Biopolymer coating for compostable paperboard packaging

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United States of America Patent

PATENT NO 10655277
APP PUB NO 20180327976A1
SERIAL NO

15776925

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Abstract

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A coating for paperboard includes polylactic acid and an inorganic material. The inorganic material may be talc. The presence of the talc has a beneficial effect on extrusion processing behavior including lower melt temperature, lower head pressure, and lower motor load. Additionally, the presence of talc reduces edge weave and neck-in during extrusion coating processes.

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Patent Owner(s)

Patent OwnerAddress
WESTROCK MWV LLC1000 ABERNATHY ROAD NE ATLANTA GA 30328

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alkiewicz, Chester E Glen Allen, US 8 24
Bhardwaj, Rahul Glen Allen, US 28 101
Yang, Chitai C Mechanicsville, US 10 10

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