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European patent · EP4524223 · In force

Register entry

Publication number
EP4524223
Application number
EP23823791
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 7, 2023
Published
Mar 19, 2025
Granted
Jun 3, 2026
Protection ends at the latest
Jun 6, 2043
Next annual fee due
Jun 30, 2027
IPC classes
C07C 69/76 (2006.01)
C11B 9/00 (2006.01)
C07C 47/228 (2006.01)
C07C 45/62 (2006.01)
C07B 61/00 (2006.01)
Priority
JP 2022098365 17.06.2022
PCT application
PCT/JP2023/021085 07.06.2023
PCT publication
WO2023/243499 21.12.2023
Filing language
Japanese
Source
Swissreg

History

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

  1. Jul 28, 2026

    Next annual fee due on

    Next annual fee due on
    30.06.2026 → 30.06.2027

    Published in Swissreg on 28.07.2026

  2. Jun 12, 2026

    Agent entered

    Representative
    BOHEST AG, Holbeinstrasse 36-38, 4051 Basel

    Published in Swissreg on 12.06.2026

  3. Jun 3, 2026

    Granted

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

    Published in Swissreg on 03.06.2026

Parties

Holder

MITSUBISHI GAS CHEMICAL COMPANY, INC.

5-2, Marunouchi 2-chome, Chiyoda-ku Tokyo 100-8324, JP

Agent

BOHEST AG

Holbeinstrasse 36-38, 4051 Basel

Inventor

HAYASHI, Masaki

Kurashiki-shi, Okayama 712-8525, JP

MATSUDA, Daiki

Kurashiki-shi, Okayama 712-8525, JP

NISHIUCHI, Junya

Kurashiki-shi, Okayama 712-8525, JP

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.