1 result for “Owens-Corning Fiberglas”
-
Patent · June 16, 1925
Magnesia from Dolomite (US Patent 1,542,684, 1925)
…filed December 29, 1924. The patent's description opens (from the scanned text): The present invention relates to improvements 1n process for obtaining magnesia from dolomite, and has for an object to provide for the recovery…