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:
Sep. 28, 2010
Filed:
Jun. 11, 2007
Applicants:
David Paul Miller, Lindenhurst, IL (US);
Qingxia Liu, Vernon Hills, IL (US);
Qiang Yu, Grayslake, IL (US);
Inventors:
David Paul Miller, Lindenhurst, IL (US);
Qingxia Liu, Vernon Hills, IL (US);
Qiang Yu, Grayslake, IL (US);
Assignee:
United States Gypsum Company, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 1/26 (2006.01); B27N 3/00 (2006.01); A61K 9/127 (2006.01); B01J 13/02 (2006.01); B01J 13/04 (2006.01); C04B 16/08 (2006.01); C04B 20/00 (2006.01); C04B 38/00 (2006.01); C04B 9/04 (2006.01); C04B 11/00 (2006.01); C04B 28/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for forming a gypsum slurry comprises the steps of combining gypsum and water to form a slurry, combining cellulose ether with at least a second material configured to delay solubilization of the cellulose ether, and adding the combined cellulose ether and at least a second material to the slurry.