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:
Oct. 06, 1992
Filed:
Sep. 07, 1990
Applicant:
Inventors:
Herman O Krabbenhoft, Scotia, NY (US);
Eric J Pearce, Maryland, NY (US);
Daniel J Brunelle, Scotia, NY (US);
David K Bonauto, New York, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525462 ; 525469 ; 525439 ;
Abstract
Blended polymer compositions are described which comprise: (A) at least one amorphous polycarbonate; and (B) at least one linear polycarbonate oligomer containing hydroquinone carbonate structural units. The blended polymer compositions having particular application in the preparation of shaped articles for use in environments characterized by the presence of solvents, solvent vapors, and/or potential for fire conditions. Methods for increasing the solvent and flammability resistance of amorphous polycarbonates are also described.