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:
Dec. 30, 2025
Filed:
Sep. 11, 2020
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/73 (2006.01); B60C 1/00 (2006.01); C08G 18/24 (2006.01); C08G 18/32 (2006.01); C08G 18/65 (2006.01); C08G 18/69 (2006.01); C08G 81/02 (2006.01);
U.S. Cl.
CPC ...
C08G 81/024 (2013.01); B60C 1/00 (2013.01); C08G 18/246 (2013.01); C08G 18/3206 (2013.01); C08G 18/6588 (2013.01); C08G 18/69 (2013.01); C08G 18/73 (2013.01);
Abstract
The present invention provides: a rubber composition having a good low heat generation property and is excellent in high elastic modulus and fracture resistance, and a tire using the rubber composition. The rubber composition contains a rubber component that contains a diene rubber, and the diene rubber contains a polymer (A) of a copolymer that has, in one molecule, a block moiety containing a urethane backbone segment and a block moiety containing a diene backbone segment.