Multi-functional barrier coating for molded fiber containers

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12129602
APP PUB NO 20230279615A1
SERIAL NO

17688282

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Abstract

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Coating compositions are disclosed that can be applied to at least a food-facing surface of a molded fiber container to make the coated container suitable for applications involving long term storage of a dry or frozen food item combined with short term contact with the food item in a liquid or moist state. The coating compositions include carboxylated polyvinyl alcohol copolymer and a crosslinking resin that is epichlorohydrin-based and/or azetidinium-functionalized. The compositions can also include clay particles or other suitable fillers. After crosslinking and drying, the compositions form a thermoset barrier coating in which the polyvinyl alcohol is bonded to the crosslinker by a plurality of function groups including ester functional groups.

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Patent Owner(s)

Patent OwnerAddress
APPVION LLC825 EAST WISCONSIN AVENUE APPLETON WI 54912

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fisher, Mark R Appleton, US 11 27
Sortedahl, Nicholas J Appleton, US 2 2

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