BE719042A - - Google Patents
Info
- Publication number
- BE719042A BE719042A BE719042DA BE719042A BE 719042 A BE719042 A BE 719042A BE 719042D A BE719042D A BE 719042DA BE 719042 A BE719042 A BE 719042A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE48175 | 1968-08-05 | ||
| BE719042 | 1968-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE719042A true BE719042A (zh) | 1969-01-16 |
Family
ID=34137115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE719042D BE719042A (zh) | 1968-08-05 | 1968-08-05 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE719042A (zh) |
| DE (2) | DE6930764U (zh) |
-
1968
- 1968-08-05 BE BE719042D patent/BE719042A/xx unknown
-
1969
- 1969-08-01 DE DE19696930764 patent/DE6930764U/de not_active Expired
- 1969-08-02 DE DE19691939541 patent/DE1939541A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE6930764U (de) | 1970-03-19 |
| DE1939541A1 (de) | 1970-02-19 |