Invention Grant
- Patent Title: Copolymer, rubber composition, crosslinked rubber composition, and tire
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Application No.: US13813265Application Date: 2011-07-26
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Publication No.: US09670302B2Publication Date: 2017-06-06
- Inventor: Yasuo Horikawa , Shojiro Kaita , Olivier Tardif , Junko Matsushita
- Applicant: Yasuo Horikawa , Shojiro Kaita , Olivier Tardif , Junko Matsushita
- Applicant Address: JP Tokyo
- Assignee: BRIDGESTONE CORPORATION
- Current Assignee: BRIDGESTONE CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2010-173157 20100730; JP2011-023407 20110204
- International Application: PCT/JP2011/004229 WO 20110726
- International Announcement: WO2012/014459 WO 20120202
- Main IPC: C08F299/00
- IPC: C08F299/00 ; B60C1/00 ; C08F236/04 ; C08F236/06 ; C08K3/00
Abstract:
Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin, the copolymer being a tapered copolymer including: at least one of a block sequence including monomer units of the conjugated diene compound and a block sequence including monomer units of the non-conjugated olefin; and a random sequence including randomly arranged monomer units of the conjugated diene compound and monomer units of the non-conjugated olefin.
Public/Granted literature
- US20130184402A1 COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND TIRE Public/Granted day:2013-07-18
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