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Manfred Wiesel

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  • Leverkusen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sulfonamidobenzene-azo-aminopyrazole dyestuffs
    • Patent number 4,055,557
    • Issue date Oct 25, 1977
    • Bayer Aktiengesellschaft
    • Manfred Wiesel
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for dyeing polyurethane plastics
    • Patent number 4,026,931
    • Issue date May 31, 1977
    • Bayer Aktiengesellschaft
    • Manfred Wiesel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...