TREA

Richard R. Berube

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  • Keyport, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clay pigment for coating paper
    • Patent number 4,241,142
    • Issue date Dec 23, 1980
    • Engelhard Minerals & Chemicals Corporation
    • Adam F. Kaliski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Suspensions of reactive acidic clay pigments
    • Patent number 4,118,247
    • Issue date Oct 3, 1978
    • Engelhard Minerals & Chemicals Corporation
    • Francis R. Marchetti
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES