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European patent · EP4067559 · Deleted

Register entry

Publication number
EP4067559
Application number
EP20894389
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Oct 23, 2020
Published
Oct 5, 2022
Granted
Sep 17, 2025
Deleted
May 27, 2026
Reason
Annual fee unpaid
IPC classes
D06F 58/22 (2006.01)
B01D 46/10 (2006.01)
B01D 46/24 (2006.01)
Priority
CN 201911175993 26.11.2019
CN 201911175996 26.11.2019
CN 201911177009 26.11.2019
CN 201911177013 26.11.2019
PCT application
PCT/CN2020/123030 23.10.2020
PCT publication
WO2021/103869 03.06.2021
Filing language
Chinese
Source
Swissreg

History

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

  1. Jul 29, 2026

    Change

    Published in Swissreg on 29.07.2026

  2. May 27, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    27.05.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 27.05.2026

  3. Sep 17, 2025

    Granted

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

    Published in Swissreg on 17.09.2025

Parties

Inventor

LI, Quande

Qingdao, Shandong 266101, CN

BING, Jindong

Qingdao, Shandong 266101, CN

WANG, Jian

Qingdao, Shandong 266101, CN

YANG, Kun

Qingdao, Shandong 266101, CN

LIU, Xiujiao

Qingdao, Shandong 266101, CN

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.