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• Decade: 1930s ×
• Written by: Horace E. Stump ×
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1 result for “Owens-Illinois”

1. Patent · January 22, 1935

   Method of Obtaining Magnesium Carbonate (US Patent 1,988,524, 1935)

   …1935, filed August 20, 1931. The patent's description opens (from the scanned text): My invention relates to separating magnesium, preferably in the form of magnesium carbonate, from a mixture of magnesium oxide and calcium carbonate…