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    • 12. 发明授权
    • Imaging element containing a polymeric benzylic blocked developer
    • 含有聚合苄基封端显影剂的成像元件
    • US06770406B1
    • 2004-08-03
    • US10339141
    • 2003-01-09
    • James H. ReynoldsDouglas R. RobelloDavid H. Levy
    • James H. ReynoldsDouglas R. RobelloDavid H. Levy
    • G03C142
    • G03C1/49827G03C1/42G03C1/49881G03C7/30541G03C2200/43G03C2200/60Y10S430/16Y10S430/165
    • This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein PUG is a residue of removing a hydrogen from wherein X, Y, and Z represent substituents selected independently from the groups hydrogen, alkyl group of 1 to 6 carbon atoms, cyclopropyl, aryl, arylalkyl, and heterocyclic groups, wherein at least one of X, Y, and Z is an aryl group and one of X, Y, Z, which may or may not be an aryl group, is attached in the direction of the backbone, and the other substituents are as defined in the specification. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.
    • 本发明涉及一种成像元件,其包括具有结构I的化合物的成像层:其中PUG是从其中的X,Y和Z中除去氢的残基,Y和Z表示独立地选自氢,烷基, 6个碳原子,环丙基,芳基,芳基烷基和杂环基,其中X,Y和Z中的至少一个是芳基,X,Y和Z中的一个可以是也可以不是芳基,被连接 在骨架的方向上,其它取代基如说明书中所定义。 这些化合物具有良好的反应性,并且可以通过用于阻挡照相用的化合物如显影剂,直到在预选条件下热活化。 根据本发明的化合物在彩色光热敏成像元件中特别有用。
    • 20. 发明授权
    • Latent image keeping improvement with a hexose reductone and green
sensitized epitaxially-finished tabular grain emulsions
    • 用己糖还原剂和绿色敏化的外延成片的片状颗粒乳剂潜在的图像保持改善
    • US5773208A
    • 1998-06-30
    • US757362
    • 1996-11-27
    • Jeffrey L. HallJames H. Reynolds
    • Jeffrey L. HallJames H. Reynolds
    • G03C1/005G03C1/035G03C1/34G03C7/392G03C1/06
    • G03C1/34G03C1/0051G03C7/39236
    • The invention relates to an emulsion comprising silver halide grains, said grains being tabular and comprising sensitizing dye(s) and silver salt epitaxial deposits, and addenda that include a tetraazaindene and a hexose reductone represented by Formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or an alkyl group with a solubilizing group such as --OH, sulfonamide, sulfamoyl, or carbamoyl. Alternatively, R.sub.1 and R.sub.2 may be joined to complete a heterocyclic ring such as aziridinyl, azetidinyl, pyrrolidinyl, piperidinyl, morpholinyl, piperazinyl, or pyridinyl, R.sub.4 and R.sub.5 are H, OH, alkyl, aryl, cycloalkyl, or may together represent an alkylidene group, n is 0,1, or 2 and R.sub.3 is H, alkyl, aryl, or CO.sub.2 R.sub.6 where R.sub.6 is alkyl.
    • 本发明涉及包含卤化银颗粒的乳液,所述颗粒是片状的并且包含增感染料和银盐外延沉积物,以及附加物,其包括由式I表示的四氮杂茚和己糖还原酮:其中R1和 R2可以相同或不同,并且可以表示H,烷基,环烷基,芳基或具有增溶基团如-OH,磺酰胺,氨磺酰基或氨基甲酰基的烷基。 或者,R1和R2可以连接成完整的杂环,例如氮丙啶基,氮杂环丁烷基,吡咯烷基,哌啶基,吗啉基,哌嗪基或吡啶基,R4和R5是H,OH,烷基,芳基,环烷基,或者可以一起代表亚烷基 基团,n为0,1或2,R 3为H,烷基,芳基或CO 2 R 6,其中R 6为烷基。