	US 12,441,957 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. 18/268,654
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Dec. 23, 2021, PCT No. PCT/JP2021/047861 § 371(c)(1), (2) Date Jun. 21, 2023, PCT Pub. No. WO2022/138819, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 2020-217302 (JP), filed on Dec. 25, 2020.
Prior Publication US 2024/0052261 A1, Feb. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 1/14 (2006.01); C11D 1/831 (2006.01); C11D 3/34 (2006.01)

CPC C11D 1/143 (2013.01) [C11D 1/831 (2013.01); C11D 3/3409 (2013.01); C11D 2111/12 (2024.01)]

12 Claims

1. A detergent composition for fibers comprising the following components (a) and (b),

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

component (b): one or more surfactants selected from the following components (b1) and (b2) (excluding component (a)),

component (b1): at least one anionic surfactant selected from the group consisting of APES and LAS, and

component (b2): one or more nonionic surfactants selected from the group consisting of MEE, C12/14EO₉PO₂EO₉, C12/14EO₁₀, and C12/14PO_3.7EO_16.5,

wherein the composition satisfies at least one of the following requirements (1) and (2),

requirement (1): a proportion of a content of the component (a) to a total content of the components (a) and (b1) is 50 mass % to 75 mass %, and

requirement (2): a proportion of the content of the component (a) to a total content of the components (a) and (b2) is 50 mass % to 75 mass %.