1 result for “Union Carbide Corporation”
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Patent · May 10, 1949 · page 4
Heat Insulating Materials (US Patent 2,469,379, 1949)
In the document: …intergrowth of the fibers with themselves, and by strength, but such sheets are still lacking in com 5 union with other preformed organic fibers, or in pressive strength and form retention. It may be organic fibrous…