专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

91. 发明授权

US5631126A Epitaxially sensitized tabular grain emulsions containing speed/fog sulfodihydroxy aryl enhancing addenda 失效
标题翻译：含有速度/雾磺基二羟基芳基增强附加物的外源敏化片状颗粒乳剂
公开(公告)号：US5631126A
公开(公告)日：1997-05-20
申请号：US363477
申请日：1994-12-23
申请人： Richard L. Daubendiek , Jeffrey L. Hall , Melvin M. Kestner
发明人： Richard L. Daubendiek , Jeffrey L. Hall , Melvin M. Kestner
IPC分类号： G03C1/005 , G03C1/10 , G03C1/34 , G03C1/08
CPC分类号： G03C1/346 , G03C1/0051 , G03C1/10
摘要： The invention relates to a radiation-sensitive silver halide emulsion comprisingsilver halide grains including tabular grains(a) having {111} major faces,(b) containing greater than 70 mole percent bromide, based on silver,(c) accounting for greater than 90 percent of total grain projected area,(d) exhibiting an average equivalent circular diameter of at least 0.7 .mu.m,(e) exhibiting an average thickness of less than 0.07 .mu.m, and(f) having latent image forming chemical sensitization sites on the surfaces of the tabular grains, anda spectral sensitizing dye adsorbed to the surfaces of the tabular grains,wherein the surface chemical sensitization sites include at least one silver salt epitaxially located on said tabular grains adsorbed onto said grains during grain forming or sensitizing and said emulsion further comprising at least one sulfodihydroxy aryl compound represented by the Formulas I or II ##STR1## wherein X and Y represent an SO.sub.3 group or a hydrogen with at least one of X and Y being a sulfo group.
摘要翻译：本发明涉及包含卤化银颗粒的辐射敏感性卤化银乳剂，其包括具有{111}主面的片状颗粒（a），（b）基于银含有大于70摩尔％的溴化物，（c）占比大于占总颗粒投影面积的90％，（d）平均当量圆直径至少为0.7μm，（e）平均厚度小于0.07μm，（f）具有潜像形成化学敏化位点片状颗粒的表面和吸附在片状颗粒表面的光谱增感染料，其中表面化学增感位点包括至少一种外延位于在颗粒形成或增感期间吸附在所述颗粒上的片状颗粒上的银盐和所述乳液还包含由式I或II表示的至少一种磺基二羟基芳基化合物，其中X和Y表示SO 3基团或至少具有至少一个 X和Y是一个磺基。

92. 发明授权

US5624467A Microprecipitation process for dispersing photographic filter dyes 失效
标题翻译：用于分散照相滤光染料的微沉淀法
公开(公告)号：US5624467A
公开(公告)日：1997-04-29
申请号：US812503
申请日：1991-12-20
申请人： John Texter , William B. Travis , Vincent J. Flow
发明人： John Texter , William B. Travis , Vincent J. Flow
IPC分类号： C09B23/00 , C09B23/01 , C09B23/02 , C09B23/10 , C09B67/46 , G03C1/005 , G03C1/825 , G03C1/83 , G03C1/00
CPC分类号： G03C1/005 , C09B23/0091 , C09B23/02 , C09B23/10 , C09B67/0084 , G03C1/832 , Y10S516/01
摘要： A process is provided for preparing microprecipitated dispersions of filter dyes by preparing a concentrated slurry in aqueous medium of a filter dye having ionizable acid sites on the dye molecule, adding sufficient aqueous hydroxide to dissolve the filter dye, acidifying the solution with a stoichiometric amount of acidic protons to reprotonate up to 100% of the total ionizable acid sites on the dye molecule and provide a microprecipitated dispersion of the filter dye that is insoluble in aqueous media at pH values less than 3 but soluble in aqueous media at pH greater than 10.
摘要翻译：提供了一种通过在染料分子上具有可离子化酸性位点的过滤染料的水性介质中制备浓缩浆液，加入足够的水性氢氧化物以溶解过滤染料，用化学计量的酸性质子可以染色高达染料分子上总可电离酸性位点的100％，并提供过滤染料的微沉淀分散体，该分散体不溶于含水介质，pH值小于3，但溶于含水介质中，pH大于10。

93. 发明授权

US5620840A High bromide tabular grain emulsions improved by peptizer selection 失效
标题翻译：通过胶溶剂选择改善的高溴化物片状颗粒乳剂
公开(公告)号：US5620840A
公开(公告)日：1997-04-15
申请号：US643225
申请日：1996-05-02
申请人： Joe E. Maskasky
发明人： Joe E. Maskasky
IPC分类号： G03C1/005 , G03C1/04 , G03C1/09
CPC分类号： G03C1/0051 , G03C1/04 , G03C1/09
摘要： A high bromide tabular grain photographic emulsion is disclosed containing as a peptizer a water dispersible cationic starch.
摘要翻译：公开了一种高溴化物片状颗粒照相乳剂，其包含作为胶溶剂的水分散性阳离子淀粉。

94. 发明授权

US5614359A High speed emulsions exhibiting superior contrast and speed-granularity relationships 失效
标题翻译：显示出优异的对比度和速度 - 粒度关系的高速乳液
公开(公告)号：US5614359A
公开(公告)日：1997-03-25
申请号：US592798
申请日：1996-01-26
申请人： Lyn M. Eshelman , David H. Levy , Paul J. Madigan
发明人： Lyn M. Eshelman , David H. Levy , Paul J. Madigan
IPC分类号： G03C1/005 , G03C1/035
CPC分类号： G03C1/0051
摘要： Spectrally sensitized tabular grain emulsions are disclosed exhibiting (1) increased speeds and (2) contrasts and speed-granularity relationships superior to those of conventional emulsions of the same average grain sizes. The tabular grains have {111} major faces, contain greater than 80 mole percent bromide, based on silver, and are substantially free of iodide, exhibit an average aspect ratio of greater than 50 and an average equivalent circular diameter of >10 micrometers, account for greater than 90 percent of total grain projected area, and have latent image forming chemical sensitization sites on their surfaces including epitaxially deposited silver halide protrusions of a face centered cubic rock salt crystal lattice structure forming epitaxial junctions with the tabular grains. The protrusions are restricted to those portions of the tabular grains (a) located nearest peripheral edges of and (b) accounting for less than 50 percent of the {111} major faces of the tabular grains. The protrusions contain silver iodide and a silver chloride concentration at least 10 mole percent higher than that of the tabular grains.
摘要翻译：公开了光谱敏化的片状颗粒乳剂，其显示出（1）增加的速度和（2）对比度和速度 - 粒度关系优于相同平均粒度的常规乳液。片状颗粒具有{111}主面，基于银含有大于80摩尔％的溴化物，并且基本上不含碘化物，具有大于50的平均长径比和> 10微米的平均当量圆直径，占总颗粒投影面积的90％以上，并且在其表面上具有潜像形成化学增感位点，包括外表面沉积的与片状颗粒形成外延结的立方岩盐晶格结构的卤化银突起。突出部分限于位于最近外围边缘的片状颗粒（a）的那些部分，（b）占片状颗粒的{111}主面的少于50％。这些突起包含碘化银和氯化银浓度比片状颗粒高至少10摩尔％。

95. 发明授权

US5604086A Tabular grain emulsions containing a restricted high iodide surface phase 失效
标题翻译：含有限制性高碘化物表面相的片状颗粒乳剂
公开(公告)号：US5604086A
公开(公告)日：1997-02-18
申请号：US620773
申请日：1996-03-22
申请人： Kenneth J. Reed , Jeffrey C. Hansen
发明人： Kenneth J. Reed , Jeffrey C. Hansen
IPC分类号： G03C1/035 , G03C1/005 , G03C1/09 , G03C1/10
CPC分类号： G03C1/0051
摘要： A photographic emulsion is disclosed comprised of a dispersing medium and radiation-sensitive silver halide grains with greater than 50 percent of total grain projected area being accounted for by grains containing a host portion of a face centered cubic rock salt crystal lattice structure and a first epitaxial phase containing greater than 90 mole percent iodide. The host portion is tabular, being bounded by an exterior having first and second parallel major faces joined by a peripheral edge. The first epitaxial phase accounts for less than 60 percent of total silver, and the first epitaxial phase is restricted to a portion of the exterior of the host portion that includes at least 15 percent of the major faces.
摘要翻译：公开了一种照相乳剂，其包括分散介质和具有大于总颗粒投影面积的50％的辐射敏感卤化银颗粒，其由含有面心立方岩盐晶格结构的主体部分和第一外延相含有大于90摩尔％的碘化物。主体部分是片状的，由具有由周边边缘连接的第一和第二平行主面的外部限定。第一外延相占总银的小于60％，第一外延相限于主体部分外部的至少包含15％主面的部分。

96. 发明授权

US5601969A Preparation of tabular emulsion grains rich in chloride 失效
标题翻译：制备富含氯化物的片状乳液颗粒
公开(公告)号：US5601969A
公开(公告)日：1997-02-11
申请号：US774188
申请日：1991-10-10
申请人： Ann L. Verbeeck
发明人： Ann L. Verbeeck
IPC分类号： G03C1/015 , G03C1/005 , G03C1/035 , G03C1/06 , G03C1/07
CPC分类号： G03C1/07 , G03C1/0053 , G03C1/015 , G03C2001/0156 , G03C2001/0157 , G03C2001/03511 , G03C2001/03523 , G03C2001/03558 , G03C2200/03 , G03C2200/43 , G03C2200/44
摘要： A method for the preparation of silver halide tabular emulsion grains, containing at least 75 % chloride, wherein at least 50 % of the total projected area of all the grains is provided by the tabular grains, and wherein the tabular grains exhibit an average aspect ratio of at least 5:1, an average thickness not greater than 0.5 micron and an average diameter of at least 0.6 micron. The method comprisespreparing a dispersion medium containing a gelatino-peptizer, and a compound ##STR1## wherein Z represents the atoms necessary to form a fused on aromatic carbocyclic or heterocyclic, unsubstituted or substituted ring, e.g., substituted with alkyl, alkenyl, aryl, alkoxy, hydroxy, mercapto, carboxy, amino or halogen, R is hydrogen or a substituent as defined for ring Z; n is 1 or 0, and Q represents carbon in which case n=1, or Q represents nitrogen, in which latter case n =0; in a concentration ranging from 10.sup.-4 to 10.sup.-2 molar. The pH of the medium is adjusted to between 5.0 and 9.0 and to a pCl between 1.0 and 2.0 by means of a chloride ions providing salt;performing a silver halide precipitation comprising at least one double jet step by introducing in the dispersion medium at least one solution containing chloride ions and at least one solution containing silver ions in such a way that pCl is maintained between 1.0 and 2.0, pH is maintained between 5.0 and 9.0 and the concentration of compound (Ia) or (Ib) is maintained between 10.sup.-4 molar and 10.sup.-2 molar; andremoving excess of soluble salts by a wash technique performed at a pH value comprised between 4.0 and 9.0.
摘要翻译：一种制备含有至少75％氯化物的卤化银片状乳液颗粒的方法，其中所有颗粒的总投影面积的至少50％由片状颗粒提供，并且其中片状颗粒呈平均长宽比至少5:1，平均厚度不大于0.5微米，平均直径至少为0.6微米。该方法包括制备含有明胶胶溶剂的分散介质和形成稠合在芳族碳环或杂环的未取代或取代的环上所需的化合物（Ia），例如，被烷基，烯基，芳基，烷氧基，羟基，巯基，羧基，氨基或卤素，R是氢或根据Z定义的取代基; n为1或0，Q为碳，其中n = 1，或Q为氮，后者为n = 0; 浓度范围为10-4至10-2摩尔。通过提供盐的氯离子将介质的pH调节至5.0至9.0，并将pCl调节至1.0至2.0; 通过在分散介质中引入至少一种含有氯离子的溶液和至少一种含有银离子的溶液，使pCl保持在1.0和2.0之间，使pH保持在 5.0和9.0，化合物（Ia）或（Ib）的浓度保持在10-4摩尔和10-2摩尔之间; 并通过在4.0至9.0之间的pH值下进行的洗涤技术除去过量的可溶性盐。

97. 发明授权

US5595863A Silver halide emulsion prepared in the presence of polymers and a photographic material using the same 失效
标题翻译：在聚合物存在下制备的卤化银乳剂和使用其的照相材料
公开(公告)号：US5595863A
公开(公告)日：1997-01-21
申请号：US537225
申请日：1995-09-29
申请人： Junichi Yamanouchi , Yoichi Hosoya
发明人： Junichi Yamanouchi , Yoichi Hosoya
IPC分类号： G03C1/035 , G03C1/005 , G03C1/04 , G03C1/043 , G03C1/07
CPC分类号： G03C1/0051
摘要： There are disclosed a hexagonal silver halide tabular emulsion having an excellent monodispersibility and a silver halide photographic material which contains the above tabular silver halide emulsion and excels in a graininess, a sensitivity and a preservability. The above silver halide photographic emulsion is prepared in the presence of at least one of the polymers having a recurring unit represented by the Formula (1) and at least one of the polymers having a recurring unit represented by Formula (2):--(R--O).sub.n -- (1)--(CH.sub.2 CH.sub.2 O).sub.m -- (2)wherein R represents an alkylene group having 3 to 10 carbon atoms; and n and m each represents an average number of the recurring unit, respectively and each represents 4 to 200.
摘要翻译：公开了具有优异的单分散性的六甲基卤化银片状乳液和含有上述片状卤化银乳剂的卤化银照相材料，并且颗粒度，灵敏度和保存性都优异。上述卤化银照相乳剂在至少一种具有由式（1）表示的重复单元的聚合物和至少一种具有由式（2）表示的重复单元的聚合物的存在下制备： - （RO ）n-（1） - （CH 2 CH 2 O）m - （2）其中R表示具有3至10个碳原子的亚烷基; n和m分别表示重复单元的平均数，分别表示4〜200。

98. 发明授权

US5576171A Tabular grain emulsions with sensitization enhancements 失效
标题翻译：具增敏作用的片状颗粒乳剂
公开(公告)号：US5576171A
公开(公告)日：1996-11-19
申请号：US442228
申请日：1995-05-15
申请人： Myra T. Olm , Richard L. Daubendiek , Joseph C. Deaton , Donald L. Black , Timothy R. Gersey , Joseph G. Lighthouse , Xin Wen , Robert D. Wilson
发明人： Myra T. Olm , Richard L. Daubendiek , Joseph C. Deaton , Donald L. Black , Timothy R. Gersey , Joseph G. Lighthouse , Xin Wen , Robert D. Wilson
IPC分类号： G03C1/005 , G03C1/08 , G03C1/035 , G03C1/09
CPC分类号： G03C1/0051 , G03C1/08
摘要： A chemically and spectrally sensitized tabular grain emulsion is disclosed including tabular grains (a) having {111} major faces, (b) containing greater than 70 mole percent bromide and at least 0.25 mole percent iodide, based on silver, (c) accounting for greater than 90 percent of total grain projected area, (d) exhibiting an average equivalent circular diameter of at least 0.7 .mu.m, and (f) exhibiting an average thickness in the range of from less than 0.3 .mu.m to at least 0.07 .mu.m.It has been observed that photographic performance is enhanced when surface chemical sensitization sites include epitaxially deposited silver halide protrusions forming epitaxial junctions with the tabular grains, the protrusions (a) being located on up to 50 percent of the surface area of the tabular grains, (b) having a higher overall solubility than at least that portion of the tabular grains forming epitaxial junction with the protrusions, (c) forming a face centered cubic crystal lattice, and (d) containing a speed enhancing dopant selected to provide shallow electron trapping sites.
摘要翻译：公开了化学和光谱增感的片状颗粒乳剂，其包括具有{111}主面的片状颗粒（a），（b）含有大于70摩尔百分比的溴和基于银的至少0.25摩尔％的碘化物，（c）占占总颗粒投影面积的90％以上，（d）平均当量圆直径至少为0.7μm，（f）平均厚度在小于0.3μm至至少0.07μm的范围内。已经观察到，当表面化学增感位点包括形成与片状颗粒的外延结的外延沉积的卤化银突起时，照相性能得到增强，突起（a）位于片状颗粒的表面积的50％以上 b）具有比至少部分片状颗粒形成与突起外延结合的总溶解度更高的总溶解度，（c）形成面心立方晶格，（d）含有选择提供浅电子捕获位点的速度增强掺杂物。

99. 发明授权

US5576169A Silver bromoiodide core-shell grain emulsion 失效
标题翻译：银碘碘化物核 - 壳颗粒乳剂
公开(公告)号：US5576169A
公开(公告)日：1996-11-19
申请号：US399611
申请日：1995-03-07
申请人： Mario Mariotti , Bruno Barletta , Mauro Besio
发明人： Mario Mariotti , Bruno Barletta , Mauro Besio
IPC分类号： G03C7/00 , G03C1/005 , G03C1/015 , G03C1/035 , G03C1/16 , G03C1/18 , G03C7/26 , G03C7/30
CPC分类号： G03C1/035 , G03C1/0051 , G03C1/005 , G03C1/16 , G03C1/18 , G03C7/3022
摘要： A core-shell silver bromoiodide emulsion having an inner core portion consisting essentially of silver bromoiodide and an outer shell portion consisting essentially of silver bromoiodide, wherein said inner core portion has a silver iodide content ranging from 30 to 50 mol %, said outer shell portion has a silver iodide content ranging from 1 to 10 mol %, and the average total silver iodide content ranges from 5 to 12 mol %, and wherein the ratio between the area of the X-ray diffraction peak corresponding to said outer shell portion and the area of the X-ray diffraction peak corresponding to said inner core portion is higher than 9:1.
摘要翻译：一种核 - 壳银溴碘化银乳液，其具有基本上由溴碘化银组成的内核部分和基本上由溴碘化银组成的外壳部分，其中所述内芯部分具有30-50mol％的碘化银含量，所述外壳部分碘化银的含量为1〜10摩尔％，平均总碘化银含量为5〜12摩尔％，其中与所述外壳部分相对应的X射线衍射峰面积与对应于所述内核部分的X射线衍射峰的面积高于9:1。

100. 发明授权

US5576168A Ultrathin tabular grain emulsions with sensitization enhancements 失效
标题翻译：超薄片状颗粒乳剂具有增敏作用
公开(公告)号：US5576168A
公开(公告)日：1996-11-19
申请号：US297195
申请日：1994-08-26
申请人： Richard L. Daubendiek , Donald L. Black , Joseph C. Deaton , Timothy R. Gersey , Joseph G. Lighthouse , Myra T. Olm , Xin Wen , Robert D. Wilson
发明人： Richard L. Daubendiek , Donald L. Black , Joseph C. Deaton , Timothy R. Gersey , Joseph G. Lighthouse , Myra T. Olm , Xin Wen , Robert D. Wilson
IPC分类号： G03C1/005 , G03C1/08 , G03C1/46 , G03C1/035 , G03C1/015
CPC分类号： G03C1/08 , G03C1/0051 , G03C1/46
摘要： A chemically and spectrally sensitized ultrathin tabular grain emulsion is disclosed including tabular grains (a) having {111} major faces, (b) containing greater than 70 mole percent bromide and at least 0.25 mole percent iodide, based on silver, (c) accounting for greater than 90 percent of total grain projected area, (d) exhibiting an average equivalent circular diameter of at least 0.7 .mu.m, and (e) exhibiting an average thickness of less than 0.07 .mu.m.It has been observed that increased speed and contrast as well as improvements in speed-granularity relationships can be realized when during the chemical sensitization silver and halide ions including iodide and chloride ions are added to the ultrathin tabular grain host emulsion to deposit epitaxially on up to 50 percent of the surface area of the tabular grains silver halide protrusions (a) having an isomorphic face centered cubic crystal lattice structure, (b) containing at least a 10 mole percent higher chloride ion concentration than the tabular grains, and (c) containing an iodide concentration that is increased by the iodide ion addition.
摘要翻译：公开了一种化学和光谱增感的超薄片状颗粒乳液，其包括具有{111}主面的片状颗粒（a），（b）含有大于70摩尔百分比的溴和至少0.25摩尔百分数的碘，基于银，（c）占总颗粒投影面积的90％以上，（d）平均当量圆直径至少为0.7μm，（e）平均厚度小于0.07μm。已经观察到，当在化学增感期间，可以实现增加的速度和对比度以及速度 - 粒度关系的改善，其中包括碘化物和氯离子的银和卤离子被添加到超薄片状颗粒主体乳液中以外延地沉积到具有同构面心立方晶格结构的片状粒状卤化银突片（a）的表面积的50％，（b）含有比片状颗粒高至少10摩尔％的氯离子浓度，和（c）含有通过碘离子添加而增加的碘化物浓度。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式