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1.发明授权High dye stability, high activity, low stain and low viscosity small particle yellow dispersion melt for color paper and other photographic systems 失效高染料稳定性，高活性，低污染和低粘度小颗粒黄色分散体，用于彩色纸等摄影系统
公开(公告)号：US5591568A
公开(公告)日：1997-01-07
申请号：US301745
申请日：1994-09-06
申请人： Pranab Bagchi , James L. Edwards , Danuta Gibson , Thomas A. Rosiek , Brian Thomas , Vincent J. Flow, III
发明人： Pranab Bagchi , James L. Edwards , Danuta Gibson , Thomas A. Rosiek , Brian Thomas , Vincent J. Flow, III
CPC分类号： G03C1/38 , G03C7/388 , G03C2200/20 , Y10S430/136 , Y10S516/03 , Y10S516/06
摘要： This invention provides composition and method to overcome the very high viscosity of prior small-particle dispersions when admixed with gelatin in aqueous solution for coating a photographic film element.The invention is generally accomplished by the utilization of a second surfactant in the melt formulated by the admixture of the small-particle dispersion and the gelatin solution. The surfactants of this invention, that is, utilized to control the rheology of such said melts, have the following general structure: ##STR1## wherein n=5 to 20 andx=1 to 4.
摘要翻译： 本发明提供了组合物和方法，以克服在用于涂布照相胶片元件的水溶液中与明胶混合时先前的小颗粒分散体的非常高的粘度。 本发明通常通过在通过小颗粒分散体和明胶溶液的混合物配制的熔体中利用第二表面活性剂来实现。 本发明的表面活性剂，即用于控制所述熔体的流变性，具有以下通用结构：图像（SI-1）<图像>
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2.发明授权High dye stability, high activity, low stain and low viscosity small particle yellow dispersion melt for color paper and other photographic systems 失效高染料稳定性，高活性，低污染和低粘度小颗粒黄色分散体，用于彩色纸等摄影系统
公开(公告)号：US5358831A
公开(公告)日：1994-10-25
申请号：US627154
申请日：1990-12-13
申请人： Pranab Bagchi , James L. Edwards , Danuta Gibson , Thomas A. Rosiek , Brian Thomas , Vincent J. Flow, III
发明人： Pranab Bagchi , James L. Edwards , Danuta Gibson , Thomas A. Rosiek , Brian Thomas , Vincent J. Flow, III
CPC分类号： G03C1/38 , G03C7/388 , G03C2200/20 , Y10S430/136 , Y10S516/03 , Y10S516/06
摘要： This invention provides composition and method to overcome the very high viscosity of prior small-particle dispersions when admixed with gelatin in aqueous solution for coating a photographic film element.The invention is generally accomplished by the utilization of a second surfactant in the melt formulated by the admixture of the small-particle dispersion and the gelatin solution. The surfactants of this invention, that is, utilized to control the theology of such said melts, have the following general structure: ##STR1## wherein n=5 to 20 andx=1 to 4.
摘要翻译： 本发明提供了组合物和方法，以克服在用于涂布照相胶片元件的水溶液中与明胶混合时先前的小颗粒分散体的非常高的粘度。 本发明通常通过在通过小颗粒分散体和明胶溶液的混合物配制的熔体中利用第二表面活性剂来实现。 本发明的表面活性剂，即用于控制所述熔体的神学具有以下通用结构：图像（SI-1）<图像>
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3.发明授权Oxygen barrier coated photographic agent milled dispersion particles for enhanced dye-stability 失效用于增强染料稳定性的氧隔离涂层照相剂研磨分散体颗粒
公开(公告)号：US5565309A
公开(公告)日：1996-10-15
申请号：US292646
申请日：1994-08-18
摘要： The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable. The dispersions of this invention are prepared by mechanical milling or homogenization procedures.
摘要翻译： 本发明通过用一层适用的氧阻隔聚合物如聚乙烯醇（PVA）包围每个颗粒，在单个成色剂或其它照相活性颗粒周围产生选择性氧气屏障，聚乙烯醇（PVA）也将作为颗粒聚结的空间屏障。 用这种材料形成的摄影产品更稳定染料。 本发明的分散体通过机械研磨或均化程序制备。
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公开(公告)号：US5385812A
公开(公告)日：1995-01-31
申请号：US996949
申请日：1992-12-28
CPC分类号： G03C1/005 , G03C7/388 , G03C2001/7481 , G03C2200/11 , G03C2200/20 , Y10S430/136
摘要： The invention discloses a continuous method of manufacture of gelled dispersion melts of "small-particle" microprecipitated photographic agents. The continuous melt manufacturing process of this invention provides dispersion melts that are invariant in agent concentration, melt viscosity, and turbidity as a function of the run time and are also very reproducible and robust in repetitive preparations. Many photographic melts of this invention exhibit high photographic activity and light stability of the agents when exposed to light.
摘要翻译： 本发明公开了一种制造“小粒子”微沉淀照相剂凝胶分散体熔体的连续方法。 本发明的连续熔融制造方法提供了作为运行时间的函数的试剂浓度，熔体粘度和浊度不变的分散体熔体，并且在重复制备中也是非常可重现的和稳定的。 本发明的许多照相熔融物在暴露于光下时表现出高的摄影活性和光稳定性。
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公开(公告)号：US5468604A
公开(公告)日：1995-11-21
申请号：US978104
申请日：1992-11-18
申请人： Paul L. Zengerle , David D. Miller , Thomas H. Whitesides , John B. Rieger , Vincent J. Flow, III , Walter H. Isaac
发明人： Paul L. Zengerle , David D. Miller , Thomas H. Whitesides , John B. Rieger , Vincent J. Flow, III , Walter H. Isaac
摘要： A stabilized photographic dispersion is prepared by adding a hydrophobic, photographically inert compound which has a logP.sub.(calc) greater than about 9 and does not solidify or gel the dispersed phase to a photographic dispersion comprising an aqueous medium and a dispersed liquid organic phase comprising a photographically useful compound which is (i) soluble in organic solvents, (ii) substantially insoluble in water, and (iii) subject to particle growth of at least 10% of its initial particle size when maintained in said dispersion in the absence of the added photographically inert compound.
摘要翻译： 通过加入具有logP（calc）大于约9的疏水性，照相惰性化合物制备稳定的照相分散体，并且不将分散相固化或凝胶化到包含水性介质和包含含水介质的分散液体有机相的照相分散体 摄影有用的化合物，其为（i）可溶于有机溶剂，（ii）基本上不溶于水，和（iii）当在不存在添加的情况下保持在所述分散体中时，其至少10％的初始粒度的颗粒生长 摄影惰性化合物。
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