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:
Jun. 22, 2010
Filed:
May. 14, 2007
Applicant:
Kazuo Hochi, Kobe, JP;
Inventor:
Kazuo Hochi, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/14 (2006.01); B60C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a rubber composition for a tread which can improve both of grip performance and rolling resistance in good balance and a tire having a tread prepared by using it. The rubber composition for a tread of the present invention contains 30 to 80 parts by weight of a silica having a pH of 7.1 to 12.0 when dispersed in water to prepare a 5% aqueous dispersion; and not more than 10 parts by weight of a carbon black on the basis of 100 parts by weight of a rubber component comprising an epoxidized natural rubber and the tire of the present invention has a tread prepared by using the rubber composition.