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:
Mar. 16, 1993
Filed:
Jun. 18, 1992
Applicant:
Inventors:
Gary C Davis, Albany, NY (US);
Christianus A Claesen, Bergen op Zoom, NL;
Erwin M Gijzen, Bergen op Zoom, NL;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528167 ; 528169 ; 528196 ; 528201 ; 528204 ;
Abstract
Novel flame retardant polycarbonates are prepared that maintain a T.sub.g and an impact strength similar to that of non-modified polycarbonates. More particular, phosphine oxide containing polycarbonates are prepared that demonstrate improved flame retardancy and the retention of impact strength and glass transition temperature.