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    Two-step cleaning or dewatering with siloxane azeotropes
    1.
    发明授权
    Two-step cleaning or dewatering with siloxane azeotropes 失效
    用硅氧烷共沸物两步清洗或脱水

    公开(公告)号：US5628833A

    公开(公告)日：1997-05-13

    申请号：US322643

    申请日：1994-10-13

    申请人： Cheryl A. McCormack ,  Dwight E. Williams

    发明人： Cheryl A. McCormack ,  Dwight E. Williams

    IPC分类号： B05D7/24 ,  B01D12/00 ,  B05D7/14 ,  C11D3/43 ,  C11D7/26 ,  C11D7/50 ,  C11D7/60 ,  B08B3/04 ,  B08B3/08

    CPC分类号： C11D7/261 ,  B01D12/00 ,  C11D3/43 ,  C11D7/5009 ,  C11D7/5031 ,  C11D7/263

    摘要： A process for cleaning or dewatering a surface in which there is applied to the surface a washing composition containing a volatile methyl siloxane such as hexamethyldisiloxane or octamethyltrisiloxane, and an agent for enhancing cleaning or dewatering such as a glycol ether or surface active agent. While the surface is still wet with the washing composition, it is rinsed with an azeotrope containing hexamethyldisiloxane or octamethyltrisiloxane, and 2-pentanol, 2-methyl -1-pentanol, 3-methyl-3-pentanol, 1-methoxy-2-propanol, 1-butoxy -2-propanol, 1-hexanol, n-propoxypropanol, or ethyl lactate. The surface is then dried or permitted to dry.

    摘要翻译： 用于清洁或脱水表面的方法，其中向表面施加含有挥发性甲基硅氧烷如六甲基二硅氧烷或八甲基三硅氧烷的洗涤组合物，以及用于增强清洁或脱水的试剂如二醇醚或表面活性剂。 当表面仍然用洗涤组合物润湿时，用含有六甲基二硅氧烷或八甲基三硅氧烷的共沸物，2-戊醇，2-甲基-1-戊醇，3-甲基-3-戊醇，1-甲氧基-2-丙醇 ，1-丁醇-2-丙醇，1-己醇，正丙氧基丙醇或乳酸乙酯。 然后将表面干燥或允许干燥。

    Method of making liquid chromatography dual zone packing materials
    3.
    发明授权
    Method of making liquid chromatography dual zone packing materials 失效
    制备液相色谱双区包装材料的方法

    公开(公告)号：US4941974A

    公开(公告)日：1990-07-17

    申请号：US335885

    申请日：1989-04-10

    申请人： Dwight E. Williams

    发明人： Dwight E. Williams

    IPC分类号： B01J20/32

    CPC分类号： B01J20/3285 ,  B01J20/287 ,  B01J20/288 ,  B01J20/3227 ,  B01J20/3246 ,  B01J20/3257 ,  B01J20/3263 ,  B01D15/325

    摘要： Dual zone reverse phase packing materials for use in liquid chromatographic blood serum analysis are prepared by contacting a porous support, such as porous silica, with a fluorocarbon silane, such as a perfluorobutylsilyl compound, to form a lipophobic phase in the external zone of the porous support, and, then contacting the porous support with a lipophilic silane, such as an octadecylsilyl compound, to form a lipophilic partitioning phase in the internal zone of the porous support. Ketal blocked diol groups, which later may be hydrolyzed to diol groups, are also attached to both zones of the packing materials. The dual zone reverse phase packing materials display a reduced degree of serum protein adsorption in the external zone while drug substances are retained and separated by the lipophilic partitioning phase in the internal zone.

    摘要翻译： 通过使诸如多孔二氧化硅的多孔载体与诸如全氟丁基甲硅烷基化合物的碳氟硅烷接触，在多孔的外部区域中形成疏水相，制备用于液相色谱血清分析的双区反相包装材料。 支持，然后使多孔载体与亲脂性硅烷如十八烷基甲硅烷基化合物接触，以在多孔载体的内部区域中形成亲油性分配相。 Ketal封端的二醇基团（其随后可能被水解成二醇基团）也附着在包装材料的两个区域上。 双区反相包装材料在外部区域显示血清蛋白吸附程度降低，而药物物质通过内部区域中的亲脂性分配相保留并分离。

    Method for producing dual zone materials by catalyzed halosilylation
    7.
    发明授权
    Method for producing dual zone materials by catalyzed halosilylation 失效
    通过催化卤代甲硅烷基化生产双区材料的方法

    公开(公告)号：US4950635A

    公开(公告)日：1990-08-21

    申请号：US248737

    申请日：1988-09-22

    申请人： Dwight E. Williams ,  Thomas J. Tangney

    发明人： Dwight E. Williams ,  Thomas J. Tangney

    IPC分类号： B01D15/08 ,  B01J20/32

    CPC分类号： B01D15/08 ,  B01J20/3204 ,  B01J20/3257 ,  B01J20/3259 ,  B01J20/3261 ,  B01J20/3263 ,  B01J20/3265 ,  Y10T428/2995

    摘要： Dual zone porous materials having an external zone and an internal zone are prepared by contacting a suspension of a porous support, such as particulate silica, in a solvent with a halosilane and a catalyst for the halosilane in order to form first silyl groups predominantly on the external surfaces of the porous support. Preferably thereafter the porous support is contacted with a silane having second silyl groups in order to a form second silyl groups predominantly on the internal surfaces.

    摘要翻译： 具有外部区域和内部区域的双区域多孔材料通过将多孔载体（例如颗粒状二氧化硅）在溶剂中的悬浮液与卤代硅烷和卤代硅烷的催化剂接触来制备，以形成主要在 多孔载体的外表面。 此后优选地，多孔载体与具有第二甲硅烷基的硅烷接触，以形成主要在内表面上的第二甲硅烷基。

    Using liquid chromatography dual zone packing materials
    8.
    发明授权
    Using liquid chromatography dual zone packing materials 失效
    使用液相色谱双区包装材料

    公开(公告)号：US4855054A

    公开(公告)日：1989-08-08

    申请号：US212100

    申请日：1988-06-27

    申请人： Dwight E. Williams

    发明人： Dwight E. Williams

    IPC分类号： B01D15/08 ,  B01J20/32

    CPC分类号： B01J20/3285 ,  B01D15/325 ,  B01J20/3204 ,  B01J20/3219 ,  B01J20/3227 ,  B01J20/3257

    摘要： Dual zone reverse phase packing materials for use in liquid chromatographic blood serum analysis are prepared by contacting a porous support, such as porous silica, with a fluorocarbon silane, such as a perfluorobutylsilyl compound, to form a lipophobic phase in the external zone of the porous support, and, then contacting the porous support with a lipophilic silane, such as an octadecylsilyl compound, to form a lipophilic partitioning phase in the internal zone of the porous support. Ketal blocked diol groups, which later may be hydrolyzed to diol groups, are also attached to both zones of the packing materials. The dual zone reverse phase packing materials display a reduced degree of serum protein adsorption in the external zone while drug substances are retained and separated by the lipophilic partitioning phase in the internal zone.

    摘要翻译： 通过使诸如多孔二氧化硅的多孔载体与诸如全氟丁基甲硅烷基化合物的碳氟硅烷接触，在多孔的外部区域中形成疏水相，制备用于液相色谱血清分析的双区反相包装材料。 支持，然后使多孔载体与亲脂性硅烷如十八烷基甲硅烷基化合物接触，以在多孔载体的内部区域中形成亲油性分配相。 Ketal封端的二醇基团（其随后可能被水解成二醇基团）也附着在包装材料的两个区域上。 双区反相包装材料在外部区域显示血清蛋白吸附程度降低，而药物物质通过内部区域中的亲脂性分配相保留并分离。

    Liquid chromatography dual zone packing materials
    9.
    发明授权
    Liquid chromatography dual zone packing materials 失效
    液相色谱双区包装材料

    公开(公告)号：US4778600A

    公开(公告)日：1988-10-18

    申请号：US63576

    申请日：1987-06-17

    申请人： Dwight E. Williams

    发明人： Dwight E. Williams

    IPC分类号： G01N30/88 ,  B01D15/08 ,  B01J20/281 ,  B01J20/283 ,  B01J20/286 ,  B01J20/292 ,  B01J20/32

    CPC分类号： B01J20/3285 ,  B01D15/325 ,  B01J20/3204 ,  B01J20/3219 ,  B01J20/3227 ,  B01J20/3257 ,  B01J20/3263

    摘要： Dual zone reverse phase packing materials for use in liquid chromatographic blood serum analysis are prepared by contacting a porous support, such as porous silica, with a fluorocarbon silane, such as a perfluorobutylsilyl compound, to form a lipophobic phase in the external zone of the porous support, and, then contacting the porous support with a lipophilic silane, such as an octadecylsilyl compound, to form a lipophilic partitioning phase in the internal zone of the porous support. Ketal blocked diol groups, which later may be hydrolyzed to diol groups, are also attached to both zones of the packing materials. The dual zone reverse phase packing materials display a reduced degree of serum protein adsorption in the external zone while drug substances are retained and separated by the lipophilic partitioning phase in the internal zone.

    Vehicle steering system
    10.
    发明授权
    Vehicle steering system 失效
    车辆转向系统

    公开(公告)号：US4367881A

    公开(公告)日：1983-01-11

    申请号：US192711

    申请日：1980-10-01

    申请人： Dwight E. Williams

    发明人： Dwight E. Williams

    IPC分类号： B62D7/02 ,  B62D9/00

    CPC分类号： B62D7/02

    摘要： The steering system includes a rotatable steering control member located remotely from a steerable dirigible wheel unit, a drive sprocket mounted for common rotation with the steering control member, a short length of roller or sprocket chain trained about the drive sprocket, a driven sprocket mounted for common rotation with the dirigible wheel unit, a short length of roller or sprocket chain trained about the driven sprocket, and flexible members, such as wire cables, interconnecting the chains so that the driven sprocket is rotated in response to rotation of the drive sprocket. Two sets of coaxially aligned pairs of pulley are located between the drive and driven sprockets and the cables are trained over the same sides of the pulleys in each set and thereby are guided through a circuitous route between the sprockets. One set of pulleys is adjustably mounted relative to the cables for adjusting the tension applied on the cables to remove slack therefrom.

    摘要翻译： 该转向系统包括一个可转向的转向控制构件，该转动控制构件远离可转向的可拆卸轮组件，与转向控制构件共同旋转的驱动链轮，围绕驱动链轮训练的较短长度的滚轮或链轮链; 与实际轮单元共同旋转，围绕从动链轮训练的较短长度的辊或链轮链，以及互连链条的柔性构件（例如线缆），使得从动链轮响应于驱动链轮的旋转而旋转。 两组同轴对准的滑轮对位于驱动链轮和从动链轮之间，并且电缆在每组中的皮带轮的相同侧面上被训练，并且由此被引导通过链轮之间的迂回路线。 一组滑轮相对于电缆可调节地安装，用于调节施加在电缆上的张力以从中移除松弛。