WIEDERVERWERTUNG VON STYROLOLIGOMEREN DURCH DEPOLYMERISIERUNGSVERFAHREN
European patent · EP4298077 · Deleted
Register entry
- Publication number
- EP4298077
- Application number
- EP22707147
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Feb 22, 2022
- Published
- Jan 3, 2024
- Granted
- Nov 27, 2024
- Deleted
- Sep 23, 2025
- Reason
- Annual fee unpaid
- IPC classes
- C07C 4/22 (2006.01)C07C 15/46 (2006.01)
- Priority
- EP 21159259 25.02.2021
- PCT application
- PCT/EP2022/054391 22.02.2022
- PCT publication
- WO2022/180030 01.09.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 8, 2025
Change
Published in Swissreg on 08.10.2025
- Sep 23, 2025
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.09.2025
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.09.2025
- Nov 27, 2024
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 27.11.2024
Parties
Inventor
NIESSNER, Norbert
67159 Friedelsheim, DE
WILHELMUS, Bianca
63456 Hanau, DE
SCHMIDT-RODENKIRCHEN, Achim
95445 Bayreuth, DE
MIERDEL, Konstantin
95444 Bayreuth, DE
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.