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PE23095A1 - Un proceso para separar compuestos lipofilicos - Google Patents

Un proceso para separar compuestos lipofilicos

Info

Publication number
PE23095A1
PE23095A1 PE1994253065A PE25306594A PE23095A1 PE 23095 A1 PE23095 A1 PE 23095A1 PE 1994253065 A PE1994253065 A PE 1994253065A PE 25306594 A PE25306594 A PE 25306594A PE 23095 A1 PE23095 A1 PE 23095A1
Authority
PE
Peru
Prior art keywords
phase
lipophilic compounds
mixture
urea
solvent
Prior art date
Application number
PE1994253065A
Other languages
English (en)
Inventor
Gunnar Olsson
Tomas Fex
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
Publication of PE23095A1 publication Critical patent/PE23095A1/es

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Steroid Compounds (AREA)

Abstract

CARACTERIZADO POR COMPRENDER: 1) UNA SOLUCION DE UREA EN UN DISOLVENTE INERTE O EN UNA MEZCLA DE DISOLVENTES EN DONDE LOS COMPUESTOS LIPOFILICOS SON LIGERAMENTE SOLUBLES; TAL COMO ALCOHOLES INFERIORES, ALCOHOLES POLIHIDROXILICOS, DIMETILFORMAMIDA, DIMETILSULFOXIDO, METANOL, AGUA; 2) PONER EN CONTACTO LA SOLUCION DE UREA CON LOS COMPUESTOS LIPOFILICOS, FORMANDOSE UNA FASE SUPERIOR DE COMPUESTOS LIPOFILICOS LIBRES Y UNA FASE INFERIOR DE COMPUESTOS LIPOFILICOS QUE FORMAN UN COMPLEJO CON UREA; SIENDO MAS ESTABLES LOS COMPLEJOS FORMADOS POR ACIDOS GRASOS SATURADOS, DE MAYOR LONGITUD DE CADENA Y NO SUSTITUIDOS; 3) SEPARACION DE LAS FASES; 4) CALENTAMIENTO DE LA FASE DE SOLVENTE PARA DESCOMPONER LOS COMPLEJOS; FORMANDOSE UNA FASE SUPERIOR DE COMPUESTOS LIPOFILICOS LIBERADOS Y UNA FASE INFERIOR DE SOLUCION DE UREA QUE PUEDE USARSE PARA UNA NUEVA SEPARACION
PE1994253065A 1993-10-20 1994-10-19 Un proceso para separar compuestos lipofilicos PE23095A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303446A SE9303446D0 (sv) 1993-10-20 1993-10-20 A novel urea fractionation process

Publications (1)

Publication Number Publication Date
PE23095A1 true PE23095A1 (es) 1995-08-15

Family

ID=20391477

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1994253065A PE23095A1 (es) 1993-10-20 1994-10-19 Un proceso para separar compuestos lipofilicos

Country Status (15)

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

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
US20050227911A1 (en) * 2001-09-28 2005-10-13 Solubest Ltd. Hydrophilic dispersions of nanoparticles of inclusion complexes of macromolecules
US6878693B2 (en) 2001-09-28 2005-04-12 Solubest Ltd. Hydrophilic complexes of lipophilic materials and an apparatus and method for their production
US20050233003A1 (en) * 2001-09-28 2005-10-20 Solubest Ltd. Hydrophilic dispersions of nanoparticles of inclusion complexes of salicylic acid
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
EP2429317B2 (en) 2009-04-17 2019-02-20 Natac Pharma, S.L. Compositions rich in omega-3 fatty acids with a low content in phytanic acid
WO2011056982A1 (en) 2009-11-05 2011-05-12 Purdue Research Foundation Method of lowering the cloud point of fatty acid esters
CN105143421A (zh) * 2013-03-13 2015-12-09 帝斯曼营养产品股份公司 从尿素/油复合物回收尿素和油

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0347509A1 (en) * 1988-06-21 1989-12-27 Century Laboratories Inc. A process of extraction and purification of polyunsaturated fatty acids from natural sources
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
AU670723B2 (en) 1996-07-25
JPH09504020A (ja) 1997-04-22
SE9303446D0 (sv) 1993-10-20
EP0724557B1 (en) 1998-08-19
DK0724557T3 (da) 1999-05-25
NO305396B1 (no) 1999-05-25
EP0724557A1 (en) 1996-08-07
CN1051296C (zh) 2000-04-12
NZ274956A (en) 1997-03-24
CN1135747A (zh) 1996-11-13
IS1737B (is) 1999-12-30
ATE169897T1 (de) 1998-09-15
DE69412631D1 (de) 1998-09-24
AU8008594A (en) 1995-05-08
IS4221A (is) 1995-04-21
CA2174426A1 (en) 1995-04-27
NO961507L (no) 1996-04-22
WO1995011216A1 (en) 1995-04-27
US5734071A (en) 1998-03-31
DE69412631T2 (de) 1998-12-24
NO961507D0 (no) 1996-04-17

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed