Barrier coating having effective moisture vapor permeability

Coating processes – With post-treatment of coating or coating material – Heating or drying

Reexamination Certificate

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Details

C427S385500, C427S387000, C427S389900, C427S392000, C427S394000, C427S396000

Reexamination Certificate

active

07998530

ABSTRACT:
The invention discloses improved water-based compositions that are useful as barrier coatings to regulate the intrusion and extrusion of air and water. Specifically, the water-based compositions, when dried, provide barrier-coatings that have an effective combination of properties including moisture vapor permeability, air permeability resistance, and water resistance. More specifically, the water-based barrier compositions are designed to be environmentally friendly, and user friendly, and provide coated-substrates that are particularly useful for the manufacture of enclosed structures including buildings.

REFERENCES:
patent: 4716188 (1987-12-01), Mariusson
patent: 5004643 (1991-04-01), Caldwell
patent: 5032450 (1991-07-01), Rechlicz
patent: 5856245 (1999-01-01), Caldwell et al.
patent: 6901712 (2005-06-01), Lionel
patent: 2006/0155031 (2006-07-01), Wiercinski
patent: 2007/0042196 (2007-02-01), Smith
Kirk-Othmer Encyclopedia of Chemical Technology, vol. 21, pp. 977-1032, 1997.

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