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:
Jul. 18, 2023
Filed:
Feb. 28, 2020
United States Gypsum Company, Chicago, IL (US);
Qinghua Li, Rolling Meadows, IL (US);
Naser Aldabaibeh, Homer Glen, IL (US);
Mark Hemphill, Hawthorn Woods, IL (US);
Trevor Rische, Burlington, WI (US);
Suman Sinha Ray, Chicago, IL (US);
United States Gypsum Company, Chicago, IL (US);
Abstract
Disclosed are an organic binder-based coating; a composite gypsum board containing face and back cover sheets, an outside surface of the back cover sheet bearing the coating; and a method of preparing composite board where the back cover sheet contains the coating on its outer surface. The coating is formed from a composition comprising an alkaline silicate, a solid filler, and optionally, a borate. An enhancing layer can also be applied to the back cover sheet.