DE69412631T2 - Ein verfahren zur trennung von lipophilen verbindungen - Google Patents

Ein verfahren zur trennung von lipophilen verbindungen

Info

Publication number
DE69412631T2
DE69412631T2 DE69412631T DE69412631T DE69412631T2 DE 69412631 T2 DE69412631 T2 DE 69412631T2 DE 69412631 T DE69412631 T DE 69412631T DE 69412631 T DE69412631 T DE 69412631T DE 69412631 T2 DE69412631 T2 DE 69412631T2
Authority
DE
Germany
Prior art keywords
phase
lipophilic compounds
mixture
urea
solvent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69412631T
Other languages
English (en)
Other versions
DE69412631D1 (de
Inventor
Tomas Fex
Gunnar Olsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trikonex AB
Original Assignee
Trikonex AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trikonex AB filed Critical Trikonex AB
Application granted granted Critical
Publication of DE69412631D1 publication Critical patent/DE69412631D1/de
Publication of DE69412631T2 publication Critical patent/DE69412631T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
    • C11C1/08—Refining
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
    • C11C1/007—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids using organic solvents
DE69412631T 1993-10-20 1994-10-19 Ein verfahren zur trennung von lipophilen verbindungen Expired - Fee Related DE69412631T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9303446A SE9303446D0 (sv) 1993-10-20 1993-10-20 A novel urea fractionation process
PCT/SE1994/000982 WO1995011216A1 (en) 1993-10-20 1994-10-19 A process for separating lipophilic compounds

Publications (2)

Publication Number Publication Date
DE69412631D1 DE69412631D1 (de) 1998-09-24
DE69412631T2 true DE69412631T2 (de) 1998-12-24

Family

ID=20391477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412631T Expired - Fee Related DE69412631T2 (de) 1993-10-20 1994-10-19 Ein verfahren zur trennung von lipophilen verbindungen

Country Status (15)

Country Link
US (1) US5734071A (de)
EP (1) EP0724557B1 (de)
JP (1) JPH09504020A (de)
CN (1) CN1051296C (de)
AT (1) ATE169897T1 (de)
AU (1) AU670723B2 (de)
CA (1) CA2174426A1 (de)
DE (1) DE69412631T2 (de)
DK (1) DK0724557T3 (de)
IS (1) IS1737B (de)
NO (1) NO305396B1 (de)
NZ (1) NZ274956A (de)
PE (1) PE23095A1 (de)
SE (1) SE9303446D0 (de)
WO (1) WO1995011216A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3461378B2 (ja) * 1994-04-06 2003-10-27 日本化学飼料株式会社 エイコサペンタエン酸又はそのエステルの精製方法
JP3441630B2 (ja) * 1997-08-08 2003-09-02 信越化学工業株式会社 高級不飽和脂肪族エステルの精製方法
US20050233003A1 (en) * 2001-09-28 2005-10-20 Solubest Ltd. Hydrophilic dispersions of nanoparticles of inclusion complexes of salicylic acid
US6878693B2 (en) 2001-09-28 2005-04-12 Solubest Ltd. Hydrophilic complexes of lipophilic materials and an apparatus and method for their production
US20050227911A1 (en) * 2001-09-28 2005-10-13 Solubest Ltd. Hydrophilic dispersions of nanoparticles of inclusion complexes of macromolecules
US7700851B2 (en) * 2001-11-13 2010-04-20 U.S. Smokeless Tobacco Company Tobacco nicotine demethylase genomic clone and uses thereof
NZ518504A (en) 2002-04-22 2005-05-27 Ind Res Ltd Use of near-critical fluids in the separation of saturated and mono-unsaturated fatty acids from urea-containing solutions
KR20020048912A (ko) * 2002-04-26 2002-06-24 이원갑 어패류 내장에서 단백질 분해효소를 이용한 ｄｈａ 및ｅｐａ의 분리방법
US20080268117A1 (en) * 2007-04-30 2008-10-30 David Rubin Method of purifying oils containing epa and dha
CA2756528A1 (en) 2009-04-17 2010-10-21 Celavista Pharmaceuticals Limited Compositions rich in omega-3 fatty acids with a low content in phytanic acid
EP2496546B1 (de) 2009-11-05 2016-01-27 Purdue Research Foundation Verfahren zur senkung des trübungspunktes von fettsäurestern
ES2944869T3 (es) * 2013-03-13 2023-06-26 Dsm Nutritional Products Ag Recuperación de urea y aceite de un complejo urea/aceite

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0347509A1 (de) * 1988-06-21 1989-12-27 Century Laboratories Inc. Verfahren zur Extraktion und Reinigung von polyungesättigten Fettsäuren aus Naturquellen
NO157302C (no) * 1985-12-19 1988-02-24 Norsk Hydro As Fremgangsmaate for fremstilling av et fiskeoljekonsentrat.
CH669208A5 (fr) * 1986-12-17 1989-02-28 Nestle Sa Procede de fractionnement en continu d'un melange d'acides gras.
JPH07107158B2 (ja) * 1989-01-06 1995-11-15 日本水産株式会社 連続式尿素付加分別法およびその装置
NL8902182A (nl) * 1989-08-29 1991-03-18 Unilever Nv Werkwijze voor het opwerken van vetzuren en hieruit bereide esters met een laag stolpunt.
US5078920A (en) * 1990-04-27 1992-01-07 Cpc International Inc. Process for separating mixed fatty acids from deodorizer distillate using urea

Also Published As

Publication number Publication date
JPH09504020A (ja) 1997-04-22
WO1995011216A1 (en) 1995-04-27
DE69412631D1 (de) 1998-09-24
ATE169897T1 (de) 1998-09-15
CN1135747A (zh) 1996-11-13
SE9303446D0 (sv) 1993-10-20
NO305396B1 (no) 1999-05-25
NO961507D0 (no) 1996-04-17
EP0724557A1 (de) 1996-08-07
US5734071A (en) 1998-03-31
PE23095A1 (es) 1995-08-15
CN1051296C (zh) 2000-04-12
DK0724557T3 (da) 1999-05-25
CA2174426A1 (en) 1995-04-27
IS1737B (is) 1999-12-30
NO961507L (no) 1996-04-22
AU670723B2 (en) 1996-07-25
NZ274956A (en) 1997-03-24
AU8008594A (en) 1995-05-08
IS4221A (is) 1995-04-21
EP0724557B1 (de) 1998-08-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee