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:
Aug. 26, 2025
Filed:
Dec. 21, 2020
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventors:
Rie Yasuda, Hyogo, JP;
Ryoji Matsui, Hyogo, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/22 (2006.01); B60C 1/00 (2006.01); C08C 19/12 (2006.01); C08K 3/04 (2006.01); C08K 3/06 (2006.01); C08K 3/36 (2006.01); C08K 9/04 (2006.01);
U.S. Cl.
CPC ...
C08C 19/22 (2013.01); B60C 1/0016 (2013.01); C08C 19/12 (2013.01); C08K 3/04 (2013.01); C08K 3/06 (2013.01); C08K 3/36 (2013.01); C08K 9/04 (2013.01);
Abstract
Provided are a rubber composition which provides a self-healing rubber with improved strength and wet grip performance, and a pneumatic tire including the rubber composition. The present disclosure relates to a rubber composition containing a rubber component having a functional group containing a cationic functional group and/or an anionic functional group, a filler capable of generating a charge paired with the functional group, and sulfur.