PROCÉDÉ DE DÉPOLYMÉRISATION D'UNE CHARGE POLYSTYRÉNIQUE PAR PYROLYSE
European patent · EP4547629 · In force
Register entry
- Publication number
- EP4547629
- Application number
- EP23735318
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 27, 2023
- Published
- May 7, 2025
- Granted
- Aug 19, 2026
- Protection ends at the latest
- Jun 26, 2043
- Next annual fee due
- Jun 30, 2027
- IPC classes
- C07C 4/22 (2006.01)C08J 11/12 (2006.01)C10G 1/10 (2006.01)
- Priority
- FR 2206627 30.06.2022
- PCT application
- PCT/EP2023/067414 27.06.2023
- PCT publication
- WO2024/003021 04.01.2024
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Aug 19, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 19.08.2026
Parties
Holder
Inventor
MAISONNEUVE, Lise
63040 CLERMONT-FERRAND CEDEX 09, FR
MATHIEU, Florent
63040 CLERMONT-FERRAND CEDEX 09, 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.