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107 条记录 (耗时 0.031 秒)

    Detection apparatus and associated method
    2.
    发明授权
    Detection apparatus and associated method 有权
    检测装置及相关方法

    公开(公告)号：US08425858B2

    公开(公告)日：2013-04-23

    申请号：US11480068

    申请日：2006-06-30

    申请人： Steven Francis LeBoeuf ,  Peter Micah Sandvik ,  Radislav Alexandrovich Potyrailo

    发明人： Steven Francis LeBoeuf ,  Peter Micah Sandvik ,  Radislav Alexandrovich Potyrailo

    IPC分类号： G01N31/22

    CPC分类号： G01N33/54366 ,  G01N21/6428 ,  G01N21/645 ,  G01N33/54373 ,  G01N2021/7786

    摘要： An apparatus includes an article and a detector. The article includes a substrate, a faceted structure disposed on the substrate, and a sensor layer disposed on the faceted structure. The faceted structure is disposed on the substrate first surface and itself has a surface. The faceted structure surface has peripheral edge defining a diameter of the faceted structure surface. The sensor layer is disposed on the faceted structure surface. The sensor layer can react or can interact with a target species when the target species is sufficiently proximate to the sensor layer. The sensor layer responds to the reaction or to the interaction in a detectable manner. The detector detects a response to the reaction, or to the interaction, of the target species with the sensor layer.

    摘要翻译： 一种装置包括物品和检测器。 该物品包括基底，设置在基底上的刻面结构以及设置在刻面结构上的传感器层。 小面结构设置在基板第一表面上并且本身具有表面。 小面结构表面具有限定小平面结构表面直径的周缘。 传感器层设置在刻面结构表面上。 当目标物种足够靠近传感器层时，传感器层可以与目标物种反应或相互作用。 传感器层以可检测的方式响应于反应或相互作用。 检测器检测到目标物种与传感器层的反应或相互作用的响应。

    Aromatic polycarbonate characterization
    4.
    发明授权
    Aromatic polycarbonate characterization 失效
    芳香聚碳酸酯表征

    公开(公告)号：US06541264B1

    公开(公告)日：2003-04-01

    申请号：US09692548

    申请日：2000-10-19

    申请人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon ,  Terry Kay Leib

    发明人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon ,  Terry Kay Leib

    IPC分类号： G01N3344

    CPC分类号： G01N21/6452 ,  G01N21/6428 ,  G01N2021/6421

    摘要： In a rapid and non-invasive method for characterizing aromatic polycarbonates, fluorescence intensities are determined at least two wavelength ranges and used to calculate a compositional or physical property of the sample. The method is suitable for determining the relative amounts of linear and branched polycarbonates, and it is fast enough to monitor the progress of polymerization reactions.

    摘要翻译： 在用于表征芳族聚碳酸酯的快速和非侵入性方法中，荧光强度被确定为至少两个波长范围，并用于计算样品的组成或物理性质。 该方法适用于确定直链和支链聚碳酸酯的相对量，并且足够快以监测聚合反应的进展。

    Melt polycarbonate catalyst systems
    6.
    发明授权
    Melt polycarbonate catalyst systems 有权
    熔融聚碳酸酯催化剂体系

    公开(公告)号：US06323303B1

    公开(公告)日：2001-11-27

    申请号：US09681228

    申请日：2001-03-01

    申请人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon ,  James Claude Carnahan ,  Patrick Joseph McClosky

    发明人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon ,  James Claude Carnahan ,  Patrick Joseph McClosky

    IPC分类号： C08G6400

    CPC分类号： C08G64/307

    摘要： This invention provides a method for preparing polycarbonates, which utilizes polycondensation catalysts which are compounds or complexes of Ruthenium (II) and (III). Preferred catalysts are compounds of the formula [Ru(aryl)3]2+2X−, where X is a counterion. We have found that this new class of catalysts provides excellent polymerization rates for the preparation of Bisphenol A polycarbonate from the melt polymerization of diphenyl carbonate and Bisphenol A.

    摘要翻译： 本发明提供一种制备聚碳酸酯的方法，其使用作为钌（II）和（III）的化合物或络合物的缩聚催化剂。 优选的催化剂是式[Ru（芳基）3] 2 + 2X-的化合物，其中X是抗衡离子。 我们已经发现，这种新型的催化剂由碳酸二苯酯和双酚A的熔融聚合制备双酚A聚碳酸酯提供优异的聚合速率。

    Method for direct measurement of polycarbonate compositions by fluorescence
    7.
    发明授权
    Method for direct measurement of polycarbonate compositions by fluorescence 失效
    通过荧光直接测量聚碳酸酯组合物的方法

    公开(公告)号：US06193850B1

    公开(公告)日：2001-02-27

    申请号：US09398678

    申请日：1999-09-20

    申请人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon

    发明人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon

    IPC分类号： G01N2322

    CPC分类号： G01N21/64 ,  G01N2021/6417 ,  G01N2021/6484 ,  G01N2201/0826

    摘要： The present invention provides a method for directly determining the concentration of a target species, such as Fries product, in a composition comprising aromatic carbonate chain units. In an exemplary embodiment, the method includes the steps of irradiating a portion of the composition with electromagnetic radiation at an excitation wavelength sufficient to cause the target species to emit a fluorescence spectrum; detecting at least a portion of the fluorescence spectrum; and determining the concentration of the target species from the fluorescence spectrum. In addition to detecting Fries product in formed polycarbonate materials, the method can also be utilized to directly determine the concentration of a target species in parallel polycarbonate reactor systems.

    摘要翻译： 本发明提供了一种在包含芳族碳酸酯链单元的组合物中直接测定目标物种如Fries产品的浓度的方法。 在一个示例性实施例中，该方法包括以足以使目标物质发射荧光光谱的激发波长的电磁辐射照射组合物的一部分的步骤; 检测至少一部分荧光光谱; 并从荧光光谱确定靶物种的浓度。 除了在形成的聚碳酸酯材料中检测Fries产品之外，还可以使用该方法来直接测定平行聚碳酸酯反应器系统中靶物种的浓度。

    Method and apparatus for obtaining fluorescence data
    8.
    发明授权
    Method and apparatus for obtaining fluorescence data 失效
    用于获得荧光数据的方法和装置

    公开(公告)号：US6166804A

    公开(公告)日：2000-12-26

    申请号：US398676

    申请日：1999-09-20

    申请人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon

    发明人： Radislav Alexandrovich Potyrailo ,  John Patrick Lemmon

    IPC分类号： G01N21/64

    CPC分类号： G01N21/643 ,  G01N21/645 ,  G01N2021/6484

    摘要： In an exemplary embodiment, the apparatus includes an electromagnetic radiation source, an optical analyzer, and a fiber optic bundle. The fiber optic bundle has an excitation fiber in optical communication with the electromagnetic radiation source and a plurality of emission fibers in optical communication with the optical analyzer. The optical analyzer can have multiple channels, including a fluorescence-emission channel in optical communication with the emission fibers. Optionally, the fiber optic bundle can further contain at least one reflection fiber in optical communication with an absorbance/reflectance channel. In addition to detecting Fries product in formed polycarbonate materials, the method and apparatus can also be utilized to directly determine the concentration of a target species in parallel polycarbonate reactor systems.

    摘要翻译： 在示例性实施例中，该装置包括电磁辐射源，光学分析器和光纤束。 光纤束具有与电磁辐射源光通信的激励光纤和与光学分析器光学通信的多个发射光纤。 光学分析仪可以具有多个通道，包括与发射光纤光学通信的荧光发射通道。 可选地，光纤束还可以包含与吸光度/反射率通道光连通的至少一个反射光纤。 除了在形成的聚碳酸酯材料中检测Fries产品之外，还可以使用该方法和装置来直接确定并联聚碳酸酯反应器系统中靶物种的浓度。

    Method and apparatus for rapid screening of volatiles
    10.
    发明授权
    Method and apparatus for rapid screening of volatiles 失效
    快速筛选挥发物的方法和装置

    公开(公告)号：US06881585B1

    公开(公告)日：2005-04-19

    申请号：US09519330

    申请日：2000-03-06

    申请人： Radislav Alexandrovich Potyrailo ,  James Claude Carnahan ,  Ralph Joseph May ,  John Patrick Lemmon

    发明人： Radislav Alexandrovich Potyrailo ,  James Claude Carnahan ,  Ralph Joseph May ,  John Patrick Lemmon

    IPC分类号： G01N33/00 ,  G01N27/416

    CPC分类号： G01N33/0009 ,  G01N33/0047

    摘要： In one embodiment, the present method includes the steps of introducing a volume of a sample into a vapor delivery line and volatilizing at least a portion of the volume as it is carried through the vapor delivery line. At least a portion of the volatilized volume contacts a sensor element, which produces a signal that is monitored to reveal information about the sample. All components upstream of the sensor element are substantially free of sorbent materials so that the sample volume does not contact a substantially sorbent material before contacting the sensor element.

    摘要翻译： 在一个实施方案中，本方法包括以下步骤：将一定体积的样品引入蒸气输送管线中，并且当其通过蒸气输送管线运送时挥发挥发体积的至少一部分。 挥发的体积的至少一部分与传感器元件接触，传感器元件产生被监控的信号以揭示关于样品的信息。 传感器元件上游的所有部件基本上没有吸附剂材料，使得样品体积在接触传感器元件之前不接触基本吸附材料。