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:
Jul. 17, 2001
Filed:
Jun. 28, 1999
Applicant:
Inventors:
Yoichi Mizuno, Osaka, JP;
Toshiro Matsuo, Kakogawa, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/32 ; C08K 3/04 ; B06C 1/100 ;
U.S. Cl.
CPC ...
C08K 5/32 ; C08K 3/04 ; B06C 1/100 ;
Abstract
There is provided a rubber composition for tyre tread, which decreases rolling resistance without decreasing abrasion resistance. The rubber composition for tyre tread is obtained by mixing 100 parts by weight of a rubber component, 0.5 to 1 part by weight of N,N′-bis(2-methyl-2-nitropyl)-1,6-hexane-diamine 1 to 1.5 parts by weight of sulfur and 1 to 3 parts by weight of a vulcanization accelerator, and wherein an amount X of sulfur and an amount Y of a vulcanization accelerator satisfy the equation: 2X−1≦Y≦2X.