SULFONIERTE POLY(ARYLENETHER)MEMBRANEN
European patent · EP3749440 · Deleted
Register entry
- Publication number
- EP3749440
- Application number
- EP19750604
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Feb 9, 2019
- Published
- Dec 16, 2020
- Granted
- May 14, 2025
- Deleted
- Sep 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- B01D 71/68 (2006.01)B01D 71/52 (2006.01)C02F 103/08 (2006.01)C08G 75/23 (2006.01)
- Priority
- US 201862628347 P 09.02.2018US 201862628349 P 09.02.2018
- PCT application
- PCT/US2019/017396 09.02.2019
- PCT publication
- WO2019/157407 15.08.2019
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.09.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.09.2026
- Mar 25, 2026
Change
Published in Swissreg on 25.03.2026
- May 14, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 14.05.2025
Parties
Holder
Inventor
RIFFLE, Judy S.
Blacksburg, Virginia 24060, US
LANE, Ozma R.
Blacksburg, Virginia 24060, US
DARYAEI, Amin
Blacksburg, Virginia 24060, US
ROY-CHOUDHURY, Shreya
Blacksburg, Virginia 24060, US
FREEMAN, Benny D.
Austin, Texas 78701, US
JANG, Eui Soung
Austin, Texas 78701, US
NARANG, Gurtej S.
Blacksburg, Virginia 24060, US
LESKO, John J.
Blacksburg, Virginia 24060, US
SCHUMACHER, Trevor
Blacksburg, Virginia 24060, 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.