Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kathryn Capacasa0
Srinivas Veeramasuneni0
Date of Patent
February 22, 2011
0Patent Application Number
109171770
Date Filed
August 12, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A moisture resistant gypsum-based product, e.g., a gypsum board, is made by adding a small amount of a siloxane to the aqueous slurry used to make the gypsum-based product along with a small amount of a dead burned magnesium oxide catalyst to enhance the curing of the siloxane. In the preferred embodiment, the siloxane is formed into an aqueous emulsion in situ with no chemical emulsifier.
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