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Patent Searching and Data


Title:
COMPOSITE BUILDING BOARDS WITH THERMOPLASTIC COATINGS AND CEMENTITIOUS PRECOATED FIBROUS MATS
Document Type and Number:
WIPO Patent Application WO/2012/097140
Kind Code:
A3
Abstract:
Disclosed is a composite building board construction. The board includes a set gypsum core and a fibrous mat that is pre-coated with a cementitious layer. A thermoplastic coating is then applied over the cementitious layer. Additives can be added to one or more of the layers to provide enhanced performance characteristics. Also discloses are various manufacturing techniques for applying a hot melt thermoplastic coating to cementitious layer.

Inventors:
HAUBER ROBERT J (US)
BOYDSTON JERRY D (US)
Application Number:
PCT/US2012/021065
Publication Date:
December 27, 2012
Filing Date:
January 12, 2012
Export Citation:
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Assignee:
CERTAINTEED GYPSUM INC (US)
HAUBER ROBERT J (US)
BOYDSTON JERRY D (US)
International Classes:
B32B13/02; B32B5/02
Foreign References:
US20100055431A12010-03-04
US6524679B22003-02-25
US20090208714A12009-08-20
US20090186549A12009-07-23
US4378405A1983-03-29
US20020102390A12002-08-01
US20050202742A12005-09-15
Other References:
See also references of EP 2663452A4
Attorney, Agent or Firm:
COLITZ, Michael J. III (Suite 2200Tampa, Florida, US)
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