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    Marking materials and marking processes therewith
    4.
    发明授权
    Marking materials and marking processes therewith 有权
    标记材料和标记过程

    公开(公告)号：US06309042B1

    公开(公告)日：2001-10-30

    申请号：US09408606

    申请日：1999-09-30

    申请人： Richard P. N. Veregin ,  Carl P. Tripp ,  Maria N. V. McDougall ,  T. Brian McAneney

    发明人： Richard P. N. Veregin ,  Carl P. Tripp ,  Maria N. V. McDougall ,  T. Brian McAneney

    IPC分类号： B41J2015

    CPC分类号： C09C3/12 ,  B41J2/04 ,  B41J2202/02 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/80

    摘要： Disclosed is an apparatus for depositing a particulate marking material onto a substrate, comprising (a) a printhead having defined therein at least one channel, each channel having an inner surface and an exit orifice with a width no larger than about 250 microns, the inner surface of each channel having thereon a hydrophobic coating material; (b) a propellant source connected to each channel such that propellant provided by the propellant source can flow through each channel to form propellant streams therein, said propellant streams having kinetic energy, each channel directing the propellant stream through the exit orifice toward the substrate; and (c) a marking material reservoir having an inner surface, said inner surface having thereon the hydrophobic coating material, said reservoir containing particles of a particulate marking material, said reservoir being communicatively connected to each channel such that the particulate marking material from the reservoir can be controllably introduced into the propellant stream in each channel so that the kinetic energy of the propellant stream can cause the particulate marking material to impact the substrate, wherein either (i) the marking material particles of particulate marking material have an outer coating of the hydrophobic coating material; or (ii) the marking material particles have additive particles on the surface thereof, said additive particles having an outer coating of the hydrophobic coating material; or (iii) both the marking material particles and the additive particles have an outer coating of the hydrophobic coating material.

    摘要翻译： 公开了一种用于将颗粒状标记材料沉积到基底上的装置，包括（a）其中限定有至少一个通道的打印头，每个通道具有内表面和宽度不大于约250微米的出口孔，内部 每个通道的表面上具有疏水涂层材料; （b）连接到每个通道的推进剂源，使得由推进剂源提供的推进剂可以流过每个通道以在其中形成推进剂流，所述推进剂流具有动能，每个通道将推进剂流引导通过出口孔朝向基底; 和（c）具有内表面的标记材料储存器，所述内表面上具有疏水涂层材料，所述储存器包含颗粒标记材料的颗粒，所述储存器连通地连接到每个通道，使得来自储存器的颗粒标记材料 可以可控地引入每个通道中的推进剂流中，使得推进剂流的动能可导致颗粒状标记材料冲击基材，其中（i）颗粒标记材料的标记材料颗粒具有外涂层 疏水涂料; 或（ii）标记材料颗粒在其表面上具有添加剂颗粒，所述添加剂颗粒具有疏水涂层材料的外涂层; 或（iii）标记材料颗粒和添加剂颗粒都具有疏水涂层材料的外涂层。

    Selective filtration and concentration of toxic nerve agents
    10.
    发明授权
    Selective filtration and concentration of toxic nerve agents 失效
    选择性过滤和浓度有毒的神经毒素

    公开(公告)号：US06610125B2

    公开(公告)日：2003-08-26

    申请号：US10001664

    申请日：2001-10-23

    申请人： Carl P. Tripp ,  Sofian M. Kanan

    发明人： Carl P. Tripp ,  Sofian M. Kanan

    IPC分类号： B01D5304

    CPC分类号： G01N1/405 ,  B01D53/04 ,  B01D2253/106 ,  B01D2253/112 ,  B01D2259/40088 ,  G01N1/22 ,  G01N1/40 ,  G01N30/02 ,  B01D15/422

    摘要： Methods of increasing the relative concentration of a target molecule in a gas stream, so that it can be more easily detected by a semiconducting metal oxide based sensor. A gas stream is passed through an adsorbent, the stream containing molecules of the target molecule in a mixture containing molecules of at least one non-target molecule. Both the target and non-target molecules are adsorbed on the adsorbent. Another gas stream containing molecules of a chemical displacer is passed through the adsorbent, the molecules of the chemical displacer adsorbing on the adsorbent to selectively displace the target molecules from the adsorbent while leaving the non-target molecules adsorbed. The chemical displacement causes the displaced target molecules to enter the gas stream. The gas stream can then be passed through a semiconducting metal oxide based sensor to detect the target molecules.

    摘要翻译： 增加气流中靶分子的相对浓度的方法，以便可以通过基于半导体金属氧化物的传感器更容易地检测。 气流通过吸附剂，该流在含有至少一个非靶分子的分子的混合物中含有靶分子的分子。 目标和非目标分子都吸附在吸附剂上。 含有化学置换剂分子的另一气流通过吸附剂，吸附在吸附剂上的化学置换剂的分子选择性地将吸附剂上的目标分子置换，同时吸附非目标分子。 化学位移导致位移的目标分子进入气流。 然后可以将气流通过基于半导体金属氧化物的传感器以检测目标分子。