Water absorbing polymers
    2.
    发明授权
    Water absorbing polymers 失效
    吸水聚合物

    公开(公告)号:US5384343A

    公开(公告)日:1995-01-24

    申请号:US915887

    申请日:1992-07-20

    IPC分类号: C10L9/10 C22B1/244 C08K11/00

    CPC分类号: C22B1/244 C10L9/10

    摘要: A water absorbing particulate polymer material wherein the polymer material when in dry powder form has a particle size of about 50 .mu.m to about 500 .mu.m and wherein the particles consist of internally bonded finer particles which finer particles have a size below 50 .mu.m. The process of using the water absorbing polymer, material to convert a wet sticky mass of inorganic particulate such as coal fines into a crumbly or flowable solid. A process using a water absorbing particulate polymer material to convert a wet sticky mass of organic particulate material into a crumbly or flowable solid wherein the organic matter can be, for example, food waste or sewage.

    摘要翻译: 一种吸水性粒状聚合物材料,其中当干粉形式的聚合物材料具有约50μm至约500μm的粒度,并且其中所述颗粒由内部粘合的较细颗粒组成,其中较细颗粒的尺寸低于50μm。 使用吸水性聚合物的过程是将湿的粘性物质如煤粉转化为易碎或可流动的固体。 一种使用吸水性粒状聚合物材料将湿粘性有机颗粒材料转化成易碎或可流动的固体的方法,其中有机物可以是例如食物废物或污水。

    Water absorbing polymers
    3.
    发明授权
    Water absorbing polymers 失效
    吸水聚合物

    公开(公告)号:US4690971A

    公开(公告)日:1987-09-01

    申请号:US835602

    申请日:1986-03-03

    IPC分类号: C02F11/12 C08L33/26

    CPC分类号: C02F11/12

    摘要: A slurry or cake is converted to a crumbly state by admixture, in the absence of a polymeric binder, with water swellable, cross-linked, non-sticky, wholly synthetic polymer particles formed of a polymer of acrylic acid (as free acid or water soluble salt) with cross-linking agent and, optionally, acrylamide and/or other monomers.

    摘要翻译: 在不存在聚合物粘合剂的情况下,将浆料或滤饼通过混合物与由丙烯酸(作为游离酸或水形成的)聚合物形成的水可膨胀,交联,非粘性的全合成聚合物颗粒混合而转化为脆弱状态 可溶性盐)与交联剂和任选的丙烯酰胺和/或其它单体。

    Squid detected NMR and MRI at ultralow fields
    7.
    发明授权
    Squid detected NMR and MRI at ultralow fields 失效
    鱿鱼在超低场检测到核磁共振和核磁共振

    公开(公告)号:US07466132B2

    公开(公告)日:2008-12-16

    申请号:US11740339

    申请日:2007-04-26

    IPC分类号: G01V3/00

    摘要: Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequency independent, both signal-to-noise ratio (SNR) and spectral resolution are enhanced by detecting the NMR signal in extremely low magnetic fields, where the NMR lines become very narrow even for grossly inhomogeneous measurement fields. MRI in ultralow magnetic field is based on the NMR at ultralow fields. Gradient magnetic fields are applied, and images are constructed from the detected NMR signals.

    摘要翻译: 核磁共振(NMR)信号在微量场中检测。 随后用毫米级直流超导量子干涉仪(SQUID)磁力计检测millitesla场的预偏振。 由于SQUID的灵敏度是频率无关的,所以通过检测极低磁场中的NMR信号来提高信噪比(SNR)和光谱分辨率,即使对于非常不均匀的测量场,NMR线也变得非常窄。 超低磁场中的MRI是基于超低场的NMR。 应用梯度磁场,并根据检测到的NMR信号构建图像。

    Squid detected NMR and MRI at ultralow fields
    8.
    发明授权
    Squid detected NMR and MRI at ultralow fields 有权
    鱿鱼在超低场检测到核磁共振和核磁共振

    公开(公告)号:US07218104B2

    公开(公告)日:2007-05-15

    申请号:US11534757

    申请日:2006-09-25

    IPC分类号: G01V3/00

    摘要: Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequency independent, both signal-to-noise ratio (SNR) and spectral resolution are enhanced by detecting the NMR signal in extremely low magnetic fields, where the NMR lines become very narrow even for grossly inhomogeneous measurement fields. MRI in ultralow magnetic field is based on the NMR at ultralow fields. Gradient magnetic fields are applied, and images are constructed from the detected NMR signals.

    摘要翻译: 核磁共振(NMR)信号在微量场中检测。 随后用毫米级直流超导量子干涉仪(SQUID)磁力计检测millitesla场的预偏振。 由于SQUID的灵敏度是频率无关的,所以通过检测极低磁场中的NMR信号来提高信噪比(SNR)和光谱分辨率,即使对于非常不均匀的测量场,NMR线也变得非常窄。 超低磁场中的MRI是基于超低场的NMR。 应用梯度磁场,并根据检测到的NMR信号构建图像。

    Balloon expandable stent
    10.
    发明申请
    Balloon expandable stent 有权
    球囊扩张支架

    公开(公告)号:US20060079958A1

    公开(公告)日:2006-04-13

    申请号:US11274158

    申请日:2005-11-16

    IPC分类号: A61F2/06

    CPC分类号: A61L29/085 A61L31/10

    摘要: The present invention relate to a balloon expandable stent mounted on a balloon catheter, the entire assembly being overcoated with a coherent polymer coating, which is preferably substantially continuous over the circumference and, more preferably, axial length of the stent on the balloon. The polymer coating improves retention of the stent on the balloon during delivery and does not adversely effect the deployment characteristics, nor the balloon failure characteristics. The product is made by mounting the stent on the balloon and coating the assembly with a liquid coating composition containing a suitable polymer followed by curing of the coating. The polymer is biocompatible and preferably crosslinkable in the coating composition, and crosslinked in the final product. A suitable polymer is formed from monomers including a zwitterionic, preferably a phosphoryl choline, group, and monomers including a trialkoxysilyl group. Preferably the coated product is contacted with ethylene oxide to provide simultaneous sterilization and additional curing.

    摘要翻译: 本发明涉及一种安装在球囊导管上的球囊可扩张支架,整个组件被涂覆有凝聚聚合物涂层,其优选地基本上在圆周上基本上连续,更优选地,支架在气囊上的轴向长度。 聚合物涂层改善了支架在输送过程中在气囊上的保持性,并且不会对展开特征以及球囊破坏特性产生不利影响。 该产品通过将支架安装在气球上并用包含合适聚合物的液体涂料组合物涂覆组合物,然后固化涂层而制成。 聚合物是生物相容的并且优选在涂料组合物中可交联,并在最终产物中交联。 合适的聚合物由包括两性离子,优选磷酰胆碱的单体和包含三烷氧基甲硅烷基的单体形成。 优选地,涂覆的产品与环氧乙烷接触以提供同时的灭菌和额外的固化。