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. 24, 2026
Filed:
Jun. 16, 2023
Armstrong World Industries, Inc., Lancaster, PA (US);
John E. Hughes, Lincoln University, PA (US);
Suzanne M. Huntzinger, Lancaster, PA (US);
AWI Licensing LLC, Wilmington, DE (US);
Abstract
The present invention is directed to a flame-retardant building panel comprising a body having a first major surface opposite a second major surface, an inorganic coating atop the first major surface, the inorganic coating comprising a flame retardant component that includes a phosphate compound, and a metal complexing agent. In other aspect, the invention is a method of forming a flame-retardant building panel comprising: a) applying an inorganic coating composition to a major surface of a body; and b) drying the inorganic coating composition at an elevated temperature.