TREA

Otto Trosken

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  • Frankfurt am Main, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sulfo-containing phenol-formaldehyde condensates
    • Patent number 4,079,040
    • Issue date Mar 14, 1978
    • Cassella Farbwerke Mainkur Aktiengesellschaft
    • Joachim Ribka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    N-Acyloyl-N-alkyl-alkylenediamines as dye levelers
    • Patent number 3,999,942
    • Issue date Dec 28, 1976
    • Cassella Farbwerke Mainkur Aktiengesellschaft
    • Christian Heid
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...