AT322525B - Verfahren zur herstellung von citronensäure - Google Patents
Verfahren zur herstellung von citronensäureInfo
- Publication number
- AT322525B AT322525B AT801772A AT801772A AT322525B AT 322525 B AT322525 B AT 322525B AT 801772 A AT801772 A AT 801772A AT 801772 A AT801772 A AT 801772A AT 322525 B AT322525 B AT 322525B
- Authority
- AT
- Austria
- Prior art keywords
- production
- citric acid
- citric
- acid
- Prior art date
Links
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title 3
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT28832/71A IT941454B (it) | 1971-09-20 | 1971-09-20 | Processo per la preparazione dell acido citrico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT322525B true AT322525B (de) | 1975-05-26 |
Family
ID=11224275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT801772A AT322525B (de) | 1971-09-20 | 1972-09-19 | Verfahren zur herstellung von citronensäure |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US3798266A (de) |
| JP (1) | JPS5644057B2 (de) |
| AT (1) | AT322525B (de) |
| AU (1) | AU461322B2 (de) |
| BE (1) | BE789049A (de) |
| BR (1) | BR7206469D0 (de) |
| CA (1) | CA977365A (de) |
| CH (1) | CH585170A5 (de) |
| CS (1) | CS178875B2 (de) |
| DD (1) | DD99984A5 (de) |
| DE (1) | DE2245892B2 (de) |
| ES (1) | ES406823A1 (de) |
| FR (1) | FR2153281B1 (de) |
| GB (1) | GB1350717A (de) |
| HU (1) | HU165719B (de) |
| IL (1) | IL40430A (de) |
| IT (1) | IT941454B (de) |
| NL (1) | NL7212569A (de) |
| PL (1) | PL85226B1 (de) |
| RO (1) | RO61076A (de) |
| SE (1) | SE392610B (de) |
| SU (1) | SU556721A3 (de) |
| YU (1) | YU39205B (de) |
| ZA (1) | ZA726365B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770796A (en) * | 1971-04-07 | 1973-11-06 | Ethyl Corp | Cyanohydrin compounds |
| NL7302863A (de) * | 1973-03-01 | 1974-09-03 | ||
| IT989329B (it) * | 1973-06-20 | 1975-05-20 | Montedison Spa | Processo per la preparazione di acido 3 cheto glutarico per car bossilazione di acetone in glime |
| NL7316762A (nl) * | 1973-12-07 | 1975-06-10 | Akzo Nv | Werkwijze voor de bereiding van citroenzure esters, citroenzuur of citraten. |
| US4052171A (en) * | 1975-06-05 | 1977-10-04 | Ethyl Corporation | Fuel compositions and additive mixtures containing methanetricarboxylates for reducing exhaust gas catalyst plugging |
| IT1075720B (it) * | 1977-03-03 | 1985-04-22 | Montedison Spa | Processo per la preparazione di alfa-formilacidi e loro derivati |
| EP3755639A4 (de) * | 2018-02-22 | 2021-11-17 | Solidia Technologies, Inc. | Zementchemikalien |
-
0
- BE BE789049D patent/BE789049A/xx not_active IP Right Cessation
-
1971
- 1971-09-20 IT IT28832/71A patent/IT941454B/it active
-
1972
- 1972-09-15 SE SE7211916A patent/SE392610B/xx unknown
- 1972-09-15 NL NL7212569A patent/NL7212569A/xx not_active Application Discontinuation
- 1972-09-16 RO RO72245A patent/RO61076A/ro unknown
- 1972-09-18 SU SU1830978A patent/SU556721A3/ru active
- 1972-09-18 AU AU46776/72A patent/AU461322B2/en not_active Expired
- 1972-09-18 BR BR006469/72A patent/BR7206469D0/pt unknown
- 1972-09-18 PL PL1972157804A patent/PL85226B1/pl unknown
- 1972-09-18 GB GB4310972A patent/GB1350717A/en not_active Expired
- 1972-09-18 FR FR7232979A patent/FR2153281B1/fr not_active Expired
- 1972-09-18 YU YU02366/72A patent/YU39205B/xx unknown
- 1972-09-18 DD DD165724A patent/DD99984A5/xx unknown
- 1972-09-18 ZA ZA726365A patent/ZA726365B/xx unknown
- 1972-09-18 US US00290160A patent/US3798266A/en not_active Expired - Lifetime
- 1972-09-18 JP JP9354172A patent/JPS5644057B2/ja not_active Expired
- 1972-09-19 DE DE2245892A patent/DE2245892B2/de active Granted
- 1972-09-19 ES ES406823A patent/ES406823A1/es not_active Expired
- 1972-09-19 CS CS7200006389A patent/CS178875B2/cs unknown
- 1972-09-19 AT AT801772A patent/AT322525B/de not_active IP Right Cessation
- 1972-09-19 CA CA152,118A patent/CA977365A/en not_active Expired
- 1972-09-20 CH CH1377272A patent/CH585170A5/xx not_active IP Right Cessation
- 1972-09-20 HU HUMO843A patent/HU165719B/hu unknown
- 1972-09-25 IL IL40430A patent/IL40430A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7212569A (de) | 1973-03-22 |
| US3798266A (en) | 1974-03-19 |
| IL40430A (en) | 1976-05-31 |
| ZA726365B (en) | 1973-06-27 |
| DE2245892B2 (de) | 1981-08-06 |
| BE789049A (fr) | 1973-03-20 |
| JPS4836121A (de) | 1973-05-28 |
| SE392610B (sv) | 1977-04-04 |
| DE2245892A1 (de) | 1973-03-29 |
| HU165719B (de) | 1974-10-28 |
| DD99984A5 (de) | 1973-09-05 |
| AU461322B2 (en) | 1975-05-22 |
| JPS5644057B2 (de) | 1981-10-16 |
| BR7206469D0 (pt) | 1973-08-23 |
| IT941454B (it) | 1973-03-01 |
| CS178875B2 (en) | 1977-10-31 |
| IL40430A0 (en) | 1972-11-28 |
| YU236672A (en) | 1982-02-28 |
| CA977365A (en) | 1975-11-04 |
| GB1350717A (en) | 1974-04-24 |
| ES406823A1 (es) | 1975-10-16 |
| CH585170A5 (de) | 1977-02-28 |
| YU39205B (en) | 1984-08-31 |
| FR2153281A1 (de) | 1973-05-04 |
| FR2153281B1 (de) | 1975-01-03 |
| PL85226B1 (de) | 1976-04-30 |
| DE2245892C3 (de) | 1987-07-30 |
| SU556721A3 (ru) | 1977-04-30 |
| RO61076A (de) | 1976-11-15 |
| AU4677672A (en) | 1974-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT319198B (de) | Verfahren zur Herstellung von Acrylsäure | |
| AT330346B (de) | Verfahren zur herstellung von 7-acylamido -3- cephem-4-carbonsauren | |
| AT325201B (de) | Verfahren zur herstellung von 7-acylamidocephalosporamsäuren | |
| CH496641A (de) | Verfahren zur Herstellung von Lavandulylsäure | |
| AT316573B (de) | Verfahren zur Herstellung von Lactamen | |
| AT318642B (de) | Verfahren zur Herstellung von Lactamen | |
| AT322525B (de) | Verfahren zur herstellung von citronensäure | |
| AT299178B (de) | Verfahren zur Herstellung von Hydroxycrotonsäurelaktonen | |
| AT312803B (de) | Verfahren zur Herstellung von 7-Amino-desacetoxy-cephalosporansäure | |
| CH545260A (de) | Verfahren zur Herstellung von Adipinsäure | |
| AT328611B (de) | Verfahren zur herstellung von 7-acylamino-3-substituierten-3-cephem-4-carbonsaurederivaten | |
| AT323420B (de) | Verfahren zur herstellung von poly-alpha-oxy-acrylsäure | |
| ATA532473A (de) | Verfahren zur herstellung von 7-amino-desacetoxy-cephalosporansaure | |
| AT327377B (de) | Verfahren zur herstellung von aminopenicillinen | |
| DE2045819B2 (de) | Verfahren zur herstellung von aeruginoinsaeure | |
| AT327376B (de) | Verfahren zur herstellung von neuen 7-acylamido-7-methoxy-cephemcarbonsaurederivaten | |
| AT313878B (de) | Verfahren zur Herstellung von Alkylophenolen | |
| AT308075B (de) | Verfahren zur Herstellung von Monochlorbenzaldehyden | |
| AT304134B (de) | Verfahren zur Herstellung von Pflanzensockeln | |
| CH529128A (de) | Verfahren zur Herstellung von Tetronsäure | |
| AT317906B (de) | Verfahren zur Herstellung von Lactamen | |
| AT310769B (de) | Verfahren zur Herstellung von ɛ-Caprolacton | |
| AT330375B (de) | Verfahren zur herstellung von steroid-21-alkoholen | |
| CH537390A (de) | Verfahren zur Herstellung von Phenyl-pyrimidin-carbonsäuren | |
| AT324546B (de) | Verfahren zur herstellung von aminopenicillinen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |