Method of using hydrophilized bactericidal polymers

    公开(公告)号:US11134684B2

    公开(公告)日:2021-10-05

    申请号:US15163285

    申请日:2016-05-24

    摘要: A bactericidal polymeric composition includes a hydrophilic first comonomer copolymerized to a second comonomer to produce a polymeric composition that is more hydrophilic or more bactericidal in an aqueous solution than either of the comonomers alone. Methods for identifying bactericidal polymers, methods for rendering materials bactericidal, and methods for using bactericidal compositions to kill or reduce bacterial growth are also described. Applications for the inventive compositions include their use in catheters, stents, medical devices, contact lenses; root canal fillers; and/or wound dressings.

    Group III nitride bulk crystals and fabrication method

    公开(公告)号:US09834863B2

    公开(公告)日:2017-12-05

    申请号:US14598982

    申请日:2015-01-16

    IPC分类号: C30B29/40 C30B7/10

    CPC分类号: C30B29/403 C30B7/105

    摘要: Bulk crystal of group III nitride having thickness greater than 1 mm with improved crystal quality, reduced lattice bowing and/or reduced crack density and methods of making. Bulk crystal has a seed crystal, a first crystalline portion grown on the first side of the seed crystal and a second crystalline portion grown on the second side of the seed crystal. Either or both crystalline portions have an electron concentration and/or an oxygen concentration similar to the seed crystal.The bulk crystal can have an additional seed crystal, with common faces (e.g. same polarity, same crystal plane) of seed crystals joined so that a first crystalline part grows on the first face of the first seed crystal and a second crystalline part grows on the first face of the second seed crystal. Each crystalline part's electron concentration and/or oxygen concentration may be similar to its corresponding seed crystal.

    High pressure reactor and method of growing group III nitride crystals in supercritical ammonia

    公开(公告)号:US09783910B2

    公开(公告)日:2017-10-10

    申请号:US15194350

    申请日:2016-06-27

    发明人: Tadao Hashimoto

    摘要: Provided is a high-pressure reactor suitable for a high-pressure process using supercritical ammonia grow bulk crystal of group III nitride having lateral dimension larger than 2 inches or to form various transition metal nitrides. The reactor has nutrient distributed along the reactor's longitudinal axis and seed material positioned at the reactor's inner wall and along the reactor's longitudinal axis. Nutrient diffuses through supercritical ammonia from the reactor's longitudinal axis and deposits on the seed material positioned by the reactor's inner wall. Both the nutrient and seed material are heated by the same heater. Material growth can primarily be due to material diffusion through supercritical ammonia. This configuration and methodology reduce convective movement of supercritical ammonia due to temperature differential, providing a more quiescent environment in which group III nitride or transition metal nitride is formed.

    Gas gun launcher
    9.
    发明授权
    Gas gun launcher 有权
    气枪发射器

    公开(公告)号:US09567108B2

    公开(公告)日:2017-02-14

    申请号:US14659572

    申请日:2015-03-16

    申请人: QUICKLAUNCH, INC.

    摘要: A gas gun launcher has a pump tube and a launch tube with a first end of the launch tube slidably inserted into a second end of the pump tube. The pump tube may hold a heat exchanger to heat a light gas used to launch a vehicle. A sliding seal can be employed to manage recoil and to retain the gas within the launch tube and the pump tube. A fast-closing muffler at the second end of the launch tube can conserve the light gas utilized for launching a vehicle, enabling the light gas to be recycled. A launch tube alignment system is preferably automatic, ensuring the survival of the launch vehicle.

    摘要翻译: 气枪发射器具有泵管和发射管,发射管的第一端可滑动地插入泵管的第二端。 泵管可以容纳热交换器以加热用于发射车辆的轻质气体。 可以使用滑动密封件来管理反冲并将气体保持在发射管和泵管内。 发射管第二端的快速关闭消音器可以节省用于发射车辆的轻质气体,从而使轻型气体得以回收利用。 发射管对准系统优选是自动的,确保运载火箭的存活。