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European patent · EP4577585 · In force

Register entry

Publication number
EP4577585
Application number
EP24768105
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Sep 10, 2024
Published
Jul 2, 2025
Granted
Nov 19, 2025
Protection ends at the latest
Sep 9, 2044
Next annual fee due
Sep 30, 2027
IPC classes
C08F 220/18 (2006.01)
C08F 230/02 (2006.01)
C09D 143/02 (2006.01)
Priority
WO PCT/CN2023/117969 11.09.2023
PCT application
PCT/EP2024/075184 10.09.2024
PCT publication
WO2025/056498 20.03.2025
Filing language
English
Source
Swissreg

History

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

  1. Sep 30, 2026

    Change

    Published in Swissreg on 30.09.2026

  2. Jul 29, 2026

    Owner

    Owner
    Evonik Operations GmbH, Rellinghauser Straße 1-11, 45128 Essen, Germany → Evonik Operations GmbH, Opernplatz 1, 45128 Essen, Germany

    Published in Swissreg on 29.07.2026

  3. Nov 19, 2025

    Granted

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

    Published in Swissreg on 19.11.2025

Parties

Holder

Evonik Operations GmbH

Opernplatz 1, 45128 Essen, DE

Inventor

GAO, Bo

Shanghai, 201199, CN

EBERT, Martina

64807 Dieburg, DE

BRAUM, Manfred

55126 Mainz, DE

CLAMER, Elisabeth

64289 Darmstadt, DE

KÖMMELT, Sabine

64285 Darmstadt, 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.