Smooth and low density paperboard structures and methods for manufacturing the same

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United States of America Patent

PATENT NO 11697908
APP PUB NO 20220267961A1
SERIAL NO

17683454

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Abstract

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A method for manufacturing a paperboard structure includes passing a paperboard substrate through a hot-hard calender to yield a calendered paperboard substrate, the hot-hard calender including a nip defined by a thermo-roller and a counter roller, wherein a contact surface of the thermo-roller is heated to an elevated temperature. The method then includes applying a basecoat to the calendered paperboard substrate to yield a basecoated paperboard substrate, the basecoat includes a basecoat binder and a basecoat pigment blend. The method further includes applying a topcoat to the basecoated paperboard substrate.

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Patent Owner(s)

Patent OwnerAddress
WESTROCK MWV LLC501 SOUTH 5TH STREET RICHMOND VA 23219

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Giuste, Sergio A Midlothian, US 8 31
Green, Terrell J Raleigh, US 16 55
Parker, Steven Raleigh, US 61 402

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