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. 04, 1985
Filed:
Feb. 06, 1984
Applicant:
Inventors:
Hiroshi Furukawa, Kobe, JP;
Yuichi Saito, Nishinomiya, JP;
Assignees:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263402 ;
Abstract
A composition for tread rubber of tires containing a synthetic isoprene rubber having a 3,4-bonding content of at least 15% by mole and an intrinsic viscosity of at least 2.0 in toluene at 30.degree. C. The composition can provide a rubber having an improved frictional characteristic on wet road with an excellent rolling resistance characteristic, and is very useful as a tread rubber of tires.