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. 18, 1990
Filed:
Mar. 01, 1989
Applicant:
Inventors:
Ghawamedin Bayan, West Chester, PA (US);
Anthony S Esposito, Pottstown, PA (US);
Assignee:
The West Company Incorporated, Phoenixville, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 69 ; 525 63 ; 525 96 ;
Abstract
A thermoplastic elastomer composition is possible which has low coefficient friction, reduced stickiness and good structural integrity. A halobutyl rubber is cured by dynamic vulcanization in the presence of sufficient thermoplastic material to function as a continuous phase for the vulcanization. Thereafter, up to 25 parts based on 100 parts of the rubber of an uncured organopolysiloxane grafted EPDM polymer are admixed to form the final moldable product, resulting in a mixture which has good structural integrity and a smooth finished surface.