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    • 3. 发明授权
    • Continuous process for microspheres production by using expanded fluids
    • 通过使用膨胀液进行微球生产的连续工艺
    • US08628802B2
    • 2014-01-14
    • US12670852
    • 2008-07-25
    • Ernesto ReverchonGiovanna Della Porta
    • Ernesto ReverchonGiovanna Della Porta
    • A61K9/16B01F3/00B01J3/00
    • A61K9/16A61K9/1635A61K9/1647A61K9/1694B01F3/0092B01F2003/0064B01J3/008B01J2203/00
    • The invention concerns a process for the continuous treatment of an emulsion and/or a micro-emulsion assisted by an “expanded liquid” for the production of micro- and/or nano-particles or micro- and/or nano-spheres containing one or more active ingredients. In particular, a liquid solvent expanded by compressed or supercritical CO2 is contacted with an O/W emulsion, or alternatively a W/O emulsion or multiple emulsions, formed by an external phase that is itself a liquid expanded by compressed CO2. The expanded liquid forms a solution with the dispersed phase of the emulsion and extracts it inducing the formation of the desired particles of the dissolved compounds.The process is carried out in a counter-current packed column wherein the expanded emulsion is fed from the top, while the expanded liquid is fed from the bottom. Thanks to the presence of the expanded liquid, any deposition of the solid particles produced on the packing elements is avoided, thus preventing any column blockage. A suspension of micro-structured particles of the desired product can be collected continuously at the bottom of the column.
    • 本发明涉及一种用于连续处理由“膨胀液体”辅助的乳液和/或微乳液的方法,用于生产微米和/或纳米颗粒或微米和/或纳米球体,其中含有一种或多种 更活跃的成分。 特别地,通过压缩或超临界CO 2膨胀的液体溶剂与O / W乳液接触,或者由通过压缩CO 2膨胀的液体的外部相形成的W / O乳液或多重乳液接触。 膨胀的液体形成具有乳液分散相的溶液,并提取它,诱导所需溶解化合物颗粒的形成。 该方法在逆流填充塔中进行,其中从顶部进料发泡乳液,同时从底部进料膨胀的液体。 由于存在膨胀的液体,避免了在包装元件上产生的固体颗粒的任何沉积,从而防止任何柱堵塞。 所需产物的微结构颗粒的悬浮液可以在塔的底部连续收集。
    • 5. 发明申请
    • CONTINUOUS PROCESS FOR MICROSPHERES PRODUCTION BY USING EXPANDED FLUIDS
    • 使用膨胀液生产微生物的连续工艺
    • US20100203145A1
    • 2010-08-12
    • US12670852
    • 2008-07-25
    • Ernesto ReverchonGiovanna Della Porta
    • Ernesto ReverchonGiovanna Della Porta
    • A61K9/14A61K31/5415A61K31/405A61K31/196A61P29/00B01F13/00
    • A61K9/16A61K9/1635A61K9/1647A61K9/1694B01F3/0092B01F2003/0064B01J3/008B01J2203/00
    • The invention concerns a process for the continuous treatment of an emulsion and/or a micro-emulsion assisted by an “expanded liquid” for the production of micro- and/or nano-particles or micro- and/or nano-spheres containing one or more active ingredients. In particular, a liquid solvent expanded by compressed or supercritical CO2 is contacted with an O/W emulsion, or alternatively a W/O emulsion or multiple emulsions, formed by an external phase that is itself a liquid expanded by compressed CO2. The expanded liquid forms a solution with the dispersed phase of the emulsion and extracts it inducing the formation of the desired particles of the dissolved compounds.The process is carried out in a counter-current packed column wherein the expanded emulsion is fed from the top, while the expanded liquid is fed from the bottom. Thanks to the presence of the expanded liquid, any deposition of the solid particles produced on the packing elements is avoided, thus preventing any column blockage. A suspension of micro-structured particles of the desired product can be collected continuously at the bottom of the column.
    • 本发明涉及一种用于连续处理由“膨胀液体”辅助的乳液和/或微乳液的方法,用于生产包含一种或多种微粒和/或纳米颗粒或微米和/或纳米球体的微粒和/或纳米球体, 更活跃的成分。 特别地,通过压缩或超临界CO 2膨胀的液体溶剂与O / W乳液接触,或者通过外部相形成的W / O乳液或多重乳液,其本身是通过压缩的CO 2膨胀的液体。 膨胀的液体形成具有乳液分散相的溶液,并提取它,诱导所需溶解化合物颗粒的形成。 该方法在逆流填充塔中进行,其中从顶部进料发泡乳液,同时从底部进料膨胀的液体。 由于存在膨胀的液体,避免了在包装元件上产生的固体颗粒的任何沉积,从而防止任何柱堵塞。 所需产物的微结构颗粒的悬浮液可以在塔的底部连续收集。