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. 06, 2006
Filed:
Mar. 27, 2003
Dennis Mark Lettkeman, Watonga, OK (US);
Raymond A. Kaligian, Ii, Geneva, IL (US);
Eldon L. Whiteside, Hinsdale, IL (US);
William K. Bedwell, Okeene, OK (US);
Sharon Meiseman, Okeene, OK (US);
Dennis Mark Lettkeman, Watonga, OK (US);
Raymond A. Kaligian, II, Geneva, IL (US);
Eldon L. Whiteside, Hinsdale, IL (US);
William K. Bedwell, Okeene, OK (US);
Sharon Meiseman, Okeene, OK (US);
United States Gypsum Company, Chicago, IL (US);
Abstract
A composition is disclosed for a mixture to be used in conjunction with water for preparing a slurry that hydrates to form a high strength flooring compound. The mixture includes from about 50% to about 98% by weight calcium sulfate hemihydrate, having at least 25% of the calcium sulfate hemihydrate in the beta-calcined form. A polycarboxylate dispersant is included in the mixture in amounts from about 0.2% to about 10% by weight. The mixture also includes 0.05–50% by weight enhancing component. When combined with recommended amounts of water, a slurry is formed that is useful as a flooring composition.