Soybean oil process
Filing Information
- Patent Number: US7112688
- Application Number: US11201948
- Filing date: 08/11/2005
- Issue date: 09/26/2006
- Predicted expiration date: 08/11/2025
Abstract
A solvent extraction free, caustic refining free, process for producing refined soybean oil from soybeans includes the steps of heating cleaned, cracked and dehulled soybeans at a temperature of from 220° F. to 600° F. for from 45 to 60 minutes; mechanically pressing the heated soybeans to separate soybean oil; and heating the extracted oil at a temperature of from about 350° F. to about 500° F. under a vacuum to remove free fatty acids from the soybean oil.References Cited
U.S. Patent Documents
| Document Number | Assignees | Inventors | Issue/Pub Date |
|---|---|---|---|
| US4049686 | Lever Brothers Company | Ringers et al. | Sep 1977 |
| US4089880 | Sullivan Systems Inc. | Sullivan | May 1978 |
| US4255346 | Akzo N.V. | Kock | Mar 1981 |
| US4267118 | John R. Hersh | Trueblood et al. | May 1981 |
| US4515726 | Shell Oil Company | Sullivan | May 1985 |
| US4584141 | Internationale Octrooi Maatschappij "Octropa" B.V. | Paulitz et al. | Apr 1986 |
| US4698185 | Safinco Coordination Center N.V. | Dijkstra et al. | Oct 1987 |
| US4808426 | EPE Incorporated | Strop et al. | Feb 1989 |
| US4944954 | EPE Incorporated | Strop et al. | Jul 1990 |
| US5225230* | West Central Cooperative | Seaman et al. | Jul 1993 |
| US5239096 | Krupp Maschinentechnik GmbH | Rohdenburg et al. | Aug 1993 |
| US5362893 | N.V. Vandemoortele International | Muylle et al. | Nov 1994 |
| US5516924 | Van den Bergh Foods Co., Division of Conopco, Inc. | van de Sande et al. | May 1996 |
| US5981781 | E. I. du Pont de Nemours and Company | Knowlton | Nov 1999 |
| US6033706 | Lipidia Holding S.A. | Silkeberg et al. | Mar 2000 |
Referenced By
| Document Number | Assignee | Inventors | Issue/Pub Date |
|---|---|---|---|
| US7544820 | Carolina Soy Products LLC | Jerry E. Tysinger et al. | Jun 2009 |
Patent Family
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Independent Claims | See all claims (13)
- 1. A process for producing soybean oil from soybeans containing said oil comprising: a) heating said soybeans at a temperature of from 220° F. to 260° F. for from 45 to 60 minutes; b) mechanically pressing said soybeans to separate said oil; and c) heating said separated oil at a temperature of up to about 500° F. under a vacuum to remove free fatty acids from said soybean oil.
- 8. A solvent extraction free, caustic refining free, process for producing refined soybean oil from soybeans comprising: a) heating said soybeans at a temperature of from 220° F. to 260° F. for from 45 to 60 minutes; b) mechanically pressing said soybeans to separate said oil; and c) heating said oil at a temperature of from about 350° F. to about 500° F. under a vacuum to remove free fatty acids from said soybean oil.





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