Method to recover free fatty acids from fats and oils
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United States of America Patent
Stats
-
Aug 18, 2020
Grant Date -
Dec 20, 2018
app pub date -
Aug 27, 2018
filing date -
Nov 13, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods for producing oil from distillers corn oil having high free fatty acid content are provided. In the method, distiller's corn oil is treated with a mixture including an alcohol to result in a low-free fatty acid oily phase and an alcohol phase. The mixture may also include an alkali. The alcohol may be a monohydric alcohol and an aqueous alcohol, such as an aqueous alcohol having a concentration of at least about 15% alcohol-by-weight. The low-free fatty acid phase may include oil and at least one impurity. The low-free fatty acid phase may be cooled, and the oil may be separated from the at least one impurity using membrane filtration.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- C11B Class
- 241 Applications Filed
- 149 Patents Issued To-Date
- 61.83 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 7 Citation Count
- C11B Class
- 73.47 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 18, 2028 |
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