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:
Oct. 02, 2018

Filed:

Jul. 29, 2014
Applicant:

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

Inventors:

Toshifumi Haba, Kobe, JP;

Koji Fujisawa, Kobe, JP;

Gen Higa, Kobe, JP;

Satoko Kitamura, Kobe, JP;

Takahiro Mabuchi, Kobe, JP;

Kazuya Torita, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 31/00 (2006.01); B60C 1/00 (2006.01); C08F 2/38 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01); C08F 222/14 (2006.01); C08F 4/34 (2006.01); B60C 11/00 (2006.01);
U.S. Cl.
CPC ...
B60C 1/0016 (2013.01); B60C 11/0008 (2013.04); C08F 2/38 (2013.01); C08F 4/34 (2013.01); C08F 222/14 (2013.01); C08K 3/04 (2013.01); C08K 3/36 (2013.01); Y02T 10/862 (2013.01);
Abstract

Provided are a rubber composition that shows a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while having good processability, and a pneumatic tire including a tread formed from the rubber composition. The present invention relates to a rubber composition containing: a copolymer synthesized by copolymerization of a conjugated diene monomer and a compound represented by the formula (1) below; and carbon black and/or silica, wherein Rand Rare the same as or different from each other and each represent a hydrogen atom or a C1-C30 hydrocarbon group.


Find Patent Forward Citations

Loading…