CH554302A
Nitration process
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority and filed
- Granted
- Today
16 members in 13 offices
Members16
| Document | Office | Kind | |
|---|---|---|---|
| CH525766A | Switzerland | A | |
| BE782871A | Belgium | A | |
| NL7205777A | Netherlands (Kingdom of the) | A | |
| DE2220377A1 | Germany | A1 | |
| FR2134636A1 | France | A1 | |
| BR7202653D0 | Brazil | D0 | |
| DD100456A5 | German Democratic Republic (until 1990) | A5 | |
| IT955196B | Italy | B | |
| US3836601A | United States of America | A | |
| CH554302AThis record | Switzerland | A | |
| GB1385368A | United Kingdom | A | |
| ES402219A1 | Spain | A1 | |
| FR2134636B1 | France | B1 | |
| CS188877B2 | Czechoslovakia (until 1993) | B2 | |
| JPS561290B1 | Japan | B1 | |
| DE2220377C2 | Germany | C2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Patent ceasedCeasedPL | PL |
Numbers
- Application
- 638771
Titles2
- German
- VERFAHREN UND APPARATUR ZUR DURCHFUEHRUNG VON NITRIERUNGEN.
- English
- METHOD AND APPARATUS FOR CARRYING OUT NITRATIONS.
Classification
- CPC, 5
- C07C205/47
- C07B43/02
- C07C201/08
- Y02P20/582
- C07C2603/24
- IPC, 3
- C07B43 02
- C07C201 08
- C07C205 47