US 12,305,334 B2
Tissue paper
Shuta Yasui, Shizuoka (JP); and Minoru Iwasaki, Shizuoka (JP)
Assigned to Daio Paper Corporation, Ehime (JP)
Appl. No. 17/763,326
Filed by Daio Paper Corporation, Ehime (JP)
PCT Filed Sep. 29, 2020, PCT No. PCT/JP2020/036917
§ 371(c)(1), (2) Date Mar. 24, 2022,
PCT Pub. No. WO2021/065911, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-181556 (JP), filed on Oct. 1, 2019.
Prior Publication US 2022/0372710 A1, Nov. 24, 2022
Int. Cl. D21H 27/00 (2006.01); D21H 23/56 (2006.01); D21H 27/30 (2006.01)
CPC D21H 27/002 (2013.01) [D21H 23/56 (2013.01); D21H 27/30 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A tissue paper comprising:
3-ply tissue paper consisting of an internal layer and two outer layers arranged on each side of the internal layer; and
an aqueous moisturizer contained in the 3-ply tissue paper,
wherein a ply of the internal layer contains a lower concentration of a moisturizing chemical solution of the aqueous moisturizer, and a ply of each outer layer contains a higher concentration of the moisturizing chemical solution of the aqueous moisturizer,
wherein the tissue paper has a paper thickness of 176 to 230 μm in three plies, an arithmetic mean roughness Sa of 0.007 to 0.020 mm, a compression work of 1.70 to 2.40 gfcm/cm2 and a compression recovery rate of 46.0 to 54.5% for four sets of three plies, twelve plies in total.