FR2263997B3 - - Google Patents
Info
- Publication number
- FR2263997B3 FR2263997B3 FR7408903A FR7408903A FR2263997B3 FR 2263997 B3 FR2263997 B3 FR 2263997B3 FR 7408903 A FR7408903 A FR 7408903A FR 7408903 A FR7408903 A FR 7408903A FR 2263997 B3 FR2263997 B3 FR 2263997B3
- Authority
- FR
- France
- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408903A FR2263997A1 (en) | 1974-03-15 | 1974-03-15 | Dicarboxylic acids purifn - using extractant selected from aliph and arom ketones and dialkyl amides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408903A FR2263997A1 (en) | 1974-03-15 | 1974-03-15 | Dicarboxylic acids purifn - using extractant selected from aliph and arom ketones and dialkyl amides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2263997A1 FR2263997A1 (en) | 1975-10-10 |
FR2263997B3 true FR2263997B3 (zh) | 1976-12-24 |
Family
ID=9136390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7408903A Granted FR2263997A1 (en) | 1974-03-15 | 1974-03-15 | Dicarboxylic acids purifn - using extractant selected from aliph and arom ketones and dialkyl amides |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2263997A1 (zh) |
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1974
- 1974-03-15 FR FR7408903A patent/FR2263997A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2263997A1 (en) | 1975-10-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |