	US 11,913,174 B2
	Recyclable paper barrier laminate
Emily Charlotte Boswell, Cincinnati, OH (US); Pier-Lorenzo Caruso, Frankfort am Main (DE); and Uwe Bolz, Tutzing (DE)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jul. 28, 2021, as Appl. No. 17/386,586.
Claims priority of provisional application 63/058,649, filed on Jul. 30, 2020.
Prior Publication US 2022/0034040 A1, Feb. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. D21H 19/12 (2006.01); D21H 19/84 (2006.01); D21F 11/00 (2006.01); D21H 19/40 (2006.01); D21H 19/60 (2006.01); D21H 27/10 (2006.01)

CPC D21H 19/84 (2013.01) [D21F 11/002 (2013.01); D21H 19/12 (2013.01); D21H 19/40 (2013.01); D21H 19/60 (2013.01); D21H 27/10 (2013.01)]

43 Claims

1. A recyclable barrier paper laminate comprising:

a) a recyclable paper layer having an outer surface and an inner surface

b) a first water-soluble polymeric layer having an outer surface and an inner surface, said outer surface disposed on said inner surface of said paper layer

c) a water-dispersible barrier layer comprising about 96% to about 100% hydrophilic nanoplatelets having an outer surface and an inner surface, said outer surface disposed on said inner surface of said water-soluble polymeric layer

d) a second water-soluble polymeric layer having an outer surface and an inner surface, said outer surface disposed on said inner surface of said water-dispersible barrier layer.