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    • 1. 发明申请
    • COMPOSITIONS CONTAINING A VISIBLE COLORANT AND METHODS FOR CLEANING AND DECONTAMINATION
    • 包含可见色素的组合物和清洁和除去的方法
    • WO1996020995A1
    • 1996-07-11
    • PCT/US1996000208
    • 1996-01-05
    • TEXAS RESEARCH INSTITUTEDINGUS, Michael, L.ZOCH, Walter, P.MAYFIELD, Thomas, R.BRAY, AlanRUSHING, Rock, A.
    • TEXAS RESEARCH INSTITUTE
    • C11D03/14
    • C11D3/2003C11D3/18C11D3/3707C11D3/40
    • Improved compositions containing a visible coloring agent, such as a colored pigment or dye, together with a polymer or hydroxylated aliphate alcohol, a surfactant and in some embodiments, a therapeutic agent or biocide, are disclosed. The detectable coloring agent is readily visible under normal white light, and provides a technique for monitoring disturbed and undistrubed areas on a surface. The visible coloring agent of the compositions are further defined as imparting a color to the composition that remains virtually constant upon contact with a contaminant or change in pH of the composition, or of the surface or other environment to which it is exposed. Such is useful in the described methods for cleaning and/or decontaminating a surface, as in the decontamination of equipment and clothing used during hazardous spill response. The compositions are adherent to a variety of different materials, including Teflon3. This makes the preparations particularly useful in the cleaning and decontamination of non-flat and curved surfaces, such as on protective garments. The compositions, in particular embodiments, include a visually detectable coloring agent (such as a colored pigment), a surfactant (such as ethoxylate alcohol), and emulsifier (such as carboxymethyl cellulose), an extender (such as PEG), and a solvent (such as d-limonene). These compositions may also include water or other suitable diluent.
    • 公开了包含可见着色剂(例如有色颜料或染料)以及聚合物或羟基化脂族醇,表面活性剂和在一些实施方案中的治疗剂或杀生物剂的改进的组合物。 可检测的着色剂在正常白光下容易看到,并且提供了用于监测表面上的扰动和未喷射区域的技术。 组合物的可见着色剂进一步定义为赋予组合物颜色,该组合物在与污染物接触时保持基本上恒定,或者组合物或其暴露于其表面或其它环境的pH的变化。 这在所描述的用于清洁和/或净化表面的方法中是有用的,如在危险溢出反应期间使用的设备和衣物的去污。 组合物粘附于各种不同的材料,包括Teflon3。 这使得制剂在非平坦和弯曲表面的清洁和净化方面特别有用,例如在防护服上。 组合物,在具体实施方案中包括视觉上可检测的着色剂(例如着色颜料),表面活性剂(例如乙氧基化物醇)和乳化剂(例如羧甲基纤维素),增量剂(例如PEG)和溶剂 (如d-柠檬烯)。 这些组合物还可以包括水或其它合适的稀释剂。
    • 2. 发明申请
    • PERFORATED PLATE FILTER MEDIA AND RELATED PRODUCTS
    • 执行过滤介质及相关产品
    • WO1995030120A1
    • 1995-11-09
    • PCT/US1994004777
    • 1994-04-28
    • HENDRICKS, John, B.DINGUS, Michael, L.
    • F28F03/00
    • B01F5/0206B01D29/012B01D29/03B01D29/41B01D39/1692B01D46/10B01D46/12B01D2201/184B01F3/04262B01F2003/04148B01F2003/04312B01F2003/04858
    • Perforated plates (10) for use as filter media and devices for fluid injection and extrusion have a multiplicity of holes (14) of a uniform size and a selected diameter as small as 0.5 micron. The plates are made by a "wire drawing" process wherein a sacrificial wire material in plate metal can is repeatedly extruded and restacked, elongating the wire and reducing its diameter. Plates are then cut from the extruded composite, and the wire metal is removed by selective etching (Fig. 8). By use of this process, perforated plates with several features unavailable previously are obtained. In particular, the plates have much smaller holes, higher porosity, and uniform size and shape, along with any desired thickness and a high length-to-diameter ratio. Such plates are ideally suited for use as a medium for various types of filters where removal of contaminants sized in the lower micron range is desired. Size and distribution of the holes in the plate are precisely controllable, enabling separations of materials of specific sizes.
    • 用作过滤介质的穿孔板(10)和用于流体注入和挤出的装置具有多个孔(14),其尺寸均匀且选择的直径小至0.5微米。 板通过“拉丝”工艺制成,其中板金属罐中的牺牲丝材料被重复地挤出和重新包装,拉长线材并减小其直径。 然后从挤出的复合材料中切割板,并通过选择性蚀刻去除金属丝(图8)。 通过使用该方法,可以获得具有几个特征的穿孔板。 特别地,板具有小得多的孔,更高的孔隙率,并且具有均匀的尺寸和形状,以及任何期望的厚度和高的长径比。 这种板非常适合用作各种类型的过滤器的介质,其中需要去除尺寸在较低微米范围内的污染物。 板中的孔的尺寸和分布是精确可控的,能够分离特定尺寸的材料。