Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel E. Boss0
Mark H. Englert0
Date of Patent
January 25, 2011
0Patent Application Number
118255550
Date Filed
July 6, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A composition for a slurry for manufacture of a building panel includes one or more fillers, one or more binders and water. One or more fillers is an expanded perlite at least partially covered with a film-forming, thermoplastic polymer coating Some embodiments use calcined or uncalcined gypsum as a binder or filler. One embodiment is a building panel that includes a solid matrix of calcium sulfate dihydrate crystals bound to expanded perlite.
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