BE393839A - - Google Patents
Info
- Publication number
- BE393839A BE393839A BE393839DA BE393839A BE 393839 A BE393839 A BE 393839A BE 393839D A BE393839D A BE 393839DA BE 393839 A BE393839 A BE 393839A
- 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
- C07C45/88—Preparation of ketenes or dimeric ketenes from ketones
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US591151A US1975663A (en) | 1932-02-05 | 1932-02-05 | Process and apparatus for making ketene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393839A true BE393839A (el) |
Family
ID=24365266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393839D BE393839A (el) | 1932-02-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1975663A (el) |
| BE (1) | BE393839A (el) |
| FR (1) | FR749245A (el) |
| GB (1) | GB413709A (el) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467993A (en) * | 1943-11-10 | 1949-04-19 | Cabot Godfrey L Inc | Manufacture of formaldehyde and apparatus therefor |
| US2521207A (en) * | 1945-10-23 | 1950-09-05 | Shawinigan Chem Ltd | Gaseous reaction furnace and controller |
| US2541471A (en) * | 1947-07-11 | 1951-02-13 | Eastman Kodak Co | Furnace for pyrolyzing ketenizable organic compounds |
| DE1101403B (de) * | 1958-08-01 | 1961-03-09 | Hoffmann La Roche | Verfahren zur Herstellung von Keten |
| US5475144A (en) * | 1994-06-08 | 1995-12-12 | The University Of Delaware | Catalyst and process for synthesis of ketenes from carboxylic acids |
-
0
- BE BE393839D patent/BE393839A/xx unknown
-
1932
- 1932-02-05 US US591151A patent/US1975663A/en not_active Expired - Lifetime
-
1933
- 1933-01-19 FR FR749245D patent/FR749245A/fr not_active Expired
- 1933-01-20 GB GB1970/33A patent/GB413709A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1975663A (en) | 1934-10-02 |
| FR749245A (fr) | 1933-07-20 |
| GB413709A (en) | 1934-07-20 |