POLYCARBONAT-ZUSAMMENSETZUNGEN ENTHALTEND POLYETHERCARBONATPOLYOLE

European patent · EP4157940 · In force

Register entry

Publication number
EP4157940
Application number
EP21728189
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
May 20, 2021
Published
Apr 5, 2023
Granted
Jul 23, 2025
Protection ends at the latest
May 19, 2041
Next annual fee due
May 31, 2026
IPC classes
C08L 69/00 (2006.01)
Priority
EP 20176390 26.05.2020
PCT application
PCT/EP2021/063441 20.05.2021
PCT publication
WO2021/239569 02.12.2021
Filing language
German
Source
Swissreg

History

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

  1. Jun 4, 2026

    Change

    Published in Swissreg on 04.06.2026

  2. Jul 23, 2025

    Granted

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

    Published in Swissreg on 23.07.2025

Parties

Holder

Covestro Deutschland AG

Kaiser-Wilhelm-Allee 60, 51373 Leverkusen, DE

Inventor

WEHRMANN, Rolf

47800 Krefeld, DE

BOUMANS, Anke

47551 Bedburg-Hau, DE

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.