BE728411A - - Google Patents
Info
- Publication number
- BE728411A BE728411A BE728411DA BE728411A BE 728411 A BE728411 A BE 728411A BE 728411D A BE728411D A BE 728411DA BE 728411 A BE728411 A BE 728411A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/87—Preparation of ketenes or dimeric ketenes
- C07C45/90—Separation; Purification; Stabilisation; Use of additives
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681643758 DE1643758B1 (en) | 1968-02-17 | 1968-02-17 | Method of obtaining ketene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE728411A true BE728411A (en) | 1969-08-14 |
Family
ID=5684392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE728411D BE728411A (en) | 1968-02-17 | 1969-02-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE728411A (en) |
| CH (1) | CH508570A (en) |
| DE (1) | DE1643758B1 (en) |
| GB (1) | GB1247392A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3046219A1 (en) * | 1980-12-08 | 1982-07-15 | Hoechst Ag, 6000 Frankfurt | METHOD FOR PRODUCING KETENS |
-
1968
- 1968-02-17 DE DE19681643758 patent/DE1643758B1/en active Pending
-
1969
- 1969-02-05 CH CH176569A patent/CH508570A/en not_active IP Right Cessation
- 1969-02-14 BE BE728411D patent/BE728411A/xx unknown
- 1969-02-14 GB GB809169A patent/GB1247392A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1643758B1 (en) | 1970-12-17 |
| GB1247392A (en) | 1971-09-22 |
| CH508570A (en) | 1971-06-15 |