US Patent 8974925 Gypsum board
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Patent abstract
Described herein is a composite board and a method of producing a composite board, the board having increased fire endurance. The board comprises a sheet having a thickness greater than about 0.014 inches, and a thermal conductivity of about 0.1 w/(m.k.) or less. The composite board can be part of a wall assembly comprising two boards defining an interior cavity, the sheet facing the interior cavity.
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Patent Inventor Names
Bangji Cao0
Cesar Chan0
Scott Leckie0
Weixin D. Song0
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US Patent 08974925 Gypsum board US Patent 8974925 Gypsum board
Infobox
Patent Number
089749250
Patent Number
89749250
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Patent Jurisdiction
Patent Number
089749250
Date of Patent
March 10, 2015
0Patent Application Number
140546200
Date Filed
October 15, 2013
0Official Website
Patent Primary Examiner
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US Patent 08974925 Gypsum board
Infobox
Is a
Patent jurisdiction
Patent number
08974925
Date of patent
March 10, 2015
Patent application number
14054620
Date Filed
October 15, 2013
Patent primary examiner
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