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. 10, 1987
Filed:
Nov. 13, 1985
Applicant:
Inventors:
Hans-Jurgen Kress, Krefeld, DE;
Ludwig Bottenbruch, Krefeld, DE;
Mark Witman, Pittsburgh, PA (US);
Klaus Kircher, Leverkusen, DE;
Christian Lindner, Cologne, DE;
Karl-Heinz Ott, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
524130 ; 524132 ; 524165 ; 524166 ; 524405 ; 524413 ; 524415 ; 524417 ; 524437 ; 524438 ; 524508 ; 525 67 ;
Abstract
The present invention relates to a process for the preparation of flame-resistant polycarbonate moulding compositions, which is characterized in that, besides the addition of alkali metal salts, there is incorporation of tetrafluoroethylene polymers as an intimate mixture with halogen-free graft polymers, these intimate mixtures being prepared by coagulation of the appropriate emulsion mixtures, and to the polycarbonate moulding compositions obtainable by the process according to the invention.