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    • 1. 发明授权
    • Modified release dosage forms
    • 改性释放剂型
    • US08545887B2
    • 2013-10-01
    • US10476530
    • 2002-09-28
    • Harry S. SowdenDavid WynnShun-Por LiDer-Yang LeeMartin Thomas
    • Harry S. SowdenDavid WynnShun-Por LiDer-Yang LeeMartin Thomas
    • A61J3/06A61K9/20B30B11/00A61K9/24G06F17/30
    • A23G3/04A23G1/54A23G3/0029A23G3/368A23G3/54A23L29/30A61J3/005A61J3/06A61J3/10A61K9/0004A61K9/0056A61K9/2013A61K9/2018A61K9/2027A61K9/2031A61K9/2054A61K9/2068A61K9/2072A61K9/2081A61K9/209A61K9/2095A61K9/282A61K9/2826A61K9/284A61K9/286A61K9/2873A61K9/2886A61K9/2893A61K9/5084B30B11/08B30B11/34B30B15/302Y10T428/1352
    • A dosage form comprises: (a) at least one active ingredient: (b) a core having a first surface portion upon which resides a first coating and a second surface portion which is substantially free of the first coating; and (c) a shell which resides upon at least a portion of the second surface portion, wherein the shell comprises a different material from the first coating. In another embodiment, the dosage form comprises: (a) at least one active ingredient; (b) a core comprising a center portion having an exterior surface and an annular portion having an exterior surface and an interior surface, wherein the annular portion interior surface is in contact with at least a portion of the center portion exterior surface, and a coating resides on at least a portion of the annular portion exterior surface; and (c) a shell which resides upon at least a portion of the exterior surface of the center portion, wherein the shell comprises a different material than the impermeable coating. In another embodiment, the dosage form comprises: (a) at least one active ingredient; (b) a core having an outer surface and a cavity which extends at least partially through the core such that the core outer surface has at least a first opening therein; (c) a first coating which resides on at least a portion of the core outer surface, wherein the first shell portion comprises a different material from the first coating; and (d) a first shell portion which is adjacent to the first opening and covers at least the first opening.
    • 剂型包括:(a)至少一种活性成分:(b)具有第一表面部分的核心,其上存在第一涂层和基本上不含第一涂层的第二表面部分; 和(c)位于第二表面部分的至少一部分上的外壳,其中外壳包括与第一涂层不同的材料。 在另一个实施方案中,剂型包含:(a)至少一种活性成分; (b)芯部,其包括具有外表面的中心部分和具有外表面和内表面的环形部分,其中所述环形部分内表面与所述中心部分外表面的至少一部分接触, 位于环形部分外表面的至少一部分上; 和(c)驻留在中心部分的外表面的至少一部分上的壳体,其中壳体包括与不可渗透涂层不同的材料。 在另一个实施方案中,剂型包含:(a)至少一种活性成分; (b)具有外表面和空腔的芯体,其至少部分地穿过所述芯部,使得所述芯部外表面至少具有第一开口; (c)驻留在所述芯外表面的至少一部分上的第一涂层,其中所述第一壳部分包括与所述第一涂层不同的材料; 和(d)与第一开口相邻并且至少覆盖第一开口的第一壳体部分。
    • 8. 发明授权
    • Composite dosage forms having an inlaid portion
    • 具有镶嵌部分的复合剂型
    • US07807197B2
    • 2010-10-05
    • US10476388
    • 2002-09-28
    • Der-Yang LeeHarry S. SowdenMartin Thomas
    • Der-Yang LeeHarry S. SowdenMartin Thomas
    • A61K9/20A61K9/28A61K9/24
    • A61K9/209A61K9/2072A61K9/2086A61K9/2095A61K9/2893
    • A dosage form comprises at least one active ingredient, a first portion which comprises an exterior surface and one or more cavities defining at least one interior surface having indentations and an exterior surface, and a second molded portion which is inlaid into the cavities of the first portion and has an exterior surface. The first and second portions are in contact at an interface, the second portion comprises a solidified thermoplastic material, and the second portion resides substantially conformally upon the indentations of the first portion. In another embodiment, a dosage form comprises at least one active ingredient, a core having an outer surface and a shell residing on at least a portion of the core outer surface, wherein the shell comprises a first shell portion and a second molded shell portion which is inlaid into the first shell portion. In another embodiment, a dosage form comprises at least one active ingredient, a core, and a shell having a first molded shell portion which is discontinuous, and a second molded shell portion which is continuous, such that the discontinuities of the first shell portion are due to the presence of the second molded shell portion, and the first and second shell portions are compositionally different.
    • 剂型包括至少一种活性成分,第一部分包括外表面和限定至少一个具有凹痕和外表面的内表面的一个或多个空腔,以及第二模制部分,其嵌入第一 并具有外表面。 第一部分和第二部分在界面处接触,第二部分包括凝固的热塑性材料,第二部分基本上保持在第一部分的凹陷上。 在另一个实施方案中,剂型包含至少一种活性成分,具有外表面的芯和位于芯外表面的至少一部分上的壳,其中所述壳包括第一壳部分和第二模制壳部分, 嵌入第一壳部分。 在另一个实施方案中,剂型包含至少一种活性成分,核心和壳,其具有不连续的第一模塑壳部分和连续的第二模制壳部分,使得第一壳部分的不连续性为 由于存在第二模制壳体部分,并且第一和第二壳部分在组成上是不同的。
    • 10. 发明申请
    • METHOD OF MAKING DOSAGE FORMS COMPRISING POLYMERIC COMPOSITIONS
    • 制备包含聚合物组合物的剂型的方法
    • US20080206337A1
    • 2008-08-28
    • US12061765
    • 2008-04-03
    • Hai Yong HuangDer-Yang LeeShun Por Li
    • Hai Yong HuangDer-Yang LeeShun Por Li
    • A61K9/00
    • A61K9/0004A61K9/286A61K9/2866A61K31/137
    • A dosage form comprises: (a) at least one active ingredient; (b) a core having an outer surface; and (c) a shell which resides upon at least a portion of the core outer surface, wherein at least a portion of the shell is semipermeable, such that the liquid medium diffuses through the semipermeable shell or shell portion to the core due to osmosis. The shell also provides for delivery of the active ingredient to a liquid medium outside the shell after contacting of the dosage form with the liquid medium. The dosage form delivers one or more active ingredients in a controlled manner upon contacting of the dosage form with a liquid medium. The dosage form may be employed to provide a burst release of the active ingredient, or to provide release of the active ingredient at an ascending release rate over an extended time period upon contacting of the dosage form with a liquid medium. At least a portion of the shell may be comprised of a polymeric composition containing film former, gelling agents, which can be dissolved in a multisolvent system comprised of water and an organic solvent.
    • 剂型包括:(a)至少一种活性成分; (b)具有外表面的芯; 和(c)位于所述芯外表面的至少一部分上的壳,其中所述壳的至少一部分是半透性的,使得所述液体介质由于渗透而扩散通过所述半透性壳或壳部分到所述芯。 壳体还提供了在剂型与液体介质接触之后将活性成分递送到壳外的液体介质。 剂型在剂型与液体培养基接触时以受控的方式递送一种或多种活性成分。 剂型可以用于提供活性成分的爆发释放,或者当剂型与液体介质接触时,在延长的释放速率下提供活性成分的释放。 壳的至少一部分可以由含有成膜剂,胶凝剂的聚合物组合物组成,其可以溶解在由水和有机溶剂组成的多溶剂体系中。