Gerhard Mietens

Person

  • Hurth-Efferen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation electrolytic manganese dioxide

    • Patent number 4,818,354
    • Issue date Apr 4, 1989
    • Hoechst Aktiengesellschaft
    • Eberhard Preisler
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Corrosion-inhibiting pigment and paint composition

    • Patent number 4,337,092
    • Issue date Jun 29, 1982
    • Hoechst Aktiengesellschaft
    • Klaus Hestermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Additive for use in metal working

    • Patent number 4,268,404
    • Issue date May 19, 1981
    • Hoechst Aktiengesellschaft
    • Michael Ahlgrim
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Electrical power transmitting apparatus

    • Patent number 4,203,637
    • Issue date May 20, 1980
    • Hoechst Aktiengesellschaft
    • Michael Ahlgrim
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electropolishing process

    • Patent number 4,184,932
    • Issue date Jan 22, 1980
    • Hoechst Aktiengesellschaft
    • Michael Ahlgrim
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR