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    • 2. 发明申请
    • Compositions comprising silicone pressure sensitive adhesives for delivering oral care substances
    • 包含用于递送口腔护理物质的硅氧烷压敏粘合剂的组合物
    • US20070166244A1
    • 2007-07-19
    • US11334928
    • 2006-01-19
    • Chanchal GhoshStephen KovacsSatyanarayana Majeti
    • Chanchal GhoshStephen KovacsSatyanarayana Majeti
    • A61K8/89
    • A61Q11/00A61K8/892A61K8/898
    • Disclosed are compositions for delivering one or more oral care substances to the oral cavity, comprising: (a) a silicone pressure sensitive adhesive selected from a silicone/resin copolymer with silicon-bonded hydroxyl radicals, a silicone/resin copolymer with endcapped silicon-bonded hydroxyl radicals and mixtures thereof; (b) a plasticizing material; (c) a water-soluble bioadhesive polymer; (d) a hydrophilic surfactant, and (e) at least one oral care substance. The silicone/resin copolymer is prepared by polycondensing a silanol endblocked polydialkylsiloxane and a hydroxyl endblocked silicate resin. The polycondensation product may be further reacted with a trialkylsilyl endcapping agent to reduce the number of hydroxyl radicals in the polymer. Further disclosed are methods of using these compositions, such as for teeth bleaching and whitening applications.
    • 公开了用于将一种或多种口腔护理物质递送到口腔的组合物,其包括:(a)选自具有硅键合羟基的硅氧烷/树脂共聚物的硅氧烷压敏粘合剂,具有封端硅键合的硅树脂/树脂共聚物 羟基自由基及其混合物; (b)增塑材料; (c)水溶性生物粘附聚合物; (d)亲水性表面活性剂,和(e)至少一种口腔护理物质。 通过使硅烷醇封端的聚二烷基硅氧烷和羟基封端的硅酸盐树脂缩聚来制备硅树脂/树脂共聚物。 缩聚产物可以进一步与三烷基甲硅烷基封端剂反应以减少聚合物中羟基自由基的数量。 还公开了使用这些组合物的方法,例如用于牙齿漂白和美白应用。
    • 5. 发明授权
    • Exit window for X-ray lithography beamline
    • X射线光刻线束出口窗口
    • US5524042A
    • 1996-06-04
    • US356493
    • 1994-12-15
    • Stephen Kovacs
    • Stephen Kovacs
    • G21K5/00G03F7/20G21K5/02H01J5/18H01L21/027H05H7/00G21K1/00
    • G03F7/70808G03F7/70841H01J5/18H05H7/00
    • An exit window for an X-ray lithography beamline having a shape and thickness such that the exit window can withstand a pressure differential of at least 14.7 psi and allows an X-ray beam as passed through the window to have X-rays above and below a desired energy band substantially attenuated. The exit window includes a thin material having a window section disposed within an opening of a frame and a peripheral section which is integral with the window section and extends within the frame. The window section has a shape that is substantially concave along its width, substantially linear along its length and tapers to a flat surface near the periphery of the opening. A method of scanning the X-ray beam through a stationary exit window and onto an exposure field on a wafer is also disclosed.
    • 用于具有形状和厚度的X射线光刻束线的出射窗,使得出射窗能够承受至少14.7psi的压力差,并允许X射线束通过窗口以使X射线在上方和下方 所需能带基本上衰减。 出口窗口包括具有设置在框架的开口内的窗口部分的薄材料和与窗口部分整体并在框架内延伸的周边部分。 窗口部分具有沿其宽度基本上凹入的形状,沿其长度基本上线性并且在开口周边附近的平坦表面逐渐变细。 还公开了通过静止出射窗将扫描X射线束并在晶片上的曝光场上的方法。