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Peter P. Howell

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  • New Martinsville, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Calcium hypochlorite article
    • Patent number 5,009,806
    • Issue date Apr 23, 1991
    • PPG Industries, Inc.
    • Harlan B. Johnson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Calcium hypochlorite composition
    • Patent number 4,970,020
    • Issue date Nov 13, 1990
    • PPG Industries, Inc.
    • Harlan B. Johnson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Calcium hypochlorite composition
    • Patent number 4,865,760
    • Issue date Sep 12, 1989
    • PPG Industries, Inc.
    • Harlan B. Johnson
    • C01 - INORGANIC CHEMISTRY