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    • 1. 发明授权
    • Method for producing powdery particle-reduced formulations with the aid of compressed gases
    • 借助于压缩气体生产粉末颗粒减少配方的方法
    • US06680284B1
    • 2004-01-20
    • US10030035
    • 2002-01-03
    • Jürgen HeidlasMartin OberJohann Wiesmüller
    • Jürgen HeidlasMartin OberJohann Wiesmüller
    • A01N2512
    • A61K9/14A61K9/1617Y10S514/959Y10S516/922Y10S516/928
    • For the preparation of pulverulent particle-reduced formulations with the aid of compressed gases, the solid compound to be formulated, a poorly soluble and usually bioactive active compound, is homogeneously ground together with 10-99% by weight (based on the formulation) of a carrier material which is essentially soluble in the compressed gas mixture, in the presence of compressed gas or mixtures thereof in a stirred autoclave having a mechanical grinding device at process temperatures between 10 and 200° C. and at process pressures between 5 and 500 bar, and in a second process stage the compressed gas mixture, usually dimethyl ether, pure propane and/or carbon dioxide, is expanded by lowering the pressure and separated off from the homogenate, which can also be present as a melt. Finally, the pulverulent particle-reduced formulation is recovered from the homogenate obtained, with which significant improvements in the solubility properties and in particular in the bioavailability of originally poorly soluble and nonsoluble compounds are to be achieved.
    • 为了在压缩气体的帮助下制备粉末颗粒减少的制剂,将待配制的固体化合物,难溶性和通常为生物活性的活性化合物与10-99重量%(基于制剂)均匀地研磨 在压缩气体或其混合物的存在下,基本上可溶于压缩气体混合物的载体材料在具有机械研磨装置的搅拌高压釜中,处理温度为10-200℃,过程压力为5至500巴 ,并且在第二工艺阶段,压缩气体混合物,通常是二甲醚,纯丙烷和/或二氧化碳,通过降低压力而膨胀,并从匀浆中分离,其也可以熔体形式存在。 最后,从获得的匀浆中回收粉末颗粒减少的制剂,其中可以实现溶解性能,特别是原始难溶性和不溶性化合物的生物利用度的显着改善。
    • 6. 发明申请
    • Copolymer based on olefinic sulphonic acids
    • 基于烯烃磺酸的共聚物
    • US20100062952A1
    • 2010-03-11
    • US12590673
    • 2009-11-12
    • Andrea FenchlChristian SpindlerJürgen HeidlasJohann Plank
    • Andrea FenchlChristian SpindlerJürgen HeidlasJohann Plank
    • C09K8/02C09K8/44
    • C09K8/42C04B24/166C04B24/42C04B2103/46C08F216/1416C08F220/26C08F220/56C08F220/58C08F228/02C08F230/08C09K8/035C09K8/467C09K8/487
    • A copolymer based on olefinic sulphonic acids as monomer component a) and an organosilicone-containing compound as reactive component b) is proposed, for which in particular 2-acrylamido-2-methylpropanesulphonic acid (AMPS®) is suitable as component a) and vinyltrimethoxysilane, vinyltriethoxysilane and trichlorosilane as component b). This copolymer, which may have a molecular weight of from 5,000 to 5,000,000 g/mol, may also comprise further reaction components c) and d) in addition to the two main components for which further reaction components (meth)acrylamides or vinyl ethers are suitable. These copolymers, which are obtainable in particular by precipitation or gel polymerizations, are used in particular in applications in construction chemistry and here especially as water retention agents and fluid loss additives in drilling fluids and for well cementing. The novel copolymers are distinguished by pronounced thermal stability, which is displayed especially under difficult pressure conditions and at high salinities.
    • 提出了基于烯烃磺酸作为单体组分a)和含有机硅氧烷化合物作为反应组分b)的共聚物,其中特别是2-丙烯酰胺基-2-甲基丙磺酸(AMPS)适合作为组分a)和乙烯基三甲氧基硅烷 乙烯基三乙氧基硅烷和三氯硅烷作为组分b)。 除了其它反应组分(甲基)丙烯酰胺或乙烯基醚是合适的两种主要成分之外,该共聚物可以具有5,000至5,000,000g / mol的分子量的其它反应组分c)和d) 。 特别是通过沉淀或凝胶聚合可获得的这些共聚物特别用于建筑化学应用中,尤其用于钻井液中的保水剂和流体损失添加剂以及用于固井的物质。 新型共聚物的特征在于明显的热稳定性,其特别在困难的压力条件下和高盐度下显示。
    • 7. 发明授权
    • Process and device for the extraction of substances from silane-modified fillers
    • 从硅烷改性填料中提取物质的方法和装置
    • US07462221B2
    • 2008-12-09
    • US11157919
    • 2005-06-22
    • Karsten KorthJürgen HeidlasKurt StorkRudolf Zobel
    • Karsten KorthJürgen HeidlasKurt StorkRudolf Zobel
    • B01D53/02
    • B01D11/0203B01D11/0219B01D11/0288B01D11/0292
    • Process for the extraction of substances from at least one silane-modified oxidic or silicatic filler, wherein at least one gas compressed by means of pressure and/or temperature is employed as the extraction agent and the compressed gas is led in the radial direction through the filler in the pressure container and/or the substances extracted from the silane-modified filler are removed from the compressed gas with a suitable sorbent. A device for carrying out the process is furthermore described, wherein this comprises at least one pressure container having at least one internal container, sieve or insert for accommodation of the fillers which is permeable to gas and at least one gas feed and gas removal in the bulk bed of filler, and has a radially designed gas feed or gas removal from the bulk bed of filler.
    • 用于从至少一种硅烷改性的氧化或硅填料中提取物质的方法,其中使用至少一种通过压力和/或温度压缩的气体作为萃取剂,压缩气体沿径向被引导通过 用合适的吸附剂从压缩气体中除去压力容器中的填料和/或从硅烷改性填料中提取的物质。 进一步描述了用于执行该方法的装置,其中包括至少一个压力容器,其具有至少一个内部容器,筛子或插入件,用于容纳可渗透气体的填料和至少一种气体进料和气体去除 填料填充床,并且具有径向设计的气体进料或从填料填料床排出气体。