TREA

Frank J. Hrach Jr.

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  • Parkersberg, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Carbon blacks
    • Patent number 6,156,837
    • Issue date Dec 5, 2000
    • Cabot Corporation
    • John M. Branan
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Low ash carbon blacks
    • Patent number 5,352,289
    • Issue date Oct 4, 1994
    • Cabot Corporation
    • Daniel W. Weaver
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...