SE9303446D0 - A novel urea fractionation process - Google Patents

A novel urea fractionation process

Info

Publication number
SE9303446D0
SE9303446D0 SE9303446A SE9303446A SE9303446D0 SE 9303446 D0 SE9303446 D0 SE 9303446D0 SE 9303446 A SE9303446 A SE 9303446A SE 9303446 A SE9303446 A SE 9303446A SE 9303446 D0 SE9303446 D0 SE 9303446D0
Authority
SE
Sweden
Prior art keywords
phase
lipophilic compounds
mixture
urea
solvent
Prior art date
Application number
SE9303446A
Other languages
English (en)
Swedish (sv)
Inventor
Tomas Fex
Gunnar Olsson
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
Priority to SE9303446A priority Critical patent/SE9303446D0/xx
Publication of SE9303446D0 publication Critical patent/SE9303446D0/xx
Priority to IS4221A priority patent/IS1737B/is
Priority to CA002174426A priority patent/CA2174426A1/en
Priority to DK94931255T priority patent/DK0724557T3/da
Priority to AT94931255T priority patent/ATE169897T1/de
Priority to NZ274956A priority patent/NZ274956A/en
Priority to JP7511695A priority patent/JPH09504020A/ja
Priority to AU80085/94A priority patent/AU670723B2/en
Priority to US08/628,703 priority patent/US5734071A/en
Priority to CN94194240A priority patent/CN1051296C/zh
Priority to EP94931255A priority patent/EP0724557B1/en
Priority to DE69412631T priority patent/DE69412631T2/de
Priority to PE1994253065A priority patent/PE23095A1/es
Priority to PCT/SE1994/000982 priority patent/WO1995011216A1/en
Priority to NO961507A priority patent/NO305396B1/no

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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • Wood Science & Technology (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)
SE9303446A 1993-10-20 1993-10-20 A novel urea fractionation process SE9303446D0 (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9303446A SE9303446D0 (sv) 1993-10-20 1993-10-20 A novel urea fractionation process
IS4221A IS1737B (is) 1993-10-20 1994-10-18 Aðferð við að skilja í sundur fituleysanleg efnasambönd
PCT/SE1994/000982 WO1995011216A1 (en) 1993-10-20 1994-10-19 A process for separating lipophilic compounds
JP7511695A JPH09504020A (ja) 1993-10-20 1994-10-19 親油性化合物の製造方法
DK94931255T DK0724557T3 (da) 1993-10-20 1994-10-19 Fremgangsmåde til adskillelse af lipofile forbindelser
AT94931255T ATE169897T1 (de) 1993-10-20 1994-10-19 Ein verfahren zur trennung von lipophilen verbindungen
NZ274956A NZ274956A (en) 1993-10-20 1994-10-19 Process for separating lipophilic compounds using urea fractionation
CA002174426A CA2174426A1 (en) 1993-10-20 1994-10-19 A process for separating lipophilic compounds
AU80085/94A AU670723B2 (en) 1993-10-20 1994-10-19 A process for separating lipophilic compounds
US08/628,703 US5734071A (en) 1993-10-20 1994-10-19 Process for separating lipophilic compounds
CN94194240A CN1051296C (zh) 1993-10-20 1994-10-19 分离亲油化合物的方法
EP94931255A EP0724557B1 (en) 1993-10-20 1994-10-19 A process for separating lipophilic compounds
DE69412631T DE69412631T2 (de) 1993-10-20 1994-10-19 Ein verfahren zur trennung von lipophilen verbindungen
PE1994253065A PE23095A1 (es) 1993-10-20 1994-10-19 Un proceso para separar compuestos lipofilicos
NO961507A NO305396B1 (no) 1993-10-20 1996-04-17 FremgangsmÕte til separering av lipofile forbindelser

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
SE9303446D0 true SE9303446D0 (sv) 1993-10-20

Family

ID=20391477

Family Applications (1)

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

Country Status (15)

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

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
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
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
ES2574136T5 (es) 2009-04-17 2019-08-30 Natac Pharma S L Composiciones ricas en ácidos grasos omega 3 con un bajo contenido en ácido fitánico
CA2779833A1 (en) 2009-11-05 2011-05-12 Purdue Research Foundation Method of lowering the cloud point of fatty acid esters
WO2014140864A2 (en) * 2013-03-13 2014-09-18 Dsm Nutritional Products Ag Recovering urea and oil from a urea/oil complex

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
DE69412631D1 (de) 1998-09-24
AU8008594A (en) 1995-05-08
ATE169897T1 (de) 1998-09-15
US5734071A (en) 1998-03-31
IS4221A (is) 1995-04-21
CN1051296C (zh) 2000-04-12
DE69412631T2 (de) 1998-12-24
DK0724557T3 (da) 1999-05-25
WO1995011216A1 (en) 1995-04-27
NO961507L (no) 1996-04-22
PE23095A1 (es) 1995-08-15
IS1737B (is) 1999-12-30
CN1135747A (zh) 1996-11-13
JPH09504020A (ja) 1997-04-22
AU670723B2 (en) 1996-07-25
EP0724557B1 (en) 1998-08-19
EP0724557A1 (en) 1996-08-07
NO961507D0 (no) 1996-04-17
NO305396B1 (no) 1999-05-25
CA2174426A1 (en) 1995-04-27
NZ274956A (en) 1997-03-24

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