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:
Jan. 21, 2025
Filed:
Aug. 20, 2020
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); C08F 236/08 (2006.01); C08K 3/04 (2006.01); C08L 7/00 (2006.01); C08L 9/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/00 (2013.01); B60C 1/0016 (2013.01); C08F 236/08 (2013.01); C08K 3/04 (2013.01); C08L 7/00 (2013.01); C08L 2205/02 (2013.01);
Abstract
Provided is rubber composition that can improve wear resistance and cutting resistance while having good fuel efficiency when applied to a tire. The rubber composition contains a rubber component containing natural rubber and/or synthetic isoprene rubber, and syndiotactic 1,2-polybutadiene, where the syndiotactic 1,2-polybutadiene has a crystal content of 7 J/g to 40 J/g and a number-average molecular weight of 6.5×10or more.