ATE212624T1 - Verfahren zur gewinnung von ascorbinsäure - Google Patents
Verfahren zur gewinnung von ascorbinsäureInfo
- Publication number
- ATE212624T1 ATE212624T1 AT97952304T AT97952304T ATE212624T1 AT E212624 T1 ATE212624 T1 AT E212624T1 AT 97952304 T AT97952304 T AT 97952304T AT 97952304 T AT97952304 T AT 97952304T AT E212624 T1 ATE212624 T1 AT E212624T1
- Authority
- AT
- Austria
- Prior art keywords
- ascorbic acid
- extractant composition
- extractant
- precursor
- aqueous solution
- Prior art date
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)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Furan Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11973296A IL119732A0 (en) | 1996-12-01 | 1996-12-01 | A process for recovery of ascorbic acid |
PCT/US1997/022395 WO1998024777A1 (en) | 1996-12-01 | 1997-11-25 | A process for recovery of ascorbic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE212624T1 true ATE212624T1 (de) | 2002-02-15 |
Family
ID=11069536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT97952304T ATE212624T1 (de) | 1996-12-01 | 1997-11-25 | Verfahren zur gewinnung von ascorbinsäure |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0941220B1 (de) |
JP (1) | JP2001505581A (de) |
AT (1) | ATE212624T1 (de) |
AU (1) | AU5594798A (de) |
BR (1) | BR9713307A (de) |
CA (1) | CA2271856A1 (de) |
DE (1) | DE69710212T2 (de) |
ES (1) | ES2168146T3 (de) |
IL (1) | IL119732A0 (de) |
WO (1) | WO1998024777A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6172242B1 (en) | 1996-05-31 | 2001-01-09 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | Process for the production of erythorbic acid |
US6982026B2 (en) | 2001-03-15 | 2006-01-03 | Tate & Lyle Ingredients Americas, Inc. | Azeotropic distillation process for producing organic acids or organic acid amides |
US6926810B2 (en) | 2001-03-15 | 2005-08-09 | A. E. Staley Manufacturing Co. | Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
US6984293B2 (en) | 2001-03-15 | 2006-01-10 | Tate & Lyle Ingredients | Azeotropic distillation of cyclic esters of hydroxy organic acids |
CN105061368A (zh) * | 2015-08-06 | 2015-11-18 | 常州思宇环保材料科技有限公司 | 一种从玫瑰花中提取维生素c的方法 |
CN106588839A (zh) * | 2016-12-30 | 2017-04-26 | 云南中医学院 | 一种甜柿维生素c的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL39710A (en) * | 1972-06-19 | 1975-04-25 | Imi Inst For Res & Dev | Recovery of acids from aqueous solutions by solvent extraction |
EP0086324B1 (de) * | 1982-02-12 | 1988-09-21 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Verfahren zur Herstellung von Ascorbinsäure |
DK307386A (da) * | 1985-07-05 | 1987-01-06 | Takeda Chemical Industries Ltd | Fremgangsmaade til rensning af l-ascorbinsyre |
WO1996038433A1 (en) * | 1995-05-31 | 1996-12-05 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | Process and compositions for the recovery of ascorbic acid |
-
1996
- 1996-12-01 IL IL11973296A patent/IL119732A0/xx unknown
-
1997
- 1997-11-25 AU AU55947/98A patent/AU5594798A/en not_active Abandoned
- 1997-11-25 ES ES97952304T patent/ES2168146T3/es not_active Expired - Lifetime
- 1997-11-25 WO PCT/US1997/022395 patent/WO1998024777A1/en active IP Right Grant
- 1997-11-25 CA CA002271856A patent/CA2271856A1/en not_active Abandoned
- 1997-11-25 JP JP52585298A patent/JP2001505581A/ja not_active Ceased
- 1997-11-25 BR BR9713307A patent/BR9713307A/pt not_active IP Right Cessation
- 1997-11-25 AT AT97952304T patent/ATE212624T1/de not_active IP Right Cessation
- 1997-11-25 DE DE69710212T patent/DE69710212T2/de not_active Expired - Fee Related
- 1997-11-25 EP EP97952304A patent/EP0941220B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IL119732A0 (en) | 1997-03-18 |
EP0941220A1 (de) | 1999-09-15 |
BR9713307A (pt) | 2000-03-21 |
EP0941220B1 (de) | 2002-01-30 |
CA2271856A1 (en) | 1998-06-11 |
AU5594798A (en) | 1998-06-29 |
JP2001505581A (ja) | 2001-04-24 |
ES2168146T3 (es) | 2002-06-01 |
DE69710212T2 (de) | 2002-08-14 |
WO1998024777A1 (en) | 1998-06-11 |
DE69710212D1 (de) | 2002-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |
Ref document number: 0941220 Country of ref document: EP |
|
REN | Ceased due to non-payment of the annual fee |