Procédé de fabrication d'hydrogène et de soufre élémentaire par oxydo-réduction photochimique de l'hydrogène sulfuré et des sulfures
European patent · EP0066540 · Deleted
Register entry
- Publication number
- EP0066540
- Application number
- EP82810217
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- May 21, 1982
- Published
- Dec 8, 1982
- Granted
- Dec 5, 1984
- Deleted
- May 31, 1990
- Reason
- Annual fee unpaid
- IPC classes
- C01B 3/04 (2006.01)C01B 17/06 (2006.01)B01J 23/06 (2006.01)B01J 23/46 (2006.01)
- Priority
- CH A 3636/81 03.06.1981
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 25, 2024
Deleted, fee unpaid
Published in Swissreg on 25.10.2024
Parties
Inventor
Kalyanasundaram, Kuppuswamy
CH-1022 Chavannes
Borgarello, Enrico
CH-1026 Echandens
Pelizzetti, Ezio
I-10126 Torino, IT
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.