CH552551A - Verfahren zur herstellung von laevulinsaeure. - Google Patents
Verfahren zur herstellung von laevulinsaeure.Info
- Publication number
- CH552551A CH552551A CH375171A CH375171A CH552551A CH 552551 A CH552551 A CH 552551A CH 375171 A CH375171 A CH 375171A CH 375171 A CH375171 A CH 375171A CH 552551 A CH552551 A CH 552551A
- Authority
- CH
- Switzerland
- Prior art keywords
- producing
- laevulic acid
- laevulic
- acid
- producing laevulic
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331570 | 1970-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH552551A true CH552551A (de) | 1974-08-15 |
Family
ID=12107140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH375171A CH552551A (de) | 1970-03-18 | 1971-03-15 | Verfahren zur herstellung von laevulinsaeure. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3752849A (de) |
| BE (1) | BE764364A (de) |
| CA (1) | CA929535A (de) |
| CH (1) | CH552551A (de) |
| DE (1) | DE2112726B2 (de) |
| FR (1) | FR2087809A5 (de) |
| GB (1) | GB1283185A (de) |
| IT (1) | IT1033053B (de) |
| NL (1) | NL7103552A (de) |
| SE (1) | SE383510B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236021A (en) * | 1979-05-07 | 1980-11-25 | The B. F. Goodrich Company | Process for the manufacture of levulinic acid and esters |
| FR2640263B1 (fr) * | 1988-12-09 | 1991-06-14 | Organo Synthese Ste Fse | Preparation d'acide levulinique |
| AT392468B (de) * | 1989-06-05 | 1991-04-10 | Chemie Linz Gmbh | Verfahren zur herstellung lagerstabiler laevulinsaeure |
| CN102405205A (zh) | 2009-03-05 | 2012-04-04 | 赛格提斯公司 | 制备乙酰丙酸烷基酯的方法 |
| US20110173877A1 (en) * | 2009-12-24 | 2011-07-21 | Jeroen Van Buijtenen | Process for preparing a hydrocarbon or mixture of hydrocarbons |
| FR3135978A1 (fr) | 2022-05-31 | 2023-12-01 | IFP Energies Nouvelles | Synthese de l’acide levulinique par hydratation d’alcool furfurylque en presence d’un catalyseur homogene acide et d’un solvant a base d’ether et/ou d’acetals |
| FR3135979B1 (fr) | 2022-05-31 | 2024-04-26 | Ifp Energies Now | Procede de separation de l’acide levulinique par separation thermique en presence d’un fluxant |
-
1971
- 1971-03-12 US US00123831A patent/US3752849A/en not_active Expired - Lifetime
- 1971-03-15 CH CH375171A patent/CH552551A/de not_active IP Right Cessation
- 1971-03-17 BE BE764364A patent/BE764364A/xx unknown
- 1971-03-17 CA CA108014A patent/CA929535A/en not_active Expired
- 1971-03-17 SE SE7103431A patent/SE383510B/xx unknown
- 1971-03-17 IT IT21900/71A patent/IT1033053B/it active
- 1971-03-17 DE DE19712112726 patent/DE2112726B2/de active Granted
- 1971-03-17 NL NL7103552A patent/NL7103552A/xx unknown
- 1971-03-18 FR FR7109467A patent/FR2087809A5/fr not_active Expired
- 1971-04-19 GB GB24123/71A patent/GB1283185A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1033053B (it) | 1979-07-10 |
| DE2112726C3 (de) | 1973-10-31 |
| CA929535A (en) | 1973-07-03 |
| DE2112726B2 (de) | 1973-04-05 |
| BE764364A (fr) | 1971-08-16 |
| SE383510B (sv) | 1976-03-15 |
| GB1283185A (en) | 1972-07-26 |
| FR2087809A5 (de) | 1971-12-31 |
| NL7103552A (de) | 1971-09-21 |
| US3752849A (en) | 1973-08-14 |
| DE2112726A1 (de) | 1971-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |