Title:
NEW METHODS FOR THE PREPARATION OF PROPYLENE GLYCOL FATTY ACID ESTERS
Document Type and Number:
WIPO Patent Application WO2003014271
Kind Code:
A3
Abstract:
A process of producing a light-colored, high-monoester mixture from a polyol and an oil is provided wherein the process eliminates the use of organic solvents, multiple water washings and/or molecular distillation. The reactants, a polyol and an oil, described herein, condense in the presence of a catalyst, described herein, at a temperature range from about 180 DEG C to about 280 DEG C under an inert atmosphere or the vapor pressure of the polyol with a pressure of about 0 to about 500 psig to yield a monoester mixture possessing a desirable monoester composition and color. The present process yields a final product similar to that of processes which require the use of solvents, multiple water washings and/or molecular distillation.
Inventors:
LEE INMOK
POPPE GEORGE
POPPE GEORGE
Application Number:
PCT/US2002/025164
Publication Date:
June 12, 2003
Filing Date:
August 09, 2002
Export Citation:
Assignee:
ARCHER DANIELS MIDLAND CO (US)
International Classes:
C07C67/03; C11C3/00; C11C3/10; (IPC1-7): C11C1/00
Foreign References:
| US5648483A | 1997-07-15 | |||
| US5986117A | 1999-11-16 | |||
| US5491226A | 1996-02-13 |
Download PDF: