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:
May. 24, 1983
Filed:
Nov. 24, 1981
Applicant:
Inventors:
Hiroshi Furukawa, Kobe, JP;
Yuichi Saito, Nishinomiya, JP;
Akio Imai, Ichihara, JP;
Keisaku Yamamoto, Ichihara, JP;
Tomoaki Seki, Ichihara, JP;
Nobuyuki Yoshida, Ichihara, JP;
Assignees:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Sumitomo Chemical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524420 ; 524 78 ; 524322 ; 526181 ; 526337 ; 5263402 ;
Abstract
A rubber composition containing an isoprene homopolymer or copolymer having a glass transition temperature of not less than -50.degree. C. and a Mooney viscosity of 20 to 120. The composition can provide a cured rubber having a high wet road gripping force and a small dynamic heat generating characteristic, and is very suitable for use in tires of automobiles.