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公开(公告)号：US5609998A
公开(公告)日：1997-03-11
申请号：US417876
申请日：1995-04-06
申请人： John Texter , Ravi Sharma , David A. Czekai
发明人： John Texter , Ravi Sharma , David A. Czekai
摘要： A process for dispersing a particulate solid substance in a continuos aqueous phase comprising the steps of:providing a comminution reactor;providing a particulate solid substance comprising a weak acid functional group, having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ;providing an aqueous solution consisting essentially of water or a mixture of water with water-miscible solvent, at pH less than the greater of 7 and pK.sub.a1 +2;providing a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pK.sub.a2 and wherepK.sub.a1 -2.ltoreq.pK.sub.a2 ;providing milling media;combining said particulate solid substance, said aqueous solution, said buffering salt, and said milling media in said comminution reactor to produce a multiphase mixture; andmilling said mixture to produce a reduced particle size slurry of said particulate solid substance is disclosed.
摘要翻译： 一种将颗粒状固体物质分散在连续水相中的方法，包括以下步骤：提供粉碎反应器; 提供包含弱酸官能团的颗粒固体物质，其在pH = pKa1时具有有效的pKa1> 1且小于1重量％的水溶解度; 提供基本上由水或水与水混溶性溶剂的混合物组成的水溶液，pH小于7和pKa1 + 2以上的pH; 提供弱酸的缓冲盐，其中与该缓冲盐相关的弱酸具有pKa2，并且其中pKa1-2是pKa2;提供研磨介质; 将所述颗粒状固体物质，所述水溶液，所述缓冲盐和所述研磨介质在所述粉碎反应器中混合以产生多相混合物; 并研磨所述混合物以产生所述颗粒状固体物质的还原粒度浆料。
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公开(公告)号：US5605785A
公开(公告)日：1997-02-25
申请号：US412252
申请日：1995-03-28
申请人： John Texter , David A. Czekai
发明人： John Texter , David A. Czekai
CPC分类号： G03C7/388 , G03C1/005 , Y10S430/156
摘要： A process for forming a nanocrystalline dispersion of a photographically useful compound in a continuous phase comprising the steps of:providing a nanoamorphous dispersion of said photographically useful compound in said continuous phase, andannealing said nanoamorphous dispersion to transform the physical state of said chemical compound therein to a crystalline physical state and to thereby obtain a nanocrystalline dispersion is disclosed.
摘要翻译： 一种在连续相中形成摄影有用化合物的纳米晶体分散体的方法，包括以下步骤：在所述连续相中提供所述照相用化合物的纳米无定形分散体，并退火所述纳米无定形分散体以将其中所述化合物的物理状态转化 公开了结晶物理状态，从而获得纳米晶体分散体。
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公开(公告)号：US5994041A
公开(公告)日：1999-11-30
申请号：US19970
申请日：1998-02-06
申请人： John Texter , Ravi Sharma , David Alan Czekai
发明人： John Texter , Ravi Sharma , David Alan Czekai
CPC分类号： G03C7/388 , G03C1/005 , Y10S977/776
摘要： An aqueous-based slurry comprising:a particulate solid substance comprising a weak acid functional group having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ;an aqueous continuous phase at pH
摘要翻译： 一种水性浆料，其包含：包含在pH = pKa1下具有有效pKa1> 1且小于1重量％水溶解度的弱酸官能团的颗粒状固体物质; pH
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公开(公告)号：US5837437A
公开(公告)日：1998-11-17
申请号：US614428
申请日：1996-03-12
申请人： Ravi Sharma , John Texter
发明人： Ravi Sharma , John Texter
CPC分类号： G03C1/7614 , G03C1/42 , Y10S430/16 , Y10S430/162
摘要： An aqueous developable chromogenic photographic element coated on a single dimensionally stable support wherein said element comprises in reactive association (1) an aqueous diffusible photographically useful organic compound or precursor to an aqueous diffusible photographically useful organic compound, (2) radiation sensitive silver halide, (3) a compound that forms or releases a dye, (4) hydrophilic binder, and (5) one or more contiguous overcoat layers devoid of silver halide wherein said one or more overcoat layers comprise hydrophilic binder at a level of at least 3 g/m.sup.2 is disclosed.
摘要翻译： 涂覆在单维稳定载体上的水性可显影的显色照相元件，其中所述元件包括反应性缔合（1）水溶性可扩散照相有用的有机化合物或水溶性可扩散照相有用的有机化合物的前体，（2）辐射敏感卤化银（ 3）形成或释放染料的化合物，（4）亲水性粘合剂，和（5）一种或多种不含卤化银的连续外涂层，其中所述一种或多种外涂层包含至少3g / m2。
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公开(公告)号：US5750321A
公开(公告)日：1998-05-12
申请号：US786069
申请日：1997-01-21
申请人： John Texter , Ravi Sharma , David Alan Czekai
发明人： John Texter , Ravi Sharma , David Alan Czekai
摘要： A process for buffering concentrated aqueous slurries comprising the steps of: providing a particulate solid substance comprising a weak acid functional group, having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ; providing an aqueous solution consisting essentially of water or a mixture of water with water-miscible solvent, at pH less than the greater of 7 and pK.sub.a1 +2; providing a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pK.sub.a2 and where pK.sub.a1 -2.ltoreq.pK.sub.a2 ; and combining said aqueous solution, said particulate solid substance, and said buffering salt to form a slurry; wherein said process is essentially devoid of any step comprising the addition of any weak acid, other than that arising from reaction between said buffering salt and said particulate solid substance, having greater than 2% by weight aqueous solubility at pH=pK.sub.a1 is disclosed. An aqueous-based slurry comprising: a particulate solid substance comprising a weak acid functional group having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ; an aqueous continuous phase at pH
摘要翻译： 一种用于缓冲浓缩水性浆料的方法，包括以下步骤：提供包含弱酸官能团的颗粒状固体物质，其在pH = pKa1时具有有效的pKa1> 1且小于1重量％的水溶解度; 提供基本上由水或水与水混溶性溶剂的混合物组成的水溶液，pH小于7和pKa1 + 2以上的pH; 提供弱酸的缓冲盐，其中与该缓冲盐相关的弱酸具有pKa2，其中pKa1-2是pKa2; 并将所述水溶液，所述颗粒固体物质和所述缓冲盐混合以形成浆料; 其中所述方法基本上没有任何步骤，除了在pH = pKa1下具有大于2重量％水溶解度的所述缓冲盐和所述颗粒状固体物质之间的反应以外的任何弱酸的添加。 一种水性浆料，其包含：包含在pH = pKa1下具有有效pKa1> 1且小于1重量％水溶解度的弱酸官能团的颗粒状固体物质; pH
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6.发明授权Nanoporous and microporous solvogels and nanolatexes by microemulsion polymerization 失效纳米孔和微孔溶胶凝胶和纳升酯通过微乳液聚合公开(公告)号：US07759401B2
公开(公告)日：2010-07-20
申请号：US11689866
申请日：2007-03-22
申请人： Feng Yan , John Texter
发明人： Feng Yan , John Texter
摘要： The present invention relates to microemulsions of immiscible fluids stabilized by reactive ionic liquid surfactant wherein the ionic liquid surfactant has a melting point less than 80° C. The invention also relates to composite materials comprising a copolymer of ethylenically reactive species, wherein one of the species is a reactive ionic liquid surfactant having a melting point less than 80° C., and wherein the material also comprises non-reactive Class I fluid. The invention further relates to methods for synthesizing the composite materials comprising preparing a microemulsion of immiscible Class I fluid and Class II fluid stabilized by reactive ionic liquid surfactant wherein the ionic liquid surfactant has a melting point less than 80° C., and polymerizing the microemulsion to form a composite material.
摘要翻译： 本发明涉及由反应性离子液体表面活性剂稳定的不混溶流体的微乳液，其中离子液体表面活性剂的熔点低于80℃。本发明还涉及包含烯属反应性物质的共聚物的复合材料，其中物种之一 是具有低于80℃的熔点的反应性离子液体表面活性剂，并且其中所述材料还包含非反应性I类流体。 本发明还涉及用于合成复合材料的方法，包括制备不混溶的I类流体的微乳液和通过反应性离子液体表面活性剂稳定的II类流体，其中离子液体表面活性剂具有低于80℃的熔点，并使微乳液聚合 以形成复合材料。
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7.发明授权Hydrogen bond donating/accepting thermal solvents for image separation systems 失效供氢/接受用于图像分离系统的热溶剂的氢键
公开(公告)号：US5843618A
公开(公告)日：1998-12-01
申请号：US73821
申请日：1993-06-08
IPC分类号： G03C8/40
CPC分类号： G03C8/402 , Y10S430/156
摘要： An aqueous-developable chromogenic photographic heat-transferable non-aqueous dye-diffusion-transfer photographic element is disclosed, wherein said element comprises radiation sensitive silver halide, a dye-providing compound that forms or releases a heat-transferable image dye upon reaction of said compound with the oxidation product of a primary amine developing agent, a hydrophilic binder, and a thermal solvent for facilitating non-aqueous diffusion transfer according to formula (I) ##STR1## wherein AH is a hydrogen bond donating group with an aqueous pK.sub.a value for proton loss of greater than 6; L.sup.1 and L.sup.2 are each independently divalent linking groups consisting of groups of 1 to 12 atoms or are independently absent; m is 1, 2, or 3; Q comprises a group of 2 to 15 carbon atoms selected from the group consisting of aromatic rings, alkyl chains, alkyl rings, or ring-chain combinations, optionally substituted with substituents, Z, consisting of alkyl groups or halogens; B is a hydrogen bond accepting group with an aqueous pK.sub.a value for proton gain of less than 6; n is 1 or 2; the groups AH and B cannot hydrogen bond to form a ring of either 5 or 6 atoms; R is an alkyl, aryl and alkylaryl group of from 1 to 18 carbon atoms; the calculated log of the octanol/water partition coefficient (clogP) is greater than 3 and less than 10.
摘要翻译： 公开了含水可显影的显色照相可热转印非水性染料扩散转印照相材料，其中所述元件包括辐射敏感卤化银，一种提供染料的化合物，其在所述颜料反应反应时形成或释放可热转移的图像染料 与伯胺展开剂，亲水性粘合剂和热溶剂的氧化产物的化合物，用于促进根据式（I）的非水扩散转移。其中AH是具有水性的氢键供体基团 质子损失的pKa值大于6; L1和L2各自独立地为由1至12个原子的基团组成的二价连接基团或独立地不存在; m为1,2或3; Q包括选自芳基环，烷基链，烷基环或环 - 链组合的2至15个碳原子的基团，任选被取代基Z取代，Z由烷基或卤素组成; B是具有小于6的质子增益的pKa值的氢键接受基团; n为1或2; 基团AH和B不能氢键形成5或6个原子的环; R是1至18个碳原子的烷基，芳基和烷基芳基; 辛醇/水分配系数（clogP）的计算对数大于3且小于10。
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公开(公告)号：US5434036A
公开(公告)日：1995-07-18
申请号：US247180
申请日：1994-05-20
申请人： John Texter
发明人： John Texter
CPC分类号： G03C7/388 , Y10S430/136
摘要： Process for forming a microcrystalline coupler dispersion comprising the steps of: providing crystalline coupler in an aqueous suspension; dispersing said coupler with mechanical shear, combining said coupler dispersion with an activating water-immiscible organic solvent; and mixing said combined dispersion is disclosed.
摘要翻译： 用于形成微晶成色剂分散体的方法，包括以下步骤：在水性悬浮液中提供结晶成色剂; 用机械剪切分散所述成色剂，将所述成色剂分散体与活化的与水不混溶的有机溶剂组合; 并且公开了混合所述组合的分散体。
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公开(公告)号：US5370967A
公开(公告)日：1994-12-06
申请号：US952447
申请日：1992-09-28
申请人： John Texter , Wayne A. Bowman , Glenn T. Pearce
发明人： John Texter , Wayne A. Bowman , Glenn T. Pearce
CPC分类号： G03C8/44 , G03C8/52 , Y10S430/14
摘要： A photographic element for processing in moderate to large volume photofinishing baths and comprising one and only one dimensionally stable coating support, and coated thereon in reactive association an imaging layer containing radiation sensitive silver halide, a diffusible-dye forming layer containing a diffusible-dye forming compound, and a barrier layer overlaying said diffusible-dye forming layer is disclosed. This coating support is selected from reflection base and transparent base materials, and this diffusible-dye forming layer may be the same or different than this imaging layer. This barrier layer contains a polymer that allows the passage of solutions for processing when this element is contacted with an external processing bath, and impedes the diffusion out of this element of the diffusible dye formed from this diffusible-dye forming compound.
摘要翻译： 一种用于在中等大容积照相洗印槽中处理并包含一个且仅一维尺寸的涂层载体的照相元件，并且在其上以反应性缔合的方式涂覆含有辐射敏感卤化银的成像层，含有可扩散染料形成层的漫射染料形成层 公开了覆盖所述扩散性染料形成层的阻挡层。 该涂料载体选自反射基材和透明基材，并且该漫射染料形成层可以与该成像层相同或不同。 该阻挡层含有聚合物，当该元素与外部加工槽接触时，允许通过溶液进行处理，并阻止从该可扩散染料形成化合物形成的可扩散染料的该元素的扩散。
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公开(公告)号：US5302498A
公开(公告)日：1994-04-12
申请号：US952937
申请日：1992-09-29
申请人： David T. Southby , John Texter , Timothy Glover
发明人： David T. Southby , John Texter , Timothy Glover
CPC分类号： G03C1/42 , G03C7/30511 , G03C7/407 , Y10S430/144 , Y10S430/16
摘要： A photographic element including a support bearing at least one photographic silver halide emulsion layer and bearing on the opposite side of the support a layer containing at least one blocked developing agent or precursor thereof provides automatic developing agent replenishment of the developing bath upon processing.
摘要翻译： 一种照相元件，包括支承有至少一个照相卤化银乳剂层的支撑体，并且在支承体的相反侧具有包含至少一种封闭的显影剂或其前体的层，在处理时提供显影浴的补充。
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