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    • 22. 发明申请
    • Method for Manufacturing Emulsion
    • 制造乳液的方法
    • US20140296356A1
    • 2014-10-02
    • US14239534
    • 2012-06-08
    • Shigeru DeguchiNao Ifuku
    • Shigeru DeguchiNao Ifuku
    • B01F3/08
    • B01F3/0815B01F17/00B01F2003/0064
    • The disclosed invention is a method for producing an emulsion, comprising the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy.
    • 所公开的发明是一种乳液的制造方法,其特征在于,包括以下步骤:(1)使水和水不溶性物质被乳化,在气液体附近的温度和压力条件下自由混溶 临界点水; 和(2)在表面活性剂存在下,将由水不溶性物质和水溶性物质组成的溶液冷却,得到由分散于水中的水不溶性物质或由水分散在水溶性物质中的水构成的液体, 不溶物。 本发明提供了一种在不需要长时间处理或大量能量的情况下高效率地生产乳液的新方法。
    • 23. 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。
    • 25. 发明申请
    • Devices and methods for the production of particles
    • 用于生产颗粒的装置和方法
    • US20050051917A1
    • 2005-03-10
    • US10483194
    • 2002-07-10
    • Willy GrotheDaniel JarmerCorinne LengsfeldTheodore Randolph
    • Willy GrotheDaniel JarmerCorinne LengsfeldTheodore Randolph
    • B01D11/04B01F5/00B01J2/04B29B9/00
    • B01J2/04B01D11/0403B01D11/0407B01D11/0473B01F5/0057B01F2003/0064
    • The present invention provides methods and devices for producing particles with an average diameter less than about 15 μm using the precipitation with compressed fluid-antisolvent (PCA) process and the carbon-dioxide assisted nebulization with a bubble dryer (CAN-BD) process. In the methods and nozzles of the invention, at least one jet of supercritical or near-supercritical fluid and at least one jet of solution interact to mix the supercritical or near-supercritical fluid and the solution within a chamber. The solution contains at least one solvent and at least one solute. At least one of the jets is a swirling jet. To form particles, the solvent and supercritical or near-supercritical fluid are then injected into a PCA or a CAN-BD process chamber. The degree of mixing depends in part on the power input into the mixing chamber. Power inputs of about 6.5×109 W/m3 enhance the degree of mixing and allow production of nanoscale particles with the PCA process. The nanoscale particles have a size distribution so that polydispersity is less than about 1.75.
    • 本发明提供了使用压缩流体 - 反溶剂(PCA)沉淀法和用气泡干燥器(CAN-BD)方法进行二氧化碳辅助雾化来生产平均直径小于约15μm的颗粒的方法和装置。 在本发明的方法和喷嘴中,至少一个超临界或近超临界流体射流和至少一个溶液射流相互作用以将超临界或近超临界流体和溶液在腔室内混合。 该溶液含有至少一种溶剂和至少一种溶质。 至少有一架喷气式飞机是旋流式飞机。 为了形成颗粒,然后将溶剂和超临界或近临界流体注入PCA或CAN-BD处理室中。 混合程度部分取决于输入混合室的功率。 大约6.5×10 9 W / m 3的功率输入提高了混合的程度,并允许用PCA工艺生产纳米级颗粒。 纳米级颗粒具有尺寸分布,使得多分散性小于约1.75。