US 12,110,637 B2
Dispersible tissue laminate
Kenneth J. Zwick, Neenah, WI (US); Nicholas S. Wolter, Greenville, WI (US); Eric Hartl, Appleton, WI (US); Stephen J. Ratajczak, Neenah, WI (US); Daniel M. Piette, Neenah, WI (US); and Robert S. Monson, Appleton, WI (US)
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
Appl. No. 18/028,381
Filed by Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
PCT Filed Sep. 25, 2020, PCT No. PCT/US2020/052669
§ 371(c)(1), (2) Date Mar. 24, 2023,
PCT Pub. No. WO2022/066164, PCT Pub. Date Mar. 31, 2022.
Prior Publication US 2023/0366155 A1, Nov. 16, 2023
Int. Cl. D21H 27/32 (2006.01); D21H 11/04 (2006.01); D21H 27/00 (2006.01)
CPC D21H 27/32 (2013.01) [D21H 11/04 (2013.01); D21H 27/005 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A dispersible tissue laminate comprising a first wet-laid tissue ply and a second wet-laid tissue ply arranged in facing relation with one another, the first and second plies having a dry basis weight from about 15 gsm to about 60 gsm and wherein the dry basis weight of the first and second plies differs by at least about 25%; an adhesive disposed as a plurality of discrete deposits between the first and second tissue plies; and a wetting composition at an add-on ranging from about 10 to about 600 percent, based upon the weight of the dry tissue laminate.