TREA

Klaus Wunderlich

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  • Leverkusen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anthraquinone dyestuffs containing sulphonic acid groups
    • Patent number 3,980,677
    • Issue date Sep 14, 1976
    • Bayer Aktiengesellschaft
    • Walter Hohmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polycyclic dyestuffs
    • Patent number 3,979,413
    • Issue date Sep 7, 1976
    • Bayer Aktiengesellschaft
    • Helmut Seidler
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Anthraquinone dyestuffs
    • Patent number 3,971,812
    • Issue date Jul 27, 1976
    • Bayer Aktiengesellschaft
    • Walter Hohmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...