INDENOAZANAPHTHALINE
European patent · EP4168397 · In force
Register entry
- Publication number
- EP4168397
- Application number
- EP21735579
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 15, 2021
- Published
- Apr 26, 2023
- Granted
- Aug 20, 2025
- Protection ends at the latest
- Jun 14, 2041
- Next annual fee due
- Jun 30, 2026
- IPC classes
- C07D 401/10 (2006.01)C07D 401/14 (2006.01)C07D 471/10 (2006.01)
- Priority
- DE 102020003647 18.06.2020
- PCT application
- PCT/EP2021/066022 15.06.2021
- PCT publication
- WO2021/254984 23.12.2021
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 1, 2026
Change
Published in Swissreg on 01.07.2026
- Aug 20, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 20.08.2025
Parties
Inventor
ENGELHART, Jens
64293 DARMSTADT, DE
WUCHERER-PLIETKER, Margarita
64293 DARMSTADT, DE
MEYER, Sebastian
64293 DARMSTADT, DE
EICKHOFF, Christian
64293 DARMSTADT, 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.