Variable vapor barrier for humidity control

Details Variable vapor barrier for humidity control Variable vapor barrier for humidity control

2006-06-13

2010-11-09

Jackson, Monique R (Department: 1787)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S292100, C428S500000, C428S514000, C428S522000, C428S535000, C052S309100

Reexamination Certificate

active

07829197

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.

REFERENCES:
patent: 6808772 (2004-10-01), Kunzel
patent: 6878455 (2005-04-01), Kunzel
patent: 6890666 (2005-05-01), Kunzel
patent: 7442659 (2008-10-01), Moll
patent: 2004/0103603 (2004-06-01), Kunzel
patent: 2004/0103604 (2004-06-01), Kunzel
patent: 2004/0103605 (2004-06-01), Kunzel
patent: 2004/0103607 (2004-06-01), Kunzel
patent: 2004/0245391 (2004-12-01), Kunzel
patent: 2005/0124741 (2005-06-01), Chen
patent: 2007/0078223 (2007-04-01), Chen et al.
patent: WO 96/33321 (1996-10-01), None
patent: WO 03/042037 (2003-05-01), None
patent: WO 03/044294 (2003-05-01), None
patent: WO 2004/050362 (2004-06-01), None
PCT Notification of Transmittal of the International Search Report, International Application No. PCT/US2007/013974, Mailed Nov. 23, 2007.

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