Title:
PROCESS FOR REMOVING UNSAPONIFIABLE MATERIALS FROM A FATTY ACID
Document Type and Number:
WIPO Patent Application WO2001025375
Kind Code:
A3
Abstract:
A process for purifying a fatty acid containing unwanted unsaponifiable materials involving: (a) providing a C4-C26 fatty acid starting material containing unsaponifiable materials; (b) reacting the fatty acid starting material with a zinc oxide component to form a zinc soap; (c) heating the zinc soap; (d) distilling the unsaponifiable materials from the zinc soap; (e) cooling the purified zinc soap; (f) adding a neutralizing acid component to the purified zinc soap to form a mixture containing a zinc salt and an organic layer containing clean fatty acid; and (g) distilling the purified fatty acid from the organic layer.
Inventors:
SUBLETT MICHAEL D
Application Number:
PCT/US2000/026327
Publication Date:
December 06, 2001
Filing Date:
September 26, 2000
Export Citation:
Assignee:
COGNIS CORP (US)
International Classes:
C07C51/487; C11C1/08; (IPC1-7): C11B3/08
Foreign References:
| US4151160A | 1979-04-24 | |||
| US6111120A | 2000-08-29 |
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