	US 11,931,468 B2
	Feminine care absorbent article containing nanoporous superabsorbent particles
Yuriy Galabura, Appleton, WI (US); Austin N. Pickett, Menasha, WI (US); WanDuk Lee, Appleton, WI (US); Vasily A. Topolkaraev, Appleton, WI (US); Palani Raj R. Wallajapet, Neenah, WI (US); Cynthia S. Krueger, Winneconne, WI (US); Mark M. Mleziva, Appleton, WI (US); and Richmond R. Cohen, Appleton, WI (US)
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
Appl. No. 16/631,875
Filed by Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
PCT Filed Jul. 20, 2018, PCT No. PCT/US2018/043105 § 371(c)(1), (2) Date Jan. 17, 2020, PCT Pub. No. WO2019/023065, PCT Pub. Date Jan. 31, 2019.
Claims priority of provisional application 62/538,000, filed on Jul. 28, 2017.
Prior Publication US 2020/0147258 A1, May 14, 2020
Int. Cl. A61F 13/53 (2006.01); A61F 13/537 (2006.01); A61L 15/12 (2006.01); A61L 15/20 (2006.01); A61L 15/24 (2006.01); A61L 15/42 (2006.01); A61L 15/60 (2006.01); A61F 13/15 (2006.01); A61F 13/534 (2006.01); A61F 13/535 (2006.01)

CPC A61L 15/425 (2013.01) [A61F 13/53 (2013.01); A61F 13/53713 (2013.01); A61L 15/12 (2013.01); A61L 15/20 (2013.01); A61L 15/24 (2013.01); A61L 15/60 (2013.01); A61F 2013/15463 (2013.01); A61F 2013/15495 (2013.01); A61F 2013/15967 (2013.01); A61F 2013/16 (2013.01); A61F 2013/530489 (2013.01); A61F 2013/530496 (2013.01); A61F 2013/530569 (2013.01); A61F 2013/530605 (2013.01); A61F 2013/5307 (2013.01); A61F 2013/530715 (2013.01); A61F 2013/530737 (2013.01); A61F 2013/5349 (2013.01); A61F 2013/5355 (2013.01); A61L 2400/12 (2013.01)]

22 Claims

1. A feminine care absorbent article comprising an absorbent member positioned between a topsheet and a baffle, wherein the absorbent member contains at least one layer that comprises superabsorbent particles containing nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers, wherein the particles have a total pore area of greater than 2 m²/g.