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:
Jan. 14, 2020
Filed:
May. 31, 2017
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Yuhei Yamashiro, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
An object of the present invention is to provide a rubber composition which is excellent in wet grip performance and abrasion resistance without deteriorating fuel efficiency, and a tire having a tread composed of the rubber composition. The present invention relates to a rubber composition comprising a rubber component comprising 20 to 90% by mass of a rubber component A and 10 to 80% by mass of a rubber component B, wherein an SP value of the rubber component A is not less than 17.8 (J/cm)and an SP value of the rubber component B is lower than the SP value of the rubber component A by not less than 0.6 (J/cm), and a tire having a tread composed of the rubber composition.