Patent ID: 6774098
Filing Date: 2004-08-10
Classification: C11D

Abstract:
A method for removing a menstrual fluid or underarm perspiration stain from a soft fabric article, said method comprising the steps of:(i) providing a cleaner; and (ii) contacting said cleaner with said stain on said soft fabric article for at least one minute, wherein said cleaner comprises; (a) a surfactant selected from the group consisting of anionic, nonionic surfactants, and mixtures thereof, with optionally, a quaternary ammonium surfactant, the total amount of surfactant being present from about 0.001-10% by weight; (b) at least one water-soluble or dispersible organic solvent having a vapor pressure of at least 0.001 mm Hg at 25Â° C., said at least one organic solvent being selected from the group consisting of alkanols, diols, glycol ethers, and mixtures thereof present in an amount from about 1% to 50% by weight of said cleaner; (c) tetrapotassium ethylenediamine-tetraacetate (potassium EDTA) as a chelating agent, said potassium EDTA present from about 0.01-25% weight-of said cleaner; and (d) water.