11.15.05
Patent No. US 6,720,300 B1: Reckitt Benckiser NV, The Netherlands, patented a liquid detergent or cleansing composition that separates into two aqueous phases when left to stand.
The detergent contains at least one surfactant, at least one electrolyte and at least one other compound that promotes phase separation and has at least one hydrophobic element and at least one anionic group.
The detergent contains at least one surfactant, at least one electrolyte and at least one other compound that promotes phase separation and has at least one hydrophobic element and at least one anionic group.