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:
Nov. 19, 2002
Filed:
Nov. 01, 2001
Applicant:
Inventors:
Qiang Yu, Grayslake, IL (US);
Srinivas Veeramasuneni, Grayslake, IL (US);
Frederick Thomas Jones, Grayslake, IL (US);
Assignee:
United States Gypsum Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 9/00 ;
U.S. Cl.
CPC ...
E04B 9/00 ;
Abstract
A set gypsum composition and methods for the preparation thereof are disclosed. The set gypsum composition comprises a continuous phase of interlocking set gypsum matrix having an enhanced water voids volume and/or is prepared from a mixture (e.g., slurry) comprising an elevated ratio of water to calcined gypsum. Also disclosed is an article comprising the set gypsum composition.