VERFAHREN ZUR DEPOLYMERISATION VON POLYSTYROL

European patent · EP4031610 · Deleted

Register entry

Publication number
EP4031610
Application number
EP20771320
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Sep 17, 2020
Published
Jul 27, 2022
Granted
Nov 6, 2024
Deleted
May 4, 2026
Reason
Annual fee unpaid
IPC classes
C08J 11/12 (2006.01)
C07C 4/22 (2006.01)
Priority
EP 19197959 18.09.2019
EP 20000009 10.01.2020
PCT application
PCT/EP2020/075984 17.09.2020
PCT publication
WO2021/053074 25.03.2021
Filing language
German
Source
Swissreg

History

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

  1. May 4, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    04.05.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 04.05.2026

  2. Sep 17, 2025

    Change

    Published in Swissreg on 17.09.2025

  3. Nov 6, 2024

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 06.11.2024

Parties

Holder

INEOS Styrolution Group GmbH

Mainzer Landstrasse 50, 60325 Frankfurt, DE

Inventor

NIESSNER, Norbert

67159 Friedelsheim, DE

WILHELMUS, Bianca

63456 Hanau, DE

SCHMIDT-RODENKIRCHEN, Achim

95445 Bayreuth, DE

MIERDEL, Konstantin

95444 Bayreuth, DE

NEUNER, Frank

95448 Bayreuth, DE

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.