GR3007472T3 - - Google Patents
Info
- Publication number
- GR3007472T3 GR3007472T3 GR920402304T GR920402304T GR3007472T3 GR 3007472 T3 GR3007472 T3 GR 3007472T3 GR 920402304 T GR920402304 T GR 920402304T GR 920402304 T GR920402304 T GR 920402304T GR 3007472 T3 GR3007472 T3 GR 3007472T3
- Authority
- GR
- Greece
- Prior art keywords
- reaction
- boiling point
- aqueous
- succinates
- countercurrent
- Prior art date
Links
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- XIBPCLQLEGQADN-UHFFFAOYSA-N 4-acetyloxy-4-oxobutanoic acid Chemical class CC(=O)OC(=O)CCC(O)=O XIBPCLQLEGQADN-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 229940040102 levulinic acid Drugs 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1356/89A AT392468B (de) | 1989-06-05 | 1989-06-05 | Verfahren zur herstellung lagerstabiler laevulinsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR3007472T3 true GR3007472T3 (en, 2012) | 1993-07-30 |
Family
ID=3512120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR920402304T GR3007472T3 (en, 2012) | 1989-06-05 | 1993-03-26 |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0401532B1 (en, 2012) |
| JP (1) | JP2844382B2 (en, 2012) |
| AT (2) | AT392468B (en, 2012) |
| CA (1) | CA2017580A1 (en, 2012) |
| DD (1) | DD294934A5 (en, 2012) |
| DE (2) | DE3920340A1 (en, 2012) |
| DK (1) | DK0401532T3 (en, 2012) |
| ES (1) | ES2039988T3 (en, 2012) |
| GR (1) | GR3007472T3 (en, 2012) |
| HR (1) | HRP940818A2 (en, 2012) |
| HU (1) | HU206664B (en, 2012) |
| PL (1) | PL162981B1 (en, 2012) |
| YU (1) | YU108590A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2176998C2 (ru) * | 1998-04-22 | 2001-12-20 | Иркутский государственный университет | Способ получения левулиновой кислоты |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752849A (en) * | 1970-03-18 | 1973-08-14 | Otsuka Kagaku Yakuhin | Manufacture of levulinic acid |
| US4236021A (en) * | 1979-05-07 | 1980-11-25 | The B. F. Goodrich Company | Process for the manufacture of levulinic acid and esters |
-
1989
- 1989-06-05 AT AT1356/89A patent/AT392468B/de not_active IP Right Cessation
- 1989-06-21 DE DE3920340A patent/DE3920340A1/de not_active Withdrawn
-
1990
- 1990-05-10 EP EP90108761A patent/EP0401532B1/de not_active Expired - Lifetime
- 1990-05-10 ES ES199090108761T patent/ES2039988T3/es not_active Expired - Lifetime
- 1990-05-10 DE DE9090108761T patent/DE59001067D1/de not_active Expired - Fee Related
- 1990-05-10 AT AT90108761T patent/ATE87294T1/de not_active IP Right Cessation
- 1990-05-10 DK DK90108761.9T patent/DK0401532T3/da not_active Application Discontinuation
- 1990-05-25 CA CA002017580A patent/CA2017580A1/en not_active Abandoned
- 1990-06-01 HU HU903300A patent/HU206664B/hu not_active IP Right Cessation
- 1990-06-01 DD DD90341258A patent/DD294934A5/de not_active IP Right Cessation
- 1990-06-04 YU YU108590A patent/YU108590A/sh unknown
- 1990-06-04 PL PL28547790A patent/PL162981B1/pl unknown
- 1990-06-04 JP JP2144594A patent/JP2844382B2/ja not_active Expired - Fee Related
-
1993
- 1993-03-26 GR GR920402304T patent/GR3007472T3/el unknown
-
1994
- 1994-10-26 HR HR940818A patent/HRP940818A2/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0401532A1 (de) | 1990-12-12 |
| HRP940818A2 (en) | 1996-06-30 |
| HU206664B (en) | 1992-12-28 |
| HUT54967A (en) | 1991-04-29 |
| ATE87294T1 (de) | 1993-04-15 |
| DE59001067D1 (de) | 1993-04-29 |
| EP0401532B1 (de) | 1993-03-24 |
| ES2039988T3 (es) | 1993-10-01 |
| DD294934A5 (de) | 1991-10-17 |
| HU903300D0 (en) | 1990-10-28 |
| JP2844382B2 (ja) | 1999-01-06 |
| YU108590A (sh) | 1992-09-07 |
| AT392468B (de) | 1991-04-10 |
| CA2017580A1 (en) | 1990-12-05 |
| PL162981B1 (pl) | 1994-01-31 |
| JPH03101636A (ja) | 1991-04-26 |
| ATA135689A (de) | 1990-09-15 |
| DK0401532T3 (da) | 1993-04-19 |
| DE3920340A1 (de) | 1991-01-10 |
| PL285477A1 (en) | 1991-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5721338A (en) | Conjugation of polyunsaturated fatty acid and fatty acid mixture | |
| ES2052193T3 (es) | Procedimiento de esterificacion. | |
| DE3260280D1 (en) | Process for the preparation of isosorbid-5-nitrate | |
| GR3007472T3 (en, 2012) | ||
| DE3262622D1 (en) | Preparation of a glutaraldehyde precursor | |
| DE3160767D1 (en) | Process for the preparation of 1,4:3,6-dianhydro-d-glucite-5-nitrate (isosobide-5-nitrate) | |
| JPS578787A (en) | Esterification by enzyme | |
| JPS5239643A (en) | A process for preparing terephtalic acid | |
| ES2021108B3 (es) | Procedimiento para la preparacion de ester dimetilico de acido maleico | |
| GR3009562T3 (en, 2012) | ||
| DE3263545D1 (en) | Process for the preparation of 4-alkoxy-acetoacetic-acid esters | |
| BR8003397A (pt) | Processo para precondicionar hidrolisados acidos derivados de materiais lignocelulosicos,hidrolisado acido precondicionado fermentavel e processo para producao de alcool etilico | |
| JPS5225704A (en) | Process for preparation of glycols | |
| JPS5626861A (en) | Manufacture of methyleneebissphenylcarbamic ester and polymethyleneepolyphenylcarbamic ester | |
| ATE13419T1 (de) | Verfahren zur herstellung von alpha,alphadifluoroalkoxy oder alpha,alphadifluoroalkylthiophenylketonen. | |
| RU95122059A (ru) | Способ получения сложных эфиров и/или их смесей | |
| JPS5427507A (en) | Preparation of tertiary butyl alcohol | |
| JPS53137912A (en) | Preparation of cis-epoxysuccinic acid or cis-epoxysuccinate salt | |
| JPS6419052A (en) | Production of l-methylosin | |
| JPS5581872A (en) | Preparation of cis-epoxysuccinate | |
| JPS6485202A (en) | Palatinose condensate, its preparation and its utilization | |
| PL247200A1 (en) | Process for preparing 3-hydroxy-5-methyl-isoxazole | |
| JPS57182314A (en) | Production of modified aromatic hydrocarbon resin | |
| JPS5257137A (en) | Batch-wise esterification process | |
| JPS52122325A (en) | Synthesis of hydrazides |