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European patent · EP4172113 · In force

Register entry

Publication number
EP4172113
Application number
EP21739413
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 29, 2021
Published
May 3, 2023
Granted
Jan 28, 2026
Protection ends at the latest
Jun 28, 2041
Next annual fee due
Jun 30, 2027
IPC classes
C02F 3/00 (2023.01)
C02F 1/52 (2023.01)
C02F 3/30 (2023.01)
Priority
FI 20205693 29.06.2020
PCT application
PCT/FI2021/050501 29.06.2021
PCT publication
WO2022/003247 06.01.2022
Filing language
English
Source
Swissreg

History

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

  1. Jul 1, 2026

    Next annual fee due on

    Next annual fee due on
    30.06.2026 → 30.06.2027

    Published in Swissreg on 01.07.2026

  2. Jan 28, 2026

    Granted

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

    Published in Swissreg on 28.01.2026

Parties

Holder

Kemira Oyj

Kemira OYJ

Energiakatu 4, Helsinki 00180, FI

Inventor

HANSEN, Bengt

25109 Helsingborg, SE

GRÖNFORS, Outi

02270 Espoo, FI

HALTTUNEN, Sakari

02270 Espoo, FI

RUOTSALAINEN, Jussi

02270 Espoo, FI

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.