TREA

Hans D. Holtz deceased

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  • late of Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aminoamide fuel detergents
    • Patent number 4,249,912
    • Issue date Feb 10, 1981
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Imidazoline fuel detergents
    • Patent number 4,247,300
    • Issue date Jan 27, 1981
    • Phillips Petroleum Company
    • Benedict R. Bonazza
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ashless fuel detergent additives
    • Patent number 4,125,383
    • Issue date Nov 14, 1978
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Promoted liquid phase oxidation of alkyl aromatic compounds
    • Patent number 4,088,823
    • Issue date May 9, 1978
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Additives for motor fuels and lubricants
    • Patent number 4,082,518
    • Issue date Apr 4, 1978
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Alcohol production
    • Patent number 4,065,511
    • Issue date Dec 27, 1977
    • Phillips Petroleum
    • Hans D. Holtz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ashless fuel detergent additives
    • Patent number 4,059,414
    • Issue date Nov 22, 1977
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Ashless detergent additives for fuels and lubricants
    • Patent number 4,059,535
    • Issue date Nov 22, 1977
    • Phillips Petroleum Company
    • Albert N. De Vault
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Polluted water purification
    • Patent number 4,000,068
    • Issue date Dec 28, 1976
    • Phillips Petroleum Company
    • William T. Nelson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Oxidation and dehydrohalogenation of halotetrahydropyrans
    • Patent number 3,931,236
    • Issue date Jan 6, 1976
    • Phillips Petroleum Company
    • Hans D. Holtz
    • C07 - ORGANIC CHEMISTRY