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    • 6. 发明申请
    • PREPARATION METHOD OF (3S,4S)-3-HEXYL-4-((R)-2-HYDROXYTRIDECYL)-OXETAN-2-0NE AND THE PRODUCT OF THAT METHOD
    • (3S,4S)-3-甲基-4 - ((R)-2-羟基吡啶基) - 异-2-烯的制备方法及其制法
    • US20110046400A1
    • 2011-02-24
    • US12990111
    • 2008-05-26
    • Yong QinXianglin DengXuan ZhouGuofeng YuKe WangHao SongXiaolin WangShan Huang
    • Yong QinXianglin DengXuan ZhouGuofeng YuKe WangHao SongXiaolin WangShan Huang
    • C07D305/12
    • C07D305/12C07D213/70
    • The present invention relates to a method for the preparation of (3S,4S)-3-hexyl-4-((R)-2-hydroxytridecyl)-oxetan-2-one and a product of the method. The method includes the following steps: a) reducing a substance represented by formula (II) to obtain a substance represented by formula (III), and then oxidizing the substance represented by formula (III) to form a substance represented by formula (IV); b) acylating n-octanoic acid to obtain n-octanoyl chloride using thionyl dichloride, then condensing the obtained n-octanoyl chloride with 2-mercapto-pyridine under basic condition to form a substance represented by formula (V), and then converting the substance represented by formula (V) to a substance represented by formula (VI); c) reacting the substance obtained in the step a) with the substance obtained in the step b) under catalytic condition of Lewis acid to generate a substance represented by formula (VII), and then reacting with a Lewis acid. The meanings of the signs in these formulas are the same as those in the description.
    • 本发明涉及制备(3S,4S)-3-己基-4 - ((R)-2-羟基十三烷基)氧杂环丁烷-2-酮的方法和该方法的产物。 该方法包括以下步骤:a)还原由式(II)表示的物质以获得由式(III)表示的物质,然后氧化由式(III)表示的物质以形成由式(IV)表示的物质, ; b)用正辛酸酰化得到正辛酰氯,然后在碱性条件下将所得的正辛酰氯与2-巯基 - 吡啶缩合形成式(Ⅴ)表示的物质,然后转化成物质 由式(Ⅴ)代表由式(Ⅵ)表示的物质; c)在路易斯酸的催化条件下,使步骤a)中获得的物质与步骤b)中获得的物质反应,生成由式(Ⅶ)表示的物质,然后与路易斯酸反应。 这些公式中的符号的含义与描述中的符号的含义相同。
    • 9. 发明授权
    • Destination based methodology for managing network resources
    • 用于管理网络资源的基于目标的方法
    • US08885667B2
    • 2014-11-11
    • US12500751
    • 2009-07-10
    • Ron da SilvaShan HuangMichael S. Kelsen
    • Ron da SilvaShan HuangMichael S. Kelsen
    • H04L12/801H04L12/823H04L12/851H04L12/413H04L12/927H04L12/813
    • H04L47/10H04L12/413H04L47/12H04L47/20H04L47/2441H04L47/32H04L47/808
    • A replicator is configured to be coupled to a first packet-based network, and a packet analysis module and a router are coupled to the replicator. The router is configured to be coupled to a second packet-based network. The replicator receives packets from the first packet-based network, passes the packets to the router, and passes a copy of the packets to the packet analysis module. The packet analysis module identifies, in a set of customers of the second packet-based network, a top usage subset. The top usage subset includes those of the customers who are using more bandwidth of the second packet-based network than other ones of the customers. The top usage subset includes at least two of the customers. The packet analysis module identifies, at an entry point of the second packet-based network, routes of packets destined for the top usage subset. The router discards a predetermined percentage of the packets destined for the top usage subset. The predetermined percentage is determined in order to reduce bandwidth utilization of the second packet-based network by a desired amount. The predetermined percentage is identical for all of the customers in the top usage subset.
    • 复制器被配置为耦合到第一基于分组的网络,并且分组分析模块和路由器耦合到复制器。 路由器被配置为耦合到第二基于分组的网络。 复制器从第一个基于分组的网络接收分组,将分组传递给路由器,并将分组的副本传递给分组分析模块。 分组分析模块在第二基于分组的网络的一组客户中识别顶部使用子集。 最大的使用子集包括那些正在使用第二个基于分组的网络的带宽比其他客户的客户的那些。 最高使用量子集包括至少两个客户。 分组分析模块在第二基于分组的网络的入口点处识别去往顶部使用子集的分组的路由。 路由器丢弃目的地为最大使用子集的预定百分比的分组。 确定预定百分比以便将第二基于分组的网络的带宽利用率减少期望的量。 对于最高使用子集中的所有客户,预定百分比是相同的。