TREA

Pretoria Portland Cement Company Limited

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Organization

  • Johannesburg, ZA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Kiln plant control system
    • Patent number 6,790,034
    • Issue date Sep 14, 2004
    • Pretoria Portland Cement Company Limited
    • Michael John Kearns
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Calcium carbonate precipitation method
    • Patent number 6,036,933
    • Issue date Mar 14, 2000
    • Pretoria Portland Cement Company Limited
    • James Ian Ramsay
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production of purified calcium carbonate
    • Patent number 5,376,343
    • Issue date Dec 27, 1994
    • Pretoria Portland Cement Company Limited
    • Pierre M. Fouche
    • C01 - INORGANIC CHEMISTRY

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