US 12,442,139 B2
Absorbent articles and methods for manufacturing same
Francis P. Abuto, Johns Creek, GA (US); Andrew T. Baker, Norcross, GA (US); and Marvin E. Swails, Alpharetta, GA (US)
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
Appl. No. 17/770,999
Filed by Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
PCT Filed Oct. 21, 2020, PCT No. PCT/US2020/056607
§ 371(c)(1), (2) Date Apr. 21, 2022,
PCT Pub. No. WO2021/081057, PCT Pub. Date Apr. 29, 2021.
Claims priority of provisional application 62/923,826, filed on Oct. 21, 2019.
Prior Publication US 2022/0380985 A1, Dec. 1, 2022
Int. Cl. D21H 27/38 (2006.01); A47K 10/16 (2006.01); B32B 5/18 (2006.01); B32B 5/32 (2006.01); B32B 7/06 (2019.01); D21F 11/00 (2006.01); D21H 27/00 (2006.01)
CPC D21H 27/38 (2013.01) [A47K 10/16 (2013.01); B32B 5/18 (2013.01); B32B 5/32 (2013.01); B32B 7/06 (2013.01); D21F 11/002 (2013.01); D21H 27/007 (2013.01); B32B 2250/22 (2013.01); B32B 2260/02 (2013.01); B32B 2260/04 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/062 (2013.01); B32B 2262/067 (2013.01); B32B 2307/726 (2013.01); B32B 2555/02 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A one-ply absorbent article comprising:
a nonwoven first layer comprising cellulosic fibers;
a nonwoven third layer comprising cellulosic fibers;
a nonwoven second layer between the first layer and the third layer, wherein the second layer does not include synthetic binder fiber, wherein the nonwoven second layer is treated with a debonding agent, and wherein each of the first layer, the second layer and the third layer are foam formed; and
wherein the one-ply absorbent article has a first absorbency measure at a first delamination state and a second absorbency measure at a second delamination state, wherein the second absorbency measure is at least ten percent greater than the first absorbency measure and the first delamination state is less than the second delamination state.