TREA

Ivan Feher

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  • Budapest, HU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing alumina
    • Patent number 5,122,349
    • Issue date Jun 16, 1992
    • Aluminiumipari Troszt
    • Gyorgy Banvolgyi
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Flotation process for the enrichment of bauxites
    • Patent number 3,990,965
    • Issue date Nov 9, 1976
    • Femipari Kutato Intezet
    • Zsolt Csillag
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for processing bauxites
    • Patent number 3,944,648
    • Issue date Mar 16, 1976
    • Vallalat; Aluterv Aluminiumipari Tervezo
    • Karoly Solymar
    • C01 - INORGANIC CHEMISTRY