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:
Apr. 19, 2022
Filed:
May. 22, 2020
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventor:
Madoka Kimura, Tokyo, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 36/08 (2006.01); C08L 9/00 (2006.01); C08L 47/00 (2006.01);
U.S. Cl.
CPC ...
C08L 47/00 (2013.01); C08F 36/08 (2013.01); C08L 9/00 (2013.01); C08L 2205/025 (2013.01); C08L 2207/04 (2013.01);
Abstract
Provided are a rubber composition for tires having excellent low fuel consumption and having crack resistance and tear resistance, which contains a rubber component (A) containing a synthetic isoprene having a weight-average molecular weight (Mw) of 800,000 or more, a molecular weight distribution (Mw/Mn) of 2.5 or less, and a cis-1,4-bond content of 96% or more, a carbon black (B), and a specific carbon black dispersant (C); and a tire using the rubber composition.