TREA

Joachim Valentin

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  • Frankfurt am Main, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Azo dyestuffs containing an .alpha.-phenylamino isobutyric acid alk...
    • Patent number 4,087,420
    • Issue date May 2, 1978
    • Cassella Farbwerke Mainkur Aktiengesellschaft
    • Ernst Heinrich
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water-insoluble azo dyestuffs
    • Patent number 4,035,143
    • Issue date Jul 12, 1977
    • Cassella Farbwerke Mainkur Aktiengesellschaft
    • Ernst Heinrich
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...