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    • 8. 发明授权
    • High-contrast photographic elements with enhanced safelight performance
    • 高对比度摄影元素,增强了安全性能
    • US5372921A
    • 1994-12-13
    • US146558
    • 1993-11-02
    • Anthony D. GingelloRonald J. Schmidt
    • Anthony D. GingelloRonald J. Schmidt
    • G03C1/035G03C1/08G03C1/46G03C1/49
    • G03C1/46G03C1/035G03C1/08G03C1/49
    • A high-contrast room-light-handleable black-and-white silver halide photographic element that is especially useful in the field of graphic arts is comprised of a support, an imaging layer containing doped silver halide grains with a mean grain size of less than 0.12 micrometers, a print-out layer containing doped silver halide grains with a mean grain size in the range of from 0.14 to 0.4 micrometers, and a third set of doped silver halide grains with a mean grain size of less than 0.12 micrometers distributed within the print-out layer or within a separate safelight protection layer. Dopant levels are controlled so that the photographic speed of the imaging layer is higher than the photographic speed of the print-out layer and so that the photographic speed of the third set of silver halide grains is less than that of the imaging layer. The element utilizes very slow speed emulsions which render it capable of being handled in room light and is able to print-out a visible image on normal exposure and develop to full density upon being processed in conventional developing solutions.
    • 在图形领域中特别有用的高对比度室内光可处理的黑白卤化银照相元件由支撑体,含有平均晶粒尺寸小于等于的掺杂卤化银颗粒的成像层组成 0.12μm的平均晶粒尺寸为0.14至0.4微米的掺杂卤化银颗粒的印刷出层,以及平均粒径小于0.12微米的第三组掺杂的卤化银颗粒,其分布在 打印输出层或单独的安全保护层。 控制掺杂剂水平,使得成像层的照相速度高于打印输出层的照相速度,并且使得第三组卤化银颗粒的照相速度小于成像层的照相速度。 该元件使用非常慢速的乳液,使其能够在室内光下处理,并且能够在正常曝光下打印出可见图像,并且在常规显影溶液中进行处理时可发展成全密度。
    • 10. 发明授权
    • Drain clog remover
    • 排水堵塞去除剂
    • US08745771B2
    • 2014-06-10
    • US12629084
    • 2009-12-02
    • Julie L. BatesSteven A. ZachJohn C. TaylorRonald J. SchmidtMarc B. FroschJ. Gabriel Cleek
    • Julie L. BatesSteven A. ZachJohn C. TaylorRonald J. SchmidtMarc B. FroschJ. Gabriel Cleek
    • E03D9/00
    • E03C1/304
    • An apparatus for removing a clog from a drain pipe, the apparatus having: (a) a container comprising a product chamber; (b) a pressurization assembly in fluid communication with the inlet; (c) a shaft coupled to the container, the shaft comprising a proximal end and a distal end; and (d) projections extending outwardly from the shaft. The product chamber is adapted to receive a drain cleaning composition and the product chamber has an inlet and an outlet. The pressurization sub-assembly has a canister of pressurized fluid and an adapter coupled to the container and including a socket defining a receptacle configured to receive at least a portion of the canister. The shaft has an exterior surface sized for insertion into the drain pipe. The shaft also has a channel that provides fluid communication between the proximal end and the distal end.
    • 一种用于从排水管去除堵塞的装置,该装置具有:(a)容器,包括产品室; (b)与入口流体连通的加压组件; (c)联接到所述容器的轴,所述轴包括近端和远端; 和(d)从轴向外延伸的凸起。 产品室适于容纳排水清洁组合物,产品室具有入口和出口。 加压子组件具有加压流体罐和连接到容器的适配器,并且包括限定容纳构造成容纳罐的至少一部分的容器的插座。 轴具有尺寸适于插入排水管的外表面。 轴还具有在近端和远端之间提供流体连通的通道。