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European patent · EP3991822 · Deleted
Register entry
- Publication number
- EP3991822
- Application number
- EP20833037
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Jun 24, 2020
- Published
- May 4, 2022
- Granted
- Jun 11, 2025
- Deleted
- Jan 27, 2026
- Reason
- Annual fee unpaid
- IPC classes
- B01D 29/46 (2006.01)B01D 25/00 (2006.01)B01D 24/00 (2006.01)F25C 1/00 (2006.01)F25C 1/06 (2006.01)
- Priority
- US 201916456283 28.06.2019
- PCT application
- PCT/CN2020/097965 24.06.2020
- PCT publication
- WO2020/259546 30.12.2020
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Apr 23, 2026
Change
Published in Swissreg on 23.04.2026
- Jan 27, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 27.01.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 27.01.2026
- Jun 11, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 11.06.2025
Parties
Holder
Inventor
ABEYGUNAWARDANA, Danister
Wilmington, Delaware 19801, US
KRAUSE, Andrew Reinhard
Wilmington, Delaware 19801, US
GILKEY, Bradley Nicholas
Wilmington, Delaware 19801, US
CHERNOV, Gregory Sergeevich
Wilmington, Delaware 19801, US
MILLER, Charles Benjamin
Wilmington, Delaware 19801, US
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.