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:
Sep. 10, 1996
Filed:
Apr. 06, 1995
Applicant:
Inventors:
Burkhard K ohler, Krefeld, DE;
Wolfgang Ebert, Krefeld, DE;
Klaus Horn, Dormagen, DE;
Rolf Dhein, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 525146 ; 528198 ;
Abstract
The invention relates to the use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and polyester carbonates and to the polycarbonates and polyester carbonates obtainable in accordance with the invention.