Patent No. U.S. 7,427,585 B2
Kao Corporation, Tokyo, has been awarded a U.S. patent covering a framed soap composition that contains water and the following ingredients: (a) 25-60% of a fatty acid soap containing not greater than 20% of insolubles; (b) 0.1-5% of sodium chloride; (c) 0.1-5% of sodium sulfate; (d) 5-30% of a polyol selected from the group consisting of glycerin and sorbitol; and (e) from 25-50% of water. The total contents of ingredients b and c is from 1-10%, and wherein the weight ratio of ingredient b to ingredient c is from 1:4 to 6:1. The composition is further comprised of 10-80% of a volume fraction of gas bubbles obtained by aeration treatment.