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    • 2. 发明授权
    • Process and apparatus for efficient recovery of dichlorohydrins
    • 用于有效回收二氯代醇的方法和装置
    • US08471077B2
    • 2013-06-25
    • US12935299
    • 2009-03-18
    • Anil Mehta
    • Anil Mehta
    • C07C29/80C07C27/28
    • B01J19/00B01D3/143C07C29/82C07C31/42
    • A process and apparatus is disclosed for recovering dichlorohydrins from a hydrochlorination reactor effluent stream comprising dichlorohydrins, one or more compounds selected from esters of dichlorohydrins, monochlorohydrins and/or esters thereof, and multihydroxylated-aliphatic hydrocarbon compounds and/or esters thereof, and optionally one or more substances comprising water, chlorinating agents, catalysts and/or esters of catalysts. The reactor effluent stream is distilled to produce a dichlorohydrin-rich vapor phase effluent stream. The dichlorohydrin-rich vapor phase effluent stream is cooled and condensed in two unit operations conducted at two different temperatures and a portion of the liquid phase effluent stream produced by the first unit operation is recycled to the distillation step for reflux. Product streams produced by the process and apparatus are suitable for further processing in a further unit operation, such as dehydrochlorination. Advantages include recovery of high purity dichlorohydrins, more efficient recovery of dichlorohydrins, and reduced capital investment in the recovery equipment.
    • 公开了一种从含有二氯代醇的氢氯化反应器流出物流中回收二氯代醇的方法和装置,一种或多种选自二氯代醇,一氯醇和/或其酯的酯,以及多羟基化脂族烃化合物和/或其酯,以及任选的一种 或更多的含有水,氯化剂,催化剂和/或催化剂酯的物质。 将反应器流出物流蒸馏以产生富含二氯丙醇的气相流出物流。 将富含二氯丙醇的气相流出物流在两个不同温度下进行两个单元操作冷却和冷凝,并将通过第一单元操作产生的一部分液相流出物流循环至蒸馏步骤进行回流。 由该方法和装置产生的产物流适用于另外的单元操作如脱氯化氢中的进一步处理。 优点包括回收高纯度二氯丙醇,更有效地回收二氯丙醇,并减少回收设备的资本投入。
    • 3. 发明授权
    • High jitter scheduling of interleaved frames in an arbitrated loop
    • 仲裁循环中交错帧的高抖动调度
    • US07809852B2
    • 2010-10-05
    • US10152763
    • 2002-05-22
    • Rodney N. MullendoreStuart F. ObermanAnil MehtaKeith SchakelKamran Malik
    • Rodney N. MullendoreStuart F. ObermanAnil MehtaKeith SchakelKamran Malik
    • G06F13/00
    • H04L47/6215H04L12/433H04L47/22H04L47/283H04L47/50H04L47/6225H04L49/357
    • A system and method for converting low-jitter, interleaved frame traffic, such as that generated in an IP network, to high jitter traffic to improve the utilization of bandwidth on arbitrated loops such as Fibre Channel Arbitrated Loops. Embodiments of a high jitter scheduling algorithm may be used in devices such as network switches that interface an arbitrated loop with an IP network that carries low-jitter traffic. The high jitter algorithm may use a separate queue for each device on the arbitrated loop, or alternatively may use one queue for two or more devices. Incoming frames are distributed among the queues based upon each frame's destination device. The scheduling algorithm may then service the queues and forward queued frames to the devices from the queues. In one embodiment, the queues are serviced in a round-robin fashion. In one embodiment, each queue may be serviced for a programmed limit.
    • 将诸如IP网络中生成的低抖动交织帧流量转换为高抖动流量以提高诸如光纤通道仲裁环路之类的仲裁环路上的带宽利用率的系统和方法。 高抖动调度算法的实施例可以用于诸如将仲裁环路与承载低抖动流量的IP网络相连接的网络交换机的设备。 高抖动算法可以对仲裁环路上的每个设备使用单独的队列,或者可以为两个或更多个设备使用一个队列。 基于每个帧的目的地设备,进入的帧被分配在队列之间。 然后,调度算法可以对队列进行服务并将排队的帧从队列转发到设备。 在一个实施例中,队列以循环方式服务。 在一个实施例中,每个队列可以被服务于编程限制。