SMB process for producing highly pure EPA from fish oil
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United States of America Patent
Stats
-
Apr 19, 2016
Grant Date -
Jun 18, 2015
app pub date -
Jul 6, 2012
filing date -
Jul 6, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a chromatographic separation process for recovering a polyunsaturated fatty acid (PUFA) product from a feed mixture which is a fish oil or which is derived from fish oil, which process comprises the steps of: (i) purifying the feed mixture in a chromatographic separation step, to obtain a first intermediate product; and (ii) purifying the first intermediate product obtained in (i) in a simulated or actual moving bed chromatographic separation step, to obtain a second intermediate product; and (iii) purifying the second intermediate product obtained in (ii) in a simulated or actual moving bed chromatographic separation step, to obtain the PUFA product; wherein an aqueous organic solvent is used as eluent in each separation step; saturated and/or monounsaturated fatty acids present in the feed mixture are removed in the first separation step; the PUFA product is separated from different components of the feed mixture in steps (ii) and (iii); and the PUFA product obtained in the third separation step contains EPA or an EPA derivative in an amount greater than 90 wt %.
First Claim
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International Classification(s)
- 2012 Application Filing Year
- C11B Class
- 658 Applications Filed
- 158 Patents Issued To-Date
- 24.02 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C11B Class
- 32.43 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 19, 2027 |
