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:
Aug. 11, 2020
Filed:
Sep. 21, 2017
United States Gypsum Company, Chicago, IL (US);
Samar Emami, Chicago, IL (US);
Salvatore C. Immordino, Trevor, WI (US);
Robert H. Negri, Lake Villa, IL (US);
David D. Pelot, Chicago, IL (US);
Jeffrey F. Grussing, Trevor, WI (US);
Juan Carlos Ruiz Castañeda, Nuevo Leon, MX;
Christopher R. Nelson, Lindenhurst, IL (US);
John Jason Roxburgh, Chicago, IL (US);
Srinivas Veeramasuneni, Round Lake, IL (US);
UNITED STATES GYPSUM COMPANY, Chicago, IL (US);
Abstract
A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.