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. 10, 2026
Filed:
Dec. 10, 2020
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Wei Wang, Allison Park, PA (US);
Dennis Leroy Faler, North Huntingdon, PA (US);
Sara Ashley Friello, Pittsburgh, PA (US);
Paul H. Lamers, Allison Park, PA (US);
Steven Edward Bowles, Pittsburgh, PA (US);
David Robert Fenn, Allison Park, PA (US);
Chester Szymanski, Allison Park, PA (US);
Shanti Swarup, Allison Park, PA (US);
Hongying Zhou, Allison Park, PA (US);
Hilary Ann Kerchner, Gibsonia, PA (US);
Gobinda Saha, Pittsburgh, PA (US);
Brian Endlich, Apollo, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and/or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and/or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.