利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

9 条记录 (耗时 0.021 秒)

    METHOD FOR FORMING LITHOGRAPHIC PRINTING PLATES
    2.
    发明授权
    METHOD FOR FORMING LITHOGRAPHIC PRINTING PLATES 有权
    用于生产平版印刷版的

    公开(公告)号：EP0939698B1

    公开(公告)日：2003-09-24

    申请号：EP98939401.0

    申请日：1998-08-14

    申请人： Kodak Polychrome Graphics LLC

    发明人： NGUYEN, My, T. ,  MERCHANT, Nishith ,  SHIMAZU, Ken-Ichi ,  PAPPAS, Peter, S. ,  HALLMAN, Robert, W. ,  KESSELMAN, Jerome, P. ,  SAVARIAR-HAUCK, Celin ,  HAUCK, Gerhard ,  TIMPE, Hans-Joachim

    IPC分类号： B41C1/10 ,  B41M5/36 ,  G03F7/004 ,  G03F7/023

    CPC分类号： B41C1/1008 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/24 ,  B41C2210/262 ,  B41M5/36 ,  B41M5/368 ,  Y10S430/107 ,  Y10S430/145

    摘要： A method for directly imaging a lithographic printing surface using infrared radiation without the requirement of pre- or post-UV-light exposure, or heat treatment employs a printing plate which contains a support with a hydrophilic surface overcoated with an imaging layer. The imaging layer contains at least one polymer having bonded pendent groups which are hydroxy, carboxylic acid, tert-butyl-oxycarbonyl, sulfonamide, amide, nitrile, urea, or combinations thereof; as well as an infrared absorbing compound. The imaging layer may contain a second polymer which has bonded pendent groups which are 1,2-naphthoquinone diazide, hydroxy, carboxylic acid, sulfonamide, hydroxymethyl amide, alkoxymethyl amide, nitrile, maleimide, urea, or combinations thereof. The imaging layer may also contain a visible absorption dye, a solubility inhibiting agent, or both. In practice, the imaging layer is imagewise exposed to infrared radiation to produce exposed image areas in the imaged layer which have transient solubility in aqueous alkaline developing solution so that solubility is gradually lost over a period of time until the imaged areas become as insoluble as non-imaged areas. Within a short time period of the imaging exposure, the imaged layer is developed with an aqueous alkaline developing solution to form the lithographic printing surface. In this method, the infrared radiation preferably is laser radiation which is digitally controlled.

    PROCESSLESS, LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATE
    3.
    发明授权
    PROCESSLESS, LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATE 有权
    过程中游离FLAT压力板激光成像

    公开(公告)号：EP1015244B1

    公开(公告)日：2002-03-13

    申请号：EP98939400.2

    申请日：1998-08-14

    申请人： Kodak Polychrome Graphics

    发明人： NGUYEN, My, T. ,  SARAIYA, Shashikant ,  SHIMAZU, Ken-Ichi ,  PAPPAS, S., Peter ,  NATU, Omkar, J. ,  HALLMANN, Robert

    IPC分类号： B41C1/10 ,  B41N1/00 ,  B41M5/36

    CPC分类号： B41M5/368 ,  B41C1/1033 ,  B41N1/006

    摘要： A lithographic printing surface is prepared using a thermal lithographic printing plate which requires no chemical development to remove areas of the imaged plate. The processless thermal lithographic printing plate has a sheet substrate; a porous, aluminosilicate hydrophilic layer on the sheet substrate; and a porous, thermally reactive imaging layer on the hydrophilic layer. The imaging layer is imaged using infrared laser radiation to produce an imaged layer. The imaged layer is treated with a conditioner liquid to produce a porous, planar, lithographic printing surface. By this method, the printing plate can be digitally imaged by infrared laser so that the imaged areas become ink receptive and the non-image area repel ink after simple treatment with a conditioner such as an aqueous surfactant solution such as a fountain solution containing an amphoteric surfactant.

    PROCESSLESS, LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATE
    8.
    发明公开
    PROCESSLESS, LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATE 有权
    过程中游离FLAT压力板激光成像

    公开(公告)号：EP1015244A1

    公开(公告)日：2000-07-05

    申请号：EP98939400.2

    申请日：1998-08-14

    申请人： Kodak Polychrome Graphics

    发明人： NGUYEN, My, T. ,  SARAIYA, Shashikant ,  SHIMAZU, Ken-Ichi ,  PAPPAS, S., Peter ,  NATU, Omkar, J. ,  HALLMANN, Robert

    IPC分类号： B41C1/10 ,  B41N1/00 ,  B41M5/36

    CPC分类号： B41M5/368 ,  B41C1/1033 ,  B41N1/006

    摘要： A lithographic printing surface is prepared using a thermal lithographic printing plate which requires no chemical development to remove areas of the imaged plate. The processless thermal lithographic printing plate has a sheet substrate; a porous, aluminosilicate hydrophilic layer on the sheet substrate; and a porous, thermally reactive imaging layer on the hydrophilic layer. The imaging layer is imaged using infrared laser radiation to produce an imaged layer. The imaged layer is treated with a conditioner liquid to produce a porous, planar, lithographic printing surface. By this method, the printing plate can be digitally imaged by infrared laser so that the imaged areas become ink receptive and the non-image area repel ink after simple treatment with a conditioner such as an aqueous surfactant solution such as a fountain solution containing an amphoteric surfactant.

    THERMAL LITHOGRAPHIC PRINTING PLATES
    9.
    发明公开
    THERMAL LITHOGRAPHIC PRINTING PLATES 有权
    热平版印板

    公开(公告)号：EP0939698A1

    公开(公告)日：1999-09-08

    申请号：EP98939401.0

    申请日：1998-08-14

    申请人： Kodak Polychrome Graphics LLC

    发明人： NGUYEN, My, T. ,  MERCHANT, Nishith ,  SHIMAZU, Ken-Ichi ,  PAPPAS, Peter, S. ,  HALLMAN, Robert, W. ,  KESSELMAN, Jerome, P. ,  SAVARIAR-HAUCK, Celin ,  HAUCK, Gerhard ,  TIMPE, Hans-Joachim

    IPC分类号： B41C1 ,  B41M5

    CPC分类号： B41C1/1008 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/24 ,  B41C2210/262 ,  B41M5/36 ,  B41M5/368 ,  Y10S430/107 ,  Y10S430/145

    摘要： A method for directly imaging a lithographic printing surface using infrared radiation without the requirement of pre- or post-UV-light exposure, or heat treatment employs a printing plate which contains a support with a hydrophilic surface overcoated with an imaging layer. The imaging layer contains at least one polymer having bonded pendent groups which are hydroxy, carboxylic acid, tert-butyl-oxycarbonyl, sulfonamide, amide, nitrile, urea, or combinations thereof; as well as an infrared absorbing compound. The imaging layer may contain a second polymer which has bonded pendent groups which are 1,2-naphthoquinone diazide, hydroxy, carboxylic acid, sulfonamide, hydroxymethyl amide, alkoxymethyl amide, nitrile, maleimide, urea, or combinations thereof. The imaging layer may also contain a visible absorption dye, a solubility inhibiting agent, or both. In practice, the imaging layer is imagewise exposed to infrared radiation to produce exposed image areas in the imaged layer which have transient solubility in aqueous alkaline developing solution so that solubility is gradually lost over a period of time until the imaged areas become as insoluble as non-imaged areas. Within a short time period of the imaging exposure, the imaged layer is developed with an aqueous alkaline developing solution to form the lithographic printing surface. In this method, the infrared radiation preferably is laser radiation which is digitally controlled.