PROCÉDÉ DE SYNTHÈSE DE COMPOSÉS TRIARYLMÉTHANE SULFONÉS
European patent · EP4132906 · Deleted
Register entry
- Publication number
- EP4132906
- Application number
- EP21715910
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Apr 1, 2021
- Published
- Feb 15, 2023
- Granted
- May 15, 2024
- Deleted
- Nov 25, 2025
- Reason
- Annual fee unpaid
- IPC classes
- C07C 303/22 (2006.01)C07C 309/49 (2006.01)C09B 11/10 (2006.01)C07C 213/08 (2006.01)C07C 303/06 (2006.01)
- Priority
- FR 2003643 10.04.2020
- PCT application
- PCT/EP2021/058772 01.04.2021
- PCT publication
- WO2021/204712 14.10.2021
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Nov 25, 2025
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 25.11.2025
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 25.11.2025
- Mar 26, 2025
Change
Published in Swissreg on 26.03.2025
- May 15, 2024
Granted
Published in Swissreg on 15.05.2024
Parties
Inventor
DRILLAUD, Nicolas
13013 MARSEILLE, FR
LOPEZ, Nicolas
13013 MARSEILLE, FR
QUERU, Stéphane
13013 MARSEILLE, FR
SAYAH, Babak
13013 MARSEILLE, 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.