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:
Apr. 17, 2018
Filed:
Jul. 28, 2016
Applicant:
United States Gypsum Company, Chicago, IL (US);
Inventors:
Naser Aldabaibeh, Homer Glen, IL (US);
Suman Sinha Ray, Chicago, IL (US);
Assignee:
UNITED STATES GYPSUM COMPANY, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E04C 2/00 (2006.01); E04C 2/04 (2006.01); B05D 1/02 (2006.01); B05D 1/30 (2006.01);
U.S. Cl.
CPC ...
E04C 2/043 (2013.01); B05D 1/02 (2013.01); B05D 1/305 (2013.01);
Abstract
Methods for making a gypsum board provided with a latex polymer coating layer having a sufficiently low glass transition temperature, a less dense gypsum core layer, and a relatively denser layer of gypsum between the less dense gypsum core layer and the latex polymer coating layer and a gypsum board made by the method.