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:
Jan. 10, 2023
Filed:
Aug. 16, 2021
Applicant:
Covestro Llc, Pittsburgh, PA (US);
Inventor:
Merle W. Lesko, McDonald, PA (US);
Assignee:
Covestro LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/48 (2006.01); B29C 70/86 (2006.01); B32B 3/12 (2006.01); B32B 29/02 (2006.01); C08J 5/24 (2006.01); B29K 75/00 (2006.01); B29K 309/08 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
B29C 70/48 (2013.01); B29C 70/86 (2013.01); B32B 3/12 (2013.01); B32B 29/02 (2013.01); C08J 5/244 (2021.05); C08J 5/246 (2021.05); B29K 2075/00 (2013.01); B29K 2309/08 (2013.01); B29L 2031/3017 (2013.01); B32B 2260/046 (2013.01); B32B 2262/101 (2013.01); B32B 2605/003 (2013.01); C08J 2375/04 (2013.01);
Abstract
Laminated parts are described that include a core, a fiber layer arranged on each side of the core and impregnated with a polyurethane resin, and an outer layer that at least partially coats at least one of the polyurethane impregnated fiber layers, in which the outer layer is the cured reaction product of a reaction mixture that includes: (1) a polyisocyanate, (2) a polyether polyol having a molecular weight of 800 Da to 25,000 Da and a functionality of 2 to 8, and (3) a fatty acid ester having isocyanate-reactive functionality. Methods of producing such laminated parts are also described.