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:
Dec. 14, 2004
Filed:
May. 10, 1995
Applicant:
Inventors:
Thomas Scholl, Bergisch Gladbach, DE;
Peter Bier, Krefeld, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/414 ; C08G 6/424 ; C08G 6/430 ;
U.S. Cl.
CPC ...
C08G 6/414 ; C08G 6/424 ; C08G 6/430 ;
Abstract
The present invention provides UV-stable polycarbonates, optionally mixed with known aromatic polycarbonates, the production and use thereof, wherein the polycarbonates contain terminal groups of the formula (Ia)