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    • 3. 发明授权
    • Sucralfate aqueous suspension and its method of preparation
    • Sucralfate水悬浮液及其制备方法
    • US5563258A
    • 1996-10-08
    • US429512
    • 1995-04-26
    • Kiyoshige OchiKazuo SasaharaMituo ShiratoriSakae Takaku
    • Kiyoshige OchiKazuo SasaharaMituo ShiratoriSakae Takaku
    • A61K9/00A61K9/14A61K31/70C07H11/00A61K31/715C07H1/00
    • A61K9/0095A61K31/70A61K9/14C07H11/00
    • This specification discloses a production process for an sucralfate aqueous suspension stock, the process being characterized by direct dispersement of an sucralfate aqueous stock for sucralfate preparations, which contains sucralfate particles with an average particle size of no more than 50 .mu.m in a concentration of 1-2 g/ml, in water or other aqueous medium without drying the synthesized sucralfate wet powder, followed by milling of the sucralfate particles to an average particle size of no more than 50 .mu.m. When the sucralfate aqueous suspension stock obtained directly from wet powder in accordance with this method is compared to the conventional suspension obtained from dry powder, equivalency of both stocks are obtained in terms of both properties and pharmacological activities. In comparison to the conventional process using dry powder, this wet milling method of production is economically and operationally superior and environmental pollution arising from the conventional process can be prevented.
    • 本说明书公开了硫糖铝水悬浮液的制备方法,该方法的特征在于用于硫糖铝制剂的硫糖铝水溶液的直接分散,其含有浓度为1的平均粒径不超过50μm的硫糖铝颗粒 -2g / ml,在水或其它水性介质中,不干燥合成的硫糖铝湿粉末,然后将硫糖铝粉末研磨至不超过50μm的平均粒度。 当将根据该方法直接从湿粉末获得的硫糖铝水性悬浮液与从干粉获得的常规悬浮液进行比较时,可以从性质和药理活性方面获得两种原料的等效性。 与使用干粉的常规方法相比,这种湿磨生产方法在经济上和操作上都是优越的,并且可以防止由常规方法引起的环境污染。