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:
Aug. 26, 2020
Applicant:
Akzo Nobel Coatings International B.v., Amsterdam, NL;
Inventors:
Eric Orvis, Royal Oak, MI (US);
Matthew Paul Amick, Macomb, MI (US);
Assignee:
Akzo Nobel Coatings International B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 7/06 (2019.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 27/20 (2006.01); B32B 27/40 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 5/024 (2013.01); B32B 5/26 (2013.01); B32B 7/06 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/20 (2013.01); B32B 27/40 (2013.01); B32B 2307/748 (2013.01);
Abstract
This disclosure relates to an in-mold surfacing film for structural composites, in the form of a thermally curable multi-layer film comprising: (a) a release carrier, (b) a surfacing film layer overlying the release carrier, wherein the surfacing film layer comprises an OH-functional polyurethane and a thermally activatable curing agent which can react with the OH groups at a temperature higher than 120° C., and (c) a release liner. Also disclosed is a method for preparing a composite article in-mold using a prepreg and the multi-layer film.