GB1167793A - Separation of Methacrylic Acid and Acrylic Acid - Google Patents
Separation of Methacrylic Acid and Acrylic AcidInfo
- Publication number
- GB1167793A GB1167793A GB768867A GB768867A GB1167793A GB 1167793 A GB1167793 A GB 1167793A GB 768867 A GB768867 A GB 768867A GB 768867 A GB768867 A GB 768867A GB 1167793 A GB1167793 A GB 1167793A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extraction
- acrylic
- separation
- acid
- feb
- 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.)
- Expired
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)
- Hydrogenated Pyridines (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB0085874 | 1966-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1167793A true GB1167793A (en) | 1969-10-22 |
Family
ID=6983107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB768867A Expired GB1167793A (en) | 1966-02-19 | 1967-02-17 | Separation of Methacrylic Acid and Acrylic Acid |
Country Status (5)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040913A (en) * | 1975-09-02 | 1977-08-09 | Rohm And Haas Company | Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid |
WO2005021470A2 (en) * | 2003-06-26 | 2005-03-10 | Cargill, Incorporated | Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
US7279598B2 (en) * | 2003-06-26 | 2007-10-09 | Xiangsheng Meng | Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2323328C2 (de) * | 1973-05-09 | 1982-04-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Abtrennung von Acrylsäure aus einer angesäuerten wäßrigen Butanol-Acrylsäure-Veresterungsablauge |
US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
DE19627850A1 (de) * | 1996-07-10 | 1998-01-15 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und Methacrylsäure |
-
1966
- 1966-02-19 DE DE19661568081 patent/DE1568081A1/de active Pending
-
1967
- 1967-02-15 NL NL6702292A patent/NL6702292A/xx unknown
- 1967-02-16 FR FR95220A patent/FR1511540A/fr not_active Expired
- 1967-02-17 BE BE694209D patent/BE694209A/xx unknown
- 1967-02-17 GB GB768867A patent/GB1167793A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040913A (en) * | 1975-09-02 | 1977-08-09 | Rohm And Haas Company | Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid |
WO2005021470A2 (en) * | 2003-06-26 | 2005-03-10 | Cargill, Incorporated | Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
WO2005021470A3 (en) * | 2003-06-26 | 2005-05-12 | Cargill Inc | Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
US7279598B2 (en) * | 2003-06-26 | 2007-10-09 | Xiangsheng Meng | Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
Also Published As
Publication number | Publication date |
---|---|
FR1511540A (fr) | 1968-01-26 |
DE1568081B2 (US20100154141A1-20100624-C00001.png) | 1974-11-14 |
DE1568081A1 (de) | 1970-02-05 |
BE694209A (US20100154141A1-20100624-C00001.png) | 1967-08-17 |
NL6702292A (US20100154141A1-20100624-C00001.png) | 1967-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
416 | Proceeding under section 16 patents act 1949 | ||
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |