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:
Dec. 01, 2015
Filed:
Aug. 11, 2011
Seichi Tahara, Tokyo, JP;
Kumi Fujiki, Tokyo, JP;
Masaaki Tsuchihashi, Wakayama, JP;
Tetsuo Takano, Wakayama, JP;
Seichi Tahara, Tokyo, JP;
Kumi Fujiki, Tokyo, JP;
Masaaki Tsuchihashi, Wakayama, JP;
Tetsuo Takano, Wakayama, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
Provided is a rubber composition capable of preventing discoloration due to an amine-based antiaging agent and wax without deteriorating the ozone resistance not only in cases where the rubber composition is used in side wall portions of tires but also in cases where the rubber composition is used in tread portions of tires. The rubber composition comprises at least one rubber component selected from a dienic synthetic rubber and a natural rubber and, as incorporated therein, at least one nonionic surfactant selected from specific compounds.