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:
Nov. 14, 1989
Filed:
Dec. 29, 1987
Applicant:
Inventors:
Winfried G Paul, Pittsburgh, PA (US);
Ronald L Price, Pittsburgh, PA (US);
Sivaram Krishnan, Pittsburgh, PA (US);
Assignee:
Mobay Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524404 ; 524408 ; 524409 ; 524410 ; 524413 ; 524414 ; 524415 ; 524424 ; 524425 ; 524436 ; 524437 ; 524443 ;
Abstract
It has now been found that the flame retardance of polydiorganosiloxane copolycarbonates may be significantly improved upon the addition thereto of a small amount of a metal salt of an inorganic acid. The polydiorganosiloxane copolycarbonates are conforming structurally to ##STR1## wherein p is an integer of from 1 to about 10,