CH432493A - Procedimento per la preparazione dell'acido benzoico - Google Patents
Procedimento per la preparazione dell'acido benzoicoInfo
- Publication number
- CH432493A CH432493A CH1185562A CH1185562A CH432493A CH 432493 A CH432493 A CH 432493A CH 1185562 A CH1185562 A CH 1185562A CH 1185562 A CH1185562 A CH 1185562A CH 432493 A CH432493 A CH 432493A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- benzoic acid
- benzoic
- acid
- 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1828761 | 1961-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH432493A true CH432493A (it) | 1967-03-31 |
Family
ID=11152506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1185562A CH432493A (it) | 1961-10-11 | 1962-10-09 | Procedimento per la preparazione dell'acido benzoico |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3309289A (it) |
| CH (1) | CH432493A (it) |
| DE (1) | DE1189977B (it) |
| DK (1) | DK107869C (it) |
| ES (1) | ES281438A1 (it) |
| GB (1) | GB1013975A (it) |
| SE (1) | SE314665B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1593283A1 (de) * | 1965-12-13 | 1970-07-16 | Phillips Petroleum Co | Verfahren zur Trennung von Nitrochlorbenzolisomeren |
| BE760038A (fr) * | 1969-12-08 | 1971-05-17 | Dow Chemical Co | Purification de l'acide benzoique |
| US3867439A (en) * | 1972-04-17 | 1975-02-18 | Dow Chemical Co | Preparation of potassium benzoate |
| DE2460822C2 (de) * | 1974-12-21 | 1981-07-23 | Bayer Ag, 5090 Leverkusen | Gewinnung von Benzoesäure |
| NL7614458A (nl) * | 1976-12-28 | 1978-06-30 | Stamicarbon | Werkwijze voor het verwerken van een benzylbenzoaatbevattende teer. |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1547893A (en) * | 1921-09-03 | 1925-07-28 | Bergius Friedrich | Method of treating products of hydrolysis of cellulose |
| US2437649A (en) * | 1944-11-20 | 1948-03-09 | Yorkshire Tar Distillers Ltd | Separation of phenols from hydrocarbon distillates by steam distillation |
| US2507632A (en) * | 1944-11-30 | 1950-05-16 | Eastman Kodak Co | Process for dehydrating materials under low-pressure conditions |
| US2702784A (en) * | 1952-06-26 | 1955-02-22 | California Research Corp | Azeotropic removal of hydrocarbon contaminants from phenol |
| US2887511A (en) * | 1953-01-26 | 1959-05-19 | Union Oil Co | Preparation of aromatic acids by oxidation |
| US2936267A (en) * | 1955-11-18 | 1960-05-10 | Farbwerke Hocchst Ag Vormals M | Process for purifying carboxylic acids |
| GB802117A (en) * | 1957-01-16 | 1958-10-01 | Chemon Corp | Improvements relating to the production of benzoic acid |
| US3119860A (en) * | 1957-08-12 | 1964-01-28 | Standard Oil Co | Continuous substituted aromatic hydrocarbon oxidation, acid crystallization and acid recovery system |
| US3092658A (en) * | 1957-08-12 | 1963-06-04 | Standard Oil Co | Continuous system for oxidizing substituted aromatic hydrocarbons and producing carboxylic acids |
| US3115520A (en) * | 1957-08-12 | 1963-12-24 | Standard Oil Co | Solvent system for carboxylic acid manufacture |
| US3081348A (en) * | 1958-07-25 | 1963-03-12 | Goodyear Tire & Rubber | Catalysts for condensation reactions of primary amines with dihydroxy aromatic compounds |
| US3078303A (en) * | 1959-03-27 | 1963-02-19 | California Research Corp | Purification of aromatic carboxylic acids |
-
1962
- 1962-10-08 US US229234A patent/US3309289A/en not_active Expired - Lifetime
- 1962-10-09 CH CH1185562A patent/CH432493A/it unknown
- 1962-10-10 ES ES281438A patent/ES281438A1/es not_active Expired
- 1962-10-10 GB GB38434/62A patent/GB1013975A/en not_active Expired
- 1962-10-10 SE SE10887/62A patent/SE314665B/xx unknown
- 1962-10-11 DK DK438462AA patent/DK107869C/da active
- 1962-10-11 DE DES82000A patent/DE1189977B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3309289A (en) | 1967-03-14 |
| SE314665B (it) | 1969-09-15 |
| DK107869C (da) | 1967-07-17 |
| DE1189977B (de) | 1965-04-01 |
| GB1013975A (en) | 1965-12-22 |
| ES281438A1 (es) | 1963-02-01 |
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