IMIDAZOPYRAZINDERIVATE
European patent · EP4161931 · In force
Register entry
- Publication number
- EP4161931
- Application number
- EP21732822
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 7, 2021
- Published
- Apr 12, 2023
- Granted
- Feb 18, 2026
- Protection ends at the latest
- Jun 6, 2041
- Next annual fee due
- Jun 30, 2027
- IPC classes
- C07D 487/04 (2006.01)A61P 31/04 (2006.01)A61K 31/4985 (2006.01)
- Priority
- WO PCT/CN2020/095147 09.06.2020
- PCT application
- PCT/EP2021/065088 07.06.2021
- PCT publication
- WO2021/249896 16.12.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 1, 2026
Next annual fee due on
- Next annual fee due on
- 30.06.2026 → 30.06.2027
Published in Swissreg on 01.07.2026
- Jun 24, 2026
Change
Published in Swissreg on 24.06.2026
- Feb 18, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 18.02.2026
Parties
Inventor
CHENG, Zhanling
Shanghai, 201203, CN
KRAMER, Christian
4070 Basel
LERNER, Christian
4070 Basel
LIU, Yongqiang
Shanghai, 201203, CN
NETTEKOVEN, Matthias
4070 Basel
PFLIEGER, Philippe
4070 Basel
SCHMITT, Sébastien
4070 Basel
STOLL, Theodor
4070 Basel
WANG, Jianhua
Shanghai, 201203, CN
WANG, Yongguang
Shanghai, 201203, CN
YANG, Song
Shanghai, 201203, CN
ZHOU, Chengang
Shanghai, 201203, CN
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.