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    • 3. 发明授权
    • Pharmaceutical solid dispersions
    • 药物固体分散体
    • US08883209B2
    • 2014-11-11
    • US12760393
    • 2010-05-25
    • Walter C. BabcockDwayne T. FriesenJames A. S. NightingaleRavi M. Shanker
    • Walter C. BabcockDwayne T. FriesenJames A. S. NightingaleRavi M. Shanker
    • A61K31/404A61K9/16A61K9/14
    • A61K9/1635A61K9/146A61K9/1652
    • A composition comprises a solid dispersion comprising a low-solubility drug and at least one polymer. At least a major portion of the drug in the dispersion is amorphous. The polymer has a glass transition temperature of at least 100° C. measured at a relative humidity of fifty percent. Another aspect of the invention comprises the same composition except that the dispersion has a glass transition temperature of at least 50° C. at a relative humidity of fifty percent. In another aspect of the invention, a composition comprises a solid dispersion comprising a low-solubility drug and a stabilizing polymer. At least a major portion of the drug in the dispersion is amorphous. The composition also includes a concentration-enhancing polymer that increases the concentration of the drug in a use environment. The stabilizing polymer has a glass transition temperature that is greater than the glass transition temperature of the concentration-enhancing polymer at a relative humidity of 50%.
    • 组合物包含包含低溶解度药物和至少一种聚合物的固体分散体。 分散体中药物的至少大部分是无定形的。 聚合物的玻璃化转变温度至少为100℃,相对湿度为百分之五十。 本发明的另一方面包括相同的组成,不同之处在于分散体在50%的相对湿度下具有至少50℃的玻璃化转变温度。 在本发明的另一方面,组合物包含包含低溶解度药物和稳定化聚合物的固体分散体。 分散体中药物的至少大部分是无定形的。 组合物还包括增加使用环境中药物浓度的浓度增强聚合物。 稳定化聚合物的玻璃化转变温度大于相对湿度为50%时浓度增强聚合物的玻璃化转变温度。
    • 4. 发明授权
    • Pharmaceutical solid dispersions
    • 药物固体分散体
    • US08481081B2
    • 2013-07-09
    • US10459808
    • 2003-06-10
    • Walter C. BabcockDwayne T. FriesenJames A. S. NightingaleRavi M. Shanker
    • Walter C. BabcockDwayne T. FriesenJames A. S. NightingaleRavi M. Shanker
    • A61K9/14
    • A61K9/1635A61K9/146A61K9/1652
    • A composition comprises a solid dispersion comprising a low-solubility drug and at least one polymer. At least a major portion of the drug in the dispersion is amorphous. The polymer has a glass transition temperature of at least 100° C. measured at a relative humidity of fifty percent. Another aspect of the invention comprises the same composition except that the dispersion has a glass transition temperature of at least 50° C. at a relative humidity of fifty percent. In another aspect of the invention, a composition comprises a solid dispersion comprising a low-solubility drug and a stabilizing polymer. At least a major portion of the drug in the dispersion is amorphous. The composition also includes a concentration-enhancing polymer that increases the concentration of the drug in a use environment. The stabilizing polymer has a glass transition temperature that is greater than the glass transition temperature of the concentration-enhancing polymer at a relative humidity of 50%.
    • 组合物包含包含低溶解度药物和至少一种聚合物的固体分散体。 分散体中药物的至少大部分是无定形的。 聚合物的玻璃化转变温度至少为100℃,相对湿度为百分之五十。 本发明的另一方面包括相同的组成,不同之处在于分散体在50%的相对湿度下具有至少50℃的玻璃化转变温度。 在本发明的另一方面,组合物包含包含低溶解度药物和稳定化聚合物的固体分散体。 分散体中药物的至少大部分是无定形的。 组合物还包括增加使用环境中药物浓度的浓度增强聚合物。 稳定化聚合物的玻璃化转变温度大于相对湿度为50%时浓度增强聚合物的玻璃化转变温度。