1 result for “Union Carbide Corporation”
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Patent · April 9, 1946 · page 3
Insulation Material (US Patent 2,398,001, 1946)
In the document: …a solution of partially poly merized phenol-formaldehyde resin, the resin So 70 tion material from cellulose acetate of cellular ution being prepared as follows: 2 parts by structure, which comprises saponifying discrete weight of 40%…