DE60306622D1 - Verfahren zur herstellung von ascorbinsäure - Google Patents
Verfahren zur herstellung von ascorbinsäureInfo
- Publication number
- DE60306622D1 DE60306622D1 DE60306622T DE60306622T DE60306622D1 DE 60306622 D1 DE60306622 D1 DE 60306622D1 DE 60306622 T DE60306622 T DE 60306622T DE 60306622 T DE60306622 T DE 60306622T DE 60306622 D1 DE60306622 D1 DE 60306622D1
- Authority
- DE
- Germany
- Prior art keywords
- klg
- ascorbic acid
- derivative
- solvent
- desorbent
- 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 - Lifetime
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/074,829 US6476239B1 (en) | 2002-02-12 | 2002-02-12 | Process for the preparation of ascorbic acid |
US74829 | 2002-02-12 | ||
PCT/US2003/003973 WO2003068764A1 (en) | 2002-02-12 | 2003-02-10 | Process for the prepatation of ascorbic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60306622D1 true DE60306622D1 (de) | 2006-08-17 |
DE60306622T2 DE60306622T2 (de) | 2006-11-16 |
Family
ID=22121915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60306622T Expired - Lifetime DE60306622T2 (de) | 2002-02-12 | 2003-02-10 | Verfahren zur herstellung von ascorbinsäure |
Country Status (8)
Country | Link |
---|---|
US (1) | US6476239B1 (de) |
EP (1) | EP1474410B1 (de) |
JP (1) | JP2005520817A (de) |
CN (1) | CN1285584C (de) |
AT (1) | ATE332297T1 (de) |
AU (1) | AU2003219729A1 (de) |
DE (1) | DE60306622T2 (de) |
WO (1) | WO2003068764A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1368329B1 (de) | 2000-12-22 | 2005-08-31 | Eastman Chemical Company | Verfahren zur herstellung von ascorbinsäure in gegenwart eines sulfits |
US6872314B2 (en) * | 2003-08-29 | 2005-03-29 | Eastman Chemical Company | Dewatering process |
PT103123A (pt) * | 2004-05-19 | 2005-11-30 | Univ Do Porto | Processo industrial de producao de acetais num reactor adsorptivo de leito movel simulado |
US9441028B2 (en) * | 2008-12-08 | 2016-09-13 | Novo Nordisk A/S | Counter current purification of polypeptides |
PT104496B (pt) * | 2009-04-08 | 2011-03-14 | Univ Do Porto | Reactor de membranas adsorptivo de leito móvel simulado, novo processo híbrido de saparação e respectivas utilizações |
US8658845B2 (en) | 2012-05-23 | 2014-02-25 | Orochem Technologies, Inc. | Process and adsorbent for separating ethanol and associated oxygenates from a biofermentation system |
IN2014DN09575A (de) * | 2012-05-23 | 2015-07-17 | Lanzatech New Zealand Ltd | |
US8704016B2 (en) | 2012-05-23 | 2014-04-22 | Orochem Technologies, Inc. | SMB process for the purification of ethanol and butanediol with integrated regeneration |
US20160297747A1 (en) | 2015-04-08 | 2016-10-13 | Invista North America S.A.R.L. | Materials and methods for the selective recovery of monovalent products from aqueous solutions using continuous ion exchange |
US10265642B2 (en) | 2015-04-10 | 2019-04-23 | Invista North America S.A.R.L. | Process for separation of diamines and/or omega-aminoacids from a feed fixture |
US11097206B2 (en) * | 2016-12-09 | 2021-08-24 | Orochem Technologies Inc. | Method for producing purified steviol product using simulated moving bed chromatography |
CN110327883A (zh) * | 2019-07-13 | 2019-10-15 | 安徽科技学院 | 脱除维生素c溶液色素碳素材料及制备方法及其脱色方法 |
CN110423229A (zh) * | 2019-08-08 | 2019-11-08 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的碱转化法制备维生素c的方法 |
CN110343080A (zh) * | 2019-08-08 | 2019-10-18 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的含氮碱转化法制备维生素c的方法 |
CN110386908A (zh) * | 2019-08-08 | 2019-10-29 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸盐为原料的碱转化法制备维生素c的方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185383A (en) | 1937-04-28 | 1940-01-02 | Charles Pflzer & Company | Preparation of levo-ascorbic acid |
US2491065A (en) | 1941-12-01 | 1949-12-13 | Tno | Process for producing ascorbic acid from 2-keto-levo-gulonic acid or its derivatives |
US2462251A (en) | 1945-05-16 | 1949-02-22 | Merck & Co Inc | Process for preparing ascorbic acids |
US2956070A (en) | 1958-04-29 | 1960-10-11 | American Oil Co | Organic chemical reactions involving liberation of water |
FI69248C (fi) | 1976-12-21 | 1986-01-10 | Mitsubishi Chem Ind | Foerfarande foer reglering av operationsprocessen av en simulerad roerlig baedd |
US4764276A (en) | 1984-07-30 | 1988-08-16 | Advanced Separation Technologies Incorporated | Device for continuous contacting of fluids and solids |
JPH0669521B2 (ja) | 1986-12-23 | 1994-09-07 | 三菱化成エンジニアリング株式会社 | クロマト分離法 |
US4923616A (en) | 1987-09-24 | 1990-05-08 | Mitsubishi Petrochemical Company, Ltd. | Method of separating chemical components in simulated moving bed |
JPH0746097B2 (ja) | 1988-05-17 | 1995-05-17 | 三菱化成エンジニアリング株式会社 | クロマト分離法 |
FR2648136B1 (fr) | 1989-06-12 | 1994-06-17 | Rhone Poulenc Sante | Procede de preparation de l'acide ascorbique |
EP0671405A1 (de) | 1994-01-18 | 1995-09-13 | F. Hoffmann-La Roche Ag | Herstellung von 2-Keto-L-gulonsäureestern |
US5405992A (en) * | 1994-04-28 | 1995-04-11 | Uop | Process for concurrent esterification and separation using a simulated moving bed |
JPH08188578A (ja) * | 1994-11-11 | 1996-07-23 | Takeda Chem Ind Ltd | L−アスコルビン酸の製造方法 |
US6146534A (en) | 1996-08-19 | 2000-11-14 | Reilly Industries, Inc. | Thermally-managed separation and dewatering processes for recovering acid products |
US5502248A (en) * | 1995-02-27 | 1996-03-26 | Uop | Process for concurrent hydrolysis of esters and separation of products using a simulated moving bed |
DE19547073C1 (de) | 1995-12-16 | 1996-11-14 | Merck Patent Gmbh | Verfahren zur Herstellung von Ascorbinsäure |
US6035396A (en) | 1996-07-01 | 2000-03-07 | Iomega Corporation | Method for sharing a storage medium between computers having disparate operating systems |
WO1999003853A1 (de) | 1997-07-16 | 1999-01-28 | Enco Engineering Chur Ag | Verfahren zur herstellung von ascorbat |
DE19919203A1 (de) | 1999-04-28 | 2000-11-02 | Basf Ag | Verfahren zur Herstellung von L-Ascorbinsäure |
US6153791A (en) | 1999-08-02 | 2000-11-28 | Archer-Daniels-Midland Company | Process for purifying 2-keto-L-gulonic acid |
DE19938980A1 (de) | 1999-08-19 | 2001-02-22 | Basf Ag | Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern |
US6740762B2 (en) * | 2001-08-24 | 2004-05-25 | Eastman Chemical Company | Process for ascorbic acids using alkaline earth silicate catalysts |
-
2002
- 2002-02-12 US US10/074,829 patent/US6476239B1/en not_active Expired - Lifetime
-
2003
- 2003-02-10 WO PCT/US2003/003973 patent/WO2003068764A1/en active IP Right Grant
- 2003-02-10 DE DE60306622T patent/DE60306622T2/de not_active Expired - Lifetime
- 2003-02-10 AU AU2003219729A patent/AU2003219729A1/en not_active Abandoned
- 2003-02-10 CN CN03803807.2A patent/CN1285584C/zh not_active Expired - Fee Related
- 2003-02-10 EP EP03716000A patent/EP1474410B1/de not_active Expired - Lifetime
- 2003-02-10 AT AT03716000T patent/ATE332297T1/de not_active IP Right Cessation
- 2003-02-10 JP JP2003567891A patent/JP2005520817A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATE332297T1 (de) | 2006-07-15 |
US6476239B1 (en) | 2002-11-05 |
EP1474410A1 (de) | 2004-11-10 |
JP2005520817A (ja) | 2005-07-14 |
DE60306622T2 (de) | 2006-11-16 |
AU2003219729A1 (en) | 2003-09-04 |
WO2003068764A1 (en) | 2003-08-21 |
CN1285584C (zh) | 2006-11-22 |
CN1633425A (zh) | 2005-06-29 |
EP1474410B1 (de) | 2006-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |