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    Continuous loop flow process for polyether polyol production
    1.
    发明授权
    Continuous loop flow process for polyether polyol production 有权
    聚醚多元醇生产的连续循环流程

    公开(公告)号：US08912364B2

    公开(公告)日：2014-12-16

    申请号：US12992025

    申请日：2009-05-19

    申请人： Carlos M. Villa ,  John W. Weston ,  Pradeep Jain ,  Leigh H. Thompson ,  Jean-Paul Masy

    发明人： Carlos M. Villa ,  John W. Weston ,  Pradeep Jain ,  Leigh H. Thompson ,  Jean-Paul Masy

    IPC分类号： C08G65/00 ,  C08G65/26

    CPC分类号： C08G65/2663 ,  C08G65/2609 ,  C08G65/2696 ,  Y02P20/124

    摘要： The present disclosure relates, according to some embodiments, to compositions, apparatus, methods, and systems that may be used to produce polyols, for example, polyether polyols with a narrow range of molecular weights, with little if any unsaturated byproducts, in a sustained and/or continuous reaction, with efficient heat transfer, and/or at high production rates. For example, in some embodiments, teachings of the disclosure may be used to produce polyether polyols in a continuous loop flow process. A continuous loop flow process may be practiced such that heat is effectively transferred and/or product properties (e.g., range of molecular weights) are controllable. For example, a continuous loop flow process may use one or more continuous flow loops comprising a heat exchanger, a means to move material around each loop, inlets for catalyst, monomer, initiator or starter, and an outlet for polyol product.

    摘要翻译： 根据一些实施方案，本公开涉及可用于制备多元醇的组合物，装置，方法和系统，例如具有窄范围分子量的聚醚多元醇，几乎没有不饱和副产物，在持续的 和/或连续反应，有效的热传递和/或以高生产率。 例如，在一些实施方案中，本公开的教导可用于在连续环流过程中制备聚醚多元醇。 可以实践连续环流过程，使得有效地转移热量和/或产物性质（例如，分子量范围）是可控的。 例如，连续环流过程可以使用一个或多个连续流动回路，其包括热交换器，用于在每个回路周围移动材料的装置，用于催化剂，单体，引发剂或起动器的入口以及多元醇产物的出口。

    Continuous Loop Flow Process For Polyether Polyol Production
    2.
    发明申请
    Continuous Loop Flow Process For Polyether Polyol Production 有权
    聚醚多元醇生产的连续循环流程

    公开(公告)号：US20110105802A1

    公开(公告)日：2011-05-05

    申请号：US12992025

    申请日：2009-05-19

    申请人： Carlos M. Villa ,  John W. Weston ,  Pradeep Jain ,  Leigh H. Thompson ,  Jean-Paul Masy

    发明人： Carlos M. Villa ,  John W. Weston ,  Pradeep Jain ,  Leigh H. Thompson ,  Jean-Paul Masy

    IPC分类号： C07C41/02 ,  B01J19/00

    CPC分类号： C08G65/2663 ,  C08G65/2609 ,  C08G65/2696 ,  Y02P20/124

    摘要： The present disclosure relates, according to some embodiments, to compositions, apparatus, methods, and systems that may be used to produce polyols, for example, polyether polyols with a narrow range of molecular weights, with little if any unsaturated byproducts, in a sustained and/or continuous reaction, with efficient heat transfer, and/or at high production rates. For example, in some embodiments, teachings of the disclosure may be used to produce polyether polyols in a continuous loop flow process. A continuous loop flow process may be practiced such that heat is effectively transferred and/or product properties (e.g., range of molecular weights) are controllable. For example, a continuous loop flow process may use one or more continuous flow loops comprising a heat exchanger, a means to move material around each loop, inlets for catalyst, monomer, initiator or starter, and an outlet for polyol product.

    摘要翻译： 根据一些实施方案，本公开涉及可用于制备多元醇的组合物，装置，方法和系统，例如具有窄范围分子量的聚醚多元醇，几乎没有不饱和副产物，在持续的 和/或连续反应，有效的热传递和/或以高生产率。 例如，在一些实施方案中，本公开的教导可用于在连续环流过程中制备聚醚多元醇。 可以实践连续环流过程，使得有效地转移热量和/或产物性质（例如，分子量范围）是可控的。 例如，连续环流过程可以使用一个或多个连续流动回路，其包括热交换器，用于在每个回路周围移动材料的装置，用于催化剂，单体，引发剂或起动器的入口以及多元醇产物的出口。

    Finishing design to increase the polymer content in an olefin solution polymerization process
    5.
    发明授权
    Finishing design to increase the polymer content in an olefin solution polymerization process 有权
    精加工设计，以提高烯烃溶液聚合过程中的聚合物含量

    公开(公告)号：US06420516B1

    公开(公告)日：2002-07-16

    申请号：US09555915

    申请日：2000-06-06

    申请人： Li-Min Tau ,  Robert O. Swindoll ,  Che-I Kao ,  Pradeep Jain

    发明人： Li-Min Tau ,  Robert O. Swindoll ,  Che-I Kao ,  Pradeep Jain

    IPC分类号： C08F610

    CPC分类号： C08F6/003 ,  B01J2219/1942 ,  C08F6/10 ,  C08L23/00

    摘要： The polymer recovery capacity of solution polymerization units is increased by flashing a polymer solution exiting olefin polymerization reactors to produce a concentrated polymer solution having a reduced temperate and a solids content from 10 percent to 40 percent by weight. Flashing of the polymer solution preferably occurs at a temperature at least 20° C. higher than the crystallization temperature of the concentrated polymer solution The concentrated polymer solution can be prepared adiabatically and can be subsequently finished in conventional polymer recovery units without increasing the risk of gel formation.

    摘要翻译： 通过闪烁离开烯烃聚合反应器的聚合物溶液来提高溶液聚合单元的聚合物回收能力，以产生具有降低的温度和10至40重量％的固体含量的浓缩聚合物溶液。 聚合物溶液的闪烁优选在比浓缩的聚合物溶液的结晶温度高至少20℃的温度下发生。聚合的聚合物溶液可以绝热制备，随后在常规聚合物回收装置中完成，而不增加凝胶的风险 形成。

    SYSTEM AND METHOD PROVIDING STANDBY BYPASS FOR DOUBLE FAILURE PROTECTION IN MPLS NETWORK
    7.
    发明申请
    SYSTEM AND METHOD PROVIDING STANDBY BYPASS FOR DOUBLE FAILURE PROTECTION IN MPLS NETWORK 有权
    在MPLS网络中为双重故障保护提供备用旁路的系统和方法

    公开(公告)号：US20140092722A1

    公开(公告)日：2014-04-03

    申请号：US13630908

    申请日：2012-09-28

    申请人： Pradeep Jain ,  Kanwar Singh ,  Srikrishnan Venkataraman

    发明人： Pradeep Jain ,  Kanwar Singh ,  Srikrishnan Venkataraman

    IPC分类号： H04L12/26

    CPC分类号： H04L12/26 ,  H04L43/00 ,  H04L45/22 ,  H04L45/50

    摘要： A method for providing a Backup Label Switched Path for a specified Bypass Label Switch Path is disclosed. The method for providing a Backup Label Switched Path for a specified Bypass Label Switch Path includes establishing a Bypass LSP having an end-to-end path; obtaining the nodes traversed by the end-to-end path; generating a request to a path calculator which using the nodes provided on the end-to-end path calculates a path disjoint to those nodes; and signaling the calculated disjoint path as a Backup LSP for the Bypass LSP. The method for providing a Backup Label Switched Path for a specified Bypass Label Switch Path provides protection advantages over systems known in the art by providing capability for handling double failure scenarios.

    摘要翻译： 公开了一种用于为指定的旁路标签交换路径提供备份标签交换路径的方法。 用于为指定的旁路标签交换路径提供备份标签交换路径的方法包括建立具有端到端路径的旁路LSP; 获取由端到端路径遍历的节点; 生成对使用提供在端到端路径上的节点的路径计算器的请求计算与这些节点不相交的路径; 并将计算出的不相交路径信令作为旁路LSP的备份LSP。 用于为指定的旁路标签交换路径提供备份标签交换路径的方法通过提供处理双重故障情形的能力，提供了与本领域已知的系统相比的保护优点。

    Increasing precision in multi-stage processing of digital signals
    9.
    发明授权
    Increasing precision in multi-stage processing of digital signals 失效

    公开(公告)号：US06996597B2

    公开(公告)日：2006-02-07

    申请号：US10092927

    申请日：2002-03-06

    申请人： Ashish Mathur ,  Srinivasan Gopalaswamy ,  Pradeep Jain

    发明人： Ashish Mathur ,  Srinivasan Gopalaswamy ,  Pradeep Jain

    IPC分类号： G06F7/38

    CPC分类号： H04L27/2628

    摘要： Precision of multi-stage digital signal processing is increased by preserving least significant bits of one or more output samples of a particular processing stage, having finite word widths, while avoiding the loss of most significant bits. The technique is applicable to one or more stages of multi-stage digital signal processing, thereby increasing precision therein and the signal-to-noise ratio. A plurality of output samples are calculated using a plurality of input samples, and the dynamic range of one or more of the output samples is decreased if the output sample can be represented in a smaller dynamic range without losing a significant bit. The input samples of a particular stage, obtained from the output samples of a previous stage, may further be normalized so that the input samples are represented in the same dynamic range before being processed.