TREA

Roger A. Crawford

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  • Wadsworth, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High solids aqueous silica slurry
    • Patent number 5,030,286
    • Issue date Jul 9, 1991
    • PPG Industries, Inc.
    • Roger A. Crawford
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Saturating grade paper
    • Patent number 4,895,759
    • Issue date Jan 23, 1990
    • PPG Industries, Inc.
    • Roger A. Crawford
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Halophor composition
    • Patent number 4,894,241
    • Issue date Jan 16, 1990
    • PPG Industries, Inc.
    • Paritosh M. Chakrabarti
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Halophor composition
    • Patent number 4,844,899
    • Issue date Jul 4, 1989
    • PPG Industries, Inc.
    • Robert H. Juda
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Bromophor composition
    • Patent number 4,818,532
    • Issue date Apr 4, 1989
    • PPG Industries, Inc.
    • Paritosh M. Chakrabarti
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Halophor biocidal compositions
    • Patent number 4,782,078
    • Issue date Nov 1, 1988
    • PPG Industries, Inc.
    • Roger A. Crawford
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Halophor composition
    • Patent number 4,693,894
    • Issue date Sep 15, 1987
    • PPG Industries, Inc.
    • Robert H. Juda
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Process for producing calcium hypochlorite
    • Patent number 4,390,512
    • Issue date Jun 28, 1983
    • PPG Industries, Inc.
    • Clifford E. Loehr
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing calcium hypochlorite
    • Patent number 4,328,200
    • Issue date May 4, 1982
    • PPG Industries, Inc.
    • Cletus N. Welch
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of decomposing hypochlorite ion in a basic solution
    • Patent number 4,297,333
    • Issue date Oct 27, 1981
    • PPG Industries, Inc.
    • Roger A. Crawford
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Soft-settling silica flatting agent
    • Patent number 4,263,051
    • Issue date Apr 21, 1981
    • PPG Industries, Inc.
    • Roger A. Crawford
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Silica gels and their formation by electrolysis of silicate solutions
    • Patent number 4,193,851
    • Issue date Mar 18, 1980
    • PPG Industries, Inc.
    • Roger A. Crawford
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Soft-settling fluosilicate-treated silica flatting agent
    • Patent number 4,095,994
    • Issue date Jun 20, 1978
    • PPG Industries, Inc.
    • Roger A. Crawford
    • B82 - NANO-TECHNOLOGY