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    • 6. 发明授权
    • Powders having contact biocidal properties
    • 具有接触杀菌性能的粉末
    • US07700131B2
    • 2010-04-20
    • US11183726
    • 2005-07-18
    • Alan TaylorGeorge Andrew Francis RobertsFrances Ann Wood
    • Alan TaylorGeorge Andrew Francis RobertsFrances Ann Wood
    • A01N59/16A01N25/12A61K33/38A61K31/28A61K9/14
    • A01N59/16A01N43/16A01N25/10A01N25/08A01N2300/00
    • Powders having contact biocidal properties comprise a polysaccharide carrying atomic/metallic silver. The preferred polysaccharide is chitin, although other polysaccharides including chitosan, carboxymethyl celluloses and carrageenans can be used. The chitin may be obtained from deproteinated crustacean shells without demineralisation, thus being admixed with calcium carbonate and other naturally occurring minerals present in the shells, and may be enzyme deacetylated. The powders of the invention can be used as biocidal dusting powders, formulated into pastes, gels, hydrogels, creams, foams and aerosol sprays for pharmaceutical applications, or dissolved to form solutions for coating substrates such as skin, fabrics, glass, leather and paper to give a bactericidal surface. A particular application of such a solution is as a protective, post-wash treatment for workwear in a laundering process. The powders of the invention may be prepared by slurrying a polysaccharide, which is capable of interacting with silver ions and which is in powder form, in a liquid in which the polymer is insoluble, which liquid contains silver ions, filtering off the powder, washing the powder, reducing the silver ions which have interacted with the polysaccharide to atomic/metallic silver, and drying the powder. According to the polysaccharide chosen, the liquid is suitably water or aqueous ethanol. The silver ions may derive from silver nitrate. The reduction of the silver ions which have interacted with the polysaccharide to atomic/metallic silver can be effected photochemically through exposure to light. To hasten the reduction, however, the washed powder is preferably slurried in a solution of an alkali metal halide, irradiated under stirring with natural or artificial light containing an ultraviolet component, and again filtered off and washed, before drying it.
    • 具有接触杀生物性质的粉末包含携带原子/金属银的多糖。 优选的多糖是几丁质,尽管可以使用包括壳聚糖,羧甲基纤维素和角叉菜胶的其它多糖。 几丁质可以从去蛋白化甲壳类壳体获得而不脱矿质,因此与壳中存在的碳酸钙和其它天然存在的矿物质混合,并且可以是酶脱乙酰化的。 本发明的粉末可用作生物杀菌粉剂,配制成糊剂,凝胶剂,水凝胶,霜剂,泡沫剂和用于药物应用的泡沫喷雾剂,或溶解形成用于涂覆底物例如皮肤,织物,玻璃,皮革和纸张的溶液 以产生杀菌表面。 这种解决方案的特殊应用是作为洗涤过程中工作服的保护性洗后处理。 本发明的粉末可以通过将能够与银离子相互作用并且呈粉末形式的多糖在聚合物不溶的液体中制浆,该液体含有银离子,过滤掉粉末,洗涤 粉末,将与多糖相互作用的银离子还原成原子/金属银,并干燥粉末。 根据所选择的多糖,液体适宜为水或乙醇水溶液。 银离子可以来自硝酸银。 与多糖与原子/金属银相互作用的银离子的还原可以通过曝光进行光化学反应。 然而,为了加速还原,洗涤的粉末优选在碱性金属卤化物的溶液中浆化,在搅拌下用包含紫外线成分的天然或人造光照射,并再次过滤并洗涤,然后干燥。
    • 7. 发明申请
    • Device for joining panels
    • 用于连接面板的装置
    • US20060283117A1
    • 2006-12-21
    • US10573453
    • 2004-09-24
    • Kevin WilliamsAlan Taylor
    • Kevin WilliamsAlan Taylor
    • E04F15/22
    • E04F19/065E04F13/0889E04F19/062
    • A joining member for bridging a gap between a first and at least one second panel wherein the joining member comprises a flange member, one or more extension members extending from the flange member, and at least one retaining member connected to the extension member. The retaining member is moveable relative to the extension member between a first configuration and a second configuration, the retaining member in the second configuration being insertable in use through the gap between the first and at the least one second panel. When inserted through the gap, the retaining member is engageable with a rear surface, relative to the flange member, of each panel and the flange member substantially bridges the gap between the first and second panels.
    • 用于桥接第一和至少一个第二面板之间的间隙的接合构件,其中所述接合构件包括凸缘构件,从所述凸缘构件延伸的一个或多个延伸构件以及连接到所述延伸构件的至少一个保持构件。 保持构件能够在第一构造和第二构造之间相对于延伸构件移动,第二构造中的保持构件可通过第一和至少一个第二面板之间的间隙插入使用中。 当通过间隙插入时,保持构件可与每个面板的相对于凸缘构件的后表面接合,并且凸缘构件基本上桥接第一和第二面板之间的间隙。