ES2057253T3 - Procedimiento para la obtencion en continuo de acido glicoxilico. - Google Patents
Procedimiento para la obtencion en continuo de acido glicoxilico.Info
- Publication number
- ES2057253T3 ES2057253T3 ES90108762T ES90108762T ES2057253T3 ES 2057253 T3 ES2057253 T3 ES 2057253T3 ES 90108762 T ES90108762 T ES 90108762T ES 90108762 T ES90108762 T ES 90108762T ES 2057253 T3 ES2057253 T3 ES 2057253T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- continuous obtaining
- glycoxylic acid
- glyoxylic acid
- glycoxylic
- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO DE PRODUCCION CONTINUA DE UNA SOLUCION ACUOSA CONCENTRADA DE ACIDO GLICOXILICO, POR HIDROLISIS DE ESTERES SEMIACETALICOS DEL ACIDO GLICOXILICO CON VAPOR DE AGUA EN CONTRACORRIENTE, EN UN REACTOR DE CASCADA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1357/89A AT392638B (de) | 1989-06-05 | 1989-06-05 | Verfahren zur kontinuierlichen herstellung einer konzentrierten waessrigen loesung von glyoxylsaeure |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2057253T3 true ES2057253T3 (es) | 1994-10-16 |
Family
ID=3512144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90108762T Expired - Lifetime ES2057253T3 (es) | 1989-06-05 | 1990-05-10 | Procedimiento para la obtencion en continuo de acido glicoxilico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5068417A (es) |
EP (1) | EP0401533B1 (es) |
JP (1) | JP2898354B2 (es) |
AT (2) | AT392638B (es) |
CA (1) | CA2017583C (es) |
DE (2) | DE3920349A1 (es) |
DK (1) | DK0401533T3 (es) |
ES (1) | ES2057253T3 (es) |
GR (1) | GR3009562T3 (es) |
HU (1) | HU204760B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2926815A1 (fr) * | 2008-01-25 | 2009-07-31 | Clariant Specialty Fine Chem | Procede de separation d'acide glyoxylique a partir d'un milieu reactionel aqueux contenant de l'acide glyoxylique et de l'acide chlorhydrique. |
US10618980B2 (en) | 2015-10-16 | 2020-04-14 | Nouryon Chemicals International B.V. | Cellulose ethers with temporary cross-links, a process to make them, and their use |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2081355A (en) * | 1933-05-04 | 1937-05-25 | Ig Farbenindustrie Ag | Process of preparing glyoxylic acid |
US2842576A (en) * | 1952-01-03 | 1958-07-08 | British Petroleum Co | Production of acetals |
US3014963A (en) * | 1957-11-04 | 1961-12-26 | Merck & Co Inc | Process of producing mevalonic acid and its intermediates |
US3032491A (en) * | 1958-07-23 | 1962-05-01 | Polaroid Corp | Irradiation of cyclohexadienones |
US3705922A (en) * | 1970-08-11 | 1972-12-12 | United States Steel Corp | Process for the preparation of glyoxylic acid methyl hemiacetal |
DE2501743C2 (de) * | 1975-01-17 | 1982-07-15 | Haarmann & Reimer Gmbh, 3450 Holzminden | Verfahren zur Abtrennung von Glyoxylsäure aus wässrigen, Glyoxylsäure und Glyoxal enthaltenden Gemischen |
DE2904775C2 (de) * | 1979-02-08 | 1985-03-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung von Glyoxylsäureestern |
DE3224795A1 (de) * | 1982-07-02 | 1984-01-05 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur herstellung von glyoxylsaeure und glyoxylsaeurederivaten |
AT376197B (de) * | 1982-07-06 | 1984-10-25 | Chemie Linz Ag | Verfahren zur herstellung von glyoxylsaeure und von glyoxylsaeurealkylesterhalbacetalen |
JPH0830026B2 (ja) * | 1987-05-27 | 1996-03-27 | 三井東圧化学株式会社 | グリオキシル酸類の製造法 |
US4867849A (en) * | 1988-07-25 | 1989-09-19 | Cova Dario R | Purification of alkyl glyoxylate |
-
1989
- 1989-06-05 AT AT1357/89A patent/AT392638B/de not_active IP Right Cessation
- 1989-06-21 DE DE3920349A patent/DE3920349A1/de not_active Withdrawn
-
1990
- 1990-05-10 ES ES90108762T patent/ES2057253T3/es not_active Expired - Lifetime
- 1990-05-10 EP EP90108762A patent/EP0401533B1/de not_active Expired - Lifetime
- 1990-05-10 AT AT90108762T patent/ATE91123T1/de not_active IP Right Cessation
- 1990-05-10 DK DK90108762.7T patent/DK0401533T3/da not_active Application Discontinuation
- 1990-05-10 DE DE9090108762T patent/DE59001880D1/de not_active Expired - Fee Related
- 1990-05-25 CA CA002017583A patent/CA2017583C/en not_active Expired - Fee Related
- 1990-05-25 US US07/530,966 patent/US5068417A/en not_active Expired - Lifetime
- 1990-06-01 HU HU903301A patent/HU204760B/hu not_active IP Right Cessation
- 1990-06-04 JP JP2144595A patent/JP2898354B2/ja not_active Expired - Fee Related
-
1993
- 1993-07-01 GR GR920402826T patent/GR3009562T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GR3009562T3 (es) | 1994-02-28 |
HU204760B (en) | 1992-02-28 |
US5068417A (en) | 1991-11-26 |
HUT54966A (en) | 1991-04-29 |
DK0401533T3 (da) | 1993-08-09 |
JP2898354B2 (ja) | 1999-05-31 |
CA2017583A1 (en) | 1990-12-05 |
DE59001880D1 (de) | 1993-08-05 |
EP0401533A1 (de) | 1990-12-12 |
AT392638B (de) | 1991-05-10 |
HU903301D0 (en) | 1990-10-28 |
DE3920349A1 (de) | 1991-01-10 |
EP0401533B1 (de) | 1993-06-30 |
CA2017583C (en) | 2001-07-10 |
ATA135789A (de) | 1990-10-15 |
JPH0320239A (ja) | 1991-01-29 |
ATE91123T1 (de) | 1993-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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