BE728619A - - Google Patents
Info
- Publication number
- BE728619A BE728619A BE728619DA BE728619A BE 728619 A BE728619 A BE 728619A BE 728619D A BE728619D A BE 728619DA BE 728619 A BE728619 A BE 728619A
- 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 |
|---|---|---|---|
| DE19681643759 DE1643759B2 (de) | 1968-02-21 | 1968-02-21 | Verfahren zum Verdichten von Keten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE728619A true BE728619A (nl) | 1969-08-19 |
Family
ID=5684393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE728619D BE728619A (nl) | 1968-02-21 | 1969-02-19 |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT284806B (nl) |
| BE (1) | BE728619A (nl) |
-
1969
- 1969-02-19 BE BE728619D patent/BE728619A/xx unknown
- 1969-02-21 AT AT177369A patent/AT284806B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT284806B (de) | 1970-09-25 |