JPS5029525A - - Google Patents
Info
- Publication number
- JPS5029525A JPS5029525A JP48126152A JP12615273A JPS5029525A JP S5029525 A JPS5029525 A JP S5029525A JP 48126152 A JP48126152 A JP 48126152A JP 12615273 A JP12615273 A JP 12615273A JP S5029525 A JPS5029525 A JP S5029525A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255400A DE2255400B2 (de) | 1972-11-11 | 1972-11-11 | Verfahren zur Abscheidung von Phthalsäureanhydrid |
| US42290373A | 1973-12-07 | 1973-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5029525A true JPS5029525A (ja) | 1975-03-25 |
| JPS5844669B2 JPS5844669B2 (ja) | 1983-10-04 |
Family
ID=25764068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48126152A Expired JPS5844669B2 (ja) | 1972-11-11 | 1973-11-09 | ムスイフタルサンノブンリホウホウ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4062871A (ja) |
| JP (1) | JPS5844669B2 (ja) |
| DE (1) | DE2255400B2 (ja) |
| FR (1) | FR2206307B1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391617A (en) * | 1978-09-15 | 1983-07-05 | Way Peter F | Process for the recovery of vaporized sublimates from gas streams |
| US4252772A (en) * | 1978-09-15 | 1981-02-24 | Way Peter F | Apparatus for the recovery of vaporized phthalic anhydride from gas streams |
| DE3411732A1 (de) * | 1984-03-30 | 1985-10-10 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum periodischen beheizen des produktabscheiders einer anlage zur herstellung von phthalsaeureanhydrid oder maleinsaeureanhydrid |
| DE19852894B4 (de) * | 1998-11-17 | 2007-02-15 | GEA Luftkühler GmbH | Verfahren zur Gewinnung von Phthalsäureanhydrid durch katalytische Gasphasenreaktion und Vorrichtung zur Durchführung des Verfahrens |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471521A (en) * | 1964-07-20 | 1969-10-07 | United States Steel Corp | Method of reducing deposition of solids and tarry materials from a gaseous effluent in the oxidation of an organic hydrocarbon to produce phthalic anhydride |
| DE2005628A1 (ja) * | 1970-02-07 | 1970-10-29 |
-
1972
- 1972-11-11 DE DE2255400A patent/DE2255400B2/de not_active Ceased
-
1973
- 1973-11-08 FR FR7339638A patent/FR2206307B1/fr not_active Expired
- 1973-11-09 JP JP48126152A patent/JPS5844669B2/ja not_active Expired
-
1975
- 1975-02-14 US US05/549,998 patent/US4062871A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2255400B2 (de) | 1974-10-10 |
| FR2206307A1 (ja) | 1974-06-07 |
| FR2206307B1 (ja) | 1977-08-05 |
| JPS5844669B2 (ja) | 1983-10-04 |
| DE2255400A1 (de) | 1974-05-30 |
| US4062871A (en) | 1977-12-13 |