SOAKING DETERGENT COMPOSITION FOR MUD STAIN, METHOD FOR MUD STAIN CLEANING AND DETERGENT COMPOSITION FOR MUD STAIN

摘要

PROBLEM TO BE SOLVED: To obtain a soaking detergent composition for mud stain which simply and epoch-makingly removes even mud stain persistently attached in a wide range to clothes, to provide a cleaning method using the same and to obtain a detergent composition for mud stain.;SOLUTION: The soaking detergent composition comprises (a) oxalic acid and/or 1-hydroxyethane-1,1-diphosphonic acid and (b) one or more kinds selected from the group consisting of an alkyl or alkenyl ether carboxylic acid, its salt and a sulfosuccinic acid ester type anionic surfactant and has pH ≥1 and 5 at 25°C (when the composition is a solid or powder, pH is pH obtained by diluting the component (a) with ion-exchanged water to 1 mass% concentration). The persistent mud stain of a material to be washed is simply removed by soaking treatment of the mud stain. Then the material is washed with a soap-containing detergent composition to effectively remove the persistent mud stain.;COPYRIGHT: (C)2005,JPO&NCIPI