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Colin D. Campbell

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pyrazole-containing pigment derivatives
    • Patent number 5,334,727
    • Issue date Aug 2, 1994
    • Ciba-Geigy Corporation
    • Colin D. Campbell
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Resin compositions
    • Patent number 4,981,888
    • Issue date Jan 1, 1991
    • Ciba-Geigy Corporation
    • Robert Langley
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...