Anti-microbial fibrous media
    72.
    发明授权
    Anti-microbial fibrous media 失效
    抗微生物纤维介质

    公开(公告)号:US06514306B1

    公开(公告)日:2003-02-04

    申请号:US09492665

    申请日:2000-01-27

    IPC分类号: B01D3902

    CPC分类号: B01D39/1607 Y10S55/05

    摘要: A fibrous element is described. The fibrous element includes a container member and an anti-microbial agent, wherein the anti-microbial agent is disposed within the container member. The container member can include structures such as an elongated fiber having multiple lobes with a longitudinally extending internal cavity including an opening from the internal cavity to the outer fiber formed between adjacent lobes, an elongated fiber having an internal longitudinally extending cavity having a longitudinally extending opening, and a particulate. The anti-microbial agent is capable of diffusing out of the container member and throughout the fibrous element in response to elevated relative humidity levels in order to contact and kill a microbial population.

    摘要翻译: 描述纤维状元件。 纤维状元件包括容器构件和抗微生物剂,其中抗微生物剂设置在容器构件内。 容器构件可以包括诸如具有多个凸起的细长纤维的结构,所述细长纤维具有纵向延伸的内腔,其包括从内腔到在相邻凸角之间形成的外纤维的开口;细长纤维,其具有内纵向延伸空腔, ,和颗粒。 抗微生物剂能够响应于升高的相对湿度水平而扩散到容器构件和整个纤维元件中,以便接触和杀死微生物群体。

    Multicomponent depth odor control filter and method of manufacture
    73.
    发明授权
    Multicomponent depth odor control filter and method of manufacture 失效
    多组分深度气味控制过滤器及其制造方法

    公开(公告)号:US5951744A

    公开(公告)日:1999-09-14

    申请号:US963920

    申请日:1997-11-04

    IPC分类号: B01J20/32 C22B3/22 B01D39/02

    摘要: A unique filtration device (10) which continuously removes gas phase contaminants from an air stream through the use of partially hollow wicking fibers (20) impregnated with a fine solid carbon powder (18) or zeolites and formed into a fiber filter (12) with a selected chemisorptive liquid applied to one side of the fiber filter (12) and large carbon particles (19) applied to the other side of the fiber filter (12). The air stream to be cleaned is directed through filter element (12) which can capture the gas phase contaminants. The wicking fibers (20) include internal longitudinal cavities (22) filled with the fine carbon powder (18) and each having a relatively small longitudinal extending opening (24). The wicking fibers (20), to a shallow depth on one side of filter (12), are filled with the selected contaminant removing chemisorptive liquid through capillary action by which the individual wicking fibers (20) rapidly draw the selected chemisorptive liquid, with which they come into contact, through the internal cavities (22). The chemisorptive liquid and fine carbon powder (18) or zeolite powder remain within the wicking fiber cavities (22) and generally do not enter the space between the wicking fibers yet through the longitudinal openings (24) the fine carbon particles (18) and the chemisorptive liquid are in full fluid communication with the air stream flowing past the fibers (20).

    摘要翻译: 一种独特的过滤装置(10),其通过使用浸渍有细固体碳粉末(18)或沸石的部分中空芯吸纤维(20)连续地从气流中除去气相污染物并形成纤维过滤器(12) 施加到纤维过滤器(12)的一侧的选择的化学吸附液体和施加到纤维过滤器(12)的另一侧的大的碳颗粒(19)。 待清洁的空气流被引导通过可以捕获气相污染物的过滤元件(12)。 芯吸纤维(20)包括填充有细碳粉末(18)的每个具有相对小的纵向延伸开口(24)的内部纵向空腔(22)。 毛细纤维(20)在过滤器(12)的一侧的浅深度上通过毛细管作用填充选择的污染物去除化学吸收液体,通过该作用,各个芯吸纤维(20)快速吸取所选择的化学吸收液体, 它们通过内部空腔(22)接触。 化学吸收液体和细碳粉末(18)或沸石粉末保留在芯吸纤维空腔(22)内,并且通常不会通过纵向开口(24)进入芯吸纤维之间的细碳颗粒(18)和 化学吸收液体与流过纤维(20)的空气流完全流体连通。

    Method and apparatus for the continuous capturing and removal of gas
molecules
    76.
    发明授权
    Method and apparatus for the continuous capturing and removal of gas molecules 失效
    用于连续捕获和去除气体分子的方法和装置

    公开(公告)号:US5704966A

    公开(公告)日:1998-01-06

    申请号:US666853

    申请日:1996-06-19

    摘要: A unique filtration method and device (10) which continuously removes several gas phase contaminants from an air stream through the use of partially hollow wicking fibers (20) impregnated with a selected liquid which can capture the gas phase contaminants. The wicking fibers (20) are generally disposed parallel and are formed into a filter element (12) which extends from the air stream to be cleaned into another air stream which can strip and carry away the unwanted gas phase contaminants. The gas phase contaminants are conveyed to the stripping air stream by a concentration factor induced molecular migration. The air stream to be cleaned is directed through a compartment (16) across which the filter element (12) extends so the complete air flow is through filter element (12). Filter element (12) also extends into another compartment (18) through which the stripping air stream flows. The wicking fibers (20) include internal longitudinal cavities (22) each with a relatively small longitudinal extending opening (24). The wicking fibers (20) are filled with the selected contaminant removing liquid through capillary action by which the individual wicking fibers (20) rapidly draw the selected liquid, with which they come into contact, through the internal cavities (22). The absorption liquid remains within the wicking fiber cavities (22) and generally does not enter the space between the wicking fibers yet through the longitudinal openings (24) the liquid is in full communication with the air stream flowing past the fibers (20).

    摘要翻译: 一种独特的过滤方法和装置(10),其通过使用浸渍有可以捕获气相污染物的选定液体的部分中空芯吸纤维(20)从空气流中连续地去除多个气相污染物。 芯吸纤维(20)通常平行设置并形成过滤器元件(12),该过滤元件从待清洁的空气流延伸到可以剥离和携带不需要的气相污染物的另一个气流中。 通过浓度因子诱导的分子迁移将气相污染物输送到汽提空气流。 要清洁的空气流被引导通过隔室(16),过滤元件(12)延伸穿过该隔室(16),使得完整的空气流通过过滤元件(12)。 过滤器元件(12)还延伸到另一隔室(18)中,汽提气流通过该隔室(18)流动。 芯吸纤维(20)包括各自具有相对小的纵向延伸开口(24)的内部纵向空腔(22)。 芯吸纤维(20)通过毛细管作用填充所选择的污染物去除液体,通过该作用,各个芯吸纤维(20)通过内部空腔(22)快速地吸引与它们接触的选定液体。 吸收液体保持在芯吸纤维空腔(22)内,并且通常不通过纵向开口(24)进入芯吸纤维之间的空间,液体与流过纤维(20)的气流完全相通。

    Highly porous chitosan bodies
    78.
    发明授权
    Highly porous chitosan bodies 失效
    高度多孔的壳聚糖体

    公开(公告)号:US5525710A

    公开(公告)日:1996-06-11

    申请号:US304617

    申请日:1994-09-12

    CPC分类号: B01J20/24 B01J20/26

    摘要: There is provided a crosslinked, highly porous chitosan body, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 0.75 g/cm.sup.3, a surface area of equal to or greater than about 170 m.sup.2 /g, and a compression strength of equal to or less than about 75% yield at 300 psi.

    摘要翻译: 提供了交联的高度多孔的壳聚糖体,其中多孔体的特征在于其具有开孔三维晶格结构,密度小于约0.75g / cm 3,表面积等于或大于 约170m 2 / g,在300psi下的压缩强度等于或小于约75%。

    Low density materials having good compression strength and articles
formed therefrom
    79.
    发明授权
    Low density materials having good compression strength and articles formed therefrom 失效
    具有良好抗压强度的低密度材料和由其形成的制品

    公开(公告)号:US5502082A

    公开(公告)日:1996-03-26

    申请号:US148110

    申请日:1993-11-04

    摘要: A crosslinked, highly porous body derived from a water-soluble, hydrogel polymer, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cm.sup.3 a surface area of equal to or greater than about 30 m.sup.2 /g, a compression strength of equal to or less than about 10% yield at 10 psi, and an average pore diameter of less than about 1000 Angstroms.When the hydrogel polymer used is guar gum, the resulting product is particularly useful for thermal insulation applications.

    摘要翻译: 衍生自水溶性水凝胶聚合物的交联的高度多孔体,其中所述多孔体的特征在于其具有开孔三维晶格结构,密度小于约1.0g / cm 3,表面积 等于或大于约30m 2 / g,在10psi下的压缩强度等于或小于约10%,平均孔径小于约1000埃。 当使用的水凝胶聚合物是瓜尔胶时,所得到的产品对于绝热应用特别有用。

    Support matrices and immobilized enzyme systems
    80.
    发明授权
    Support matrices and immobilized enzyme systems 失效
    支持基质和固定化酶体系

    公开(公告)号:US4416992A

    公开(公告)日:1983-11-22

    申请号:US362206

    申请日:1982-03-26

    IPC分类号: C12N11/08 C12N11/14 C12N11/06

    CPC分类号: C12N11/08 C12N11/14

    摘要: Support matrices are prepared by titanating the surface hydroxyl groups of refractory inorganic oxides with a titanium tetrahalide, such as TiCl.sub.4, reacting each of the remaining halogens of the surface-titanated oxide with one of the amino groups of diamine, and thereafter reacting the remaining amino group with one of the functional groups of a dialdehyde or diisocyanate. Titanating is carried out by contacting a refractory inorganic oxide with titanium tetrahalide, preferably in the absence of a solvent for the titanium tetrahalide, removing excess and unreacted titanium tetrahalide and heating the titanated inorganic oxide at a temperature of from about 80.degree. C. to about 200.degree. C. in an inert atmosphere of nitrogen, argon or helium, or in a vacuum. Such support matrices may be used to bind enzymes, affording effective immobilized enzyme systems.

    摘要翻译: 通过用四卤化钛(例如TiCl 4)对难溶性无机氧化物的表面羟基进行钛化来制备支撑基质,使表面氧化钛的剩余卤素与二胺的氨基之一反应,然后使剩余的氨基 与二醛或二异氰酸酯的官能团之一组合。 通过使耐火无机氧化物与四卤化钛接触,优选在不存在用于四卤化钛的溶剂的情况下,除去过量的和未反应的四卤化钛,并将钛酸化的无机氧化物在约80℃至约 在氮气,氩气或氦气的惰性气氛中,或在真空中。 这种支持基质可用于结合酶,提供有效的固定化酶体系。