TREA

Donald N. Hanson

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  • Orinda, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of crystallizing salts from aqueous solutions
    • Patent number 4,879,042
    • Issue date Nov 7, 1989
    • Donald N. Hanson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of treating aqueous solutions
    • Patent number 4,632,760
    • Issue date Dec 30, 1986
    • Hanson; Donald N.
    • Donald N. Hanson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of concentrating aqueous solutions
    • Patent number 4,430,227
    • Issue date Feb 7, 1984
    • The Regents of the University of California
    • Donald N. Hanson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Electrostatic precipitation process
    • Patent number 4,072,477
    • Issue date Feb 7, 1978
    • The Regents of the University of California
    • Donald N. Hanson
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...