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:
Jul. 28, 1981
Filed:
May. 31, 1979
Applicant:
Inventors:
Manfred Schreckenberg, Krefeld, DE;
Klaus Konig, Leverkusen, DE;
Dieter Freitag, Krefeld, DE;
Gunther Lehnert, Leverkusen, DE;
Christian Lindner, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 260463 ; 528171 ; 528174 ; 528199 ; 528202 ; 525462 ;
Abstract
The subject of instant invention is a process for the preparation of aliphatic-aromatic polycarbonates with diphenol carbonate end groups, the polycarbonates obtained therefrom and their use for the preparation of high-molecular, segmented, aliphatic-aromatic polycarbonate elastomers which can be processed as thermoplastics.