SPHÄRISCHE POLYMETHYLSILSESQUIOXANTEILCHEN

European patent · EP3819327 · Deleted

Register entry

Publication number
EP3819327
Application number
EP19830015
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jul 1, 2019
Published
May 12, 2021
Granted
Oct 23, 2024
Deleted
Feb 24, 2026
Reason
Annual fee unpaid
IPC classes
C08G 77/18 (2006.01)
C08J 3/12 (2006.01)
C08J 3/16 (2006.01)
Priority
JP 2018126534 03.07.2018
JP 2018128713 06.07.2018
PCT application
PCT/JP2019/026135 01.07.2019
PCT publication
WO2020/009068 09.01.2020
Filing language
Japanese
Source
Swissreg

History

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

  1. Feb 24, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    24.02.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 24.02.2026

  2. Sep 3, 2025

    Change

    Published in Swissreg on 03.09.2025

  3. Oct 23, 2024

    Granted

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

    Published in Swissreg on 23.10.2024

Parties

Holder

TOKUYAMA CORPORATION

Tokuyama Corporation

1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, JP

Inventor

IWATA Toru

Shunan-shi, Yamaguchi 745-8648, JP

CHIKASHIGE Yohei

Shunan-shi, Yamaguchi 745-8648, JP

KOMATSUBARA Tadaharu

Shunan-shi, Yamaguchi 745-8648, 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.