US 11,707,390 B2
Absorbent articles having a secondary topsheet
Fancheng Wang, Beijing (CN); Tong Jia, Beijing (CN); Xiaoxin Liu, Beijing (CN); and Zifang An, Beijing (CN)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jul. 24, 2018, as Appl. No. 16/43,207.
Claims priority of application No. PCT/CN2017/094047 (WO), filed on Jul. 24, 2017.
Prior Publication US 2019/0021917 A1, Jan. 24, 2019
Int. Cl. A61F 13/512 (2006.01); A61F 13/511 (2006.01); A61L 15/28 (2006.01); A61L 15/24 (2006.01); A61L 15/26 (2006.01); A61L 15/42 (2006.01); A61F 13/51 (2006.01)
CPC A61F 13/5123 (2013.01) [A61F 13/512 (2013.01); A61F 13/5116 (2013.01); A61L 15/24 (2013.01); A61L 15/26 (2013.01); A61L 15/28 (2013.01); A61L 15/425 (2013.01); A61F 2013/51019 (2013.01); A61F 2013/51021 (2013.01); A61F 2013/51026 (2013.01); A61F 2013/5127 (2013.01); A61F 2013/51033 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An absorbent article comprising a liquid permeable topsheet, a liquid impermeable sheet, an absorbent core disposed between the topsheet and the backsheet, and a secondary topsheet disposed between the topsheet and the absorbent core,
wherein the secondary topsheet comprises a first layer and a second layer, the first layer being located between the topsheet and the second layer,
wherein a mean pore size of the first layer is larger than a mean pore size of the topsheet;
wherein the mean pore size is determined by the pore size measurement method defined in the test methods section herein.