BE868363A - Procede d'isolement de l'anhydride maleique par condensation - Google Patents
Procede d'isolement de l'anhydride maleique par condensationInfo
- Publication number
- BE868363A BE868363A BE188773A BE188773A BE868363A BE 868363 A BE868363 A BE 868363A BE 188773 A BE188773 A BE 188773A BE 188773 A BE188773 A BE 188773A BE 868363 A BE868363 A BE 868363A
- Authority
- BE
- Belgium
- Prior art keywords
- condensation
- isolation
- maleic anhydride
- maleic
- anhydride
- 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
- C07C51/54—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)
- Furan Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80973477A | 1977-06-24 | 1977-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE868363A true BE868363A (fr) | 1978-10-16 |
Family
ID=25202106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE188773A BE868363A (fr) | 1977-06-24 | 1978-06-22 | Procede d'isolement 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 |
---|---|---|---|---|
DE3071503D1 (en) * | 1979-11-20 | 1986-04-24 | Ici Plc | Production of maleic anhydride |
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 |
---|---|
CA1091678A (fr) | 1980-12-16 |
DE2826919C2 (fr) | 1987-05-21 |
IT1096763B (it) | 1985-08-26 |
IT7824854A0 (it) | 1978-06-22 |
FR2395265B1 (fr) | 1983-06-03 |
NL7806705A (nl) | 1978-12-28 |
FR2395265A1 (fr) | 1979-01-19 |
GB1593610A (en) | 1981-07-22 |
DE2826919A1 (de) | 1979-01-18 |
JPS5412318A (en) | 1979-01-30 |
JPS5747194B2 (fr) | 1982-10-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE880291A (fr) | Procede de preparation d'anhydride phtalique | |
RO75478A (fr) | PROCEDE POUR LA PREPARATION DES DERIVES D'ACIDE ALPROCEDE POUR LA PREPARATION DES DERIVES DE L'ACIDE ALPHA-PHENO0YPROïIONIQUE PHA-PHENOXYPROPIONIQUE | |
RO75612A (fr) | Procede pour la preparation des macrolides | |
MX149367A (es) | Procedimiento mejorado para la preparacion de un terpolimero de anhidrido maleico | |
RO81037A (fr) | Procede de preparation des '-desacetyle-vincaleucoblastin-c3-carboxyhydrazide | |
BE879178A (fr) | Procede de preparation de diesters | |
BE867630A (fr) | Procede de preparation d'anhydride maleique | |
BE792879A (fr) | Procede d'isolement de l'anhydride maleique | |
PT69815A (fr) | Procede de preparation de l' o-methallyloxyphenol | |
BE818434A (fr) | Procede de transformation de l'anhydride maleique en gamma-butyrolactone | |
BE885483A (fr) | Procede de preparation d'anhydrides d'acides carboxyliques | |
BE886854A (fr) | Procede de preparation d'anhydride acetique | |
BE868363A (fr) | Procede d'isolement de l'anhydride maleique par condensation | |
PT68966A (fr) | Procede de preparation de nouveaux thiobutyramides | |
BE839454A (fr) | Procede d'isolement de la triethylenediamine | |
FR2351973A1 (fr) | Procede de preparation d'anhydride maleique | |
IT7821893A0 (it) | Sintesi di anidride maleica. | |
DK26278A (da) | Maleinsyreanhydridcopolymere | |
BE866525A (fr) | Procede de preparation de copolymeres d'anhydride d'acide maleique et de vinyltrialcoxysilanes | |
MX145572A (es) | Procedimiento mejorado para la produccion de anhidrido maleico | |
RO75093A (fr) | Procede de preparation de l'acetone de isobutyraldehide | |
BE870104A (fr) | Procede de preparation de 2-chlorosulfinyl-azetidin-4-ones | |
BE838931A (fr) | Preparation d'anhydride maleique a partir de n-butene | |
PT67685A (fr) | Procede de preparation de derives 17 alpha-acetyleniques de l'androst-4-ene | |
BE866904A (fr) | Procede de preparation de 3-bromophtalide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CHEVRON RESEARCH CY Effective date: 19960630 |