TREA

Ludwig Schmidt

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  • Krefeld, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of chromic acid
    • Patent number 5,181,994
    • Issue date Jan 26, 1993
    • Bayer Aktiengesellschaft
    • Norbert Lonhoff
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Process for the preparation of chromic acid
    • Patent number 5,096,548
    • Issue date Mar 17, 1992
    • Bayer Aktiengesellschaft
    • Norbert Lonhoff
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR