Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 4, 2013
Patent Application Number
12525159
Date Filed
January 30, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A construction board comprising a cellular body including at least one planar surface, where the cellular body includes a polyurethane or polyisocyanurate cellular structure, where the cellular structure has a density greater than about 2.5 pounds per cubic foot, an ISO index of at least 270, and where the cellular body includes at least 5.0% by weight flame retardant based on the weight of the cellular body.
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