VERFAHREN ZUR POLYMERISATION VON POLYETHERN
European patent · EP4423168 · In force
Register entry
- Publication number
- EP4423168
- Application number
- EP22797563
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Sep 30, 2022
- Published
- Sep 4, 2024
- Granted
- Dec 10, 2025
- Protection ends at the latest
- Sep 29, 2042
- Next annual fee due
- Sep 30, 2026
- IPC classes
- C08G 65/26 (2006.01)B01J 27/26 (2006.01)C08G 65/40 (2006.01)B01J 35/45 (2024.01)B01J 37/36 (2006.01)B01J 37/00 (2006.01)B01J 37/03 (2006.01)
- Priority
- US 202163271650 P 25.10.2021
- PCT application
- PCT/US2022/045375 30.09.2022
- PCT publication
- WO2023/075987 04.05.2023
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 21, 2026
Change
Published in Swissreg on 21.10.2026
- Dec 10, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 10.12.2025
Parties
Inventor
STEELMAN, David K.
Freeport, Texas 77541, US
NIKBIN, Nima
Lake Jackson, Texas 77566, US
RAGHURAMAN, Arjun
Lake Jackson, Texas 77566, US
ZIEBARTH, Robin P.
Midland, Michigan 48667, US
WESTON, John W.
Lake Jackson, Texas 77566, US
MASY, Jean-Paul
4530 AA Terneuzen, NL
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.