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. 24, 2019
Filed:
May. 18, 2016
Applicant:
Etex Building Performance International Sas, Avignon, FR;
Inventors:
Roger Arese, Isle sur la Sorgue, FR;
Pierre Peyron, Sarrlans, FR;
Assignee:
Etex Building Performance International SAS, Avignon, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/14 (2006.01); C04B 38/10 (2006.01); C04B 14/42 (2006.01); E04F 13/08 (2006.01); C04B 24/06 (2006.01); C04B 24/26 (2006.01); C04B 24/38 (2006.01); E04C 2/04 (2006.01); C04B 111/00 (2006.01); C04B 103/30 (2006.01); C04B 103/42 (2006.01);
U.S. Cl.
CPC ...
C04B 28/142 (2013.01); C04B 14/42 (2013.01); C04B 24/06 (2013.01); C04B 24/26 (2013.01); C04B 24/383 (2013.01); C04B 28/14 (2013.01); C04B 38/10 (2013.01); C04B 38/106 (2013.01); E04C 2/043 (2013.01); E04F 13/08 (2013.01); C04B 2103/34 (2013.01); C04B 2103/42 (2013.01); C04B 2111/0062 (2013.01); C04B 2111/00603 (2013.01);
Abstract
A gypsum board according to the invention comprises • calcium sulphate dihydrate; • Tartaric acid in an amount in the range of 0.01 to 0.1% w based on the weight of calcium sulphate hemihydrate; • A fluidizer in an amount of 1.0 to 10.0 kg/m; • Starch in an amount of 3.0 to 12.0 kg/m.