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David Crettenand

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrochemical reactor and its cleaning or regeneration
    • Patent number 12,104,262
    • Issue date Oct 1, 2024
    • Sedo Engineering SA
    • David Crettenand
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Leucodye (such as leucoindigo) as dispersing aid
    • Patent number 11,753,730
    • Issue date Sep 12, 2023
    • Sedo Engineering SA
    • David Crettenand
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    By-products (impurity) removal
    • Patent number 11,629,418
    • Issue date Apr 18, 2023
    • Sedo Engineering SA
    • David Crettenand
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrochemical reactor
    • Patent number 8,333,881
    • Issue date Dec 18, 2012
    • RedElec Technologie SA
    • David Crettenand
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROCHEMICAL REACTOR AND ITS CLEANING OR REGENERATION
    • Publication number 20220056595
    • Publication date Feb 24, 2022
    • David CRETTENAND
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    LEUCODYE (SUCH AS LEUCOINDIGO) AS DISPERSING AID
    • Publication number 20220033980
    • Publication date Feb 3, 2022
    • Sedo Engineering SA
    • David CRETTENAND
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    BY-PRODUCTS (IMPURITY) REMOVAL
    • Publication number 20220025534
    • Publication date Jan 27, 2022
    • Sedo Engineering SA
    • David CRETTENAND
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    ELECTROCHEMICAL REACTOR
    • Publication number 20220010438
    • Publication date Jan 13, 2022
    • RedElec Technologie SA
    • David CRETTENAND
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    ELECTROCHEMICAL REACTOR
    • Publication number 20090308757
    • Publication date Dec 17, 2009
    • RedElec Technologie SA
    • David Crettenand
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR