Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ashok Harakhlal Shah0
John Chu Chen0
Sam Louis Samuels0
Date of Patent
November 9, 2010
0Patent Application Number
114519790
Date Filed
June 13, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a composition comprising a neutralized acid copolymer or ionomer thereof, an organic acid, and optionally other polymers, having a ratio of wet cup permeance to dry cup permeance greater than 10. The composition is useful as a variable vapor barrier for moisture control of buildings. Also disclosed are articles comprising the variable vapor composition and methods of their use.
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