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. 28, 1989
Filed:
Aug. 20, 1987
Applicant:
Inventor:
John A Rock, Becket, MA (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525431 ; 525433 ;
Abstract
A polymer blend containing a polycarbonate and a siloxane-polyetherimide copolymer. The blends of the invention have improved impact strength, particularly thick section impact strength, over the unmodified polycarbonates. In addition the blends have good physical properties, relatively low flammability and are resistant to environmental stress cracking and crazing.