Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 26, 2011
Patent Application Number
12512612
Date Filed
July 30, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved gypsum slurry that includes water, calcium sulfate hemihydrate, a polycarboxylate dispersant and a modifier. The modifier is chemically configured to improve the efficacy of the polycarboxylate dispersant. Preferred modifiers include cement, lime, slaked lime, soda ash, carbonates, silicates and phosphates.
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