NO943063L - Eddiksyreutvinning - Google Patents
EddiksyreutvinningInfo
- Publication number
- NO943063L NO943063L NO943063A NO943063A NO943063L NO 943063 L NO943063 L NO 943063L NO 943063 A NO943063 A NO 943063A NO 943063 A NO943063 A NO 943063A NO 943063 L NO943063 L NO 943063L
- Authority
- NO
- Norway
- Prior art keywords
- acetic acid
- acid extraction
- extraction
- acetic
- acid
- Prior art date
Links
Classifications
-
- 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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/798,361 US5183937A (en) | 1990-02-07 | 1991-11-21 | Acetic acid recovery |
| PCT/US1993/000987 WO1994017025A1 (en) | 1991-11-21 | 1993-01-28 | Acetic acid recovery |
| CN93102403A CN1037174C (zh) | 1991-11-21 | 1993-02-27 | 乙酸的回收方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO943063D0 NO943063D0 (no) | 1994-08-19 |
| NO943063L true NO943063L (no) | 1994-08-19 |
| NO303282B1 NO303282B1 (no) | 1998-06-22 |
Family
ID=36808335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO943063A NO303282B1 (no) | 1991-11-21 | 1994-08-19 | FremgangsmÕte ved fremstilling av N-formylasparaginsyreanhydrid |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5183937A (no) |
| EP (1) | EP0632798A4 (no) |
| JP (1) | JP2788787B2 (no) |
| CN (1) | CN1037174C (no) |
| AU (1) | AU663365B2 (no) |
| FI (1) | FI944482L (no) |
| NO (1) | NO303282B1 (no) |
| WO (1) | WO1994017025A1 (no) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183937A (en) * | 1990-02-07 | 1993-02-02 | The Nutrasweet Company | Acetic acid recovery |
| JP3591004B2 (ja) * | 1994-09-28 | 2004-11-17 | 味の素株式会社 | N−ホルミル−l−アスパラギン酸無水物の製造方法 |
| CN107011161A (zh) * | 2017-04-17 | 2017-08-04 | 常茂生物化学工程股份有限公司 | 一种乙酸中去除少量甲酸的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA531751A (en) * | 1956-10-16 | T. Smith Eldred | Purification of acids | |
| US3933781A (en) * | 1973-11-05 | 1976-01-20 | Monsanto Company | Process for the preparation of α-L-aspartyl-L-phenylalanine alkyl esters |
| IT1152488B (it) * | 1982-08-06 | 1986-12-31 | Pierrel Spa | Procedimento per la preparazione dell'anidride dell'acido n-formil-l-aspartico |
| DE3237122A1 (de) * | 1982-10-07 | 1984-04-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Farbbandkassette mit einer nachtraenkvorrichtung |
| JPS59175484A (ja) * | 1983-03-25 | 1984-10-04 | Ajinomoto Co Inc | N−ホルミルアスパラギン酸無水物の製造法 |
| JPH085912B2 (ja) * | 1986-09-04 | 1996-01-24 | 味の素株式会社 | N−ホルミルアスパルチル−フエニルアラニンまたはそのメチルエステルの製造方法 |
| US5183937A (en) * | 1990-02-07 | 1993-02-02 | The Nutrasweet Company | Acetic acid recovery |
-
1991
- 1991-11-21 US US07/798,361 patent/US5183937A/en not_active Expired - Fee Related
-
1993
- 1993-01-28 JP JP6516968A patent/JP2788787B2/ja not_active Expired - Lifetime
- 1993-01-28 EP EP93904885A patent/EP0632798A4/en not_active Ceased
- 1993-01-28 FI FI944482A patent/FI944482L/fi unknown
- 1993-01-28 AU AU36094/93A patent/AU663365B2/en not_active Ceased
- 1993-01-28 WO PCT/US1993/000987 patent/WO1994017025A1/en not_active Ceased
- 1993-02-27 CN CN93102403A patent/CN1037174C/zh not_active Expired - Fee Related
-
1994
- 1994-08-19 NO NO943063A patent/NO303282B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1037174C (zh) | 1998-01-28 |
| WO1994017025A1 (en) | 1994-08-04 |
| NO943063D0 (no) | 1994-08-19 |
| US5183937A (en) | 1993-02-02 |
| JP2788787B2 (ja) | 1998-08-20 |
| EP0632798A4 (en) | 1995-06-21 |
| FI944482A7 (fi) | 1994-09-27 |
| FI944482A0 (fi) | 1994-09-27 |
| AU3609493A (en) | 1994-08-15 |
| JPH07504690A (ja) | 1995-05-25 |
| FI944482L (fi) | 1994-09-27 |
| AU663365B2 (en) | 1995-10-05 |
| CN1091417A (zh) | 1994-08-31 |
| EP0632798A1 (en) | 1995-01-11 |
| NO303282B1 (no) | 1998-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN JULY 2002 |