Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 3, 2009
Patent Application Number
10640895
Date Filed
August 13, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.
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