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:
Dec. 02, 1997
Filed:
Nov. 29, 1995
Applicant:
Inventors:
Paul Carl Urban, Bright's Grove, CA;
Walter Von Hellens, Bright's Grove, CA;
Assignee:
Bayer Inc., Sarnia, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
525 98 ; 524393 ; 524504 ;
Abstract
A process is provided for making improved rubbery vulcanizates wherein rubbery polymer is mixed with silica or silica and carbon black, polyfunctional polysulphide silane compound and sulphur-based vulcanizaiton agents and the mixture is vulcanized, the rubber polymer is a polymer having two or three domains or a mixture of a polymer having two or three domains and one of polybutadiene, styrene-butadiene polymer or natural rubber or a mixture of polybutadiene and natural rubber.