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:
Sep. 24, 1991
Filed:
Apr. 17, 1990
Applicant:
Inventors:
Joan M Donatelli, Midland, MI (US);
Godfrey C Mhah, Midland, MI (US);
Sam A Brady, Kalamazoo, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264257 ; 264141 ; 264313 ; 26433111 ;
Abstract
There is disclosed a trapped polymer method for molding composite articles at temperatures of at least 535.degree. C., comprising heating to a temperature of at least 535.degree. C. a mold containing a master tool, a pre-preg and a trapped polymer comprising a depolymerization-resistant silicone crumb rubber which is resistant to depolymerization of the polymer backbone at a temperature of at least 535.degree. C. to form and cure said pre-preg into the desired composite member.