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    • 1. 发明授权
    • Color photographic element containing a fragmentable electron donor in combination with a one equivalent coupler for improved photographic response
    • 含有可裂解的电子给体的彩色照相元件与一个等效的偶联剂结合以改善照相反应
    • US06242170B1
    • 2001-06-05
    • US09468023
    • 1999-12-20
    • Joseph P. PepeJeffrey C. HansenJames A. FridayAnnabel A. MuenterDavid T. Southby
    • Joseph P. PepeJeffrey C. HansenJames A. FridayAnnabel A. MuenterDavid T. Southby
    • G03C108
    • G03C1/0051G03C1/04G03C1/10G03C1/12G03C7/3022G03C7/30511G03C7/30547G03C7/392G03C2200/24Y10S430/156
    • This invention provides a multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said emulsion layers comprises large tabular grains having an average equivalent circular diameter of greater than 3 &mgr;m and contains a one equivalent image dye-forming coupler and a fragmentable electron donating compound of the formula: X—Y′ or a compound which contains a moiety of the formula —X—Y′; wherein X is an electron donor moiety, Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of X—Y′ undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y′; and, optionally, 3) the radical X• has an oxidation potential ≦−0.7 V (that is, equal to or more negative than about −0.7 V).
    • 本发明提供了一种多色照相元件,其包含载体,该支持体含有青色染料影像形成单元,该单元包含至少一种与其相关联的至少一种形成青色染料的成色剂的感红卤化银乳剂层,品红染料影像形成单元包括 至少一种感绿卤化银乳剂层,其与至少一种品红色染料形成成色剂相关联,黄色染料影像形成单元,其包含至少一种蓝敏感卤化银乳剂层,其具有至少一种形成黄色染料的成色剂 其中所述乳剂层中的至少一个包括平均当量圆直径大于3μm的大片状颗粒,并且含有一个等效的图像染料形成成色剂和下式的可裂解的给电子化合物:XY' 含有式-X-Y'的部分; 其中X是电子给体部分,Y'是离开质子H或离去基团Y,条件是如果Y'是质子,则碱,β - 与X直接或间接共价连接,并且其中:1 )XY'具有介于0和约1.4V之间的氧化电位; 和2)X-Y'的氧化形式发生键断裂反应,得到X基团和离去片段Y'; 并且可选地,3)基团X具有氧化电位<= -0.7V(即等于或大于约-0.7V的负值)。
    • 3. 发明授权
    • Inkjet ink sets for high speed printing on plain papers and glossy media
    • 喷墨油墨套装,用于普通纸和光面介质上的高速印刷
    • US08814337B2
    • 2014-08-26
    • US11964846
    • 2007-12-27
    • Richard P. SzajewskiDavid T. SouthbyDavid S. Uerz
    • Richard P. SzajewskiDavid T. SouthbyDavid S. Uerz
    • B41J2/01C09D11/00
    • C09D11/40C09D11/326
    • An inkjet ink set including a cyan ink, a magenta ink and a yellow ink, wherein each of said cyan, magenta and yellow inks individually comprises at least 65% water, between 1% and 5% by weight of a dispersed pigment colorant, a surfactant that reduces static surface tension, a dynamic surface tension reducing agent distinct from the surfactant, and at least one humectant distinct from the surfactant and the dynamic surface tension reducing agent; and wherein each of said cyan, magenta and yellow inks is characterized by exhibiting a viscosity normalized dynamic surface tension at surface refresh ages of 0.01 s of less than 23.0 mN/(m*cP); and wherein the average viscosity normalized dynamic surface tension at a surface refresh age of 0.01 s for said cyan, magenta and yellow inks taken together is less than 22.0 mN/(m*cP).
    • 一种喷墨油墨组,包括青色油墨,品红色油墨和黄色油墨,其中所述青色,品红色和黄色油墨中的每一种分别包含至少65%的水,1%至5%重量的分散颜料着色剂, 降低静态表面张力的表面活性剂,与表面活性剂不同的动态表面张力降低剂,以及与表面活性剂和动态表面张力降低剂不同的至少一种湿润剂; 并且其中所述青色,品红色和黄色墨水中的每一种的特征在于表面刷新时间的粘度归一化动态表面张力为0.01s小于23.0mN /(m * cP); 并且其中对于所述青色,品红色和黄色墨水在一起的表面刷新时间为0.01秒的平均粘度归一化动态表面张力小于22.0mN /(m * cP)。
    • 5. 发明申请
    • INKJET INK SETS FOR HIGH SPEED PRINTING ON PLAIN PAPERS AND GLOSSY MEDIA
    • 喷墨打印机用于高速印刷在平面纸和胶卷介质上
    • US20090169761A1
    • 2009-07-02
    • US11964846
    • 2007-12-27
    • Richard P. SzajewskiDavid T. SouthbyDavid S. Uerz
    • Richard P. SzajewskiDavid T. SouthbyDavid S. Uerz
    • C09D11/02B05D1/04
    • C09D11/40C09D11/326
    • An inkjet ink set comprising a cyan ink, a magenta ink and a yellow ink, wherein each of said cyan, magenta and yellow inks individually comprises at least 65% water, between 1% and 5% by weight of a dispersed pigment colorant, a surfactant that reduces static surface tension, a dynamic surface tension reducing agent distinct from the surfactant, and at least one humectant distinct from the surfactant and the dynamic surface tension reducing agent; wherein said surfactant, said dynamic surface tension reducing agent and said humectant can be the same or different between said cyan, magenta and yellow inks; and wherein each of said cyan, magenta and yellow inks is characterized by exhibiting a viscosity normalized dynamic surface tension at surface refresh ages of 0.01 s of less than 23.0 mN/(m*cP); and wherein the average viscosity normalized dynamic surface tension at a surface refresh age of 0.01 s for said cyan, magenta and yellow inks taken together is less than 22.0 mN/(m*cP).
    • 一种包括青色墨水,品红色墨水和黄色墨水的喷墨墨水组件,其中所述青色,品红色和黄色墨水中的每一种分别包含至少65%的水,1%至5%的分散颜料着色剂, 降低静态表面张力的表面活性剂,与表面活性剂不同的动态表面张力降低剂,以及与表面活性剂和动态表面张力降低剂不同的至少一种湿润剂; 其中所述表面活性剂,所述动态表面张力降低剂和所述湿润剂可以在所述青色,品红色和黄色油墨之间相同或不同; 并且其中所述青色,品红色和黄色墨水中的每一种的特征在于表面刷新时间的粘度归一化动态表面张力为0.01s小于23.0mN /(m * cP); 并且其中对于所述青色,品红色和黄色墨水在一起的表面刷新时间为0.01秒的平均粘度归一化动态表面张力小于22.0mN /(m * cP)。
    • 10. 发明授权
    • Photothermographic imaging element having improved contrast and methods of image formation
    • 具有改善的对比度和图像形成方法的光热成像元件
    • US06372421B1
    • 2002-04-16
    • US09593014
    • 2000-06-13
    • David T. SouthbyXiqiang YangZybslaw R. Owczarczyk
    • David T. SouthbyXiqiang YangZybslaw R. Owczarczyk
    • G03C1498
    • G03C8/408G03C1/49845G03C7/28G03C7/30541G03C2007/3043Y10S430/158
    • This invention relates to a silver halide photothermographic imaging element comprising at least one silver halide emulsion layer, said silver halide element further comprising an amido compound of Formula I wherein INH is a development inhibitor; LINK is a linking or timing group and m is 0, 1 or 2; and R1 and R2 independently are a hydrogen atom or an aliphatic, aromatic or heterocyclic group, or R1 and R2 together with the nitrogen to which they are attached represent the atoms necessary to form a 5 or 6 membered ring or multiple ring system, or R1 and R2 are independently a —C(═O)(LINK)m-INH group, or are substituted with a —NR3C(═O)-(LINK)m-INH , with R3 being defined the same as R1 or R2, with the proviso that only one of R1 and R2 can be a hydrogen atom. It further relates to methods of image formation utilizing said element.
    • 本发明涉及包含至少一个卤化银乳剂层的卤化银光热成像元件,所述卤化银元素还包含式I的酰氨基化合物,其中INH是显影抑制剂; LINK是连接或定时基团,m是0,1 或2; 并且R 1和R 2独立地是氢原子或脂族,芳族或杂环基团,或者R 1和R 2与它们所连接的氮一起表示形成5或6元环或多环体系所需的原子,或R 1 并且R 2独立地为-C(= O)(LINK)m-INH基团,或被-NR 3 C(= O) - (LINK)m-INH取代,其中R 3定义与R 1或R 2相同, 条件是R1和R2中只有一个可以是氢原子。 它还涉及利用所述元件的成像方法。