中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

68 records (took 0.03 seconds)

    COLOUR LASER MARKING METHODS OF SECURITY DOCUMENT PRECURSORS
    12.
    发明申请
    COLOUR LASER MARKING METHODS OF SECURITY DOCUMENT PRECURSORS 有权
    安全文件前缀的彩色激光标记方法

    公开(公告)号：US20130235145A1

    公开(公告)日：2013-09-12

    申请号：US13885745

    申请日：2011-11-28

    Applicant: Ingrid Geuens ,  Hubertus Van Aert ,  Paul Callant ,  Bart Waumans

    Inventor： Ingrid Geuens ,  Hubertus Van Aert ,  Paul Callant ,  Bart Waumans

    IPC: B41M5/34

    CPC classification number: B41M5/34 ,  B41M3/142 ,  B41M5/267 ,  B41M5/323 ,  B41M5/327 ,  B41M5/3336 ,  B41M5/3372 ,  B41M5/42 ,  B41M5/44 ,  B41M2205/04 ,  B41M2205/38

    Abstract: A method of colour laser marking a security document precursor including, in order, at least: a) a polymeric foil; b) at least one colourless colour forming layer for generating a colour different from black containing at least an infrared absorber, a colour forming compound and a polymeric binder; and c) either a lasermarkable polymeric support or a lasermarkable layer for generating a black colour; comprising the steps of: (1) laser marking a colour different from black in the colourless colour forming layer with an infrared laser used in continuous wave mode; and (2) laser marking a black colour by carbonization in the lasermarkable polymeric support or the lasermarkable layer with the same infrared laser used in a pulsed mode; and wherein at least one of the polymeric foil and the lasermarkable polymeric support is transparent for the infrared light of the infrared laser.

    Abstract translation: 一种彩色激光标记安全文件前体的方法，其包括以下步骤：至少：a）聚合物箔; b）至少一种无色成色层，用于产生与至少含有红外线吸收剂，成色化合物和聚合物粘合剂的黑色不同的颜色; 和c）用于产生黑色的可拉伸聚合物支持体或可拉伸层; 包括以下步骤：（1）使用连续波模式的红外激光在无色成色层中激光标记与黑色不同的颜色; 和（2）通过使用在脉冲模式中使用的相同红外激光的可水印聚合物支持体或可拉伸层中的碳化激光标记黑色; 并且其中所述聚合物箔和所述可拉伸聚合物载体中的至少一种对于所述红外激光的红外光是透明的。

    Photopolymerizable composition
    14.
    发明授权
    Photopolymerizable composition 有权
    可光聚合组合物

    公开(公告)号：US07241557B2

    公开(公告)日：2007-07-10

    申请号：US11193681

    申请日：2005-07-29

    Applicant: Alexander Williamson ,  Paul Callant

    Inventor： Alexander Williamson ,  Paul Callant

    IPC: G03F7/031

    CPC classification number: G03F7/031 ,  Y10S430/127

    Abstract: A composition that is photopolymerizable upon absorption of light in the wavelength range from 300 to 450 nm, the composition comprising a binder, a polymerizable compound, a sensitizer and a photoinitiator, wherein the sensitizer is a fluorene compound that is conjugated via a double or triple bond with an aromatic or heteroaromatic group, and is characterized by a high sensitivity.

    Abstract translation: 在300〜450nm的波长范围内吸收光时可光聚合的组合物，所述组合物包含粘合剂，可聚合化合物，敏化剂和光引发剂，其中所述敏化剂是通过双重或三重键合的芴化合物 与芳族或杂芳族基团键合，并且其特征在于高灵敏度。

    Method for preparation of a photothermographic material with increased photosensitivity
    15.
    发明授权
    Method for preparation of a photothermographic material with increased photosensitivity 失效
    具有增加光敏性的光热敏成像材料的制备方法

    公开(公告)号：US07067243B2

    公开(公告)日：2006-06-27

    申请号：US10384321

    申请日：2003-03-07

    Applicant: Herman Uytterhoeven ,  Paul Callant

    Inventor： Herman Uytterhoeven ,  Paul Callant

    IPC: G03C1/498 ,  G03C1/10

    CPC classification number: G03C1/49854 ,  G03C1/09 ,  G03C1/102 ,  G03C1/22 ,  G03C1/49845 ,  Y10S430/136 ,  Y10S430/165

    Abstract: A process for preparing a photothermographic material with increased photosensitivity, the photothermographic material comprising a support and a photo-addressable thermally developable element, exclusive of a compound R—S(M)n wherein R is an aliphatic hydrocarbon, aryl or heterocyclic group, M is a hydrogen atom, or cation, and letter n is a number determined so as to render the molecule neutral and also exclusive of a compound capable of releasing a mobile dye corresponding to or inversely corresponding to the reduction of silver halide to silver at elevated temperatures, the photo-addressable thermally developable element containing a photosensitive agent in catalytic association with a light-insensitive organic silver salt, a reducing agent for the light-insensitive organic silver salt in thermal working relationship therewith and a binder, comprising the steps of: (i) increasing the photosensitivity of a photosensitive silver halide by chemical sensitisation with a chemical sensitising merocyanine dye containing a thione group in a non-oxidative aqueous medium, optionally in the presence of the light-insensitive organic silver salt, thereby producing the photosensitive agent; (ii) coating the support with one or more aqueous solutions or dispersions together containing the light-insensitive organic silver salt, the photosensitive agent, the reducing agent and the binder; (iii) drying the coating or coatings thereby producing the photo-addressable thermally developable element.

    Abstract translation: 一种制备具有增加的光敏性的光热敏成像材料的方法，所述光热成像材料包含载体和光寻址热可显影元件，不包括化合物RS（M）N，其中R是脂族烃，芳基 或杂环基，M为氢原子或阳离子，并且字母n为确定分子中性的数量，也不包含能够释放对应于卤化银还原反应的可移动染料的化合物 在高温下为银，光寻址热可显影元件含有与光不敏感有机银盐催化缔合的光敏剂，与其热处理关系的光不敏感有机银盐的还原剂和粘合剂，其包含 步骤：（i）通过化学敏化增加光敏卤化银的光敏性 任选在光不敏感的有机银盐存在下，在非氧化性水性介质中含有硫酮基的敏感性部花青染料，从而制备感光剂; （ii）用一种或多种含有光不敏感有机银盐，感光剂，还原剂和粘合剂的水溶液或分散体涂覆载体; （iii）干燥涂层或涂层，从而产生可光寻址的可热显影元件。

    Radiographic film material and intensifying screen-film combination
    16.
    发明授权
    Radiographic film material and intensifying screen-film combination 失效

    公开(公告)号：US06607876B2

    公开(公告)日：2003-08-19

    申请号：US09995918

    申请日：2001-11-28

    Applicant: Kathy Elst ,  Paul Callant ,  Ilse Mans

    Inventor： Kathy Elst ,  Paul Callant ,  Ilse Mans

    IPC: G03C1005

    CPC classification number: G03C1/0051 ,  G03C1/29 ,  G03C5/17 ,  G03C2200/42 ,  Y10S430/167

    Abstract: A radiographic silver halide film material and a radiographic screen/film combination has been disclosed, said material having in at least one light-sensitive layer thereof an emulsion comprising {111} tabular silver halide grains rich in silver bromide, spectrally sensitive to irradiation in the wavelength range between 540 and 555 nm by the presence of a combination of at least one J-aggregating spectrally sensitizing cyanine dye according to the formula (I) and of at least one additional cyanine dye providing a shift of maximum absorption wavelength of said combination of less than 10 nm versus in the absence thereof, wherein said additional cyanine dye is at least one monomethine cyanine dye according to the formula (II), essentially having a solubilizing group or a latent solubilizing group, said dyes having been given in the description and in the claims of the present invention.

    Filter dyes for rapid processing applications
    18.
    发明授权
    Filter dyes for rapid processing applications 失效
    用于快速加工应用的过滤染料

    公开(公告)号：US5344749A

    公开(公告)日：1994-09-06

    申请号：US118738

    申请日：1993-09-10

    Applicant: Eric Kiekens ,  Paul Callant

    Inventor： Eric Kiekens ,  Paul Callant

    IPC: C09B23/00 ,  C09B23/01 ,  G03C1/00 ,  G03C1/76 ,  G03C1/83 ,  G03C5/26

    CPC classification number: G03C1/832 ,  C09B23/005 ,  C09B23/0091 ,  Y10S430/159 ,  Y10S430/164 ,  Y10S430/167

    Abstract: The synthesis and the application of new dyes is described, said new dyes being incorporated in non-migratory state in hydrophilic colloid layers of photographic materials wherefrom they can be rapidly removed after being quickly decolorized in alkaline aqueous liquids used in the processing of said materials. The filter dyes have an amide function or a derivative therefrom as a substituent at the mono- or trimethine chain.

    Abstract translation: 描述了新染料的合成和应用，所述新染料以照相材料的亲水胶体层并入非迁移状态，在用于所述材料的处理中的碱性水性液体中快速脱色之后，可快速除去新染料。 过滤染料具有酰胺官能团或其衍生物作为单或三甲基链上的取代基。

    Colour laser marking of articles and security document precursors
    19.
    发明授权
    Colour laser marking of articles and security document precursors 有权
    物品和安全文件前体的彩色激光打标

    公开(公告)号：US08912118B2

    公开(公告)日：2014-12-16

    申请号：US13885747

    申请日：2011-12-06

    Applicant: Paul Callant ,  Ingrid Geuens ,  Bart Waumans ,  Hubertus Van Aert

    Inventor： Paul Callant ,  Ingrid Geuens ,  Bart Waumans ,  Hubertus Van Aert

    IPC: B41M3/14 ,  B41M5/26 ,  B41M5/327 ,  B41M5/333 ,  B41M5/34 ,  B42D15/00 ,  B41J2/44 ,  B41M5/30 ,  B41M5/323

    CPC classification number: B41M5/323 ,  B41J2/442 ,  B41M3/142 ,  B41M5/267 ,  B41M5/30 ,  B41M5/327 ,  B41M5/3275 ,  B41M5/3336 ,  B41M5/34 ,  B42D25/29 ,  B42D25/382 ,  B42D25/435 ,  B42D2033/30 ,  Y10S430/146 ,  Y10T428/24802

    Abstract: A method of color laser marking an article having a polymeric foil with at least one colorless layer containing an infrared absorber, a polymeric binder and a color forming compound; including the steps of:—laser marking the colorless layer with an infrared laser using a first laser operation mode to generate a blue or cyan color; and—laser marking the same colorless layer with an infrared laser using a second laser operation mode to generate a black color, wherein the first laser operation mode applies less energy to the colorless layer than the second laser operation mode. Also disclosed is an article, such as a security document, including a polymeric foil and a colorless layer containing laser marked graphical data having a blue or cyan color and laser marked information having a black color.

    Abstract translation: 一种彩色激光标记具有聚合物箔的制品的方法，其具有至少一个含有红外线吸收剂，聚合物粘合剂和成色化合物的无色层; 包括以下步骤：使用第一激光操作模式用红外激光激光标记无色层以产生蓝色或青色; 并且使用第二激光操作模式用红外激光器激发相同的无色层以产生黑色，其中所述第一激光操作模式对所述无色层施加比所述第二激光操作模式更少的能量。 还公开了一种诸如安全文件的物品，包括聚合物箔和含有激光的无色层，标记的具有蓝色或青色的图形数据和具有黑色的激光标记信息。

Patent Agency Ranking