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    • 2. 发明申请
    • Free flowing granules containing carbomer
    • 含有卡波姆的自由流动的颗粒
    • US20070048364A1
    • 2007-03-01
    • US11197102
    • 2005-08-04
    • Yingxu PengYichun SunJames JohnsonAtul Shukla
    • Yingxu PengYichun SunJames JohnsonAtul Shukla
    • A61K9/48A61K9/20A61K9/14
    • A61K9/1694A61K9/1617A61K9/1635A61K9/2013A61K9/2027A61K9/2077
    • Methods for making granules containing a carbomer whereby the carbomer is mixed with a hot-melt binder that does not lower the glass transition temperature of the carbomer more than 20° C., the binder is subjected to a temperature at which the hot-melt binder melts or becomes tacky, thus binding the carbomer to form an agglomerated powder, and permitting granules to form from the agglomerated powder. This subjecting of the binder to the temperature may be after the binder is mixed with the carbomer or the carbomer may be mixed with the binder at a time when the binder is at a temperature at which it will melt or become tacky. The granules may contain a biologically active substance either intragranularly or extragranularly and may be used to make personal care products or pharmaceutical dosage forms, such as controlled release dosage forms which may have bioadhesive properties.
    • 制造含有卡波姆的颗粒的方法,其中卡波姆与不降低卡波姆的玻璃化转变温度的热熔粘合剂混合超过20℃,将粘合剂经受热熔粘合剂 熔融或变粘,因此结合卡波姆以形成附聚粉末,并允许从附聚粉末形成颗粒。 粘合剂经受该温度之后可以在粘合剂与卡波姆混合之后,或者当粘合剂处于熔融或变粘的温度时,卡波姆可与粘合剂混合。 颗粒可以含有颗粒内或颗粒外的生物活性物质,并且可以用于制备个人护理产品或药物剂型,例如可具有生物粘附性质的控释剂型。