BESCHICHTUNGSLÖSUNG

European patent · EP3881921 · In force

Register entry

Publication number
EP3881921
Application number
EP19884342
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Nov 11, 2019
Published
Sep 22, 2021
Granted
Sep 3, 2025
Protection ends at the latest
Nov 10, 2039
Next annual fee due
Nov 30, 2026
IPC classes
B01D 39/16 (2006.01)
C09D 201/00 (2006.01)
C09D 7/61 (2018.01)
C09D 7/63 (2018.01)
B01D 46/12 (2022.01)
B01D 39/20 (2006.01)
Priority
JP 2018215988 16.11.2018
JP 2019151690 22.08.2019
JP 2019179795 30.09.2019
PCT application
PCT/JP2019/044044 11.11.2019
PCT publication
WO2020/100780 22.05.2020
Filing language
Japanese
Source
Swissreg

History

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

  1. Jul 15, 2026

    Change

    Published in Swissreg on 15.07.2026

  2. Dec 1, 2025

    Next annual fee due on

    Next annual fee due on
    30.11.2025 → 30.11.2026

    Published in Swissreg on 01.12.2025

  3. Sep 18, 2025

    Agent entered

    Representative
    Isler & Pedrazzini AG, Postfach, 8027 Zürich

    Published in Swissreg on 18.09.2025

  4. Sep 3, 2025

    Granted

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

    Published in Swissreg on 03.09.2025

Parties

Holder

NITTETSU MINING CO., LTD.

Nittetsu Mining CO., LTD.

3-2, Marunouchi 2-chome Chiyoda-ku, Tokyo 100-8377, JP

Agent

Isler & Pedrazzini AG

Postfach, 8027 Zürich

Inventor

MATSUMOTO Hiromichi

Nishitama-gun, Tokyo 190-0182, JP

OGURA Shinichi

Shimotsuga-gun, Tochigi 329-0114, JP

SHINODA Ken

Shimotsuga-gun, Tochigi 329-0114, JP

HOSI Toru

Tokyo 102-8275, 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.