FR2424248A2 - Procede de preparation d'acide terephtalique - Google Patents
Procede de preparation d'acide terephtaliqueInfo
- Publication number
- FR2424248A2 FR2424248A2 FR7910151A FR7910151A FR2424248A2 FR 2424248 A2 FR2424248 A2 FR 2424248A2 FR 7910151 A FR7910151 A FR 7910151A FR 7910151 A FR7910151 A FR 7910151A FR 2424248 A2 FR2424248 A2 FR 2424248A2
- Authority
- FR
- France
- Prior art keywords
- terephthalic acid
- preparing terephthalic
- halogenide
- free
- preparing
- 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.)
- Granted
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)
Abstract
ON PREPARE L'ACIDE TEREPHTALIQUE PAR OXYDATION DE P-XYLENE SUIVANT LE PROCEDE DECRIT DANS LE BREVET PRINCIPAL, EN UTILISANT COMME CATALYSEUR UN SEL DE MANGANESE EXEMPT D'HALOGENURE EN MELANGE AVEC UN SEL DE NICKEL EXEMPT D'HALOGENURE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89942578A | 1978-04-24 | 1978-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2424248A2 true FR2424248A2 (fr) | 1979-11-23 |
FR2424248B2 FR2424248B2 (fr) | 1984-01-20 |
Family
ID=25410944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910151A Granted FR2424248A2 (fr) | 1978-04-24 | 1979-04-23 | Procede de preparation d'acide terephtalique |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE875728R (fr) |
DE (1) | DE2916589A1 (fr) |
FR (1) | FR2424248A2 (fr) |
GB (1) | GB2019395B (fr) |
IT (1) | IT1166769B (fr) |
NL (1) | NL7903230A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN152155B (fr) * | 1978-10-02 | 1983-11-05 | Labofina Sa | |
EP0041778B2 (fr) * | 1980-06-10 | 1988-08-24 | Imperial Chemical Industries Plc | Oxydation de méta- ou de para-xylène en acide isophtalique ou térephtalique |
DE3170255D1 (en) * | 1980-06-10 | 1985-06-05 | Ici Plc | Oxidation of substituted aromatic compounds to aromatic carboxylic acids |
EP0041784A1 (fr) * | 1980-06-10 | 1981-12-16 | Imperial Chemical Industries Plc | Oxydation de composés aromatiques substitués en acides carboxyliques aromatiques |
-
1979
- 1979-04-09 GB GB7912419A patent/GB2019395B/en not_active Expired
- 1979-04-20 BE BE0/194730A patent/BE875728R/fr not_active IP Right Cessation
- 1979-04-23 FR FR7910151A patent/FR2424248A2/fr active Granted
- 1979-04-24 DE DE19792916589 patent/DE2916589A1/de not_active Withdrawn
- 1979-04-24 NL NL7903230A patent/NL7903230A/xx not_active Application Discontinuation
- 1979-04-24 IT IT22116/79A patent/IT1166769B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2019395A (en) | 1979-10-31 |
GB2019395B (en) | 1982-07-28 |
BE875728R (fr) | 1979-08-16 |
NL7903230A (nl) | 1979-10-26 |
IT1166769B (it) | 1987-05-06 |
FR2424248B2 (fr) | 1984-01-20 |
IT7922116A0 (it) | 1979-04-24 |
DE2916589A1 (de) | 1979-10-31 |
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