BE712841A - - Google Patents
Info
- Publication number
- BE712841A BE712841A BE712841DA BE712841A BE 712841 A BE712841 A BE 712841A BE 712841D A BE712841D A BE 712841DA BE 712841 A BE712841 A BE 712841A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/20—Spiro-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicines Containing Plant Substances (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE712841 | 1968-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE712841A true BE712841A (el) | 1968-07-31 |
Family
ID=3852653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE712841D BE712841A (el) | 1968-03-27 | 1968-03-27 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE712841A (el) |
DE (1) | DE1914987A1 (el) |
FR (1) | FR2004853A1 (el) |
OA (1) | OA03025A (el) |
-
1968
- 1968-03-27 BE BE712841D patent/BE712841A/xx not_active IP Right Cessation
-
1969
- 1969-03-22 OA OA53555A patent/OA03025A/xx unknown
- 1969-03-25 DE DE19691914987 patent/DE1914987A1/de active Pending
- 1969-03-26 FR FR6909002A patent/FR2004853A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2004853A1 (en) | 1969-12-05 |
DE1914987A1 (de) | 1970-04-16 |
OA03025A (fr) | 1970-12-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: OMNIUM CHIMIQUE S.A. Effective date: 19880327 |