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.

Date of Patent:
Jun. 09, 2020

Filed:

Apr. 13, 2017
Applicant:

Covestro Deutschland Ag, Leverkusen, DE;

Inventors:

Helmut Werner Heuer, Siegen, DE;

Rolf Wehrmann, Krefeld, DE;

Anke Boumans, Goch, DE;

Assignee:

Covestro Deutschland AG, Leverkusen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08K 5/1535 (2006.01); C08K 5/50 (2006.01); C08K 5/00 (2006.01); B29C 48/00 (2019.01); C08G 64/06 (2006.01); C08K 5/524 (2006.01); B29K 69/00 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); B29C 48/022 (2019.02); C08G 64/06 (2013.01); C08K 5/00 (2013.01); C08K 5/005 (2013.01); C08K 5/1535 (2013.01); C08K 5/50 (2013.01); C08K 5/524 (2013.01); B29K 2069/00 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01); C08L 2205/025 (2013.01);
Abstract

The invention relates to compositions containing polycarbonate and carboxylic acid esters of isosorbide, to the use of the compositions for the production of blends or shaped parts and to molded parts obtained therefrom. The compositions have improved rheological and optical properties and an improved demolding and processing behavior in the injection-molding process.


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