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. 28, 2020
Filed:
Dec. 14, 2016
Toyo Tire & Rubber Co., Ltd., Itami-shi, Hyogo, JP;
Satoshi Fukunishi, Osaka, JP;
Takashi Yuri, Osaka, JP;
Kohei Matsuura, Osaka, JP;
Sho Taniguchi, Osaka, JP;
TOYO TIRE CORPORATION, Itami-shi, JP;
Abstract
A rubber composition according to an embodiment includes: a rubber component comprising diene rubber; and fine particles which are formed of a specific polymer and have a glass transition point of −70° C. to 0° C. The fine particles are fine particles formed of a (meth)acrylate polymer having a constitutional unit represented by formula (1) or formed of a polymer having a constitutional unit represented by formula (4). In formula (1), Rrepresents a hydrogen atom or a methyl group, and Rrepresents an alkyl group having 4 to 18 carbon atoms. In formula (4), at least one of R, R, R, R, R, and Rrepresents an aliphatic hydrocarbon group having 3 to 8 carbon atoms, and the remainder represents a hydrogen atom or an aliphatic hydrocarbon group having 1 or 2 carbon atoms.