BE724844A - - Google Patents
Info
- Publication number
- BE724844A BE724844A BE724844DA BE724844A BE 724844 A BE724844 A BE 724844A BE 724844D A BE724844D A BE 724844DA BE 724844 A BE724844 A BE 724844A
- Authority
- BE
- Belgium
Links
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)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1750967A CH488644A (en) | 1967-12-13 | 1967-12-13 | Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE724844A true BE724844A (en) | 1969-05-16 |
Family
ID=4425979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE724844D BE724844A (en) | 1967-12-13 | 1968-12-03 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5120486B1 (en) |
| BE (1) | BE724844A (en) |
| CH (1) | CH488644A (en) |
| DE (1) | DE1809941A1 (en) |
| FR (1) | FR1595031A (en) |
| GB (1) | GB1227887A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189363B1 (en) * | 1972-06-21 | 1974-10-25 | Rhone Progil | |
| DE2356049C3 (en) * | 1973-11-09 | 1987-10-22 | Basf Ag | PRODUCTION OF MALEINIC ACID ANHYDRIDE FROM THE EXHAUST GASES OF PHTHALIC ACID ANHYDRIDE PRODUCTION |
-
1967
- 1967-12-13 CH CH1750967A patent/CH488644A/en not_active IP Right Cessation
-
1968
- 1968-11-20 DE DE19681809941 patent/DE1809941A1/en active Pending
- 1968-12-03 BE BE724844D patent/BE724844A/xx unknown
- 1968-12-09 GB GB1227887D patent/GB1227887A/en not_active Expired
- 1968-12-11 FR FR1595031D patent/FR1595031A/fr not_active Expired
- 1968-12-12 JP JP9060068A patent/JPS5120486B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5120486B1 (en) | 1976-06-25 |
| GB1227887A (en) | 1971-04-07 |
| DE1809941A1 (en) | 1969-07-17 |
| FR1595031A (en) | 1970-06-08 |
| CH488644A (en) | 1970-04-15 |