	US 12,077,905 B2
	Elastic fiber processing agent and elastic fiber
Takeshi Nishigawa, Gamagori (JP); and Keiichiro Oshima, Gamagori (JP)
Assigned to TAKEMOTO YUSHI KABUSHIKI KAISHA, Gamagori (JP)
Appl. No. 18/043,769
Filed by TAKEMOTO YUSHI KABUSHIKI KAISHA, Gamagori (JP)
PCT Filed Sep. 6, 2021, PCT No. PCT/JP2021/032669 § 371(c)(1), (2) Date Mar. 2, 2023, PCT Pub. No. WO2022/050409, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 2020-149964 (JP), filed on Sep. 7, 2020.
Prior Publication US 2023/0243090 A1, Aug. 3, 2023
Int. Cl. D06M 13/02 (2006.01); D06M 13/144 (2006.01); D06M 13/256 (2006.01); D06M 13/292 (2006.01); D06M 15/643 (2006.01); D06M 101/38 (2006.01)

CPC D06M 13/02 (2013.01) [D06M 13/144 (2013.01); D06M 13/256 (2013.01); D06M 13/292 (2013.01); D06M 15/643 (2013.01); D06M 2101/38 (2013.01); D06M 2200/40 (2013.01)]

13 Claims

1. An elastic fiber treatment agent comprising,

a dialkyl sulfosuccinic acid salt; and

as a smoothing agent, a mineral oil with a content ratio of an aromatic component of less than 1% by mass and an aniline point of 70° C. to 110° C., wherein

the mineral oil has a mass ratio between the content of a naphthene component and the content of a paraffin component of such that naphthene component/paraffin component=30 to 50/70 to 50.