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:
Oct. 06, 2026
Filed:
Oct. 26, 2022
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Richard Reithmeier, Cologne, DE;
Andreas Hoffmann, Pulheim, DE;
Heike Niederelz, Leichlingen, DE;
Harald Rasselnberg, Dormagen, DE;
Thorsten Josef Kraus, Leverkusen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/24 (2006.01); B32B 3/12 (2006.01); B32B 27/12 (2006.01); B32B 27/40 (2006.01); C08G 18/32 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08G 18/76 (2006.01); C08K 5/09 (2006.01); C08K 5/101 (2006.01);
U.S. Cl.
CPC ...
C08J 5/244 (2021.05); B32B 3/12 (2013.01); B32B 27/12 (2013.01); B32B 27/40 (2013.01); C08G 18/3206 (2013.01); C08G 18/4816 (2013.01); C08G 18/4829 (2013.01); C08G 18/4837 (2013.01); C08G 18/6674 (2013.01); C08G 18/7671 (2013.01); C08K 5/09 (2013.01); C08K 5/101 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); C08J 2375/08 (2013.01);
Abstract
The invention relates to an isocyanate-reactive composition comprising an internal release agent, a method for production of a polyurethane sandwich element using the isocyanate-reactive composition, use of the isocyanate-reactive composition in the method for production of a polyurethane sandwich element and the polyurethane sandwich element.