1 result for “Owens-Illinois”
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Patent · April 7, 1925
Treatment of Magnesite or Dolomite (US Patent 1,532,500, 1925)
…filed February 6, 1923. The patent's description opens (from the scanned text): This invention relates to methods for removing all or part of the lime from magnes'ite or dolomite, or mixtures of magnesite and…