FR1409396A - Procédé de préparation d'acide et d'anhydride pyromellitique - Google Patents

Procédé de préparation d'acide et d'anhydride pyromellitique

Info

Publication number: FR1409396A
Authority: FR; France
Prior art keywords: anhydride; pyromellitic acid; preparing pyromellitic; preparing; acid
Prior art date: 1964-07-16
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

Application number

FR981839A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU

Original Assignee

Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU

Priority date (The priority date 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 date listed.)

1964-07-16

Filing date

1964-07-16

Publication date

1965-08-27

1964-07-16 Application filed by Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU

1964-07-16 Priority to FR981839A priority Critical patent/FR1409396A/fr

1965-08-27 Application granted granted Critical

1965-08-27 Publication of FR1409396A publication Critical patent/FR1409396A/fr

Status Expired legal-status Critical Current

Links

CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 title 2
ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/313—Monocyclic acids containing more than three 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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- 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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)

FR981839A 1964-07-16 1964-07-16 Procédé de préparation d'acide et d'anhydride pyromellitique Expired FR1409396A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR981839A FR1409396A (fr)	1964-07-16	1964-07-16	Procédé de préparation d'acide et d'anhydride pyromellitique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR981839A FR1409396A (fr)	1964-07-16	1964-07-16	Procédé de préparation d'acide et d'anhydride pyromellitique

Publications (1)

Publication Number	Publication Date
FR1409396A true FR1409396A (fr)	1965-08-27

Family

ID=8834637

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR981839A Expired FR1409396A (fr)	1964-07-16	1964-07-16	Procédé de préparation d'acide et d'anhydride pyromellitique

Country Status (1)

Country	Link
FR (1)	FR1409396A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN119977985A (zh) *	2025-02-08	2025-05-13	辽宁兴福新材料股份有限公司	一种高纯度均苯四甲酸二酐的制备方法

1964
- 1964-07-16 FR FR981839A patent/FR1409396A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN119977985A (zh) *	2025-02-08	2025-05-13	辽宁兴福新材料股份有限公司	一种高纯度均苯四甲酸二酐的制备方法
CN119977985B (zh) *	2025-02-08	2025-10-10	辽宁兴福新材料股份有限公司	一种高纯度均苯四甲酸二酐的制备方法

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