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Kerstin ZIERINGER

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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 11,993,093
    • Issue date May 28, 2024
    • PAPIERFABRIK AUGUST KOEHLER SE
    • Michael Horn
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 11,781,029
    • Issue date Oct 10, 2023
    • PAPIERFABRIK AUGUST KOEHLER SE
    • Michael Horn
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 11,084,307
    • Issue date Aug 10, 2021
    • PAPIERFABRIK AUGUST KOEHLER SE
    • Michael Horn
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT-SENSITIVE RECORDING MATERIAL
    • Publication number 20210331508
    • Publication date Oct 28, 2021
    • PAPIERFABRIK AUGUST KOEHLER SE
    • Michael Horn
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    HEAT-SENSITIVE RECORDING MATERIAL
    • Publication number 20210071025
    • Publication date Mar 11, 2021
    • PAPIERFABRIK AUGUST KOEHLER SE
    • Michael HORN
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    HEAT-SENSITIVE RECORDING MATERIAL
    • Publication number 20200070556
    • Publication date Mar 5, 2020
    • PAPIERFABRIK AUGUST KOEHLER
    • MICHAEL HORN
    • C07 - ORGANIC CHEMISTRY