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:
Jul. 09, 2024
Filed:
Aug. 16, 2019
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventor:
Hiroshi Ito, Hyogo, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 9/06 (2006.01); B60C 1/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/0016 (2013.01); C08L 2201/08 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01); C08L 2207/324 (2013.01);
Abstract
Provided are a tread rubber composition and a pneumatic tire, which exhibit excellent wet grip performance when thermally damaged. A tread rubber composition having acetone extractable contents before and after heat aging (denoted by 'AEf' and “AEo”, respectively) that satisfy the following relationships 1) and 2):