CA974252A - Production of citric acid or citrates - Google Patents
Production of citric acid or citratesInfo
- Publication number
- CA974252A CA974252A CA146,388A CA146388A CA974252A CA 974252 A CA974252 A CA 974252A CA 146388 A CA146388 A CA 146388A CA 974252 A CA974252 A CA 974252A
- Authority
- CA
- Canada
- Prior art keywords
- citrates
- production
- citric acid
- citric
- acid
- 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
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
- 150000001860 citric acid derivatives Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
-
- 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
- C07C51/41—Preparation of salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
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 |
|---|---|---|---|
| US17262771A | 1971-08-18 | 1971-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA974252A true CA974252A (en) | 1975-09-09 |
Family
ID=22628511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA146,388A Expired CA974252A (en) | 1971-08-18 | 1972-07-05 | Production of citric acid or citrates |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3769337A (fr) |
| JP (1) | JPS4829717A (fr) |
| CA (1) | CA974252A (fr) |
| DE (1) | DE2240723A1 (fr) |
| FR (2) | FR2149541B1 (fr) |
| GB (2) | GB1403549A (fr) |
| NL (1) | NL7211285A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113771A (en) * | 1971-04-07 | 1978-09-12 | Ethyl Corporation | Process for the purification of citric acid |
| US3962287A (en) * | 1971-08-18 | 1976-06-08 | Ethyl Corporation | Chemical process for producing citric acid |
| IT987222B (it) * | 1973-05-09 | 1975-02-20 | Snam Progetti | Processo per la preparazione di acido citrico e di suoi derivati |
| US3917686A (en) * | 1974-10-07 | 1975-11-04 | Bjorksten Research Lab Inc | Method for producing citric acid and citrates |
| US4056567A (en) * | 1976-03-08 | 1977-11-01 | Lever Brothers Company | Chemical processes for preparing citric acid |
| US4340754A (en) * | 1978-12-26 | 1982-07-20 | Hoffmann-La Roche Inc. | Process for making chlorocitric acid |
-
1971
- 1971-08-18 US US00172627A patent/US3769337A/en not_active Expired - Lifetime
-
1972
- 1972-07-05 CA CA146,388A patent/CA974252A/en not_active Expired
- 1972-08-10 GB GB3744472A patent/GB1403549A/en not_active Expired
- 1972-08-10 GB GB370875A patent/GB1403550A/en not_active Expired
- 1972-08-17 NL NL7211285A patent/NL7211285A/xx not_active Application Discontinuation
- 1972-08-17 FR FR7229524A patent/FR2149541B1/fr not_active Expired
- 1972-08-18 DE DE2240723A patent/DE2240723A1/de active Pending
- 1972-08-18 JP JP47082697A patent/JPS4829717A/ja active Pending
-
1973
- 1973-04-17 FR FR7313974A patent/FR2185617B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2185617A1 (fr) | 1974-01-04 |
| JPS4829717A (fr) | 1973-04-19 |
| GB1403550A (en) | 1975-08-28 |
| DE2240723A1 (de) | 1973-04-12 |
| FR2149541A1 (fr) | 1973-03-30 |
| US3769337A (en) | 1973-10-30 |
| FR2185617B1 (fr) | 1977-02-04 |
| GB1403549A (en) | 1975-08-28 |
| NL7211285A (fr) | 1973-02-20 |
| FR2149541B1 (fr) | 1976-10-29 |
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