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:
Jan. 25, 2022
Filed:
Sep. 14, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Dorota Greszta-Franz, Solingen, DE;
Jan Weikard, Leverkusen, DE;
Matthias Wintermantel, Hürth, DE;
Robert Maleika, Düsseldorf, DE;
Thomas Klimmasch, Leverkusen, DE;
Thomas Schuettler, Cologne, DE;
Assignee:
COVESTRO DEUTSCHLAND AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 227/40 (2006.01); C07C 229/24 (2006.01); C07C 227/06 (2006.01); C07C 229/26 (2006.01); C08G 18/38 (2006.01); C08G 18/79 (2006.01);
U.S. Cl.
CPC ...
C07C 229/24 (2013.01); C07C 227/06 (2013.01); C07C 227/40 (2013.01); C07C 229/26 (2013.01); C08G 18/3821 (2013.01); C08G 18/792 (2013.01);
Abstract
The present invention relates to polyaspartic acid ester compositions which contain polyaspartic acid esters with primary amino groups and small amounts of fumaric acid dialkyl esters, to a method for preparing same and the use thereof as a reactive component for polyisocyanates in two-component polyurethane systems.