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:
Jun. 06, 2023
Filed:
Mar. 19, 2020
Applicant:
Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;
Inventors:
Irene Cristina Latorre Martinez, Leverkusen, DE;
Dorota Greszta-Franz, Solingen, DE;
Raul Pires, Cologne, DE;
Nusret Yuva, Burscheid, DE;
Magdalena Fluegel, Cologne, DE;
Andreas Hecking, Langenfeld, DE;
Florian Golling, Düsseldorf, DE;
Assignee:
Covestro Intellectual Property GmbH & Co. KG, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/38 (2006.01); C07C 227/18 (2006.01); C09D 175/06 (2006.01);
U.S. Cl.
CPC ...
C08G 18/3821 (2013.01); C07C 227/18 (2013.01); C09D 175/06 (2013.01); C08G 2150/00 (2013.01);
Abstract
The present invention relates to a process for producing polyaspartic ester compositions by reacting cyclic ethers bearing primary amino and/or primary aminoalkyl groups with fumaric and/or maleic esters, to the polyaspartic ester compositions thus obtainable, and to the use thereof in two-component coating compositions.