PROCEDE DE PURIFICATION D'ACIDE (METH)ACRYLIQUE

European patent · EP4132898 · Deleted

Register entry

Publication number
EP4132898
Application number
EP21717151
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Mar 23, 2021
Published
Feb 15, 2023
Granted
Apr 23, 2025
Deleted
Oct 23, 2026
Reason
Annual fee unpaid
IPC classes
C07C 57/04 (2006.01)
C07C 51/44 (2006.01)
Priority
FR 2003402 06.04.2020
PCT application
PCT/FR2021/050490 23.03.2021
PCT publication
WO2021/205090 14.10.2021
Filing language
French
Source
Swissreg

History

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

  1. Oct 23, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.10.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.10.2026

  2. Mar 4, 2026

    Change

    Published in Swissreg on 04.03.2026

  3. Sep 24, 2025

    Change

    Published in Swissreg on 24.09.2025

  4. Apr 23, 2025

    Granted

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

    Published in Swissreg on 23.04.2025

Parties

Holder

ARKEMA FRANCE

92800 Puteaux, FR

Inventor

TRETJAK, Serge

57501 SAINT AVOLD CEDEX, FR

HUVE, Aurélien

57501 SAINT AVOLD CEDEX, 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.