FR2376855A1 - Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique - Google Patents
Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtaliqueInfo
- Publication number
- FR2376855A1 FR2376855A1 FR7700314A FR7700314A FR2376855A1 FR 2376855 A1 FR2376855 A1 FR 2376855A1 FR 7700314 A FR7700314 A FR 7700314A FR 7700314 A FR7700314 A FR 7700314A FR 2376855 A1 FR2376855 A1 FR 2376855A1
- Authority
- FR
- France
- Prior art keywords
- distn
- maleic anhydride
- phthalic anhydride
- anhydride
- dehydration
- 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700314A FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700314A FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2376855A1 true FR2376855A1 (fr) | 1978-08-04 |
FR2376855B1 FR2376855B1 (es) | 1979-08-24 |
Family
ID=9185215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700314A Granted FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2376855A1 (es) |
-
1977
- 1977-01-07 FR FR7700314A patent/FR2376855A1/fr active Granted
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
FR2376855B1 (es) | 1979-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |