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:
Nov. 06, 1984
Filed:
Dec. 29, 1982
Applicant:
Inventors:
Assignee:
Bridgestone Tire Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; B60C / ; B60C / ;
U.S. Cl.
CPC ...
524432 ; 1523 / ; 1523 / ; 152355 ; 524435 ; 524496 ; 524534 ; 524571 ; 525291 ; 525353 ;
Abstract
Rubber compositions having improved tensile strength, elongation and modulus of unvulcanized rubbers without deteriorating physical properties of vulcanized rubbers are prepared by utilizing synergistic effect of addition of a filler having high reinforcing property and alkadiene sulfones in given amounts to natural rubber and/or dienic synthetic rubbers.