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Chris Andre Du Plessis

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  • Randburg, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal recovery from a tank bioleaching solution with the use of coa...
    • Patent number 7,578,868
    • Issue date Aug 25, 2009
    • BHP Billiton SA Limited
    • Chris Andre du Plessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Heap bioleaching process
    • Patent number 7,563,304
    • Issue date Jul 21, 2009
    • BHP Billiton SA Limited
    • Chris Andre Du Plessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Optimization of bioleaching process
    • Patent number 7,494,529
    • Issue date Feb 24, 2009
    • BHP Billiton SA Limited
    • Sanette H. De Kock
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Accelerated Heat Generation in Heap Bioleaching By Controlled Carbo...
    • Publication number 20100120123
    • Publication date May 13, 2010
    • Chris Andre DuPlessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Metal Recovery from a Tank Bioleaching Solution with the Use of Coa...
    • Publication number 20080223176
    • Publication date Sep 18, 2008
    • Chris Andre du Plessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Heap bioleaching process
    • Publication number 20080178706
    • Publication date Jul 31, 2008
    • BHP Billiton SA Limited
    • Chris Andre Du Plessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Enzymatic Fuel Cell
    • Publication number 20080020244
    • Publication date Jan 24, 2008
    • Chris Andre Du Plessis
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Optimization of Bioleaching Process
    • Publication number 20070169587
    • Publication date Jul 26, 2007
    • Sanette H. De Kock
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Delivery system for heap bioleaching
    • Publication number 20040235141
    • Publication date Nov 25, 2004
    • BHP Billiton SA Limited
    • Chris Andre Du Plessis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...