POLYURETHANE DERIVATIVE, POLYURETHANE FOAM, AND PROCESS FOR PRODUCING THEM
This invention provides a novel optionally acylated cyclic tetrasaccharide-containing polyurethane derivative and a process for producing the same, and a novel cyclic tetrasaccharide modified polyurethane foam and a simple process for producing the same. Specifically, the present invention provides...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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