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:
Feb. 26, 2019
Filed:
Feb. 21, 2013
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Michio Hirayama, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/06 (2006.01); C08L 9/00 (2006.01); C08L 15/00 (2006.01); B60C 1/00 (2006.01); C08C 19/44 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/0016 (2013.01); C08C 19/44 (2013.01); C08K 3/36 (2013.01); C08L 9/00 (2013.01); C08L 15/00 (2013.01); C08K 2201/006 (2013.01); C08L 2205/02 (2013.01); Y02T 10/862 (2013.01);
Abstract
A rubber composition for tires which enables a balanced improvement in rolling resistance, abrasion resistance, and wet-skid performance which contains a rubber blend, including a diene rubber A modified with a specific acrylamide compound, and a diene rubber B modified with either a combination of a specific silicon or tin compound and a specific modifying compound or with the modifying compound, the combined rubbers A and B having a weight average molecular weight of 300,000 to 1,400,000; and a specific silica.