Carpet coating composition

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United States of America Patent

PATENT NO 9382341
APP PUB NO 20140087120A1
SERIAL NO

13628776

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Abstract

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An aqueous carpet coating composition includes a particulate filler, a polymeric thickener and an aqueous dispersion of a copolymer that includes vinyl acetate units and ethylene units. The dispersion stabilization system includes

    a) 1.5 to 3 wt % of a combination of polyvinyl alcohols including a1) one or more partially hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 85 to 95 mol % and a Hoeppler viscosity of 10-33 mPa·s, anda2) one or more highly hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 98 to 100 mol % and a Hoeppler viscosity of 10-33 mPa·s; and b) 1.5 to 3 wt % of an emulsifier component consisting of one or more nonionic emulsifiers and one or more anionic emulsifiers.

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Patent Owner(s)

Patent OwnerAddress
WACKER CHEMICAL CORPORATION3301 SUTTON ROAD ADRIAN MI 49221

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McClurken, John Dalton, US 1 7
Pangrazi, Ronald Joseph Fleetwood, US 17 141
Sagl, Dennis Fogelsville, US 16 233

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