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    • 3. 发明申请
    • Method for the physical treatment of starch (derivatives)
    • 淀粉(衍生物)物理处理方法
    • US20080230050A1
    • 2008-09-25
    • US12077164
    • 2008-03-17
    • Hans-Josef KerstingZhengfeng ZhangUlrike FunkeLothar HeinrichJurgen HeidlasJohann Wiesmuller
    • Hans-Josef KerstingZhengfeng ZhangUlrike FunkeLothar HeinrichJurgen HeidlasJohann Wiesmuller
    • C08B31/00
    • C08B30/12C08B31/00
    • The present invention relates to a method for the physical treatment of starch (derivatives) using densified gases, in which essentially the starting material is treated at process temperatures between 20 and 200° C. and at process pressures between 50 and 800° C. for at least one minute, the density of the densified gas (mixture) being >180 kg/m3. Suitable starting materials are, in particular, native plant starches, starch from genetically modified plants, or physically and/or chemically modified starches. The treatment with, in particular, densified carbon dioxide, can be carried out under defined pressure change sequences, for which, in particular, liquid aids, such as water or suitable organic solvents, can also be added. The starches thus treated have, in particular, advantages in the form of considerably reduced contents, or complete elimination, of accompanying substances, gelatinization enthalpy and gelatinization temperature, and also of the mean particle diameter and can thus be advantageously used in the food, pharmaceutical, chemistry and constructional chemistry and also agrochemical sectors, but also in other fields of application.
    • 本发明涉及使用致密化气体物理处理淀粉(衍生物)的方法,其中基本上在20-200℃的过程温度和50至800℃的过程压力下处理起始材料, 至少一分钟,致密气体(混合物)的密度> 180kg / m 3。 合适的起始材料尤其是天然植物淀粉,来自转基因植物的淀粉,或物理和/或化学改性的淀粉。 特别是致密二氧化碳的处理可以在限定的压力变化顺序下进行,特别是也可以加入液体助剂如水或合适的有机溶剂。 如此处理的淀粉尤其具有以下形式的优点:显着降低了所含物质的含量,或完全消除了附着物质,凝胶化焓和凝胶化温度以及平均粒径,因此可有利地用于食品,药物 ,化学和建筑化学以及农业化学部门,也在其他应用领域。
    • 4. 发明申请
    • Power-Off-Protection Type of Safety Control Double Valve Applied to Pressing Machines
    • 防盗型安全控制双阀适用于压力机
    • US20120174804A1
    • 2012-07-12
    • US13497051
    • 2010-09-18
    • Fang RongZhengfeng ZhangMing LuHoulun LiMing Zhuang
    • Fang RongZhengfeng ZhangMing LuHoulun LiMing Zhuang
    • F16P3/00
    • B30B15/28F15B20/001
    • This invention covers to a kind of control valve, materially, it is a kind of Power-Off-Protection Type of Safety Control Double Valve applied to Pressing Machine. According to the technology proposal provided by this invention: The said power-off protection type of safety control double valve applied to pressing machines, including parallel type of double valve or cross-flow double valve; add safety valve to the output vent of parallel type of double valve or cross-flow double valve; configure at least one-aero-electric signal converter to the air flow passage from lower valve opening to compressed air output vent OUT of parallel type of double valve or cross-flow double valve; the output vent of parallel type of double valve or cross-flow double valve, is connective to the intake at one end of the safety valve; the said safety valve is a 2-position, 2-way normal open solenoid valve; the compressed air output vent of the said safety control double valve is located at one side of the safety valve, and the compressed air intake of safety control double valve is located at the other side relevant to the other side of compressed air output vent on the safety control valve.
    • 本发明涉及一种控制阀,其实质上是一种应用于压力机的安全控制双阀的断电保护型。 根据本发明提供的技术方案:所述断电保护型安全控制双阀适用于压制机,包括平行式双阀或横流双阀; 将安全阀添加到平行式双阀或横流双阀的输出通风口; 将至少一个空气电信号转换器配置到从下阀开口到平行式双阀或横流双阀的压缩空气输出口OUT的空气流通道; 平行式双阀或横流双阀的输出通风口连接到安全阀一端的进气口; 所述安全阀是2位2通常开电磁阀; 所述安全控制双阀的压缩空气输出通风口位于安全阀的一侧,安全控制双阀的压缩空气进口位于与压缩空气输出通风口另一侧相关的另一侧 安全控制阀。
    • 7. 发明授权
    • Propellant mixtures and aerosols for micronizing medicaments with compressed gas
    • 用于将压缩气体微粒化的推进剂混合物和气溶胶
    • US06228346B1
    • 2001-05-08
    • US09171695
    • 1998-12-09
    • Zhengfeng ZhangMartin Knoch
    • Zhengfeng ZhangMartin Knoch
    • A61L904
    • A61K9/008A61K9/124
    • Propellant mixtures and medicament aerosols which contain them are described for micronizing medicaments for pulmonary use. The propellant mixture is in a subcritical state and contains at least one component from a first class of propellant gasses and at least one component from a second class of propellant gasses. The first class includes propellant gasses with an evaporation enthalpy of 200 kJ/kg or less at 25° C. and a vapor pressure of 20 bars or more at 25° C., and the second class includes propellant gasses with an evaporation enthalpy of 300 kJ/kg or more at 25° C. and a vapor pressure of 10 bars or less at 25° C. By using this propellant mixture in a medicament aerosol, micronized medicaments are obtained in which approximately 80% by weight of the generated particles have less than 8 &mgr;m diameter.
    • 描述含有它们的推进剂混合物和药物气溶胶用于微粉化用于肺部使用的药物。 推进剂混合物处于亚临界状态,并且包含来自第一类推进剂气体的至少一种组分和来自第二类推进剂气体的至少一种组分。 第一类包括在25℃下蒸发焓为200kJ / kg或更低的推进剂气体,在25℃下蒸气压为20巴或更高,第二类包括蒸发焓为300的推进剂气体 25℃下的kJ / kg以上,25℃下10巴以下的蒸汽压。通过在药物气溶胶中使用该推进剂混合物,可获得微粉化药物,其中约80重量%的所产生的颗粒具有 小于8毫米直径。