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John H. Spells
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Clute, TX, US
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Patent Grant
Polyurethane elastomers prepared in a two-step process using mixtur...
Patent number
4,689,356
Issue date
Aug 25, 1987
The Dow Chemical Company
Richard D. Peffley
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...