DK1523477T3 - Fremgangsmåde til separering af ascorbinsyre fra et polært ascorbinsyre- og 2-keto-L-gulonsyreholdigt oplösningsmiddel - Google Patents

Fremgangsmåde til separering af ascorbinsyre fra et polært ascorbinsyre- og 2-keto-L-gulonsyreholdigt oplösningsmiddel

Info

Publication number
DK1523477T3
DK1523477T3 DK03763731T DK03763731T DK1523477T3 DK 1523477 T3 DK1523477 T3 DK 1523477T3 DK 03763731 T DK03763731 T DK 03763731T DK 03763731 T DK03763731 T DK 03763731T DK 1523477 T3 DK1523477 T3 DK 1523477T3
Authority
DK
Denmark
Prior art keywords
ascorbic acid
acid
keto
polar
gulonic
Prior art date
Application number
DK03763731T
Other languages
English (en)
Inventor
Gerd Kaibel
Martin Merger
Thomas Domschke
Petra Deckert
Friedrich Sauer
Original Assignee
Basf Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30009983&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1523477(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of DK1523477T3 publication Critical patent/DK1523477T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
DK03763731T 2002-07-12 2003-07-07 Fremgangsmåde til separering af ascorbinsyre fra et polært ascorbinsyre- og 2-keto-L-gulonsyreholdigt oplösningsmiddel DK1523477T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10231890A DE10231890B4 (de) 2002-07-12 2002-07-12 Verfahren zur Abtrennung von Ascorbinsäure aus einem polaren, Ascorbinsäure und 2-Keto-L-gulonsäure enthaltenden Lösungsmittel

Publications (1)

Publication Number Publication Date
DK1523477T3 true DK1523477T3 (da) 2006-01-16

Family

ID=30009983

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03763731T DK1523477T3 (da) 2002-07-12 2003-07-07 Fremgangsmåde til separering af ascorbinsyre fra et polært ascorbinsyre- og 2-keto-L-gulonsyreholdigt oplösningsmiddel

Country Status (10)

Country Link
US (1) US7696360B2 (da)
EP (1) EP1523477B1 (da)
CN (1) CN100352811C (da)
AT (1) ATE308534T1 (da)
AU (1) AU2003246393A1 (da)
CA (1) CA2492155A1 (da)
DE (2) DE10231890B4 (da)
DK (1) DK1523477T3 (da)
ES (1) ES2250914T3 (da)
WO (1) WO2004007474A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103641804A (zh) * 2013-12-18 2014-03-19 江苏江山制药有限公司 回收成品维生素c结晶母液的方法
CN114369075B (zh) * 2022-02-14 2023-09-29 河北乐开节能科技股份有限公司 利用2-酮基-l-古龙酸的水溶液一步制备vc结晶的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH187933A (de) 1933-12-09 1936-11-30 Hoffmann La Roche Verfahren zur Darstellung von 1-Ascorbinsäure (C-Vitamin).
CH490368A (fr) 1968-02-01 1970-05-15 Politechnika Slaska Im Wincent Procédé de production de vitamine C
IL39710A (en) * 1972-06-19 1975-04-25 Imi Inst For Res & Dev Recovery of acids from aqueous solutions by solvent extraction
JPS6019285B2 (ja) 1977-02-07 1985-05-15 武田薬品工業株式会社 分別方法
US4111958A (en) * 1977-06-03 1978-09-05 Pfizer Inc. Ascorbic acid synthesis
EP0086324B1 (de) * 1982-02-12 1988-09-21 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Verfahren zur Herstellung von Ascorbinsäure
DE3831071A1 (de) 1988-09-13 1990-03-15 Basf Ag Verfahren zur isolierung von 2-keto-polyhydroxy-c(pfeil abwaerts)6(pfeil abwaerts)-carbonsaeuren, insbesondere von 2-keto-l-gulonsaeure aus waessrigen fermentationsaustraegen
FR2636343B1 (da) 1988-09-13 1994-11-25 Rhone Poulenc Sante
EP0828725B1 (en) * 1995-05-31 2001-07-25 Yissum Research Development Company Of The Hebrew University Of Jerusalem Process for the recovery of ascorbic acid
DE19919203A1 (de) * 1999-04-28 2000-11-02 Basf Ag Verfahren zur Herstellung von L-Ascorbinsäure
US6610863B2 (en) * 2000-12-22 2003-08-26 Eastman Chemical Company Continuous process for producing L-ascorbic acid

Also Published As

Publication number Publication date
US20050197504A1 (en) 2005-09-08
DE10231890B4 (de) 2004-07-01
EP1523477B1 (de) 2005-11-02
DE50301577D1 (de) 2005-12-08
ES2250914T3 (es) 2006-04-16
CA2492155A1 (en) 2004-01-22
ATE308534T1 (de) 2005-11-15
AU2003246393A1 (en) 2004-02-02
US7696360B2 (en) 2010-04-13
CN1668607A (zh) 2005-09-14
WO2004007474A1 (de) 2004-01-22
DE10231890A1 (de) 2004-02-05
EP1523477A1 (de) 2005-04-20
CN100352811C (zh) 2007-12-05

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