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Frank Paul Del Giudice
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Charleston, WV, US
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last 30 patents
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Patent Grant
Process for preparing particulate polyurethane polymers and the pol...
Patent number
4,000,218
Issue date
Dec 28, 1976
Union Carbide Corporation
Frank Edward Critchfield
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...