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. 04, 2018
Filed:
Nov. 03, 2015
Applicant:
Lanxess Deutschland Gmbh, Cologne, DE;
Inventors:
Wilhelm Laufer, Ellerstadt, DE;
Volker Wenzel, Heddesheim, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/29 (2006.01); C07C 275/40 (2006.01); C07C 267/00 (2006.01); C07C 263/06 (2006.01);
U.S. Cl.
CPC ...
C07C 275/40 (2013.01); C07C 263/06 (2013.01); C07C 267/00 (2013.01); C08K 5/29 (2013.01);
Abstract
The invention relates to novel carbodiimides having terminal urea and/or urethane groups, to processes for the production thereof and to the use thereof as a stabilizer in ester-based polymers especially in films for protection from hydrolytic degradation.