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    • 2. 发明授权
    • Photothermographic element with reduced woodgrain interference patterns
    • 光热照相元件具有减少的木纹干扰图案
    • US06436616B1
    • 2002-08-20
    • US09550007
    • 2000-04-14
    • Thomas C. GeislerThomas J. KubDarlene F. StewartPaul C. SchubertJames C. VanousMark C. Skinner
    • Thomas C. GeislerThomas J. KubDarlene F. StewartPaul C. SchubertJames C. VanousMark C. Skinner
    • G03C1498
    • G03C1/498G03C5/164Y10S430/145Y10S430/151Y10S430/162
    • The present invention provides a spectrally sensitized photothermographic silver halide element comprising a support layer having on at least one surface thereof a photothermographic composition which displays uniform image density across its surface when exposed to floodlight or uniform incandescent light exposure at radiation wavelengths to which the element is sensitive, said element comprising at least two layers, including a top layer and a photothermographic emulsion layer, said photothermographic emulsion layer comprising a binder, a light insensitive silver source, a reducing agent for silver ion and infrared radiation sensitive silver halide grains, wherein the coherent radiation is rendered more diffuse in its passage through the element than when it strikes the top layer. This may be accomplished at least in part by 1) the top layer of the element having haze induced therein of 0.05 to 306 by surface modification of that layer, 2) there being a random refractive pattern on the top layer, 3) haze being induced in the silver halide containing layer, 4) the reflective characteristics of a surface of the support layer facing the photothermographic composition have been altered to reduce reflection of coherent radiation into said composition, and/or 5) having a radiation absorbing material contained within the photothermographic element to decrease light reflected off of the support.
    • 本发明提供一种光谱增感的光热成像卤化银元件,其包括在其至少一个表面上具有光热照相组合物的支持层,该光热敏成像组合物当暴露于泛光下时在其表面上显示均匀的图像密度,或者在该元件的辐射波长下均匀的白炽光曝光 所述元件包括至少两层,包括顶层和光热敏成像乳剂层,所述光热敏成像乳剂层包含粘合剂,不透光银源,银离子还原剂和红外辐射敏感卤化银颗粒,其中, 相干辐射在其通过元件的通道中比在其撞击顶层时更加扩散。 这可以至少部分地通过以下方式完成:1)通过该层的表面改性,其中诱导的雾度为0.05至306的元件的顶层,2)顶层上存在随机折射图案,3)引起雾度 在含卤化银的层中,4)已经改变了面向光热敏成像组合物的支撑层的表面的反射特性,以减少相干辐射对所述组合物的反射,和/或5)具有光热照相材料内的辐射吸收材料 元件以减少从支撑件反射的光。
    • 3. 发明授权
    • Stabilizer for electron doner-acceptor carbonless copying systems
    • 电子受体无碳复制系统的稳定剂
    • US4372582A
    • 1983-02-08
    • US248843
    • 1981-03-30
    • Thomas C. Geisler
    • Thomas C. Geisler
    • C09B67/00B41M5/132B41M5/14B41M5/16B41M5/22C09D11/00
    • B41M5/132Y10S428/913Y10S428/914Y10S516/01Y10T428/24793
    • A stabilizing agent for use in electron donor-acceptor carbonless copying systems. The stabilizing agent is 2,2'-methylene-bis(4-methyl-6-t-butyl phenol). Systems in which the stabilizing agent is useful comprise a color-forming composition comprising at least one leuco dye which is fadeable or discolorable after development, a color-developing composition comprising an acidic coreactant material capable of reacting with the color-forming composition to provide colored products, and the stabilizing agent. The stabilizing agent prevents discoloration or fade of images produced by reaction of the color-forming composition with the color-developing composition. In a preferred embodiment, the color-forming composition additionally comprises dithiooxamide and/or dithiooxamide derivatives, the color-developing composition additionally comprises a transition metal ion capable of reacting with the dithiooxamide compound to produce a purple-colored product, and the reaction of the color-forming composition with the color-developing composition results in a neutral black colored product.
    • 用于电子给体 - 受体无碳复制系统的稳定剂。 稳定剂为2,2'-亚甲基 - 双(4-甲基-6-叔丁基苯酚)。 其中稳定剂有用的系统包括一种成色组合物,其包含至少一种显影后可淡化或可变色的无色染料,显色组合物包含能与成色组合物反应的酸性共反应物,以提供着色 产品和稳定剂。 稳定剂防止由着色组合物与显色组合物的反应产生的图像变色或褪色。 在优选的实施方案中,成色组合物另外包含二硫代酰胺和/或二硫代酰胺衍生物,显色组合物还包含能够与二硫代酰胺化合物反应产生紫色产物的过渡金属离子, 具有显色组合物的成色组合物产生中性黑色产品。
    • 7. 发明授权
    • Photothermographic element with reduced woodgrain interference patterns
    • 光热照相元件具有减少的木纹干扰图案
    • US06599686B2
    • 2003-07-29
    • US10162961
    • 2002-06-05
    • Thomas C. GeislerThomas J. KubDarlene F. StewartPaul C. SchubertJames C. VanousMark C. Skinner
    • Thomas C. GeislerThomas J. KubDarlene F. StewartPaul C. SchubertJames C. VanousMark C. Skinner
    • G03C1498
    • G03C1/498G03C5/164Y10S430/145Y10S430/151Y10S430/162
    • The present invention provides a spectrally sensitized photothermographic silver halide element comprising a support layer having on at least one surface thereof a photothermographic composition which displays uniform image density across its surface when exposed to floodlight or uniform incandescent light exposure at radiation wavelengths to which the element is sensitive, said element comprising at least two layers, including a top layer and a photothermographic emulsion layer, said photothermographic emulsion layer comprising a binder, a light insensitive silver source, a reducing agent for silver ion and infrared radiation sensitive silver halide grains, wherein the coherent radiation is rendered more diffuse in its passage through the element than when it strikes the top layer. This may be accomplished at least in part by 1) the top layer of the element having haze induced therein of 0.05 to 30% by surface modification of that layer, 2) there being a random refractive pattern on the top layer, 3) haze being induced in the silver halide containing layer, 4) the reflective characteristics of a surface of the support layer facing the photothermographic composition have been altered to reduce reflection of coherent radiation into said composition, and/or 5) having a radiation absorbing material contained within the photothermographic element to decrease light reflected off of the support.
    • 本发明提供一种光谱增感的光热成像卤化银元件,其包括在其至少一个表面上具有光热照相组合物的支持层,该光热成像组合物当暴露于泛光下时在其表面上显示均匀的图像密度,或者在该元件的辐射波长下均匀的白炽光曝光 所述元件包括至少两层,包括顶层和光热敏成像乳剂层,所述光热敏成像乳剂层包含粘合剂,不透光银源,银离子还原剂和红外辐射敏感卤化银颗粒,其中, 相干辐射在其通过元件的通道中比在其撞击顶层时更加扩散。 这可以至少部分地通过以下方式完成:1)通过该层的表面改性,其中诱导的雾度为0.05至30%的元件的顶层,2)顶层上存在随机折射图案,3)雾度为 在含卤化银的层中诱发的反射特性,4)已经改变了面向光热敏成像组合物的支撑层的表面的反射特性,以减少相干辐射对所述组合物的反射,和/或5)具有包含在卤化银的层内的辐射吸收材料 光热成像元件来减少从支撑体反射的光。
    • 9. 发明授权
    • Photothermographic element with improved adherence between layers
    • 具有改善层间粘附性的光热敏成像元件
    • US5928857A
    • 1999-07-27
    • US769093
    • 1996-12-18
    • Thomas C. GeislerKimberly K. Marquardt
    • Thomas C. GeislerKimberly K. Marquardt
    • G03C1/498
    • G03C1/49863
    • A spectrally sensitized photothermographic silver halide element comprising a support layer having on at least one surface thereof a photothermographic composition, said composition comprising a polyvinyl acetal binder, a light insensitive silver source, a reducing agent for silver ion and infrared radiation sensitive silver halide grains, wherein said composition also comprises a polymeric component which is not a polyvinyl acetal, or a metal soap other than a silver soap of an organic acid (especially not the long chain fatty acid normally present in silver halide based photothermographic elements) which is dispersed in said composition in an amount of from 0.3 to 20% by weight of said polyvinyl acetal, which polymeric component has higher strength of adhesion to polyester film than does the polyvinyl acetal, and said polymeric may exist as a separate phase within said polyvinyl acetal.
    • 一种光谱增感的光热敏成像卤化银元件,其包括在其至少一个表面上具有光热成像组合物的支撑层,所述组合物包含聚乙烯醇缩醛粘合剂,不透光银源,银离子还原剂和红外辐射敏感卤化银颗粒, 其中所述组合物还包含不是聚乙烯醇缩醛的聚合物组分,或分散在所述组合物中的有机酸(通常不存在于卤化银基光热敏成分元素中的长链脂肪酸)的银皂以外的金属皂 组合物的量为所述聚乙烯醇缩醛的0.3至20重量%,该聚合物组分与聚乙烯醇缩醛具有较高的与聚酯薄膜的粘合强度,并且所述聚合物可以以所述聚乙烯醇缩醛的单独相存在。