PROCÉDÉ DE PURIFICATION D'UNE CHARGE ISSUE D'UN PROCÉDÉ DE DÉPOLYMÉRISATION DE COMPOSÉS STYRÉNIQUES
European patent · EP4402117 · In force
Register entry
- Publication number
- EP4402117
- Application number
- EP22789951
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Sep 8, 2022
- Published
- Jul 24, 2024
- Granted
- Oct 29, 2025
- Protection ends at the latest
- Sep 7, 2042
- Next annual fee due
- Sep 30, 2026
- IPC classes
- C07C 7/00 (2006.01)C07C 7/04 (2006.01)C07C 15/46 (2006.01)C07C 15/073 (2006.01)B01D 3/14 (2006.01)C08J 11/12 (2006.01)C10G 1/10 (2006.01)B01D 3/32 (2006.01)C10G 7/00 (2006.01)C10G 1/00 (2006.01)
- Priority
- FR 2109745 16.09.2021
- PCT application
- PCT/FR2022/051700 08.09.2022
- PCT publication
- WO2023/041862 23.03.2023
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 9, 2026
Change
Published in Swissreg on 09.09.2026
- Oct 29, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 29.10.2025
Parties
Inventor
PACHECO, Nuno
63040 Clermont-Ferrand Cedex 9, FR
KIENER, Pierre
63040 Clermont-Ferrand Cedex 9, FR
SÉRÉ-PEYRIGAIN, Pierre
63040 Clermont-Ferrand Cedex 9, 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.