DICHTMITTELZUSAMMENSETZUNG

European patent · EP3873981 · In force

Register entry

Publication number
EP3873981
Application number
EP19805793
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Oct 15, 2019
Published
Sep 8, 2021
Granted
Nov 26, 2025
Protection ends at the latest
Oct 14, 2039
Next annual fee due
Oct 31, 2026
IPC classes
C08L 23/08 (2025.01)
Priority
US 201862752736 P 30.10.2018
PCT application
PCT/US2019/056246 15.10.2019
PCT publication
WO2020/091991 07.05.2020
Filing language
English
Source
Swissreg

History

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

  1. Oct 7, 2026

    Change

    Published in Swissreg on 07.10.2026

  2. Nov 26, 2025

    Granted

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

    Published in Swissreg on 26.11.2025

Parties

Inventor

WALIA, Parvinder S.

Midland, Michigan 48674, US

KLUMB, George A.

Midland, Michigan 48674, US

HETZNER, Jack E.

Midland, Michigan 48674, US

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.