	US 12,441,956 B2
	Detergent composition for fibers
Ayako Kita, Wakayama (JP); Yoshinori Otani, Wakayama (JP); and Hiroki Takumi, Wakayama (JP)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 18/267,876
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Dec. 23, 2021, PCT No. PCT/JP2021/047862 § 371(c)(1), (2) Date Jun. 16, 2023, PCT Pub. No. WO2022/138820, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 2020-217303 (JP), filed on Dec. 25, 2020.
Prior Publication US 2024/0060004 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 1/14 (2006.01); C11D 1/28 (2006.01); D06M 13/256 (2006.01)

CPC C11D 1/14 (2013.01) [C11D 1/28 (2013.01); D06M 13/256 (2013.01); C11D 2111/12 (2024.01)]

8 Claims

1. A friction reducing agent for fibers comprising the following components (a) and (b),

component (a): an internal olefin sulfonate having 18 carbons, and

component (b): a compound comprising a cation and bis-2-propylheptyl sulfosuccinate as an anion;

wherein a proportion of a content of the component (b) to a total content of the components (a) and (b) is 20 mass % to 75 mass %.