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:
Feb. 24, 2026
Filed:
May. 25, 2021
Covestro Deutschland Ag, Leverkusen, DE;
Irene Cristina Latorre Martinez, Leverkusen, DE;
Hans-Josef Laas, Odenthal, DE;
Raul Pires, Cologne, DE;
Laura Woods, Düsseldorf, DE;
Ralph-Georg Born, Remscheid, DE;
Florian Golling, Dortmund, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The invention relates to compositions containing A) at least one component having at least one uretdione group, B) at least one component having at least one hydroxyl group, C1) of at least one catalyst, containing a structural element of the general formula (I) and/or (II), wherein R, R, R, R, Rand Rindependently of each other represent the same or different radicals meaning saturated or unsaturated, linear or branched, aliphatic, cycloaliphatic, araliphatic or aromatic organic radicals with 1 to 18 carbon atoms that are substituted or unsubstituted and/or have heteroatoms in the chain, the radicals being capable of forming, even when combined with each other and optionally together with an additional heteroatom, rings with 3 to 8 carbon atoms that can optionally be further substituted, wherein R, R, Rand Rindependently of each other can also represent hydrogen, and Rrepresents hydrogen or a carboxylate anion (COO−), and C2) at least one catalyst containing at least one N,N,N'-trisubstituted amidine structure and having an amidine group content (calculated as CN2; molecular weight=40) of 12.0 to 47.0 wt.-%. General formulas (I) and (II):