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:
May. 26, 2026
Filed:
Dec. 15, 2021
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Hans-Josef Laas, Odenthal, DE;
Claudine Stoye, Cologne, DE;
Patrick Franke, Reichshof Heischeid, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/79 (2006.01); C08G 18/02 (2006.01); C08G 18/10 (2006.01); C08G 18/28 (2006.01); C08G 18/73 (2006.01); C08G 18/78 (2006.01); C09D 175/04 (2006.01);
U.S. Cl.
CPC ...
C08G 18/798 (2013.01); C08G 18/027 (2013.01); C08G 18/10 (2013.01); C08G 18/283 (2013.01); C08G 18/73 (2013.01); C08G 18/7837 (2013.01); C08G 18/792 (2013.01); C08G 18/797 (2013.01); C09D 175/04 (2013.01); C08G 2150/00 (2013.01);
Abstract
The invention relates to a process for producing hydrophilically modified polyisocyanates having a very low content of monomeric diisocyanates, to the polyisocyanates obtainable or obtained by said process and to the use thereof for producing polyurethane plastics. The invention further relates to coating compositions containing the nonionically hydrophilized polyisocyanates and to the substrates coated with these coating compositions.