CH377795A - Verfahren zur Oxydation von Xylol und niedrigeren Toluolkarbonsäurealkylestern - Google Patents
Verfahren zur Oxydation von Xylol und niedrigeren ToluolkarbonsäurealkylesternInfo
- Publication number
- CH377795A CH377795A CH7764259A CH7764259A CH377795A CH 377795 A CH377795 A CH 377795A CH 7764259 A CH7764259 A CH 7764259A CH 7764259 A CH7764259 A CH 7764259A CH 377795 A CH377795 A CH 377795A
- Authority
- CH
- Switzerland
- Prior art keywords
- carboxylates
- xylene
- oxidation
- lower alkyl
- alkyl toluene
- 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
- C07C51/16—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
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 |
|---|---|---|---|
| US75932458A | 1958-09-05 | 1958-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH377795A true CH377795A (de) | 1964-05-31 |
Family
ID=25055227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH7764259A CH377795A (de) | 1958-09-05 | 1959-09-01 | Verfahren zur Oxydation von Xylol und niedrigeren Toluolkarbonsäurealkylestern |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE581049A (de) |
| CH (1) | CH377795A (de) |
| DE (1) | DE1114472B (de) |
| ES (1) | ES251660A1 (de) |
| GB (1) | GB864106A (de) |
| NL (1) | NL242734A (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2010137C3 (de) * | 1970-03-04 | 1979-07-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsauredimethylester |
| BE791138R (fr) | 1971-12-18 | 1973-05-09 | Dynamit Nobel Ag | Procede de preparation de l'ester dimethylique de l'acide terephtaliqu |
| US5883292A (en) * | 1996-01-17 | 1999-03-16 | Twenty-First Century Research Corporation | Reaction control by regulating internal condensation inside a reactor |
| US6337051B1 (en) | 1996-06-24 | 2002-01-08 | Rpc Inc. | Device for detecting formation of a second liquid phase |
| US6288270B1 (en) | 1996-06-24 | 2001-09-11 | Rpc Inc. | Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments |
| US6039902A (en) * | 1996-06-24 | 2000-03-21 | Rpc Inc. | Methods of recycling catalyst in oxidations of hydrocarbons |
| US6143927A (en) | 1996-06-24 | 2000-11-07 | Rpc Inc. | Methods for removing catalyst after oxidation of hydrocarbons |
| US5801273A (en) * | 1996-08-21 | 1998-09-01 | Twenty-First Century Research Corporation | Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments |
| WO1998007677A1 (en) | 1996-08-21 | 1998-02-26 | Twenty-First Century Research Corporation | Methods and devices for controlling the reaction by adjusting the oxidant consumption rate |
| US5817868A (en) * | 1996-11-12 | 1998-10-06 | Twenty-First Century Research Corporation | Method and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements |
| US5824819A (en) * | 1996-12-18 | 1998-10-20 | Twenty-First Century Research Corporation | Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator |
| US6037491A (en) * | 1997-07-25 | 2000-03-14 | Rpc Inc. | Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio |
| US5929277A (en) * | 1997-09-19 | 1999-07-27 | Twenty-First Century Research Corporation | Methods of removing acetic acid from cyclohexane in the production of adipic acid |
| US5908589A (en) * | 1997-12-08 | 1999-06-01 | Twenty-First Century Research Corporation | Methods for separating catalyst from oxidation mixtures containing dibasic acids |
| EP1054856A1 (de) | 1998-02-09 | 2000-11-29 | RPC Inc. | Verfahren zur behandlung von kobaltkatalysatoren in oxidationsgemischen von kohlenwassertoffen zu dibasischen säuren |
| BR9907998A (pt) * | 1998-02-19 | 2000-10-24 | Rpc Inc | Processos e dispositivos para a separação de catalisador de misturas de oxidação |
| US6433221B1 (en) | 1998-07-02 | 2002-08-13 | Rpc Inc. | Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid |
| US6340420B1 (en) | 1998-07-06 | 2002-01-22 | Rpc Inc. | Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids |
| EP1171409A1 (de) | 1999-04-20 | 2002-01-16 | RPC Inc. | Verfahren zum ersetzen von wasser und cyclohexanon mit essigsäure in wässerigen katalysatorlösungen |
-
0
- NL NL242734D patent/NL242734A/xx unknown
-
1959
- 1959-07-21 ES ES0251660A patent/ES251660A1/es not_active Expired
- 1959-07-25 BE BE581049A patent/BE581049A/fr unknown
- 1959-08-27 DE DEH37285A patent/DE1114472B/de active Pending
- 1959-09-01 CH CH7764259A patent/CH377795A/de unknown
- 1959-09-01 GB GB2982559A patent/GB864106A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE581049A (fr) | 1959-11-16 |
| ES251660A1 (es) | 1960-01-01 |
| GB864106A (en) | 1961-03-29 |
| NL242734A (de) | |
| DE1114472B (de) | 1961-10-05 |
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