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:
May. 06, 1997
Filed:
Dec. 11, 1995
Applicant:
Inventors:
Helmut-Martin Meier, Ratingen, DE;
Hartmut L ower, Krefeld, DE;
Wolfgang Ebert, Krefeld, DE;
Claus Wulff, Krefeld, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528198 ; 524414 ; 525461 ; 528196 ;
Abstract
The present invention relates to thermoplastic aromatic polycarbonates having a content of special aryl phosphines, to their preparation, and to their use in the light engineering sector and in optics.