FLÜSSIGKRISTALLINES MEDIUM

European patent · EP4166628 · In force

Register entry

Publication number
EP4166628
Application number
EP22201768
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Oct 17, 2022
Published
Apr 19, 2023
Granted
Nov 26, 2025
Protection ends at the latest
Oct 16, 2042
Next annual fee due
Oct 31, 2026
IPC classes
C09K 19/34 (2006.01)
C09K 19/30 (2006.01)
C09K 19/06 (2006.01)
C09K 19/04 (2006.01)
C09K 19/12 (2006.01)
Priority
EP 21203211 18.10.2021
Filing language
English
Source
Swissreg

History

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

  1. Oct 7, 2026

    Change

    Published in Swissreg on 07.10.2026

  2. Nov 26, 2025

    Granted

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

    Published in Swissreg on 26.11.2025

Parties

Holder

Merck Patent GmbH

Frankfurter Strasse 250, 64293 Darmstadt, DE

Inventor

Hirschmann, Harald

64293 DARMSTADT, DE

Deing, Kaja Christina

64293 DARMSTADT, DE

Schuler, Brigitte

deceased, DE

Schoen, Sabine

64293 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.