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:
Jun. 30, 2026
Filed:
Apr. 28, 2021
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Se Ryeon Lee, Mars, PA (US);
Ross A. Moretti, Pittsburgh, PA (US);
Dennis A. Simpson, Sarver, PA (US);
Hiu Yan Cheng, Allison Park, PA (US);
Randy E. Daughenbaugh, Monroeville, PA (US);
Michael Olah, Pittsburgh, PA (US);
Christophe Rene Gaston Grenier, Pittsburgh, PA (US);
Inanllely Y. Gonzalez, Cleveland, OH (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Coating compositions comprising a phenolic resin and a film-forming resin having functional groups that are reactive with the functionality of the phenolic resin are disclosed herein. The phenolic resin comprises a phenol group containing compound and a glyoxylic acid containing compound. Such phenolic resins may be used as formaldehyde-free crosslinkers in coating compositions and such coating compositions may be used on substrates comprising a non-porous material, such as metal, glass, and/or plastic. Also disclosed are methods of coating a substrate and coated substrates, including food and/or beverage containers.