BE812185A - Procede d'extraction de l'anhydride phtalique - Google Patents
Procede d'extraction de l'anhydride phtaliqueInfo
- Publication number
- BE812185A BE812185A BE141909A BE141909A BE812185A BE 812185 A BE812185 A BE 812185A BE 141909 A BE141909 A BE 141909A BE 141909 A BE141909 A BE 141909A BE 812185 A BE812185 A BE 812185A
- Authority
- BE
- Belgium
- Prior art keywords
- extraction process
- phthalic anhydride
- anhydride extraction
- phthalic
- extraction
- Prior art date
Links
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732313306 DE2313306A1 (de) | 1973-03-17 | 1973-03-17 | Verfahren zur gewinnung von phthalsaeureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE812185A true BE812185A (fr) | 1974-09-12 |
Family
ID=5875040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE141909A BE812185A (fr) | 1973-03-17 | 1974-03-12 | Procede d'extraction de l'anhydride phtalique |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS49125330A (fr) |
| AT (1) | AT331783B (fr) |
| BE (1) | BE812185A (fr) |
| DE (1) | DE2313306A1 (fr) |
| GB (1) | GB1453507A (fr) |
| IT (1) | IT1008994B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3207208A1 (de) * | 1982-02-27 | 1983-09-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen gewinnung von phthalsaeureanhydrid und maleinsaeureanhydrid aus reaktionsgasen |
| DE19939629A1 (de) * | 1999-08-20 | 2001-02-22 | Basf Ag | Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid |
| KR101480945B1 (ko) * | 2014-04-07 | 2015-01-14 | 문재운 | 누수 방지용 볼밸브 |
-
1973
- 1973-03-17 DE DE19732313306 patent/DE2313306A1/de active Pending
-
1974
- 1974-03-01 IT IT4890974A patent/IT1008994B/it active
- 1974-03-12 BE BE141909A patent/BE812185A/fr unknown
- 1974-03-15 GB GB1158174A patent/GB1453507A/en not_active Expired
- 1974-03-15 AT AT216374A patent/AT331783B/de active
- 1974-03-18 JP JP3014374A patent/JPS49125330A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2313306A1 (de) | 1974-09-26 |
| JPS49125330A (fr) | 1974-11-30 |
| ATA216374A (de) | 1975-12-15 |
| IT1008994B (it) | 1976-11-30 |
| GB1453507A (en) | 1976-10-27 |
| AT331783B (de) | 1976-08-25 |
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