会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 31. 发明授权
    • Methine-dye releasing couplers for heat image separation systems
    • 用于热图像分离系统的甲基染料释放成色剂
    • US5455140A
    • 1995-10-03
    • US250145
    • 1994-05-27
    • John TexterThomas R. WelterDavid T. SouthbyJared B. Mooberry
    • John TexterThomas R. WelterDavid T. SouthbyJared B. Mooberry
    • G03C8/10G03C8/40G03C8/12
    • G03C8/10G03C8/4013
    • An aqueous-developable photographic color diffusion transfer element is disclosed where this element comprises one and only one dimensionally stable support and one or more layers comprising radiation sensitive silver halide, thermal solvent for facilitating the thermal diffusion of dyes through a hydrophilic binder, a methine-dye releasing coupler, and hydrophilic binder, wherein said dye is heat diffusible in said binder and thermal solvent, and wherein said methine-dye releasing coupler is of the structure (I)Cp--L--M (I)whereCp is a coupler radical substituted in the coupling position with a divalent linking group, L;M is a methine-dye radical exhibiting selective absorption in the visible spectrum; and where the --L--M group couples off upon reaction of said coupler radical with the oxidation product of a primary amine developing agent, and where said methine-dye radical M is released from said --L--M group subsequent to the coupling off of said --L--M group.Also disclosed in this invention is a diffusion transfer process for forming a color photographic image comprising the steps of:exposing said element to actinic radiation; processing said element by immersing said element in an external aqueous bath containing color developer of the primary amine type;washing said element;drying said element to remove the imbibed water; andheating said element to effect dye diffusion transfer to an image receiving layer.
    • 公开了一种含水显影照相色彩扩散转移元件,其中该元件包括一个且仅一维稳定的载体,以及包含辐射敏感卤化银的一层或多层,用于促进染料通过亲水性粘合剂的热扩散的热溶剂, 染料释放成色剂和亲水性粘合剂,其中所述染料在所述粘合剂和热溶剂中是热扩散的,并且其中所述次甲基染料释放成色剂具有结构式(I)Cp-LM(I),其中Cp是取代基 与二价连接基团的偶联位置L; M是在可见光谱中表现出选择性吸收的次甲基染料基团; 并且其中-LM基团在所述成色剂基团与伯胺显影剂的氧化产物反应时脱离,并且其中所述次甲基染料基团M在所述-LM基团的偶联之后从所述-LM基团释放出来 。 本发明还公开了用于形成彩色照相图像的扩散转移方法,包括以下步骤:将所述元件暴露于光化辐射; 通过将所述元件浸入含有伯胺型彩色显影剂的外部水浴中来处理所述元件; 洗涤元素; 干燥所述元件以除去吸收的水; 并加热所述元件以进行染料扩散转移到图像接收层。
    • 32. 发明授权
    • Dye releasing couplers for heat image separation systems
    • 用于热图像分离系统的脱色成色剂
    • US5356750A
    • 1994-10-18
    • US993580
    • 1992-12-21
    • John TexterThomas R. WelterDavid T. SouthbyJared B. Mooberry
    • John TexterThomas R. WelterDavid T. SouthbyJared B. Mooberry
    • G03C8/10G03C8/40G03C5/54
    • G03C8/4033G03C8/10G03C8/4066
    • An aqueous-developable photographic color diffusion transfer element comprising a single dimensionally stable support and one or more layers comprising radiation sensitive silver halide, thermal solvent for facilitating the thermal diffusion of dyes through a hydrophilic binder, a dye-releasing coupler, and hydrophilic binder, wherein said dye is heat diffusible in said binder and thermal solvent, and wherein said dye-releasing coupler is of the structureCp--L-DyewhereCp is a cyan dye forming radical, magenta dye forming radical, yellow dye forming radical, black dye forming radical, or colorless product forming radical, said Cp being substituted in the coupling position with a divalent linking group, L;Dye is a dye radical exhibiting selective absorption in the visible spectrum; and where said --L-Dye group couples off upon reaction of said coupler radical with the oxidation product of a primary amine developing agent is disclosed.
    • 含水显影照相色彩扩散转移元件包括单尺寸稳定的载体和一层或多层包含辐射敏感的卤化银,用于促进染料通过亲水性粘合剂的热扩散的热溶剂,染料释放成色剂和亲水性粘合剂, 其中所述染料在所述粘合剂和热溶剂中是热扩散的,并且其中所述染料释放成色剂具有结构Cp-L-Dye,其中Cp是形成自由基的青色染料,形成自由基的品红色染料,形成自由基的黄色染料,黑色染料 形成自由基或无色产物形成基团,所述Cp在偶联位置被二价连接基团L取代; 染料是在可见光谱中显示出选择性吸收的染料基团; 并且其中所述-L-染料基团在所述成色剂基团与伯胺显影剂的氧化产物反应时偶联。