BE454057A - - Google Patents
Info
- Publication number
- BE454057A BE454057A BE454057DA BE454057A BE 454057 A BE454057 A BE 454057A BE 454057D A BE454057D A BE 454057DA BE 454057 A BE454057 A BE 454057A
- 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
- C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE901452X | 1943-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454057A true BE454057A (xx) |
Family
ID=6858555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454057D BE454057A (xx) | 1943-01-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE454057A (xx) |
| FR (1) | FR901452A (xx) |
-
0
- BE BE454057D patent/BE454057A/xx unknown
-
1944
- 1944-01-21 FR FR901452D patent/FR901452A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR901452A (fr) | 1945-07-27 |