Patent ID: 6344573
Filing Date: 2002-02-05
Classification: C11B,Y02W

Abstract:
A process for extracting and concentrating unsaponifiable components of a starting material having both saponifiable and unsaponifiable components, wherein the starting material is one of an animal or vegetable product, or a by-product or waste product resulting from processing of animal or vegetable products, the process comprising:partially or completely saponifying the saponifiable components of the starting material with a strong base, whereby some or all of the saponifiables therein are converted to their corresponding salts or soaps; reacting the salts or soaps formed from reaction with the strong base with salts or oxides of one or more metals to form a mixture comprising unsaponifiable components and salts or soaps having a lower melting point than the salts or soaps formed from reaction with the strong base; drying the mixture; separating the mixture into unsaponifiable components and a residue; and concentrating the unsaponifiable components.