NOUVEAU POLYMÈRE DE TYPE POLY(ÉTHER-PHOSPHORAMIDE) ET PROCÉDÉ D EXTRACTION D'UNE TERRE RARE D'UN MILIEU LIQUIDE METTANT EN OEUVRE UN TEL POLYMÈRE
European patent · EP4559952 · In force
Register entry
- Publication number
- EP4559952
- Application number
- EP23307054
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Nov 24, 2023
- Published
- May 28, 2025
- Granted
- Aug 5, 2026
- Protection ends at the latest
- Nov 23, 2043
- Next annual fee due
- Nov 30, 2026
- IPC classes
- C08G 65/335 (2006.01)B01J 20/26 (2006.01)C22B 59/00 (2006.01)
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Aug 5, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 05.08.2026
Parties
Holder
Centre National de la Recherche Scientifique
3, rue Michel Ange, 75016 Paris, FR
Institut National des Sciences Appliquées de Lyon
20 Avenue Albert Einstein, 69100 Villeurbanne, FR
Université Claude Bernard Lyon I
43 Boulevard du 11 Novembre 1918, 69100 Villeurbanne, FR
Institut National de Recherche et d'Analyse Physico-Chimique
Pôle Technologique Sidi Thabet 2020, Ariana- Tunis, TN
Inventor
JAFFREZIC, Nicole
69130 ECULLY, FR
CASABIANCA, Hervé
69100 VILLEURBANNE, FR
MERCIER, Régis
69540 IRIGNY, FR
MARESTIN, Catherine
69230 SAINT-GENIS-LAVAL, FR
CHATTI, Saber
69100 VILLEURBANNE, FR
CHABBAH, Taha
69100 VILLEURBANNE, FR
SCHIETS, Frédéric
69100 VILLEURBANNE, FR
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.