DK307386A - Fremgangsmaade til rensning af l-ascorbinsyre - Google Patents
Fremgangsmaade til rensning af l-ascorbinsyre Download PDFInfo
- Publication number
- DK307386A DK307386A DK307386A DK307386A DK307386A DK 307386 A DK307386 A DK 307386A DK 307386 A DK307386 A DK 307386A DK 307386 A DK307386 A DK 307386A DK 307386 A DK307386 A DK 307386A
- Authority
- DK
- Denmark
- Prior art keywords
- cleaning
- ascorbic acid
- ascorbic
- acid
- 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)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14892185 | 1985-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK307386D0 DK307386D0 (da) | 1986-06-27 |
| DK307386A true DK307386A (da) | 1987-01-06 |
Family
ID=15463636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK307386A DK307386A (da) | 1985-07-05 | 1986-06-27 | Fremgangsmaade til rensning af l-ascorbinsyre |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4778902A (da) |
| JP (1) | JPH0696568B2 (da) |
| CN (1) | CN1006638B (da) |
| DE (1) | DE3621806A1 (da) |
| DK (1) | DK307386A (da) |
| GB (1) | GB2179354B (da) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677181B1 (en) * | 1992-12-30 | 1997-05-14 | Cultor Ltd. | Recovery of erythorbates from photographic solutions |
| JPH08176133A (ja) * | 1994-12-26 | 1996-07-09 | Takeda Chem Ind Ltd | Ｌ−アスコルビン酸の精製法 |
| IL119732A0 (en) * | 1996-12-01 | 1997-03-18 | Yissum Res Dev Co | A process for recovery of ascorbic acid |
| US6169187B1 (en) | 1996-12-01 | 2001-01-02 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | Process for recovery of ascorbic acid |
| JP2000103759A (ja) * | 1998-09-29 | 2000-04-11 | Daicel Chem Ind Ltd | ソルビン酸又はその塩の製造法 |
| JP2004516319A (ja) | 2000-12-22 | 2004-06-03 | イーストマン ケミカル カンパニー | 亜硫酸塩の存在下でのアスコルビン酸の製造方法 |
| US6716997B1 (en) | 2001-10-09 | 2004-04-06 | Eastman Chemical Company | Systems and methods for generation of ascorbic acid with reduced color |
| WO2003031427A1 (en) * | 2001-10-09 | 2003-04-17 | Eastman Chemical Company | Systems and methods for generation of ascorbic acid with reduced color |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2416227C3 (de) * | 1974-04-03 | 1980-04-30 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Entfernung von Katalysatoren aus flüssigen Reaktionsgemischen |
| JPS5398955A (en) * | 1977-02-07 | 1978-08-29 | Takeda Chem Ind Ltd | Purification of l-ascorbic acid or its isomer |
-
1986
- 1986-06-27 DK DK307386A patent/DK307386A/da not_active Application Discontinuation
- 1986-06-28 DE DE19863621806 patent/DE3621806A1/de not_active Withdrawn
- 1986-07-01 US US06/880,821 patent/US4778902A/en not_active Expired - Lifetime
- 1986-07-02 GB GB08616181A patent/GB2179354B/en not_active Expired
- 1986-07-02 JP JP61156825A patent/JPH0696568B2/ja not_active Expired - Lifetime
- 1986-07-04 CN CN86104421A patent/CN1006638B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62103075A (ja) | 1987-05-13 |
| GB2179354B (en) | 1989-01-18 |
| CN86104421A (zh) | 1987-02-04 |
| DK307386D0 (da) | 1986-06-27 |
| DE3621806A1 (de) | 1987-01-08 |
| JPH0696568B2 (ja) | 1994-11-30 |
| US4778902A (en) | 1988-10-18 |
| GB2179354A (en) | 1987-03-04 |
| CN1006638B (zh) | 1990-01-31 |
| GB8616181D0 (en) | 1986-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |