CA1091678A - Recuperation de l'anhydride maleique par condensation - Google Patents
Recuperation de l'anhydride maleique par condensationInfo
- Publication number
- CA1091678A CA1091678A CA304,164A CA304164A CA1091678A CA 1091678 A CA1091678 A CA 1091678A CA 304164 A CA304164 A CA 304164A CA 1091678 A CA1091678 A CA 1091678A
- Authority
- CA
- Canada
- Prior art keywords
- maleic anhydride
- water
- anhydride
- temperature
- process according
- 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
- C07C51/54—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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80973477A | 1977-06-24 | 1977-06-24 | |
US809,734 | 1977-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1091678A true CA1091678A (fr) | 1980-12-16 |
Family
ID=25202106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA304,164A Expired CA1091678A (fr) | 1977-06-24 | 1978-05-26 | Recuperation de l'anhydride maleique par condensation |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5412318A (fr) |
BE (1) | BE868363A (fr) |
CA (1) | CA1091678A (fr) |
DE (1) | DE2826919A1 (fr) |
FR (1) | FR2395265A1 (fr) |
GB (1) | GB1593610A (fr) |
IT (1) | IT1096763B (fr) |
NL (1) | NL7806705A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029317B1 (fr) * | 1979-11-20 | 1986-03-19 | Imperial Chemical Industries Plc | Préparation d'anhydride maléique |
US5972174A (en) * | 1998-01-13 | 1999-10-26 | Huntsman Petrochemical Corporation | Process for the purification of maleic anhydride |
JP2005035959A (ja) * | 2003-07-18 | 2005-02-10 | Nippon Shokubai Co Ltd | 無水マレイン酸の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2211160A (en) * | 1937-02-05 | 1940-08-13 | Nat Aniline & Chem Co Inc | Process of recovering maleic anhydride |
US2215070A (en) * | 1938-05-11 | 1940-09-17 | Hercules Powder Co Ltd | Method for the production of maleic anhydride |
FR1140176A (fr) * | 1955-01-13 | 1957-07-16 | Basf Ag | Procédé de production d'anhydride maléique |
FR1151540A (fr) * | 1955-04-20 | 1958-01-31 | Montedison Spa | Procédé pour séparer l'anhydride maléique cristallin et pur directement des mélanges de gaz et vapeur d'eau qui le contiennent |
US2951555A (en) * | 1958-07-11 | 1960-09-06 | Monsanto Chemicals | Recovery of maleic anhydride |
DE1084239B (de) * | 1959-02-11 | 1960-06-30 | Gea Luftkuehler Ges M B H | Verfahren und Vorrichtung zur kontinuierlichen Abscheidung von Sublimationsproduktenaus heissen Traegergasen |
GB969283A (en) * | 1961-07-03 | 1964-09-09 | Halcon International Inc | Recovery of maleic anhydride |
LU40406A1 (fr) * | 1961-07-17 | 1961-09-18 | ||
FR1303126A (fr) * | 1961-07-27 | 1962-09-07 | Saint Gobain | Procédé de séparation d'anhydride maléique à partir de mélanges gazeux |
FR1338255A (fr) * | 1962-11-08 | 1963-09-20 | Harpener Bergbau Ag | Perfectionnements apportés aux procédés d'obtention d'anhydride maléique |
CH533591A (de) * | 1970-08-25 | 1973-02-15 | Prolizenz Ag | Verfahren zur Gewinnung von Maleinsäureanhydrid |
-
1978
- 1978-05-26 GB GB23605/78A patent/GB1593610A/en not_active Expired
- 1978-05-26 CA CA304,164A patent/CA1091678A/fr not_active Expired
- 1978-06-16 FR FR7818152A patent/FR2395265A1/fr active Granted
- 1978-06-20 DE DE19782826919 patent/DE2826919A1/de active Granted
- 1978-06-21 NL NL7806705A patent/NL7806705A/xx not_active Application Discontinuation
- 1978-06-22 BE BE188773A patent/BE868363A/fr not_active IP Right Cessation
- 1978-06-22 IT IT24854/78A patent/IT1096763B/it active
- 1978-06-23 JP JP7633178A patent/JPS5412318A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2395265A1 (fr) | 1979-01-19 |
NL7806705A (nl) | 1978-12-28 |
IT1096763B (it) | 1985-08-26 |
BE868363A (fr) | 1978-10-16 |
JPS5412318A (en) | 1979-01-30 |
DE2826919A1 (de) | 1979-01-18 |
FR2395265B1 (fr) | 1983-06-03 |
JPS5747194B2 (fr) | 1982-10-07 |
IT7824854A0 (it) | 1978-06-22 |
GB1593610A (en) | 1981-07-22 |
DE2826919C2 (fr) | 1987-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |