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. 24, 2012
Filed:
Mar. 16, 2011
Applicant:
Masataka Hiro, Kobe, JP;
Inventor:
Masataka Hiro, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe-Shi Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 89/00 (2006.01); C08K 5/49 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides: a rubber composition for a tire that achieves both good fuel economy and abrasion resistance, and also achieves good degradation resistance and processability; and a heavy-load tire having a tread produced therefrom. The present invention relates to a rubber composition for a tire, comprising a rubber component that contains a modified natural rubber having a phosphorus content of 200 ppm or less and a butadiene rubber, wherein the amount of the modified natural rubber is 60 to 95% by mass and the amount of the butadiene rubber is 5 to 40% by mass, based on 100% by mass of the rubber component.