METHOD OF PRODUCING DETERGENT FOR PERSONAL HYGIENE Russian patent published in 1994 - IPC

FIELD: perfumery and cosmetic industry. SUBSTANCE: soap base is prepared by mixing vegetable oil with alkali ethyl alcohol and with water at 60-90 C. The process is followed by cooling, filtration and packing. 40-50% solution of potassium hydroxide is fed by portions diluted by water. Ethyl alcohol is fed at 85-90 C and cooled to 20-25 C. Alcohol-glycerin vegetable extracts and odorant are added after filtration at 38-42 C. Then alcohol extract of viburnum, carrot, mountain-ash, beet or spruce extract are added as dye. EFFECT: improves efficiency of the method.