CA1042459A - Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde - Google Patents
Process for producing a non-blackened phthalic acid from the corresponding tolualdehydeInfo
- Publication number
- CA1042459A CA1042459A CA244,015A CA244015A CA1042459A CA 1042459 A CA1042459 A CA 1042459A CA 244015 A CA244015 A CA 244015A CA 1042459 A CA1042459 A CA 1042459A
- Authority
- CA
- Canada
- Prior art keywords
- tolualdehyde
- terephthalic acid
- solvent
- acid
- reaction
- 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
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
-
- 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 |
---|---|---|---|
JP1212875A JPS5186437A (ja) | 1975-01-28 | 1975-01-28 | Futarusannokokushokukaboshiho |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1042459A true CA1042459A (en) | 1978-11-14 |
Family
ID=11796885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA244,015A Expired CA1042459A (en) | 1975-01-28 | 1976-01-21 | Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5186437A (it) |
BE (1) | BE837945A (it) |
CA (1) | CA1042459A (it) |
DE (1) | DE2603173A1 (it) |
FR (1) | FR2299306A1 (it) |
GB (1) | GB1518881A (it) |
IT (1) | IT1057065B (it) |
NL (1) | NL7600873A (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5195034A (en) * | 1975-02-14 | 1976-08-20 | Futarusanno kokushokukaboshihoho | |
JPS5432434A (en) * | 1977-08-12 | 1979-03-09 | Ici Ltd | Method of preparing phthalicacid by oxidation of trialdehyde |
EP0953561A1 (en) * | 1998-04-29 | 1999-11-03 | ARTEVA TECHNOLOGIES S.à.r.l. | Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde |
EP2808316B1 (en) | 2012-01-26 | 2018-09-05 | Toray Industries, Inc. | METHOD FOR PRODUCING p-XYLENE AND/OR p-TOLUALDEHYDE |
WO2014079572A1 (en) * | 2012-11-23 | 2014-05-30 | Eth Zurich | Method for the production of polyethylene terephthalate with a low carbon footprint |
JPWO2022172968A1 (it) | 2021-02-10 | 2022-08-18 |
-
1975
- 1975-01-28 JP JP1212875A patent/JPS5186437A/ja active Granted
-
1976
- 1976-01-21 CA CA244,015A patent/CA1042459A/en not_active Expired
- 1976-01-21 GB GB236476A patent/GB1518881A/en not_active Expired
- 1976-01-26 IT IT6716576A patent/IT1057065B/it active
- 1976-01-27 BE BE163833A patent/BE837945A/xx not_active IP Right Cessation
- 1976-01-27 FR FR7602164A patent/FR2299306A1/fr active Granted
- 1976-01-28 NL NL7600873A patent/NL7600873A/xx not_active Application Discontinuation
- 1976-01-28 DE DE19762603173 patent/DE2603173A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FR2299306B1 (it) | 1980-04-18 |
GB1518881A (en) | 1978-07-26 |
IT1057065B (it) | 1982-03-10 |
BE837945A (fr) | 1976-05-14 |
NL7600873A (nl) | 1976-07-30 |
JPS5744653B2 (it) | 1982-09-22 |
FR2299306A1 (fr) | 1976-08-27 |
DE2603173A1 (de) | 1976-07-29 |
JPS5186437A (ja) | 1976-07-29 |
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