Patent ID: 6310031
Filing Date: 2001-10-30
Classification: C11D

Abstract:
A method of inhibiting redeposition of soil on fabrics during washing as a result of the presence of polyquaternary compounds on the fabric comprising:a. forming a wash liquor by mixing a laundry detergent with wash water;b. contacting a fabric containing one or more polyquaternary compounds and soil with the wash liquor; and,c. providing an amount of a sulfonated material effective to prevent redeposition of the soil on the fabric in the presence of polyquaternary compounds, wherein the sulfonated material is selected from the group of sulfonated polymers, sulfonated copolymers, and mixtures thereof, wherein the degree of sulfonation is greater than 10%, and wherein the sulfonated material is present while the fabric is in contact with the wash liquor.