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  • CPC
  • C04B7/422
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Parent Industries

CCHEMISTRY METALLURGY C04Concrete, cement, ceramics C04BLIME, MAGNESIA SLAG CEMENTS COMPOSITIONS THEREOF C04B7/00Hydraulic cements

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C04B7/422Elements
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rare earth modifiers for Portland cement
    • Patent number 4,619,702
    • Issue date Oct 28, 1986
    • Union Oil Company of California
    • Ellis M. Gartner
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES