BE808764A - Procede perfectionne de fabrication d'anhydride phtalique - Google Patents
Procede perfectionne de fabrication d'anhydride phtaliqueInfo
- Publication number
- BE808764A BE808764A BE138981A BE138981A BE808764A BE 808764 A BE808764 A BE 808764A BE 138981 A BE138981 A BE 138981A BE 138981 A BE138981 A BE 138981A BE 808764 A BE808764 A BE 808764A
- Authority
- BE
- Belgium
- Prior art keywords
- phthalic anhydride
- perfected process
- manufacturing phthalic
- manufacturing
- perfected
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method 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)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US325599A US3895038A (en) | 1973-01-22 | 1973-01-22 | Phthalic anhydride process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE808764A true BE808764A (fr) | 1974-06-18 |
Family
ID=23268562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE138981A BE808764A (fr) | 1973-01-22 | 1973-12-18 | Procede perfectionne de fabrication d'anhydride phtalique |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3895038A (fr) |
| BE (1) | BE808764A (fr) |
| DE (1) | DE2363070A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1851383A (en) * | 1930-05-31 | 1932-03-29 | Selden Res & Engineering Corp | Purifying phthalic anhydride |
| US2064468A (en) * | 1933-04-27 | 1936-12-15 | Nat Aniline & Chem Co Inc | Production of phthalic anhydride in finely divided solid form |
| US2076033A (en) * | 1934-12-31 | 1937-04-06 | Solvay Process Co | Phthalic anhydride recovery |
-
1973
- 1973-01-22 US US325599A patent/US3895038A/en not_active Expired - Lifetime
- 1973-12-18 BE BE138981A patent/BE808764A/fr unknown
- 1973-12-19 DE DE2363070A patent/DE2363070A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2363070A1 (de) | 1974-07-25 |
| US3895038A (en) | 1975-07-15 |
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