Joint compounds, activators and methods for setting a joint compound and preventing seed setting

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United States of America Patent

PATENT NO 11453613
APP PUB NO 20190135697A1
SERIAL NO

16139350

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Abstract

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A ready-mixed setting type joint compound in which formation of gypsum seeds has been inhibited. A method for controlling a setting reaction by mixing a ready-mixed setting type joint compound with one or more metal ion control agents comprising aminopolycarboxylic acid and/or a salt thereof, and further mixing the setting type joint compound with one or more non-calcium phosphate compounds. The method may further comprise mixing the setting type joint compound with a set activator obtained by blending together a first set activator including a cadmium compound, lead compound and/or zinc compound and a second set activator including a ferrous compound, aluminum compound and/or manganese compound.

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Patent Owner(s)

Patent OwnerAddress
UNITED STATES GYPSUM COMPANY550 WEST ADAMS STREET CHICAGO IL 60661-3676

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kincaid, Tyler Chicago, US 13 7
Miller, Charles J Johnsburg, US 28 619
Rosenthal, Guy L Wheaton, US 10 125
Schlude, Joseph South Barrington, US 2 0

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