1 result for “Owens-Illinois”
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Patent · September 6, 1949
Process for the Manufacture of Magnesium Oxide (US Patent 2,480,904, 1949)
…1946. It was assigned to Marine Magnesium Products Corp. The patent's description opens (from the scanned text): This invention relates generally to a magnesium oxide having special characteristics and to a method for its manufacture.