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:
Mar. 09, 2021
Filed:
Oct. 02, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Marc-Stephan Weiser, Kürten-Dürscheid, DE;
Sascha Plug, Leverkusen, DE;
Sebastian Doerr, Düsseldorf, DE;
Jeff Motley, Staffordshire, GB;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/40 (2006.01); A61F 11/08 (2006.01); C08G 18/12 (2006.01); C08G 18/34 (2006.01); C08G 18/48 (2006.01); C08J 9/02 (2006.01);
U.S. Cl.
CPC ...
C08G 18/409 (2013.01); A61F 11/08 (2013.01); C08G 18/12 (2013.01); C08G 18/345 (2013.01); C08G 18/348 (2013.01); C08G 18/4841 (2013.01); C08J 9/02 (2013.01); C08J 2207/10 (2013.01); C08J 2375/04 (2013.01);
Abstract
The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (VI) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (VI) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.