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    Solid Phase Extraction Method Using Micro Device
    4.
    发明申请
    Solid Phase Extraction Method Using Micro Device 审中-公开

    公开(公告)号：US20200376410A1

    公开(公告)日：2020-12-03

    申请号：US16767830

    申请日：2019-08-07

    申请人： LG Chem, Ltd.

    发明人： Junwon Choi ,  Dae Hun Kim ,  Seonyoung Jegal ,  Ye Hoon Im ,  Yeu Young Youn

    IPC分类号： B01D11/02

    摘要： The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.

    REACTOR FOR MIXING HIGH VISCOSITY FLUIDS
    5.
    发明申请
    REACTOR FOR MIXING HIGH VISCOSITY FLUIDS 审中-公开

    公开(公告)号：US20200254418A1

    公开(公告)日：2020-08-13

    申请号：US16642661

    申请日：2018-09-05

    申请人： LG CHEM, LTD.

    发明人： Dae Hun Kim ,  Young Soo Song ,  Ye Hoon Im ,  Hyun Tae Jung

    IPC分类号： B01J19/00 ,  B01F7/18 ,  B01F7/24 ,  B01F7/00 ,  B01F3/10 ,  B01F3/08

    摘要： A reactor is described. The reactor comprises a housing having a reaction space to accommodate a reactant; an outlet pipe connected to a lower part of the reaction space; a rotating shaft disposed in the housing; and a plurality of stirring blades mounted on the rotating shaft. The housing has a lower converging region, and a cross-sectional area of the lower converging region decreases toward the outlet pipe. At least one of the plurality of stirring blades is located in the lower converging region. The outlet pipe includes a first region connected to the lower converging region and a second region extending from the first region in a discharge direction, a cross-sectional area of the first region decreases in a direction from the lower converging region toward the discharge direction, and the second region has a constant cross-sectional area.

    Solid phase extraction method using micro device
    8.
    发明授权
    Solid phase extraction method using micro device 有权

    公开(公告)号：US11260319B2

    公开(公告)日：2022-03-01

    申请号：US16767830

    申请日：2019-08-07

    申请人： LG Chem, Ltd.

    发明人： Junwon Choi ,  Dae Hun Kim ,  Seonyoung Jegal ,  Ye Hoon Im ,  Yeu Young Youn

    IPC分类号： B01D11/02 ,  B01L3/00 ,  G01N1/40 ,  B01D11/00

    摘要： The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.