BE777032A - PROCESS FOR THE EXTRACTION OF ACRYLIC ACID AND / OR METHACRYLIC ACID, - Google Patents
PROCESS FOR THE EXTRACTION OF ACRYLIC ACID AND / OR METHACRYLIC ACID,Info
- Publication number
- BE777032A BE777032A BE777032A BE777032A BE777032A BE 777032 A BE777032 A BE 777032A BE 777032 A BE777032 A BE 777032A BE 777032 A BE777032 A BE 777032A BE 777032 A BE777032 A BE 777032A
- Authority
- BE
- Belgium
- Prior art keywords
- extraction
- acid
- acrylic acid
- methacrylic acid
- methacrylic
- Prior art date
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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2161525A DE2161525A1 (en) | 1971-12-10 | 1971-12-10 | Extraction of acrylic and/or methacrylic acid - from soln, using a methylethyl ketone/benzene extractant mixture |
BE777032A BE777032A (en) | 1971-12-10 | 1971-12-21 | PROCESS FOR THE EXTRACTION OF ACRYLIC ACID AND / OR METHACRYLIC ACID, |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2161525A DE2161525A1 (en) | 1971-12-10 | 1971-12-10 | Extraction of acrylic and/or methacrylic acid - from soln, using a methylethyl ketone/benzene extractant mixture |
BE777032A BE777032A (en) | 1971-12-10 | 1971-12-21 | PROCESS FOR THE EXTRACTION OF ACRYLIC ACID AND / OR METHACRYLIC ACID, |
Publications (1)
Publication Number | Publication Date |
---|---|
BE777032A true BE777032A (en) | 1972-06-21 |
Family
ID=25656962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE777032A BE777032A (en) | 1971-12-10 | 1971-12-21 | PROCESS FOR THE EXTRACTION OF ACRYLIC ACID AND / OR METHACRYLIC ACID, |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE777032A (en) |
DE (1) | DE2161525A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383160A1 (en) * | 1977-03-16 | 1978-10-06 | Montedison Spa | PROCESS FOR SEPARATING UNSATURATED CARBOXYLIC ACIDS FROM THEIR AQUEOUS SOLUTIONS. |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554054A (en) * | 1983-12-09 | 1985-11-19 | Rohm And Haas Company | Methacrylic acid separation |
DE29608991U1 (en) * | 1996-05-20 | 1997-06-19 | Siemens AG, 80333 München | Actuator, in particular electric motor-gear actuator, for a motor vehicle |
DE19709392A1 (en) * | 1997-03-07 | 1998-09-10 | Basf Ag | Process for the extraction of (meth) acrylic acid |
-
1971
- 1971-12-10 DE DE2161525A patent/DE2161525A1/en active Pending
- 1971-12-21 BE BE777032A patent/BE777032A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383160A1 (en) * | 1977-03-16 | 1978-10-06 | Montedison Spa | PROCESS FOR SEPARATING UNSATURATED CARBOXYLIC ACIDS FROM THEIR AQUEOUS SOLUTIONS. |
Also Published As
Publication number | Publication date |
---|---|
DE2161525A1 (en) | 1973-06-20 |
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