Composite building boards with thermoplastic coatings and cementitious precoated fibrous mats

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United States of America Patent

PATENT NO 9346244
APP PUB NO 20110256372A1
SERIAL NO

13006691

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
CERTAINTEED GYPSUM INC20 MOORES ROAD MALVERN PA 19355

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boydston, Gerald D Cody, US 25 199
Hauber, Robert Joseph Tampa, US 3 26

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