BE838583A - Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant - Google Patents
Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondantInfo
- Publication number
- BE838583A BE838583A BE164339A BE164339A BE838583A BE 838583 A BE838583 A BE 838583A BE 164339 A BE164339 A BE 164339A BE 164339 A BE164339 A BE 164339A BE 838583 A BE838583 A BE 838583A
- Authority
- BE
- Belgium
- Prior art keywords
- undarkened
- tolualdehyde
- producing
- phthalic acid
- phthalic
- 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 |
---|---|---|---|
JP50019312A JPS5195034A (en) | 1975-02-14 | 1975-02-14 | Futarusanno kokushokukaboshihoho |
Publications (1)
Publication Number | Publication Date |
---|---|
BE838583A true BE838583A (fr) | 1976-05-28 |
Family
ID=11995885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE164339A BE838583A (fr) | 1975-02-14 | 1976-02-13 | Procede pour produire un acide phtalique non noirci a partir du tolualdehyde correspondant |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5195034A (ja) |
BE (1) | BE838583A (ja) |
CA (1) | CA1042014A (ja) |
DE (1) | DE2605882C2 (ja) |
FR (1) | FR2300753A1 (ja) |
GB (1) | GB1518901A (ja) |
NL (1) | NL180099C (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5446740A (en) * | 1977-09-20 | 1979-04-12 | Matsuyama Sekyu Kagaku Kk | Manufacture of highly pure terephthalic acid for direct polymerization |
JPS55145637A (en) * | 1979-05-02 | 1980-11-13 | Teijin Hercules Kk | Preparation of aromatic carboxylic acid or its methyl ester |
JPH0337579U (ja) * | 1989-08-22 | 1991-04-11 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2154147C3 (de) * | 1970-11-01 | 1978-03-16 | Maruzen Oil Co., Ltd., Osaka (Japan) | Verfahren zur Herstellung von Terephthalsäure |
JPS5186437A (ja) * | 1975-01-28 | 1976-07-29 | Mitsubishi Gas Chemical Co | Futarusannokokushokukaboshiho |
-
1975
- 1975-02-14 JP JP50019312A patent/JPS5195034A/ja active Granted
-
1976
- 1976-01-29 CA CA244,541A patent/CA1042014A/en not_active Expired
- 1976-02-06 GB GB477176A patent/GB1518901A/en not_active Expired
- 1976-02-11 NL NL7601392A patent/NL180099C/xx not_active IP Right Cessation
- 1976-02-13 DE DE19762605882 patent/DE2605882C2/de not_active Expired
- 1976-02-13 FR FR7604022A patent/FR2300753A1/fr active Granted
- 1976-02-13 BE BE164339A patent/BE838583A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2605882C2 (de) | 1983-07-28 |
CA1042014A (en) | 1978-11-07 |
JPS575777B2 (ja) | 1982-02-01 |
FR2300753A1 (fr) | 1976-09-10 |
NL7601392A (nl) | 1976-08-17 |
NL180099C (nl) | 1987-01-02 |
FR2300753B1 (ja) | 1978-11-10 |
NL180099B (nl) | 1986-08-01 |
DE2605882A1 (de) | 1976-08-26 |
GB1518901A (en) | 1978-07-26 |
JPS5195034A (en) | 1976-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: MITSUBISHI GAS CHEMICAL CY INC. Effective date: 19860228 |