1 result for “Union Carbide Corporation”
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Patent · July 2, 1935 · page 10
Material and Article Containing Fibre (US Patent 2,006,392, 1935)
In the document: …partially drying the sheet, applying silicate so containing a felted fibrous material and a Sub ution to one surface only of said sheet and dry stance selected from the group consisting of oils, ing said sheet…