The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2021
Filed:
Nov. 13, 2017
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Yasuo Horikawa, Tokyo, JP;
Olivier Tardif, Tokyo, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/10 (2006.01); B60C 1/00 (2006.01); C08F 236/20 (2006.01); C08F 236/06 (2006.01);
U.S. Cl.
CPC ...
C08F 236/10 (2013.01); B60C 1/00 (2013.01); C08F 236/06 (2013.01); C08F 236/20 (2013.01);
Abstract
Provide is a polymer that can provide excellent toughness and weather resistance to a rubber composition and a rubber product such as a tire. The multicomponent copolymer contains a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit, where a proportion of conjugated diene units bonded to a unit other than a conjugated diene unit out of the total conjugated diene units is 50% or more.