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US 4,134,840 AGranted
Softener composition for fabrics
AssigneeKao Soap Co., Ltd.
InventorsYutaka Minegishi, Haruhiko Arai
Life of this patent
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Abstract
A fabric softener composition comprising (A) a quaternary ammonium salt having one or two alkyl groups having 11 to 24 carbon atoms and (B) an ether carboxylate, wherein the (A)/(B) mixing molar ratio is from 1/0.5 to 1/1.
Claims8
A softener composition for fabrics consisting essentially of (A) a quaternary ammonium salt having in the molecule one or two alkyl groups having 11 to 24 carbon atoms and (B) an ether carboxylate having the formula:
- RO(CH.sub.2 CH.sub.2 O).sub.p R'COOM
- wherein R is alkyl or alkenyl having 10 to 22 carbon atoms, p is a number of from zero to 5, M is an alkali metal or water-soluble ammonium group, and R' is alkylene having 1 to 3 carbon atoms, the (A)/(B) mixing molar ratio being in the range of from 1/0.5 to 1/1.
Dependencies are inferred from the claim text.