1 result for “Union Carbide Corporation”
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Patent · March 18, 1941 · page 3
Building Insulation (US Patent 2,235,542, 1941)
In the document: …innumerable minute dead-air cells uniformly dis tributed throughout the mass, contiguous frag ments being so related as to avoid intimate or solid union therebetween. Similar masses of in sulating material may be applied to the…