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    Positive imaging diffusion-transfer dry silver system using formazan dye
    1.
    发明授权
    Positive imaging diffusion-transfer dry silver system using formazan dye 失效
    使用甲an染料的正成像扩散转移干银系统

    公开(公告)号：US5278024A

    公开(公告)日：1994-01-11

    申请号：US998445

    申请日：1992-12-30

    Applicant: Richard C. Cotner ,  David C. Weigel ,  Kumars Sakizadeh

    Inventor： Richard C. Cotner ,  David C. Weigel ,  Kumars Sakizadeh

    IPC: G03C1/498 ,  G03C8/40 ,  G03C5/54

    CPC classification number: G03C1/49854 ,  G03C8/4033 ,  G03C8/4066

    Abstract: A photothermographic composite structure for use in a solvent-free dye thermal positive imaging diffusion-transfer process comprising:(a) an image-receiving element comprising a polymeric dyeable image-receiving layer having a glass transition temperature in the range of 20.degree. to 200.degree. C., and(b) strippably adhered to said image-receiving element, an imageable photothermographic element comprising in at least one layer thereof a binder, a silver source material, photosensitive silver halide in catalytic proximity to said silver source material, and a formazan dye.

    Abstract translation: 一种用于无溶剂染料热阳性成像扩散转移方法的光热复合结构，包括：（a）图像接收元件，其包含玻璃化转变温度在20度至200度范围内的聚合物可染色图像接收层 以及（b）可剥离地粘附到所述图像接收元件，可成像的光热敏成像元件在其至少一个层中包含粘合剂，银源材料，催化接近所述银源材料的感光卤化银，以及 甲an染料

    Photothermographic toners
    6.
    发明授权
    Photothermographic toners 失效
    光热成像调色剂

    公开(公告)号：US4585734A

    公开(公告)日：1986-04-29

    申请号：US697342

    申请日：1985-02-01

    Applicant: David C. Weigel

    Inventor： David C. Weigel

    IPC: G03C1/06 ,  G03C1/498 ,  G03C1/02

    CPC classification number: G03C1/49845 ,  Y10S430/166

    Abstract: Certain effective toning systems for silver halide/silver salt/reducing agent photothermographic imaging materials tend to bleach the final image. The presently disclosed toning system of phthalazine and an active-hydrogen containing heterocyclic compound is more stable than some previous toners.

    Abstract translation: 卤化银/银盐/还原剂光热成像材料的某些有效的调色系统倾向于漂白最终的图像。 目前公开的酞嗪酮和含氢活性氢杂环化合物的调色系比一些以前的调色剂更稳定。

    Dry silver systems with fluoran leuco dyes
    7.
    发明授权
    Dry silver systems with fluoran leuco dyes 失效
    与荧光素白蛋白染色体系统

    公开(公告)号：US5185231A

    公开(公告)日：1993-02-09

    申请号：US749573

    申请日：1991-08-26

    Applicant: David C. Weigel

    Inventor： David C. Weigel

    IPC: G03C1/498 ,  G03C8/06 ,  G03C8/40

    CPC classification number: G03C1/49854

    Abstract: Certain fluoran dyes have been found to be effective reducing agents for silver ion in dry silver constructions. The fluoran dyes have the following structure: ##STR1## wherein: R.sup.1 represents methyl or n-butyl;R.sup.2 represents n-butyl or cyclohexyl;R.sup.3 represents hydrogen, methyl, or methoxy; andR.sup.4 represents ##STR2## where X represents halogen (preferably chlorine); and a binder.

    Abstract translation: 已经发现某些荧蒽染料是干银结构中有效的银离子还原剂。 荧光染料具有以下结构：其中：R1表示甲基或正丁基; R2代表正丁基或环己基; R3表示氢，甲基或甲氧基; 并且R 4表示，其中X表示卤素（优选氯）; 和粘合剂。

    Indicator material
    8.
    发明授权
    Indicator material 失效
    指示材料

    公开(公告)号：US4328181A

    公开(公告)日：1982-05-04

    申请号：US55146

    申请日：1979-07-06

    Applicant: Leon W. Anders ,  David C. Weigel

    Inventor： Leon W. Anders ,  David C. Weigel

    IPC: G01N31/22 ,  G01N21/78

    CPC classification number: G01N31/224 ,  Y10T436/186 ,  Y10T436/19

    Abstract: Indicator material for monitoring personal exposure to hazardous substances in ambient air comprising a pigment material, a binder and a sensitizer coated upon a transparent support member as a porous coating which permits gaseous diffusion throughout the coating is disclosed. Detection or monitoring is effected when the indicator material undergoes a visually observable reaction with hazardous material in the atmosphere at room temperature.

    Abstract translation: 用于监测环境空气中的有害物质的个人暴露的指示剂材料，其包括涂覆在透明支撑构件上的颜料，粘合剂和敏化剂，作为允许气体在整个涂层中扩散的多孔涂层。 当指示剂材料在室温下与大气中的危险物质进行目视可观察的反应时，进行检测或监测。

    Laser write process for making a conductive metal circuit
    10.
    发明授权
    Laser write process for making a conductive metal circuit 失效
    用于制作导电金属电路的激光写入工艺

    公开(公告)号：US5576074A

    公开(公告)日：1996-11-19

    申请号：US518547

    申请日：1995-08-23

    Applicant: David C. Weigel ,  David A. Morgan

    Inventor： David C. Weigel ,  David A. Morgan

    IPC: G03F7/28 ,  H05K3/10 ,  B05D3/06 ,  B05D3/02

    CPC classification number: H05K3/102

    Abstract: A process is described for providing a conductive metal circuit using a coherent radiation source. The circuit pattern is directly written onto a laser addressable element having a supercooling material layer. A conductive metal toner is then applied to the light struck areas and fired in a furnace to provide a conductive metal circuit.

    Abstract translation: 描述了使用相干辐射源提供导电金属电路的过程。 将电路图案直接写入具有过冷材料层的激光可寻址元件上。 然后将导电金属调色剂施加到轻击区域并在炉中烧制以提供导电金属电路。

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