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. 01, 2017
Filed:
May. 14, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Rajesh Kumar, Riverview, MI (US);
Sridhar Iyer, Matthews, NC (US);
Christopher Tanguay, Trenton, MI (US);
Daniel Niedzwiecki, Trenton, MI (US);
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 13/04 (2006.01); B05D 1/00 (2006.01); B05D 3/02 (2006.01); B32B 13/12 (2006.01);
U.S. Cl.
CPC ...
B32B 13/04 (2013.01); B05D 1/00 (2013.01); B05D 3/02 (2013.01); B32B 13/12 (2013.01); Y10T 428/249968 (2015.04);
Abstract
A gypsum board comprises a cover sheet and a gypsum layer disposed on the cover sheet. The gypsum layer comprises the reaction product of an isocyanate, water, and stucco. The isocyanate increases the moisture resistance of the gypsum board. A method of manufacturing the gypsum board comprises the steps of combining the isocyanate, the water, and the stucco to form a slurry, and applying the slurry to a cover sheet to form the gypsum layer on the cover sheet.