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:
Jul. 30, 1991
Filed:
Mar. 14, 1990
Applicant:
Inventors:
Holger Ohst, Bergisch Gladbach, DE;
Helmut-Martin Meier, Ratingen, DE;
Klaus Kircher, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C07D / ; C09K / ;
U.S. Cl.
CPC ...
524101 ; 544193 ; 544221 ; 25240024 ;
Abstract
The invention relates to trimerized aliphatic isocyanates produced by special processes, to their use as mold release agents in thermoplastic aromatic polycarbonates and/or thermoplastic aromatic polyestercarbonates and/or thermoplastic aromatic polyesters, optionally using standard additives, to the readily demoldable molding compounds thus obtained on the basis of the thermoplastic polycarbonates, polyestercarbonates and/or polyesters and to processes for the production of these readily demoldable molding compounds.