WEICHMACHER

European patent · EP4638411 · In force

Register entry

Publication number
EP4638411
Application number
EP23834186
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Dec 20, 2023
Published
Oct 29, 2025
Granted
Sep 23, 2026
Protection ends at the latest
Dec 19, 2043
Next annual fee due
Dec 31, 2026
IPC classes
C07C 69/716 (2006.01)
C08K 5/00 (2006.01)
Priority
EP 22215338 21.12.2022
PCT application
PCT/EP2023/086780 20.12.2023
PCT publication
WO2024/133359 27.06.2024
Filing language
German
Source
Swissreg

History

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

  1. Sep 23, 2026

    Granted

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

    Published in Swissreg on 23.09.2026

Parties

Inventor

GRIMM, Axel

67056 Ludwigshafen am Rhein, DE

KASCHEL, Johannes

67056 Ludwigshafen am Rhein, DE

WITZEL, Sina

67056 Ludwigshafen am Rhein, DE

MORGENSTERN, Herbert

67056 Ludwigshafen am Rhein, DE

PFEIFFER, Matthias

67056 Ludwigshafen am Rhein, 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.