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.

Date of Patent:
Sep. 19, 2017

Filed:

May. 26, 2015
Applicant:

Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;

Inventors:

Toshifumi Haba, Kobe, JP;

Kenya Watanabe, Kobe, JP;

Takahiro Mabuchi, Kobe, JP;

Daiko Fujimori, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/10 (2006.01); C08K 3/36 (2006.01); C08K 3/04 (2006.01); C08F 20/14 (2006.01); C08F 36/04 (2006.01); C08F 36/06 (2006.01); C08F 36/08 (2006.01); C08F 20/12 (2006.01); B60C 1/00 (2006.01); C08F 236/06 (2006.01); C08F 236/10 (2006.01); C08K 5/36 (2006.01); C08K 5/548 (2006.01);
U.S. Cl.
CPC ...
C08K 3/36 (2013.01); B60C 1/0016 (2013.01); C08F 20/10 (2013.01); C08F 20/12 (2013.01); C08F 20/14 (2013.01); C08F 36/04 (2013.01); C08F 36/06 (2013.01); C08F 36/08 (2013.01); C08F 236/06 (2013.01); C08F 236/10 (2013.01); C08K 3/04 (2013.01); B60C 1/0025 (2013.01); C08K 5/36 (2013.01); C08K 5/548 (2013.01); C08K 2003/045 (2013.01);
Abstract

Provided are a rubber composition having a good balance of improved fuel efficiency, abrasion resistance, and wet grip performance while providing good processability, and a pneumatic tire having a tread manufactured from the rubber composition. A rubber composition comprising: a copolymer synthesized by copolymerization of a conjugated diene monomer and an unsaturated acyclic monoester represented by the formula (1) below; and carbon black and/or silica, wherein Rrepresents hydrogen or a C1-C30 hydrocarbon group, and Rrepresents hydrogen or a C1-C30 hydrocarbon group.


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