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US5521292A Compositions comprising neutralized polysaccharide derivatives 失效
包含中和多糖衍生物的组合物

Compositions comprising neutralized polysaccharide derivatives
摘要:
The present invention provides:(1) a polysaccharide derivative having hydrophilic functional groups and nitrate groups per one repeating unit in the following range:0.2.ltoreq.X.ltoreq.1.5, 0.4.ltoreq.Y.ltoreq.2.2, X+Y
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