AT311308B - Verfahren zur Gewinnung von Maleinsäureanhydrid - Google Patents
Verfahren zur Gewinnung von MaleinsäureanhydridInfo
- Publication number
- AT311308B AT311308B AT741371A AT741371A AT311308B AT 311308 B AT311308 B AT 311308B AT 741371 A AT741371 A AT 741371A AT 741371 A AT741371 A AT 741371A AT 311308 B AT311308 B AT 311308B
- Authority
- AT
- Austria
- Prior art keywords
- production
- maleic anhydride
- maleic
- anhydride
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0081—Feeding the steam or the vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0012—Vertical tubes
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1271470A CH533591A (de) | 1970-08-25 | 1970-08-25 | Verfahren zur Gewinnung von Maleinsäureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT311308B true AT311308B (de) | 1973-11-12 |
Family
ID=4385696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT741371A AT311308B (de) | 1970-08-25 | 1971-08-24 | Verfahren zur Gewinnung von Maleinsäureanhydrid |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT311308B (enrdf_load_stackoverflow) |
| BE (1) | BE771509A (enrdf_load_stackoverflow) |
| CH (1) | CH533591A (enrdf_load_stackoverflow) |
| DE (1) | DE2142195A1 (enrdf_load_stackoverflow) |
| ES (1) | ES394443A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2106043A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1356280A (enrdf_load_stackoverflow) |
| IT (1) | IT941667B (enrdf_load_stackoverflow) |
| NL (1) | NL7111195A (enrdf_load_stackoverflow) |
| ZA (1) | ZA715686B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1091678A (en) * | 1977-06-24 | 1980-12-16 | Chevron Research And Technology Company | Process for recovering maleic anhydride by condensation |
-
1970
- 1970-08-25 CH CH1271470A patent/CH533591A/de not_active IP Right Cessation
-
1971
- 1971-08-07 IT IT27320/71A patent/IT941667B/it active
- 1971-08-13 NL NL7111195A patent/NL7111195A/xx not_active Application Discontinuation
- 1971-08-19 BE BE771509A patent/BE771509A/xx unknown
- 1971-08-23 DE DE19712142195 patent/DE2142195A1/de active Pending
- 1971-08-23 ES ES394443A patent/ES394443A1/es not_active Expired
- 1971-08-24 GB GB3969271A patent/GB1356280A/en not_active Expired
- 1971-08-24 AT AT741371A patent/AT311308B/de not_active IP Right Cessation
- 1971-08-25 ZA ZA715686A patent/ZA715686B/xx unknown
- 1971-08-25 FR FR7130894A patent/FR2106043A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES394443A1 (es) | 1974-03-01 |
| CH533591A (de) | 1973-02-15 |
| BE771509A (fr) | 1971-12-31 |
| FR2106043A5 (enrdf_load_stackoverflow) | 1972-04-28 |
| DE2142195A1 (enrdf_load_stackoverflow) | 1972-03-02 |
| IT941667B (it) | 1973-03-10 |
| ZA715686B (en) | 1972-04-26 |
| NL7111195A (enrdf_load_stackoverflow) | 1972-02-29 |
| GB1356280A (en) | 1974-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |