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    • 10. 发明授权
    • Rapidly decomposing chitosan-based pellets
    • 快速分解脱乙酰壳多糖颗粒
    • US06770300B1
    • 2004-08-03
    • US10069399
    • 2002-03-27
    • Hans-Rainer HoffmannBodo Asmussen
    • Hans-Rainer HoffmannBodo Asmussen
    • A61K914
    • B01J2/06A61J3/00A61K9/1652A61K9/4866
    • The invention relates to porous, rapidly disintegrating, active substance-containing pellets based on chitosan or a basic chitosan derivative, manufactured according to a dripping method wherein an aqueous solution or dispersion of chitosan or a basic chitosan derivative, one or more active substances, possibly further active substances and an acid is dripped into a cooling liquid having a temperature of maximally −5° C., thereby causing solidification of the solution or dispersion in the form of droplets, and wherein the solidified droplets or pellets are isolated and dried. The invention further relates to the use of these pellets in the manufacture of medicaments or diagnostic agents.
    • 本发明涉及基于壳聚糖或基本壳聚糖衍生物的多孔,快速崩解的含活性物质的颗粒,其根据滴液方法制备,其中壳聚糖或碱性壳聚糖衍生物的水溶液或分散体,一种或多种活性物质可能 将进一步的活性​​物质和酸滴入温度最高-5℃的冷却液中,从而使溶液或分散体以液滴的形式固化,并且其中分离和干燥固化的液滴或颗粒。 本发明还涉及这些颗粒在制备药物或诊断剂中的用途。