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:
Jun. 26, 1990
Filed:
Nov. 03, 1988
Applicant:
Inventors:
Dieter Wittmann, Krefeld, DE;
Jochen Schoeps, Krefeld, DE;
Christian Lindner, Cologne, DE;
Hans-Jurgen Kress, Pittsburgh, PA (US);
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 67 ; 525 64 ;
Abstract
The present invention relates to the use of specific graft polymers to improve the petroleum-resistance of thermoplastic, aromatic polycarbonates and/or polyester carbonates, mixtures of polycarbonate and/or polyester carbonate with these specific graft polymers and, if appropriate, with other thermoplastic resins and/or with effective amounts of customary additives, and in addition to a process for the production of these mixtures.