PROCÉDÉ ET APPAREIL DE REFROIDISSEMENT D'HYDROGÈNE

European patent · EP4493871 · Deleted

Register entry

Publication number
EP4493871
Application number
EP23701519
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jan 24, 2023
Published
Jan 22, 2025
Granted
Nov 5, 2025
Deleted
Aug 25, 2026
Reason
Annual fee unpaid
IPC classes
F25J 1/00 (2006.01)
F25J 1/02 (2006.01)
Priority
FR 2202427 18.03.2022
FR 2204918 23.05.2022
PCT application
PCT/EP2023/051625 24.01.2023
PCT publication
WO2023/174601 21.09.2023
Filing language
French
Source
Swissreg

History

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

  1. Sep 16, 2026

    Change

    Published in Swissreg on 16.09.2026

  2. Aug 25, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    25.08.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 25.08.2026

  3. Nov 5, 2025

    Granted

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

    Published in Swissreg on 05.11.2025

Parties

Holder

L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude

L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE

75, Quai d'Orsay, 75007 Paris, FR

Inventor

PAGES, Baptiste

94503 Champigny sur Marne, FR

TURMEL, Vanessa

94503 Champigny sur Marne, FR

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.