TREA

Wilhelmina Du Plessis

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  • Centurion, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of chemical feedstocks
    • Patent number 9,468,975
    • Issue date Oct 18, 2016
    • The South African Nuclear Energy Corporation Limited
    • Johannes Theodorus Nel
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of minerals
    • Patent number 9,416,431
    • Issue date Aug 16, 2016
    • The South African Nuclear Energy Corporation Limited
    • Willem Liebenberg Retief
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of zirconia-based material with ammonium bi-fluoride
    • Patent number 8,778,291
    • Issue date Jul 15, 2014
    • The South African Nuclear Energy Corporation Limited
    • Willem Liebenberg Retief
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    TREATMENT OF CHEMICAL FEEDSTOCKS
    • Publication number 20140238195
    • Publication date Aug 28, 2014
    • The South African Nuclear Energy Corporation Limited
    • Johannes Theodorus Nel
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    TREATMENT OF ZIRCONIA-BASED MATERIAL WITH AMMONIUM BI-FLUORIDE
    • Publication number 20130011329
    • Publication date Jan 10, 2013
    • Willem Liebenberg Retief
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    TREATMENT OF MINERALS
    • Publication number 20120328496
    • Publication date Dec 27, 2012
    • Willem Liebenberg Retief
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...