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. 03, 2010
Filed:
Jun. 09, 2006
Qingxia Liu, Vernon Hills, IL (US);
Michael P. Shake, Johnsburg, IL (US);
David R. Blackburn, Barrington, IL (US);
John W. Wilson, Fairview, OK (US);
Brian Randall, Fairview, OK (US);
Dennis M. Lettkeman, Watonga, OK (US);
Qingxia Liu, Vernon Hills, IL (US);
Michael P. Shake, Johnsburg, IL (US);
David R. Blackburn, Barrington, IL (US);
John W. Wilson, Fairview, OK (US);
Brian Randall, Fairview, OK (US);
Dennis M. Lettkeman, Watonga, OK (US);
United States Gypsum Company, Chicago, IL (US);
Abstract
A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and the second repeating unit is a vinyl or allyl group bound to a polyether by an ether linkage. The slurry can be made into a gypsum panel.