TREA

Jorge Vergara Chavez

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  • Chuquicamata, CL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Copper leach process aids
    • Patent number 6,409,799
    • Issue date Jun 25, 2002
    • Betzdearborn Inc. & Corporacion Nacional del Cobre de Chile
    • Ricardo Arancibia Cifuentes
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Copper leach process aids
    • Patent number 6,261,341
    • Issue date Jul 17, 2001
    • BetzDearborn Inc.
    • Ricardo Arancibia Cifuentes
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Copper leach process aids
    • Patent number 6,258,245
    • Issue date Jul 10, 2001
    • BetzDearborn Inc.
    • Ricardo Arancibia Cifuentes
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR