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21. 发明授权

US07067243B2 Method for preparation of a photothermographic material with increased photosensitivity 失效
标题翻译：具有增加光敏性的光热敏成像材料的制备方法
公开(公告)号：US07067243B2
公开(公告)日：2006-06-27
申请号：US10384321
申请日：2003-03-07
申请人： Herman Uytterhoeven , Paul Callant
发明人： Herman Uytterhoeven , Paul Callant
IPC分类号： G03C1/498 , G03C1/10
CPC分类号： G03C1/49854 , G03C1/09 , G03C1/102 , G03C1/22 , G03C1/49845 , Y10S430/136 , Y10S430/165
摘要： A process for preparing a photothermographic material with increased photosensitivity, the photothermographic material comprising a support and a photo-addressable thermally developable element, exclusive of a compound R—S(M)n wherein R is an aliphatic hydrocarbon, aryl or heterocyclic group, M is a hydrogen atom, or cation, and letter n is a number determined so as to render the molecule neutral and also exclusive of a compound capable of releasing a mobile dye corresponding to or inversely corresponding to the reduction of silver halide to silver at elevated temperatures, the photo-addressable thermally developable element containing a photosensitive agent in catalytic association with a light-insensitive organic silver salt, a reducing agent for the light-insensitive organic silver salt in thermal working relationship therewith and a binder, comprising the steps of: (i) increasing the photosensitivity of a photosensitive silver halide by chemical sensitisation with a chemical sensitising merocyanine dye containing a thione group in a non-oxidative aqueous medium, optionally in the presence of the light-insensitive organic silver salt, thereby producing the photosensitive agent; (ii) coating the support with one or more aqueous solutions or dispersions together containing the light-insensitive organic silver salt, the photosensitive agent, the reducing agent and the binder; (iii) drying the coating or coatings thereby producing the photo-addressable thermally developable element.
摘要翻译：一种制备具有增加的光敏性的光热敏成像材料的方法，所述光热成像材料包含载体和光寻址热可显影元件，不包括化合物RS（M）N，其中R是脂族烃，芳基或杂环基，M为氢原子或阳离子，并且字母n为确定分子中性的数量，也不包含能够释放对应于卤化银还原反应的可移动染料的化合物在高温下为银，光寻址热可显影元件含有与光不敏感有机银盐催化缔合的光敏剂，与其热处理关系的光不敏感有机银盐的还原剂和粘合剂，其包含步骤：（i）通过化学敏化增加光敏卤化银的光敏性任选在光不敏感的有机银盐存在下，在非氧化性水性介质中含有硫酮基的敏感性部花青染料，从而制备感光剂; （ii）用一种或多种含有光不敏感有机银盐，感光剂，还原剂和粘合剂的水溶液或分散体涂覆载体; （iii）干燥涂层或涂层，从而产生可光寻址的可热显影元件。

22. 发明授权

US06576413B2 Photothermographic recording material with increased photosensitivity 失效
公开(公告)号：US06576413B2
公开(公告)日：2003-06-10
申请号：US09935515
申请日：2001-08-23
申请人： Herman Uytterhoeven , Johan Loccufier , Yvan Gilliams
发明人： Herman Uytterhoeven , Johan Loccufier , Yvan Gilliams
IPC分类号： G03C1498
CPC分类号： G03C1/49845 , G03C1/08 , Y10S430/165
摘要： An aqueous dispersion comprising a binder or a surfactant, a substantially light-insensitive and substantially water-insoluble organic silver salt and a photosensitive silver halide, wherein the aqueous emulsion further comprises a sensitization agent selected from the group consisting of: tin(II) bromide, aminoiminomethane sulfinic acid, water-soluble salts of H3PO3, water-soluble salts of H3PO2, water-soluble SO32− salts and water-soluble HSO3− salts; and production process for therefor and a photothermographic recording material comprising a support and a photo-addressable thermally developable element, the photo-addressable thermally developable element fulfilling two requirements: (i) the photo-addressable thermally developable element contains a substantially light-insensitive and substantially water-insoluble organic silver salt, a reducing agent for the substantially light-insensitive and substantially water-insoluble organic silver salt and in thermal working relationship therewith, a photosensitive silver halide and a binder; and (ii) the photo-addressable thermally developable element comprises a layer obtainable by coating the above-mentioned aqueous dispersion onto the support.

23. 发明授权

US06558895B2 Photothermographic recording materials with improved stability 失效
公开(公告)号：US06558895B2
公开(公告)日：2003-05-06
申请号：US09939941
申请日：2001-08-27
申请人： Herman Uytterhoeven , Luc Vissers
发明人： Herman Uytterhoeven , Luc Vissers
IPC分类号： G03C1498
CPC分类号： G03C1/498 , G03C1/74 , Y10S430/136 , Y10S430/165
摘要： A process for preparing monosheet black and white photothermographic recording material, the photothermographic recording material being exclusive of a dye-providing compound and comprising a support and a photo-addressable thermally developable element, the photo-addressable thermally developable element being thermally developable under substantially water-free conditions and consisting of one or more layers, the layers together comprising photosensitive silver halide, a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, comprising the steps of: (i) coating at least one of the one or more layers of the photo-addressable thermally developable from an aqueous medium; (ii) drying the layer or layers coated in step (i); and (iii) heating the photothermographic recording material at a temperature of at least 35° C. in the dark for a period of at least 3 days; and a photothermographic recording material obtainable therewith.

24. 发明授权

US06306571B1 Photothermographic recording material coatable from an aqueous medium 失效
标题翻译：光热记录材料可从水介质中涂布
公开(公告)号：US06306571B1
公开(公告)日：2001-10-23
申请号：US08999409
申请日：1997-12-29
申请人： Hubert Vandenabeele , Herman Uytterhoeven
发明人： Hubert Vandenabeele , Herman Uytterhoeven
IPC分类号： G03C1498
CPC分类号： G03C1/4989 , C07C51/412 , G03C1/49809 , G03C2200/43 , C07C53/126 , C07C65/10
摘要： A process for producing an aqueous dispersion I containing particles including a substantially light-insensitive organic heavy metal salt A with a solubility in 100 mL of water of less than 10−3 g at 20° C. comprising the steps of: (i) producing an aqueous dispersion II containing particles containing a salt B with a solubility in 100 mL of water between 1.5 g and 0.001 g at 20° C.; and (ii) converting the salt B in the particles of the aqueous dispersion II into the organic heavy metal salt A, wherein the organic heavy metal salt A and the salt B have a common cation; and a production process for thermographic and photothermographic materials therewith.
摘要翻译：一种含有在20℃下含有小于10-3g的水中溶解度为基本上不含光的有机重金属盐A的颗粒的水分散体I的方法，包括以下步骤：（i）含有分散体II的水分散体II，其含有在20℃下在100mL水中的溶解度在1.5g和0.001g之间的盐B; 和（ii）将水分散体II的颗粒中的盐B转化为有机重金属盐A，其中有机重金属盐A和盐B具有共同的阳离子; 以及用于热成像和光热成像材料的生产方法。

25. 发明授权

US5582953A Direct thermal recording process 失效
标题翻译：直接热敏记录过程
公开(公告)号：US5582953A
公开(公告)日：1996-12-10
申请号：US450631
申请日：1995-05-25
申请人： Carlo Uyttendaele , Herman Uytterhoeven , Bartholomeus Horsten
发明人： Carlo Uyttendaele , Herman Uytterhoeven , Bartholomeus Horsten
IPC分类号： B41M5/32 , B41M5/323 , G03C1/498 , G03C8/110
CPC分类号： G03C1/4989 , G03C1/49872 , Y10S430/162 , Y10S430/166
摘要： A direct thermal recording process wherein a direct thermal recording material is heated dot-wise and said direct thermal recording material comprises on a substrate an imaging layer containing uniformly distributed in a film-forming polymeric binder (i) one or more substantially light-insensitive organic silver salts being no double salts, said silver salt(s) being in thermal working relationship with (ii) an organic reducing agent therefor, characterized in that said reducing agent is a benzene compound the benzene nucleus of which is substituted by no more than two hydroxy groups which are present in 3,4-position on said nucleus and have in the 1-position of said nucleus a substituent linked to said nucleus by means of a carbonyl group.
摘要翻译：一种直接热敏记录方法，其中直接热敏记录材料是逐点加热的，并且所述直接热敏记录材料在基底上包含均匀分布在成膜聚合物粘合剂中的成像层（i）一种或多种基本上不透光的有机物银盐不是双重盐，所述银盐与（ii）有机还原剂处于热作用关系中，其特征在于所述还原剂是苯化合物，其苯核被不超过两个在所述核上存在于3,4位且在所述核的1位具有通过羰基与所述核连接的取代基的羟基。

26. 发明授权

US5558972A Thermal transfer printing of a reducing agent to a silver source contained in an image receiving layer 失效
标题翻译：将还原剂热转印到包含在图像接收层中的银源上
公开(公告)号：US5558972A
公开(公告)日：1996-09-24
申请号：US450632
申请日：1995-05-25
申请人： Marc Van Damme , Herman Uytterhoeven , Geert Defieuw
发明人： Marc Van Damme , Herman Uytterhoeven , Geert Defieuw
IPC分类号： B41M5/26 , G03C1/498 , G03C8/00
CPC分类号： G03C1/4989
摘要： The present invention discloses a thermal imaging process using (i) a donor element comprising on a support a donor layer containing a binder and a thermotransferable reducing agent capable of reducing a silver source to metallic silver upon heating and (ii) a receiving element comprising on a support in the order given a receiving layer and a curable layer, said receiving layer comprising a silver source capable of being reduced by means of heat in the presence of a reducing agent for said silver source and a binder, said thermal imaging process comprising the steps ofbringing said donor layer of said donor element into face to face relationship with said receiving layer of said receiving element,image-wise heating a thus obtained assemblage, thereby causing image-wise transfer of an amount of said thermotransferable reducing agent to said receiving element in accordance with the amount of heat supplied,separating said donor element from said receiving element,curing said release layer andoverall heating said receiving element.
摘要翻译：本发明公开了一种热成像方法，其使用（i）供体元件，其在载体上包含含有粘合剂的施主层和能够在加热时将银源还原成金属银的可热转移还原剂，和（ii）包含在所述接收层包含银源，所述银源能够在所述银源的还原剂和粘合剂的存在下通过加热而被还原，所述热成像方法包括：使所述供体元件的所述施主层与所述接收元件的所述接收层成对面关系的步骤，以图像方式加热由此获得的组合，从而使所述热转移还原剂的量成像到所述接收元件，根据所供应的热量，将所述供体元件与所述接收元件分离，固化所述释放层和整体加热所述接收元件。

27. 发明授权

US5547809A Thermal transfer imaging system based on the heat transfer of a reducing agent for reducing a silver source to metallic silver 失效
标题翻译：基于用于将银源还原成金属银的还原剂的热传递的热转印成像系统
公开(公告)号：US5547809A
公开(公告)日：1996-08-20
申请号：US426817
申请日：1995-04-21
申请人： Geert Defieuw , Wilhelmus Janssens , Luc Vanmaele , Jean-Marie Dewanckele , Herman Uytterhoeven
发明人： Geert Defieuw , Wilhelmus Janssens , Luc Vanmaele , Jean-Marie Dewanckele , Herman Uytterhoeven
IPC分类号： B41M5/32 , G03C1/498 , G03C8/08 , G03C8/24
CPC分类号： G03C1/4989
摘要： The present invention provides a printing process using a donor element and a receiving element. The donor element comprises on a support a donor layer comprising a binder and a thermotransferable strong reducing agent capable of reducing a silver source to metallic silver upon heating.The donor element is image-wise heated while being in contact with an image receiving material comprising a thermoreducible silver source and a weak reducing agent, only being capable of reducing a silver source to metallic silver in the presence of metallic silver formed by said strong reducing agent. Image density is increased and stability of the reductor donor element can be improved.
摘要翻译：本发明提供使用施主元件和接收元件的印刷方法。供体元件在载体上包含供体层，其包含粘合剂和可热转移的强还原剂，其能够在加热时将银源还原成金属银。供体元件在与包含可热还原银源和弱还原剂的图像接收材料接触的同时进行成像加热，仅在由所述强还原形成的金属银存在下才能将银源还原成金属银代理商图像密度增加，并且可以提高减电体施主元件的稳定性。

28. 发明授权

US5310719A Dye acceptor element for thermosublimation printing 失效
标题翻译：用于热敏印刷的染料受体元件
公开(公告)号：US5310719A
公开(公告)日：1994-05-10
申请号：US849948
申请日：1992-03-12
申请人： Rolf Wehrmann , Geert Defieuw , Emil Verdonck , Herman Uytterhoeven , Rolf Dheim , Walter Schafer
发明人： Rolf Wehrmann , Geert Defieuw , Emil Verdonck , Herman Uytterhoeven , Rolf Dheim , Walter Schafer
IPC分类号： B41M5/382 , B41M5/50 , B41M5/52 , C09K11/06 , B41M5/035 , B41M5/38
CPC分类号： B41M5/5281 , Y10S428/913 , Y10S428/914 , Y10T428/31551
摘要： Dye transfers of high color density, excellent sharpness and good stability are obtained in thermosublimation printing using a dye acceptor layer consisting essentially of a polyurethane formed by crosslinking and characterized in that the polyurethane contains at least 5% by weight urethane groups (--O--CO--NH--).
摘要翻译：在使用基本上由通过交联形成的聚氨酯组成的染料受体层的热熔印刷中获得高色密度，优异的清晰度和良好的稳定性的染料转移，其特征在于，聚氨酯含有至少5重量％的氨基甲酸酯基（-O-CO -NH-）。

29. 发明授权

US06794123B2 Aqueous dispersion comprising photosensitive silver halide and a substantially light-insensitive silver salt of an organic carboxylic acid 失效
标题翻译：包含感光卤化银和基本上不含光敏性的有机羧酸银盐的水分散体
公开(公告)号：US06794123B2
公开(公告)日：2004-09-21
申请号：US09934806
申请日：2001-08-22
申请人： Herman Uytterhoeven , Luc Vissers
发明人： Herman Uytterhoeven , Luc Vissers
IPC分类号： G03C1498
CPC分类号： G03C1/49809 , G03C1/49818
摘要： A preparation process for a first aqueous dispersion comprising an ex-situ photosensitive silver halide and a substantially light-insensitive silver salt of an organic carboxylic acid, comprising the steps of: separately preparing a second aqueous dispersion comprising the ex-situ photosensitive silver halide and a third aqueous dispersion comprising the substantially light-insensitive silver salt of an organic carboxylic acid; and mixing the second aqueous dispersion with the third aqueous dispersion to produce a mixture thereof, characterized in that the first aqueous dispersion thereby produced is substantially free of a water-soluble metal or ammonium salt of an aliphatic carboxylic acid with greater than 12 carbon atoms and the process further comprises a step selected from the group consisting of: increasing the pH of the second aqueous dispersion to a value of at least 8.0 prior to mixing with the third aqueous dispersion; increasing the pH of the third aqueous dispersion to a value of at least 8.0 prior to mixing with the second aqueous dispersion; and increasing the pH of the mixture to a value of at least 8.0; the first aqueous dispersion obtainable therewith; and the use thereof in preparing a photo-addressable thermally developable element of a photothermographic material. A preparation process for a fourth aqueous dispersion is also provided.
摘要翻译：一种包含非原位感光卤化银和基本上不敏感的有机羧酸银盐的第一水性分散体的制备方法，包括以下步骤：分别制备包含非原位感光卤化银和第三含水分散体，其包含基本上不受光敏的有机羧酸银盐; 并且将第二水性分散体与第三水分散体混合以产生其混合物，其特征在于由此制备的第一水性分散体基本上不含具有大于12个碳原子的脂族羧酸的水溶性金属或铵盐，该方法还包括选自以下的步骤：在与第三水分散体混合之前将第二水性分散体的pH增加至至少8.0的值; 在与第二水性分散体混合之前将第三水分散体的pH增加至至少8.0; 并将混合物的pH提高至至少8.0的值; 可得到的第一种水性分散体; 以及其在制备光热敏成像材料的光寻址热可显影元件中的用途。还提供了第四种水性分散体的制备方法。

30. 发明授权

US06607872B1 Photothermographic recording material 失效
标题翻译：光热记录材料
公开(公告)号：US06607872B1
公开(公告)日：2003-08-19
申请号：US09202256
申请日：1999-06-14
申请人： Herman Uytterhoeven , Yvan Gilliams , Johan Loccufier , Sabine Emmers , Ronny De Clercq
发明人： Herman Uytterhoeven , Yvan Gilliams , Johan Loccufier , Sabine Emmers , Ronny De Clercq
IPC分类号： G03C1498
CPC分类号： G03C1/49818 , G03C2001/03594 , G03C2200/38
摘要： A photothermographic recording material comprising a photo-addressable thermally developable element coatable from aqueous media comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with the substantially light-insensitive organic silver salt and a reducing agent in thermal working relationship with the substantially light-insensitive organic silver salt and a binder, characterized in that the binder comprises a water-soluble polymer, a water-dispersible polymer or a mixture of a water-soluble polymer and a water-dispersible polymer and particles of the photosensitive silver halide are non-aggregating in the photo-addressable thermally developable element and are uniformly distributed over and between particles of the substantially light-insensitive organic silver salt, at least 80% by number of the particles having a diameter, determined by transmission electron microscopy, of ≦40 nm; and a recording process therefor.
摘要翻译：一种光热记录材料，其包含可光寻址的可热显影元件，其由含有基本上不光敏的有机银盐的水性介质涂覆，光敏卤化银与基本上不受光敏感的有机银盐催化缔合，和与热处理关系的还原剂基本上不光敏的有机银盐和粘合剂，其特征在于粘合剂包括水溶性聚合物，水分散性聚合物或水溶性聚合物和水分散性聚合物的混合物以及感光性银颗粒卤化物在光寻址热可显影元件中是非聚集的，并且均匀地分布在基本上不受光的有机银盐的颗粒之间和之间，至少80％的具有通过透射电子显微镜测定的直径的颗粒，的<= 40nm; 及其记录过程。

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