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:
Dec. 24, 2024
Filed:
Dec. 10, 2021
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Jonathan Garrett Weis, Allison Park, PA (US);
Gereme Hensel, Cranberry Township, PA (US);
Chad Alan Landis, Oakmont, PA (US);
Pedro Velez-Herrera, Pittsburgh, PA (US);
Maria Wang, Allison Park, PA (US);
Shanti Swarup, Allison Park, PA (US);
Tsukasa Mizuhara, Seven Valleys, PA (US);
Xiangling Xu, Pittsburgh, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A crosslinker composition is prepared from a reaction mixture including: (a) a prepolymer including a reaction product of a prepolymer mixture including: (i) a polyfunctional isocyanate; and (ii) a first compound comprising two or more active hydrogen groups, where the polyfunctional isocyanate and/or the first compound comprising two or more active hydrogen groups includes a greater than two functional isocyanate and/or active hydrogen groups, respectively; and (b) a polyfunctional hydrazide. The crosslinker composition is not self-crosslinkable. The crosslinker composition has an acid value of at least 15 based on total resin solids of the crosslinker composition.