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. 19, 1991
Filed:
Nov. 01, 1989
Applicant:
Inventors:
Charles E Lundy, Pittsburgh, PA (US);
Sivaram Krishnan, Pittsburgh, PA (US);
Donald K Booher, Bethel Park, PA (US);
Assignee:
Mobay Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524314 ; 524311 ; 524315 ;
Abstract
A monoester derived from guerbet alcohol and a monocarboxylic acid or a hydroxy carboxylic acid was found to be an effective mold release agent for a thermoplastic molding composition which comprise an aromatic polycarbonate resin. The alcohol of the invention is a guerbet alcohol having about 20 to 60 carbon atoms and the monoacid is characterized in that it has about 1 to 22 carbon atoms.