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    • 1. 发明授权
    • Sugar cane membrane filtration process
    • 甘蔗膜过滤过程
    • US06406548B1
    • 2002-06-18
    • US09618830
    • 2000-07-18
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • C13D316
    • C13B10/00C13B20/00C13B20/165
    • A process for producing sugar from cane includes the step of filtering a sucrose-containing feed juice, which has been obtained from macerated sugar cane, through a first ultrafiltration membrane that has a first molecular weight cutoff. This ultrafiltration step produces a first ultrafiltration permeate and a first ultrafiltration retentate. The first ultrafiltration permeate is filtered through a second ultrafiltration membrane that has a second molecular weight cutoff that is lower than the first molecular weight cutoff. This second ultrafiltration step produces a second ultrafiltration permeate and a second ultrafiltration retentate. The second ultrafiltration permeate is nanofiltered through a nanofiltration membrane, thereby producing a nanofiltration permeate and a nanofiltration retentate. The nanofiltration retentate has a higher concentration of sucrose on a dry solids basis than the feed juice in step (a), and can be used in evaporation and crystallization operations to produce crystals of white sugar. The process can optionally include ion exchange and/or electrodialysis purification steps, prior to or after the nanofiltration step. Recycle syrups can be treated with a chromatographic separator to remove excess invert, ash and color.
    • 从甘蔗生产糖的方法包括通过具有第一分子量截留值的第一超滤膜过滤从浸出的甘蔗获得的含蔗糖的进料汁的步骤。 该超滤步骤产生第一超滤渗透物和第一超滤滞留物。 第一超滤渗透物通过具有低于第一分子量截止值的第二分子量截止值的第二超滤膜过滤。 该第二超滤步骤产生第二超滤渗透物和第二超滤滞留物。 第二超滤渗透物通过纳滤膜进行纳滤,从而产生纳滤膜渗透物和纳滤膜渗余物。 纳米过滤滞留物在干固体基础上具有比步骤(a)中的进料汁更高的蔗糖浓度,并且可用于蒸发和结晶操作以产生白糖晶体。 该方法可任选地包括在纳滤过程之前或之后的离子交换和/或电渗析纯化步骤。 回收糖浆可以用色谱分离器处理,以去除多余的反转,灰分和颜色。
    • 2. 发明授权
    • Sugar beet membrane filtration process
    • 甜菜膜过滤过程
    • US06440222B1
    • 2002-08-27
    • US09618831
    • 2000-07-18
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • C13D108
    • B01D61/142B01D61/16B01D2311/04C13B10/00C13B20/00C13B20/165B01D2311/103B01D2311/246B01D2311/2623B01D2311/268
    • A process for producing sugar from beets includes the step of filtering a sucrose-containing feed juice, which has been obtained from macerated sugar beets, through a first ultrafiltration membrane that has a first molecular weight cutoff. This ultrafiltration step produces a first ultrafiltration permeate and a first ultrafiltration retentate. The first ultrafiltration permeate is filtered through a second ultrafiltration membrane that has a second molecular weight cutoff that is lower than the first molecular weight cutoff. This second ultrafiltration step produces a second ultrafiltration permeate and a second ultrafiltration retentate. The second ultrafiltration permeate is nanofiltered through a nanofiltration membrane, thereby producing a nanofiltration permeate and a nanofiltration retentate. The nanofiltration retentate has a higher concentration of sucrose on a dry solids basis than the feed juice in step (a), and can be used in evaporation and crystallization operations to produce crystals of white sugar. The process can optionally include ion exchange and/or electrodialysis purification steps, prior to or after the nanofiltration step. Recycle syrups can be treated with enzyme or a chromatographic separator to remove raffinose.
    • 从甜菜制备糖的方法包括通过具有第一分子量截留值的第一超滤膜过滤从浸出的甜菜获得的含蔗糖的进料汁的步骤。 该超滤步骤产生第一超滤渗透物和第一超滤滞留物。 第一超滤渗透物通过具有低于第一分子量截止值的第二分子量截止值的第二超滤膜过滤。 该第二超滤步骤产生第二超滤渗透物和第二超滤滞留物。 第二超滤渗透物通过纳滤膜进行纳滤,从而产生纳滤膜渗透物和纳滤膜渗余物。 纳米过滤滞留物在干固体基础上具有比步骤(a)中的进料汁更高的蔗糖浓度,并且可用于蒸发和结晶操作以产生白糖晶体。 该方法可任选地包括在纳滤过程之前或之后的离子交换和/或电渗析纯化步骤。 可以用酶或色谱分离器处理回收糖浆以除去棉子糖。
    • 3. 发明授权
    • Sugar beet membrane filtration process
    • 甜菜膜过滤过程
    • US06406547B1
    • 2002-06-18
    • US09618416
    • 2000-07-18
    • Michael DonovanRobert P. JansenMarc HlavacekGordon WalkerJohn C. Williams
    • Michael DonovanRobert P. JansenMarc HlavacekGordon WalkerJohn C. Williams
    • C13D316
    • C13B10/00C13B20/00C13B20/165
    • A process for producing sugar from beets includes the step of filtering a sucrose-containing feed juice, which has been obtained by diffusion from sliced sugar beets, through a first ultrafiltration membrane that has a first molecular weight cutoff. This ultrafiltration step produces a first ultrafiltration permeate and a first ultrafiltration retentate. The first ultrafiltration permeate is filtered through a second ultrafiltration membrane that has a second molecular weight cutoff that is lower than the first molecular weight cutoff. This second ultrafiltration step produces a second ultrafiltration permeate and a second ultrafiltration retentate. The second ultrafiltration permeate is nanofiltered through a nanofiltration membrane, thereby producing a nanofiltration permeate and a nanofiltration retentate. The nanofiltration retentate has a higher concentration of sucrose on a dry solids basis than the feed juice in step (a), and can be used in evaporation and crystallization operations to produce crystals of white sugar. The process can optionally include ion exchange and/or electrodialysis purification steps, prior to or after the nanofiltration step. Recycle syrups can be treated with enzyme or a chromatographic separator to remove raffinose.
    • 从甜菜制备糖的方法包括将通过从切片的甜菜中扩散获得的含蔗糖的进料汁通过具有第一分子量截留值的第一超滤膜过滤的步骤。 该超滤步骤产生第一超滤渗透物和第一超滤滞留物。 第一超滤渗透物通过具有低于第一分子量截止值的第二分子量截止值的第二超滤膜过滤。 该第二超滤步骤产生第二超滤渗透物和第二超滤滞留物。 第二超滤渗透物通过纳滤膜进行纳滤,从而产生纳滤膜渗透物和纳滤膜渗余物。 纳米过滤滞留物在干固体基础上具有比步骤(a)中的进料汁更高的蔗糖浓度,并且可用于蒸发和结晶操作以产生白糖晶体。 该方法可任选地包括在纳滤过程之前或之后的离子交换和/或电渗析纯化步骤。 可以用酶或色谱分离器处理回收糖浆以除去棉子糖。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR SEAMLESSLY SWITCHING RECEPTION BETWEEN MULTIMEDIA STREAMS IN A WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中多媒体流无缝切换接收的方法与装置
    • US20070298789A1
    • 2007-12-27
    • US11752291
    • 2007-05-22
    • Ramaswamy MuraliGordon WalkerRajiv Vijayan
    • Ramaswamy MuraliGordon WalkerRajiv Vijayan
    • H04B7/00
    • H04N5/4401H04N5/50H04N21/41407H04N21/4345H04N21/4384H04N21/44222
    • Techniques to seamlessly switch reception between multimedia programs are described. For “continued decoding”, a wireless device continues to receive, decode, decompress, and (optionally) display a current program, even after a new program has been selected, until overhead information needed to decode the new program is received. After receiving the overhead information, the wireless device decodes the new program but continues to decompress the current program. The wireless device decompresses the new program after decoding this program. For “early decoding”, the wireless device receives a user input and identifies a program with potential for user selection. The identified program may be the one highlighted by the user input or a program anticipated to be selected based on the user input. The wireless device initiates decoding of the identified program, prior to its selection, so that the program can be decompressed and displayed earlier if it is subsequently selected.
    • 描述了在多媒体节目之间无缝切换接收的技术。 对于“继续解码”,即使在选择了新的程序之后,无线设备继续接收,解码,解压缩和(可选地)显示当前程序,直到接收到解码新程序所需的开销信息。 在接收到开销信息之后,无线设备解码新程序,但是继续解压缩当前程序。 解码该程序后,无线设备解压缩新程序。 对于“早期解码”,无线设备接收用户输入并识别具有用户选择潜力的节目。 识别的程序可以是由用户输入或预期将基于用户输入选择的程序突出显示的程序。 无线设备在其选择之前启动所识别的节目的解码,使得如果随后选择该节目,则可以更早地解压缩并显示节目。