	US 12,171,846 B2
	Nonwoven fabric for skin care products, face mask, and cleansing sheet
Kumi Oyama, Otsu (JP); Hiroshi Kajiyama, Otsu (JP); and Makoto Nakahara, Otsu (JP)
Assigned to Toray Industries, Inc., Tokyo (JP)
Appl. No. 17/280,530
Filed by Toray Industries, Inc., Tokyo (JP)
PCT Filed Sep. 26, 2019, PCT No. PCT/JP2019/037824 § 371(c)(1), (2) Date Mar. 26, 2021, PCT Pub. No. WO2020/071228, PCT Pub. Date Apr. 9, 2020.
Claims priority of application No. 2018-187161 (JP), filed on Oct. 2, 2018.
Prior Publication US 2022/0040050 A1, Feb. 10, 2022
Int. Cl. A61K 8/02 (2006.01); A45D 44/00 (2006.01); A61K 8/73 (2006.01); A61K 8/88 (2006.01); A61Q 19/10 (2006.01); D04H 1/4258 (2012.01); D04H 1/4334 (2012.01); D04H 1/4382 (2012.01); D04H 1/492 (2012.01); B82Y 40/00 (2011.01)

CPC A61K 8/0212 (2013.01) [A61K 8/73 (2013.01); A61K 8/88 (2013.01); A61Q 19/10 (2013.01); D04H 1/4334 (2013.01); D04H 1/4383 (2020.05); D04H 1/43835 (2020.05); D04H 1/43838 (2020.05); D04H 1/492 (2013.01); B82Y 40/00 (2013.01); D10B 2201/24 (2013.01); D10B 2331/02 (2013.01)]

7 Claims

1. A nonwoven fabric for skin care products, the nonwoven skin care fabric comprising:

a thermoplastic resin fiber having a single fiber diameter of 50 nm or more and 800 nm or less;

a cellulose fiber, wherein

a tensile strength of the cellulose fiber measured in accordance with JIS L 1015:2010 8.7.2 is 1.9 cN/dtex or less,

a content ratio by mass of the thermoplastic resin fiber and the cellulose fiber is 0.23 to 1.50, and

a density of the nonwoven skin care fabric is 0.08 g/cm³to 0.16 g/cm³,

wherein the nonwoven fabric further comprises a polyethylene terephthalate fiber having a single fiber fineness of 1.6 dtex or more, a sectional shape of the plyethylene terephthalate fiber being a flat section.