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. 28, 2011
Filed:
May. 15, 2009
Applicants:
Helmut-werner Heuer, Krefeld, DE;
Rolf Wehrmann, Krefeld, DE;
Inventors:
Helmut-Werner Heuer, Krefeld, DE;
Rolf Wehrmann, Krefeld, DE;
Assignee:
Bayer Material Science AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Copolycarbonates comprising alkylphenolchain terminator groups for adjusting the molecular weight, compositions of these copolycarbonates with additives chosen from the group of heat stabilizers and mold release agents, the use thereof for the production of moldings and moldings obtained therefrom.