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Conrad Vollmerhausen
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Fulton, MD, US
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Patent Grant
Polyurea polyurethane foamed sponge with high wet strength
Patent number
4,314,034
Issue date
Feb 2, 1982
W. R. Grace & Co.
Glenn E. Fulmer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...