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:
Apr. 12, 2016
Filed:
Sep. 02, 2011
Naoki Kushida, Kanagawa, JP;
Satoshi Mihara, Kanagawa, JP;
Naoki Kushida, Kanagawa, JP;
Satoshi Mihara, Kanagawa, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A rubber composition for tires contains a diene rubber, silica, a sulfur-containing silane coupling agent and a triethoxysilane containing an alkyl group having a prescribed number of carbon atoms, wherein 50 mass % or more of the aforementioned diene rubber is a styrene-butadiene copolymer rubber, the aforementioned sulfur-containing silane coupling agent has a mercapto group, the content of the aforementioned silica is from 5 to 150 parts by mass per 100 parts by mass of the aforementioned diene rubber, the content of the aforementioned sulfur-containing silane coupling agent is from 3 to 15 mass % relative to the content of the aforementioned silica, and the content of the aforementioned alkyltriethoxysilane is from 0.1 to 20 mass % relative to the content of the aforementioned silica.