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Rolf Hinrichs

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dyestuff mixtures
    • Patent number 5,295,999
    • Issue date Mar 22, 1994
    • Bayer Aktiengesellschaft
    • Rolf Hinrichs
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Copper complexes of sulpho groups containing disazo dyestuffs
    • Patent number 5,233,027
    • Issue date Aug 3, 1993
    • Bayer Aktiengesellschaft
    • Rolf Hinrichs
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...