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    Process for making lithographic printing plate
    241.
    发明授权
    Process for making lithographic printing plate 有权
    平版印刷版制作工艺

    公开(公告)号：US08632953B2

    公开(公告)日：2014-01-21

    申请号：US12565391

    申请日：2009-09-23

    Applicant: Keisuke Arimura

    Inventor： Keisuke Arimura

    IPC: G03F7/00 ,  G03F7/26 ,  B41M5/00 ,  G03C5/26

    CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A process for making a lithographic printing plate, comprising: an exposure step of imagewise exposing a lithographic printing plate precursor that comprises, above a hydrophilic support, a photosensitive layer comprising (A) a compound that generates a radical upon the application of light or heat, (B) a polymer having an aromatic carboxy group in a side chain, (C) a polymerizable compound, and (D) an infrared absorber; and a development processing step using one type of processing liquid, wherein the processing liquid has a pH of 8.5 to 10.8.

    Abstract translation: 一种制备平版印刷版的方法，包括：曝光步骤，将平版印刷版前体成像曝光，所述平版印刷版前体在亲水性载体之上包括感光层，所述感光层包含（A）在施加光或热时产生自由基的化合物 ，（B）侧链具有芳香族羧基的聚合物，（C）聚合性化合物，（D）红外线吸收剂等。 以及使用一种处理液的显影处理步骤，其中处理液的pH为8.5至10.8。

    Negative-working lithographic printing plate precursor and method of lithographic printing using same
    242.
    发明授权
    Negative-working lithographic printing plate precursor and method of lithographic printing using same 有权
    负性平版印刷版原版及使用其的平版印刷方法

    公开(公告)号：US08399172B2

    公开(公告)日：2013-03-19

    申请号：US12549549

    申请日：2009-08-28

    Applicant: Norio Aoshima ,  Kazuo Maemoto

    Inventor： Norio Aoshima ,  Kazuo Maemoto

    IPC: G03F7/027 ,  G03F7/00

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A negative-working lithographic printing plate precursor is disclosed that can be developed on the press without going through a development processing step, and a method of lithographic printing is also disclosed that uses this negative-working lithographic printing plate precursor. Also disclosed are a negative-working lithographic printing plate precursor that can be developed by a water-soluble resin-containing aqueous solution and a method of lithographic printing that uses this negative-working lithographic printing plate precursor. A negative-working lithographic printing plate precursor is provided that exhibits an excellent fine line reproducibility in nonimage areas even when printing is performed using ultraviolet-curing ink (UV ink). Also provided is a negative-working lithographic printing plate precursor that exhibits an excellent combination of fine line reproducibility and printing durability and that resists the production of scum during on-press development. The negative-working lithographic printing plate precursor has a support and has thereon a photopolymerizable layer that contains a polymer compound that has the urea bond in the main chain and a hydrophilic group and a carboxylic acid content less than 0.05 meq/g. The method of lithographic printing uses this negative-working lithographic printing plate precursor.

    Abstract translation: 公开了一种负性平版印刷版原版，其可以在印刷机上显影而不经过显影处理步骤，并且还公开了使用该负性平版印刷版原版的平版印刷方法。 还公开了可以通过含水溶性树脂的水溶液显影的负性平版印刷版原版和使用该负性平版印刷版原版的平版印刷法。 即使在使用紫外线固化油墨（UV油墨）进行印刷的情况下，也提供了在非图像区域中表现出优异的细线再现性的负性平版印刷版原版。 还提供了一种负极平版印刷版原版，其显示细线再现性和印刷耐久性的优异组合，并且抵抗了印刷机中的浮渣的生成。 负性平版印刷版原版具有支撑体，在其上具有包含在主链中具有尿素键的亲水性基团和羧酸含量小于0.05meq / g的高分子化合物的光聚合性层。 平版印刷方法使用这种负性平版印刷版原版。

    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND METHOD OF MANUFACTURING LITHOGRAPHIC PRINTING PLATE
    243.
    发明申请
    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND METHOD OF MANUFACTURING LITHOGRAPHIC PRINTING PLATE 审中-公开
    平版印刷机前驱体和制造平版印刷板的方法

    公开(公告)号：US20130052584A1

    公开(公告)日：2013-02-28

    申请号：US13593250

    申请日：2012-08-23

    Applicant: Yu IWAI

    Inventor： Yu IWAI

    IPC: G03F7/11 ,  G03F7/20

    CPC classification number: G03F7/11 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

    Abstract: Provided is a lithographic printing plate precursor excellent in the printing durability, staining resistance and developability. The lithographic printing plate precursor comprises, on a support, an image recording layer, and an undercoat layer provided between the support and the image recording layer, the undercoat layer containing a polymer compound (D) composed of repeating units, the polymer compound (D) having, at the terminal of the principal chain thereof, a group having one or more groups selected from hydrophilic group and radical-polymerizable ethylenic unsaturated group, and each repeating unit having, as a side chain bound to the principal chain, one or more groups selected from support-adsorptive groups.

    Abstract translation: 提供了印刷耐久性，耐污染性和显影性优异的平版印刷版原版。 平版印刷版原版在载体上包含图像记录层和设置在载体和图像记录层之间的底涂层，底涂层含有由重复单元构成的高分子化合物（D），高分子化合物（D ），其主链的末端具有一个选自亲水基团和可自由基聚合的烯属不饱和基团中的一个或多个基团的基团，并且每个重复单元具有作为与主链结合的侧链的一个或多个 选自支持物吸附组的组。

    METHOD FOR MANUFACTURING A PLANOGRAPHIC PRINTING PLATE
    244.
    发明申请
    METHOD FOR MANUFACTURING A PLANOGRAPHIC PRINTING PLATE 审中-公开
    制作平面印刷版的方法

    公开(公告)号：US20130004897A1

    公开(公告)日：2013-01-03

    申请号：US13578627

    申请日：2011-02-18

    Applicant: Yuichi Shiraishi

    Inventor： Yuichi Shiraishi

    IPC: G03F7/20

    CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41C2210/266 ,  G03F7/095

    Abstract: A method of manufacturing a planographic printing plate is provided in which, even when an alkaline developer having a relatively low pH is used, the development property is excellent and the generation of development scum over time is inhibited. The manufacturing method includes, in this order: subjecting a positive-working planographic printing plate precursor having an image recording layer on a support to imagewise light exposure, the image recording layer including a lower layer containing an infrared absorbing agent, an alkali-soluble resin, and a copolymer at least including a structural unit derived from acrylonitrile and a structural unit derived from styrene, and an upper layer containing a water-insoluble and alkali-soluble resin; and developing the positive-working planographic printing plate precursor after the light exposure by using an aqueous alkali solution which has a pH of 8.5 to 10.8 and contains an anionic surfactant.

    Abstract translation: 提供一种平版印刷版的制造方法，其中，即使使用pH值较低的碱性显影剂，显影性也优异，抑制了显影浮渣的产生。 该制造方法按照以下顺序：将具有载体上的图像记录层的正性平版印刷版原版进行成像曝光，所述图像记录层包括含有红外线吸收剂的下层，碱溶性树脂 和至少包含衍生自丙烯腈的结构单元和衍生自苯乙烯的结构单元的共聚物，以及含有水不溶性和碱溶性树脂的上层; 并且通过使用pH为8.5〜10.8的含水碱性溶液并且含有阴离子表面活性剂，在曝光后显影正性平版印刷版原版。

    Plate making method of lithographic printing plate precursor
    245.
    发明授权
    Plate making method of lithographic printing plate precursor 有权
    平版印刷版前体的制版方法

    公开(公告)号：US08304171B2

    公开(公告)日：2012-11-06

    申请号：US12563812

    申请日：2009-09-21

    Applicant: Tomoya Sasaki

    Inventor： Tomoya Sasaki

    IPC: G03F7/00 ,  G03F7/26 ,  B41N1/00 ,  B41F7/00

    CPC classification number: G03F7/3035 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/105

    Abstract: A plate making method of a lithographic printing plate precursor includes: exposing imagewise a lithographic printing plate precursor including a support and an image-forming layer and containing (A) a compound generating an acid with light or heat, (B) an aromatic hydrocarbon compound or heterocyclic compound substituted with a functional group containing a nitrogen atom and (C) an aromatic aldehyde protected with an acid-decomposable group; and removing an unexposed area of the image-forming layer of the lithographic printing plate precursor by supplying at least one of dampening water and ink on a cylinder of a printing machine.

    Abstract translation: 平版印刷版原版的制版方法包括：对包含载体和图像形成层的平版印刷版原版进行成像曝光，并含有（A）产生酸或光的化合物，（B）芳族烃化合物 或被含有氮原子的官能团取代的杂环化合物和（C）用酸可分解基团保护的芳族醛; 以及通过在印刷机的圆筒上提供润湿水和油墨中的至少一个来去除平版印刷版原版的图像形成层的未曝光区域。

    Lithographic printing plate precursor and process for producing lithographic printing plate
    246.
    发明授权
    Lithographic printing plate precursor and process for producing lithographic printing plate 有权
    平版印刷版原版和平版印刷版制作工艺

    公开(公告)号：US08304168B2

    公开(公告)日：2012-11-06

    申请号：US12564481

    申请日：2009-09-22

    Applicant: Yoshinori Taguchi

    Inventor： Yoshinori Taguchi

    IPC: G03F7/027 ,  G03F7/32

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A lithographic printing plate precursor is provided that includes, above a support, a photosensitive layer including (i) a binder polymer, (ii) an ethylenically unsaturated compound, and (iii) a polymerization initiator, the ethylenically unsaturated compound (ii) including a compound represented by Formula (1) below. (In Formula (1), L denotes an (m+n)-valent linking group, the Ds independently denote a group selected from the group consisting of groups represented by Formulae (A) to (D) below, the Rs independently denote a monovalent substituent, m denotes an integer of 1 to 20, and n denotes an integer of 2 to 20.) (In Formulae (A) to (D), X, Y, and Z independently denote an oxygen atom, a sulfur atom, or NR17, R4 to R14 and R17 independently denote a hydrogen atom or a monovalent substituent, R15 denotes a hydrogen atom or a methyl group, R16 denotes a monovalent substituent, and k denotes an integer of 0 to 4.) There is also provided a process for producing a lithographic printing plate, including an exposure step of imagewise exposing the lithographic printing plate precursor and a development step of removing the photosensitive layer of a non-exposed portion in the presence of a developer having buffering capacity.

    Abstract translation: 提供了一种平版印刷版前体，其在载体上方包括感光层，其包含（i）粘合剂聚合物，（ii）烯属不饱和化合物和（iii）聚合引发剂，所述烯属不饱和化合物（ii）包括 由下式（1）表示的化合物。 （式（1）中，L表示（m + n）价的连接基，Ds独立地表示选自下述式（A）〜（D）所示的基团的基团，Rs独立地表示 一元取代基，m表示1〜20的整数，n表示2〜20的整数。）（式（A）〜（D）中，X，Y，Z分别表示氧原子，硫原子， 或NR 17，R 4至R 14和R 17独立地表示氢原子或一价取代基，R 15表示氢原子或甲基，R 16表示一价取代基，k表示0〜4的整数。）另外， 制造平版印刷版的方法，包括使平版印刷版原版成像曝光的曝光步骤和在具有缓冲能力的显影剂的存在下除去非曝光部分的感光层的显影步骤。

    Planographic printing plate precursor and method of producing a copolymer used therein
    249.
    发明授权
    Planographic printing plate precursor and method of producing a copolymer used therein 有权
    平版印刷版前体及其制备方法

    公开(公告)号：US08124317B2

    公开(公告)日：2012-02-28

    申请号：US12233988

    申请日：2008-09-19

    Applicant: Toyohisa Oya ,  Shigefumi Kanchiku ,  Keisuke Arimura

    Inventor： Toyohisa Oya ,  Shigefumi Kanchiku ,  Keisuke Arimura

    IPC: G03F7/09 ,  G03F7/11 ,  G03F7/027

    CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  C08F8/44 ,  C08F220/06 ,  C08F220/26 ,  C08F220/56 ,  C08F220/02

    Abstract: A planographic printing plate precursor having an intermediate layer containing a copolymer containing structural units represented by Formulae (1), (2) and (3) below, and a image forming layer, in this order on a support, wherein R1, R2 and R3 each represent a hydrogen atom, a substituent having from 1 to 30 carbon atoms, or a halogen atom, L1 represents a single bond or a (n+1)-valent connecting group, n represents an integer of from 0 to 10, L2 represents a single bond or a (m+1)-valent connecting group, X represents a carboxylate ion, M represents a counter cation necessary for neutralization of charge, m represents an integer of from 1 to 10, and Y represents a substituent having from 0 to 30 carbon atoms, provided that Y does not represent a carboxy group and does not represent the same constituent as (XM).

    Abstract translation: 一种平版印刷版原版，其具有含有含有下述式（1），（2）和（3）表示的结构单元的共聚物的中间层和依次在载体上的成像层，其中R1，R2和R3 各自表示氢原子，碳原子数1〜30的取代基或卤素原子，L1表示单键或（n + 1）价连接基，n表示0〜10的整数，L 2表示 单键或（m + 1）价连接基团，X表示羧酸根离子，M表示中和电荷所需的抗衡阳离子，m表示1〜10的整数，Y表示0以上的取代基 30个碳原子，条件是Y不表示羧基并且不表示与（XM）相同的成分。

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