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:
May. 20, 2025
Filed:
Feb. 26, 2020
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventors:
Shuichiro Ono, Kobe, JP;
Fumiya Kato, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01); B60C 1/00 (2006.01); B60C 11/00 (2006.01); C08F 136/08 (2006.01); C08L 9/06 (2006.01); C08L 45/02 (2006.01); C08L 47/00 (2006.01);
U.S. Cl.
CPC ...
B60C 1/0016 (2013.01); B60C 11/0008 (2013.01); B60C 11/03 (2013.01); C08F 136/08 (2013.01); C08L 9/06 (2013.01); C08L 45/02 (2013.01); C08L 47/00 (2013.01); B60C 2011/0025 (2013.01); B60C 2011/0033 (2013.01); B60C 2011/0353 (2013.01); B60C 2011/0355 (2013.01); C08L 2205/03 (2013.01);
Abstract
The present invention aims to provide tire rubber composition with significantly improved overall performance in terms of wet grip performance and fuel economy, and pneumatic tires including the rubber compositions. The tire rubber compositions of the present invention have a tan δ versus temperature curve whose peak tan δ and half width satisfy the following relationship (1):Peak tan δ/Half width≥0.025 (1).