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 09.02.2018
US 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.

  1. 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

  2. Mar 25, 2026

    Change

    Published in Swissreg on 25.03.2026

  3. 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

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.