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:
Aug. 07, 1990
Filed:
Oct. 20, 1988
Applicant:
Inventors:
Hiroshi Takino, Ibaraki, JP;
Satoshi Iwama, Takatsuki, JP;
Riichiro Ohara, Suita, JP;
Noriyuki Isobe, Ibaraki, JP;
Hiroyuki Tobori, Ibaraki, JP;
Makoto Komai, Itami, JP;
Assignee:
Toyo Tire & Rubber Company Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524495 ; 1522 / ; 525236 ; 525237 ; 524526 ;
Abstract
A tire tread rubber composition having a two-peak tan.delta. characterized in that the temperature distribution curve for loss tangent (tan.delta.) has two peaks in the range from -120.degree. C. to +100.degree. C. is useful as a tire tread rubber composition.