LIGNINABTRENNUNG
European patent · EP4127308 · Deleted
Register entry
- Publication number
- EP4127308
- Application number
- EP21721965
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Mar 29, 2021
- Published
- Feb 8, 2023
- Granted
- Jan 21, 2026
- Deleted
- Oct 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- D21C 3/20 (2006.01)D21C 11/00 (2006.01)
- Priority
- FI 20205325 31.03.2020
- PCT application
- PCT/FI2021/050216 29.03.2021
- PCT publication
- WO2021/198555 07.10.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.10.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.10.2026
- Jan 21, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 21.01.2026
Parties
Holder
Chempolis Oy
90660 Oulu, FI
Inventor
ROUHIAINEN, Maija
90660 Oulu, FI
KUPIAINEN, Laura
90660 Oulu, FI
ROUSU, Päivi
90660 Oulu, FI
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.