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. 27, 1993
Filed:
Oct. 03, 1991
Applicant:
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524496 ; 524495 ; 524847 ;
Abstract
Rubber compositions for use in tire treads are disclosed. One or more selected styrene-butadiene rubbers of specified glass transition temperatures are blended with a selected type of carbon black of specified physical characteristics. The composition is highly stable in runnability on dry, wet and snowy roads.