DK356779A - Femgangsmaade til fremstilling af benzoesyreanhydrid - Google Patents
Femgangsmaade til fremstilling af benzoesyreanhydridInfo
- Publication number
- DK356779A DK356779A DK356779A DK356779A DK356779A DK 356779 A DK356779 A DK 356779A DK 356779 A DK356779 A DK 356779A DK 356779 A DK356779 A DK 356779A DK 356779 A DK356779 A DK 356779A
- Authority
- DK
- Denmark
- Prior art keywords
- way
- benzoic anhydride
- prepare benzoic
- prepare
- anhydride
- Prior art date
Links
- NOGFHTGYPKWWRX-UHFFFAOYSA-N 2,2,6,6-tetramethyloxan-4-one Chemical compound CC1(C)CC(=O)CC(C)(C)O1 NOGFHTGYPKWWRX-UHFFFAOYSA-N 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
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782837457 DE2837457A1 (de) | 1978-08-28 | 1978-08-28 | Verfahren zur herstellung von benzoesaeureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK356779A true DK356779A (da) | 1980-02-29 |
Family
ID=6048062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK356779A DK356779A (da) | 1978-08-28 | 1979-08-27 | Femgangsmaade til fremstilling af benzoesyreanhydrid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4562010A (enExample) |
| EP (1) | EP0008445B1 (enExample) |
| JP (1) | JPS5533492A (enExample) |
| BR (1) | BR7905480A (enExample) |
| CS (1) | CS208132B2 (enExample) |
| DE (2) | DE2837457A1 (enExample) |
| DK (1) | DK356779A (enExample) |
| HU (1) | HU180424B (enExample) |
| IL (1) | IL58104A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2904313A1 (fr) * | 2006-07-27 | 2008-02-01 | Rhodia Recherches & Tech | Procede de preparation d'un anhydride d'acide sulfonique |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE368340C (de) * | 1920-07-01 | 1923-02-05 | Wacker Chemie Gmbh | Verfahren zur Darstellung von Saeureanhydriden |
| GB280373A (en) * | 1926-11-29 | 1927-11-17 | British Dyestuffs Corp Ltd | Improvements in the manufacture of aromatic acid anhydrides |
| US3438882A (en) * | 1964-09-11 | 1969-04-15 | Pfizer & Co C | Process for the preparation of oxygencontaining chemical compounds |
-
1978
- 1978-08-28 DE DE19782837457 patent/DE2837457A1/de not_active Withdrawn
-
1979
- 1979-08-17 EP EP79103006A patent/EP0008445B1/de not_active Expired
- 1979-08-17 DE DE7979103006T patent/DE2960066D1/de not_active Expired
- 1979-08-24 IL IL58104A patent/IL58104A/xx unknown
- 1979-08-27 BR BR7905480A patent/BR7905480A/pt unknown
- 1979-08-27 HU HU79BA3837A patent/HU180424B/hu unknown
- 1979-08-27 JP JP10825279A patent/JPS5533492A/ja active Granted
- 1979-08-27 DK DK356779A patent/DK356779A/da unknown
- 1979-08-28 CS CS795846A patent/CS208132B2/cs unknown
-
1985
- 1985-02-20 US US06/703,373 patent/US4562010A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR7905480A (pt) | 1980-05-13 |
| EP0008445B1 (de) | 1980-12-10 |
| IL58104A0 (en) | 1979-12-30 |
| EP0008445A1 (de) | 1980-03-05 |
| JPS626698B2 (enExample) | 1987-02-13 |
| CS208132B2 (en) | 1981-08-31 |
| HU180424B (en) | 1983-03-28 |
| JPS5533492A (en) | 1980-03-08 |
| DE2837457A1 (de) | 1980-03-20 |
| IL58104A (en) | 1982-01-31 |
| US4562010A (en) | 1985-12-31 |
| DE2960066D1 (en) | 1981-02-19 |
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