin and an aromatic vinyl compound, wherein the (co) polymer rubber has a primary amino group and an alkoxysilyl group which are bonded to a (co) polymer chain; a process for producing the same; a rubber composition; a composite; and a tire. The (co) polymer rubber has satisfactory processability, and can give an automotive tire tread having a balance among wear resistance, failure characteristics, low hysteresis loss and wet-skid characteristics.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
JSR CORPORATIONTOKYO818

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Naokazu Mie, JP 18 63
Tadaki, Toshihiro Mie, JP 60 183
Taniguchi, Kouta Mie, JP 5 33
Toyoshima, Tsukasa Mie, JP 9 61
Tsukimawashi, Keisuke Mie, JP 4 26

Cited Art

Patent Info (Count) # Cites Year
 
BRIDGESTONE CORPORATION (1)
5,508,333 Diene polymers and copolymers having an alkoxysilane group 57 1994
 
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (1)
5,821,290 Silylated rubber diene polymer containing organosilane 21 1996
 
JSR CORPORATION (1)
6,362,272 Oil extended rubber and rubber composition 6 1999
 
NIPPON ZEON CO., LTD. (1)
6,111,045 Diene rubber, process for preparing same, and composition containing same 25 1998
 
THE GOODYEAR TIRE & RUBBER COMPANY (1)
5,652,310 Rubbers having improved interaction with silica 18 1996

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
BRIDGESTONE CORPORATION (10)
7,767,774 Silyl-diamine initiators for anionic polymerization of 1,3-butadiene and styrene, and rubber compositions 0 2005
8,063,153 Functionalized polymer with linking group 0 2005
7,504,457 Functionalized polymers and improved tires therefrom 2 2006
8,039,545 Functionalized polymers 0 2008
8,188,195 Polymers functionalized with nitroso compounds 0 2008
8,058,357 Vulcanizable compositions and tire treads prepared therewith 0 2008
7,879,945 Functionalized polymers and improved tires therefrom 0 2009
8,338,544 Polymers functionalized with polyoxime compounds and methods for their manufacture 0 2009
8,344,066 Polymers functionalized with nitrile compounds containing a protected amino group 0 2010
8,426,609 Polymers functionalized with imide compounds containing a protected amino group 0 2011
 
SUMITOMO CHEMICAL COMPANY, LIMITED (4)
8,071,682 Method for producing conjugated diene polymer, conjugated diene polymer, and polymer composition 2 2008
8,304,488 Conjugated diene polymer, conjugated diene polymer composition, and method for producing conjugated diene polymer 0 2011
8,367,765 Conjugated diene-based polymer, conjugated diene-based polymer composition, and process for producing conjugated diene-based polymer 0 2011
8,334,339 Conjugated diene-based polymer, conjugated diene-based polymer composition, and process for producing conjugated diene-based polymer 0 2011
 
CHI MEI CORPORATION (2)
8,367,775 Modified conjugated diene-vinyl aromatic copolymer and method for manufacturing the same 0 2011
8,362,152 Modified conjugated diene-vinyl aromatic copolymer and method for manufacturing the same 0 2011
 
THE GOODYEAR TIRE & RUBBER COMPANY (2)
7,825,202 Potassium based catalyst systems for synthesizing rubbery polymers 0 2008
8,302,643 Pneumatic tire having tread with zoned cap layer 0 2010
 
ASAHI KASEI CHEMICALS CORPORATION (1)
8,106,130 Modified conjugated diene polymer and process for producing thereof 0 2007
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
8,362,126 -1,4-polybutadiene prepared using novel functionalizing agents 0 2009
8,440,755 Method of making hydroxyaryl-functionalized interpolymer 0 2010

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