POLYARYLENETHERSULFONE

European patent · EP2917266 · Deleted

Register entry

Publication number
EP2917266
Application number
EP13789295
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Nov 8, 2013
Published
Sep 16, 2015
Granted
Aug 19, 2020
Deleted
Apr 23, 2026
Reason
Revoked in opposition
IPC classes
C08G 75/23 (2006.01)
Priority
US 201261724725 P 09.11.2012
EP 12194545 28.11.2012
PCT application
PCT/EP2013/073408 08.11.2013
PCT publication
WO2014/072473 15.05.2014
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Apr 23, 2026

    Cancellation date

    Cancellation date
    30.11.2020 → 23.04.2026
    Cause for cancellation
    Non-payment of renewal fee → Opposition

    Published in Swissreg on 23.04.2026

  2. Sep 24, 2025

    Owner

    Owner
    Solvay Specialty Polymers USA, LLC., 4500 McGinnis Ferry Road, Alpharetta, GA 30005-3914, USA → Syensqo Specialty Polymers USA, LLC, 4500 McGinnis Ferry Road, Alpharetta GA 30005-3914, USA

    Published in Swissreg on 24.09.2025

  3. Jun 23, 2021

    Deleted, fee unpaid

    Published in Swissreg on 23.06.2021

  4. Aug 19, 2020

    Granted

    Published in Swissreg on 19.08.2020

Parties

Inventor

SRIRAM, Suresh R.

Alpharetta, GA 30022, US

KHAN, Ahmed

Alpharetta, GA 30005, US

TAYLOR, Narmandakh

Cumming, GA 30028, US

BRADLEY, Henry

Roswell, GA 30075, US

HOPPIN, Charles R.

Alpharetta, GA 30022, 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.