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. 02, 1982
Filed:
May. 11, 1981
Applicant:
Inventor:
Douglas C Edwards, Sarnia, CA;
Assignee:
Polysar Limited, Sarnia, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08J / ; C08J / ;
U.S. Cl.
CPC ...
523351 ; 523344 ; 524251 ; 524257 ; 524322 ; 524394 ; 524433 ; 524456 ; 524501 ; 524517 ; 524523 ; 524526 ;
Abstract
A process, and the product of the process, is provided for the production of improved rubbery vulcanizates which contain both of silica or calcium silicate and carbon black as the fillers and two polymers one of which contains hydroxy or epoxy groups. Such vulcanizates may be used in tires, general purpose goods such as belting, and the like.