Ricardo I. Holcombe

Person

  • Monterrey, MX

Patents Grantslast 30 patents

  • Information Patent Grant

    Process of removing iron impurities from ores

    • Patent number 4,405,588
    • Issue date Sep 20, 1983
    • Materias Primas, Monterrey, S.A.
    • Alejandro J. Caballero
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for purifying silica sand

    • Patent number 4,401,638
    • Issue date Aug 30, 1983
    • Materias Primas, Monterrey, S.A.
    • Alejandro J. Caballero
    • C03 - GLASS MINERAL OR SLAG WOOL