Composite gypsum board and methods related thereto

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12090744
APP PUB NO 20160376191A1
SERIAL NO

15186257

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the hoard core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

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Patent Owner(s)

Patent OwnerAddress
UNITED STATES GYPSUM COMPANY550 WEST ADAMS STREET CHICAGO IL 60661

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christ, Brian J Burlington, US 13 48
Diefenbacher, Gregg G Mars, US 5 37
Jones, Fredrick T Grayslake, US 5 37
Li, Alfred C Naperville, US 33 585
Sang, Yijun Oak Park, US 35 180
Song, Weixin D Vernon Hills, US 58 914
Todd, Bradley W Hainesville, US 5 37
Vilinska, Annamaria Chicago, US 19 78

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