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    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
    3.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号：US5747235A

    公开(公告)日：1998-05-05

    申请号：US739921

    申请日：1996-10-30

    申请人： Samir Y. Farid ,  Jerome R. Lenhard ,  Chin H. Chen ,  Annabel A. Muenter ,  Ian R. Gould ,  Stephen A. Godleski ,  Paul A. Zielinski

    发明人： Samir Y. Farid ,  Jerome R. Lenhard ,  Chin H. Chen ,  Annabel A. Muenter ,  Ian R. Gould ,  Stephen A. Godleski ,  Paul A. Zielinski

    IPC分类号： G03C1/08 ,  G03C1/09 ,  G03C1/10 ,  G03C1/12 ,  G03C1/28 ,  G03C1/34

    CPC分类号： G03C1/09 ,  G03C1/10 ,  G03C2200/24

    摘要： A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and L represents a linking group containing at least one C, N, S or O atom, k is 1 or 2, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1-4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y. In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.

    摘要翻译： 一种照相元件，包括至少一个卤化银乳剂层，其中卤化银用下列化学式的化合物敏化：含有至少一个促进对卤化银吸附的N，S，Se或Te原子，L和 表示含有至少一个C，N，S或O原子的连接基团，k为1或2，XY为可裂解的电子给体部分，其中X为电子给体基团，Y为氢以外的离去基团， 其中：1）XY具有介于0和约1-4V之间的氧化电位; 和2）XY的氧化形式经历键断裂反应以得到基团X.和离去片段Y.在本发明的一个优选实施方案中，基团X的氧化势为-0.7V。

    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
    4.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号：US6153371A

    公开(公告)日：2000-11-28

    申请号：US118552

    申请日：1998-07-17

    申请人： Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Paul A. Zielinski

    发明人： Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Paul A. Zielinski

    IPC分类号： G03C1/10 ,  G03C1/12 ,  G03C1/29

    CPC分类号： G03C1/12 ,  G03C1/10 ,  G03C1/29 ,  G03C2200/24

    摘要： This invention comprises a photographic element comprising a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:Q-XYwherein Q represents the atoms necessary to form a chromophore comprising an amidinium-ion, a carboxyl-ion or dipolar-amidic chromophoric system when conjugated with XY, and XY is a fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V;2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.cndot. has an oxidation potential

    摘要翻译： 本发明包括一种照相元件，其包括载体和至少一个卤化银乳剂层，其中卤化银用下式化合物敏化：Q-XY，其中Q表示形成包含脒鎓离子的发色团所需的原子， 羧基离子或偶极 - 酰胺发色体系，XY为可裂解的电子给体部分，其中X为电子给体基团，Y为氢以外的离去基团，其中：1）XY具有氧化电位 介于0和约1.4 V之间; 2）XY的氧化形式经历键断裂反应，得到基团X.和离去片段Y.在本发明的优选实施方案中，基团X的氧化势<-0.7V。

    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
    5.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号：US06306570B1

    公开(公告)日：2001-10-23

    申请号：US09536300

    申请日：2000-03-27

    申请人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

    发明人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

    IPC分类号： G03C110

    CPC分类号： G03C1/10 ,  G03C1/12 ,  G03C2200/24

    摘要： A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y. In a preferred embodiment of the invention, the radical X• has an oxidation potential ≦−0.7 V.

    摘要翻译： 一种照相元件，包括至少一个卤化银乳剂层，其中卤化银用下式化合物致敏：其中A是含有至少一个促进的N，S，Se或Te原子的卤化银吸附基团 Z为吸光性基团，例如为花青染料，复合花青染料，部花菁染料，复色部花青染料，单极花青染料，苯乙烯基染料，氧杂菁染料，半氧杂菁染料，半花青染料，XY为 其中X是电子给体基团，Y是除氢以外的离去基团，其中：1）XY具有介于0和约1.4V之间的氧化电位; 和2）XY的氧化形式经历键断裂反应以得到基团X.和离去片段Y.在本发明的优选实施方案中，基团X具有<= -0.7V的氧化电位。

    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
    6.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号：US6054260A

    公开(公告)日：2000-04-25

    申请号：US118714

    申请日：1998-07-17

    申请人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

    发明人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

    IPC分类号： G03C1/09 ,  G03C1/10 ,  G03C1/12

    CPC分类号： G03C1/10 ,  G03C1/12 ,  G03C2200/24

    摘要： A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7 V.

    摘要翻译： 一种照相元件，包括至少一个卤化银乳剂层，其中卤化银用下式化合物致敏：其中A是含有至少一个促进的N，S，Se或Te原子的卤化银吸附基团 Z为吸光性基团，例如为花青染料，复合花青染料，部花菁染料，复色部花青染料，单极花青染料，苯乙烯基染料，氧杂菁染料，半氧杂菁染料，半花青染料，XY为 其中X是电子给体基团，Y是除氢以外的离去基团，其中：1）XY具有介于0和约1.4V之间的氧化电位; 和2）XY的氧化形式经历键断裂反应，得到基团X.和离去片段Y.在本发明的一个优选实施方案中，基团X的氧化电势为-0.7V。

    Imaging process based on change of optical covering power
    9.
    发明授权
    Imaging process based on change of optical covering power 失效
    基于光学覆盖功率变化的成像过程

    公开(公告)号：US5985526A

    公开(公告)日：1999-11-16

    申请号：US100215

    申请日：1998-06-19

    申请人： Lee W. Tutt ,  Ian R. Gould ,  Mitchell S. Burberry ,  Samir Y. Farid

    发明人： Lee W. Tutt ,  Ian R. Gould ,  Mitchell S. Burberry ,  Samir Y. Farid

    IPC分类号： B41M5/26 ,  G01D15/10 ,  G03C5/16 ,  G03C5/56

    CPC分类号： B41M5/267 ,  Y10S430/165

    摘要： A method of forming an image comprising imagewise-exposing a thermal recording element to heat, the element comprising a support having thereon a thermally-sensitive layer comprising particles containing a colorant, the particles having a particle size between about 1 and about 25 .mu.m suspended in a matrix, the layer having an optical density no higher than about 0.5, the heating thereby causing the colorant to spread out from the particles into the matrix, thus increasing the optical density in the imagewise-exposed areas.

    摘要翻译： 一种形成图像的方法，该图像包括成像曝光热敏记录元件以加热，所述元件包括其上具有包含着色剂的颗粒的热敏层的载体，所述颗粒具有约1至约25μm的粒度悬浮 在矩阵中，具有不高于约0.5的光密度的层，加热从而使着色剂从颗粒扩散到基质中，从而增加了成像曝光区域中的光密度。