专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US06183923B2 Lithographic printing plate precursor and method for preparing lithographic printing plate using the same 失效
标题翻译：平版印刷版原版和使用该平版印刷版的平版印刷版的制备方法
公开(公告)号：US06183923B2
公开(公告)日：2001-02-06
申请号：US09251880
申请日：1999-02-17
申请人： Eiichi Kato , Seishi Kasai
发明人： Eiichi Kato , Seishi Kasai
IPC分类号： G03G500
CPC分类号： G03G13/286 , B41C1/1066 , G03G13/26 , G03G13/28 , G03G13/283 , Y10T428/24802 , Y10T428/256
摘要： A lithographic printing plate precursor is disclosed, comprising a water-resistant support having provided thereon an image-receiving layer, wherein the image-receiving layer comprises anatase-type titanium oxide grains and a binder resin comprising a complex composed of an organometallic polymer and an organic polymer containing at least one member selected from the group consisting of an amido bond, a urethane bond, a ureido bond and a hydroxy group, the surface of the image-receiving layer has a contact angle with water of at least 25 degrees and the contact angle with water thereof is reduced to 15 degrees or below when it is irradiated with ultraviolet light, and further, a method for preparing the lithographic printing plate precursor and a method for preparing a lithographic printing plate by using the lithographic printing plate precursor are disclosed.
摘要翻译：公开了一种平版印刷版原版，其包括在其上设置有图像接收层的防水支撑体，其中图像接收层包括锐钛矿型氧化钛颗粒和包含由有机金属聚合物和含有选自酰氨基键，氨基甲酸酯键，脲基键和羟基中的至少一种的有机聚合物，图像接收层的表面与水的接触角至少为25度，公开了当用紫外线照射时，与水的接触角降低到15度以下，此外，公开了使用平版印刷版原版制备平版印刷版原版的方法和制备平版印刷版的方法。

12. 发明授权

US5965660A Desensitizing solution for lithography 失效
标题翻译：用于光刻的脱敏溶液
公开(公告)号：US5965660A
公开(公告)日：1999-10-12
申请号：US828967
申请日：1997-03-27
申请人： Seishi Kasai , Ryosuke Itakura , Eiichi Kato
发明人： Seishi Kasai , Ryosuke Itakura , Eiichi Kato
IPC分类号： B41N3/08 , G03G13/28 , C08L41/00
CPC分类号： G03G13/28 , B41N3/08
摘要： A desensitizing solution for lithography is disclosed which contains at least one member selected from acyclic amine and ammonium compounds each containing specific structures. The desensitizing solution does not cause environmental pollution, is stable to long-term storage, continuous use, and fluctuations in environmental conditions, is effective in reducing the time required for etching treatment, and has excellent desensitization performance.
摘要翻译：公开了一种用于光刻的脱敏溶液，其包含至少一种选自各种含有特定结构的无环胺和铵化合物的成员。脱敏溶液不会引起环境污染，对于长期储存，连续使用和环境条件的波动是稳定的，有效减少蚀刻处理所需的时间，并且具有优异的脱敏性能。

13. 发明授权

US5714289A Method of preparation of electrophotographic printing plate 失效
标题翻译：电子照相印版的制备方法
公开(公告)号：US5714289A
公开(公告)日：1998-02-03
申请号：US457604
申请日：1995-06-01
申请人： Eiichi Kato , Sadao Osawa , Seishi Kasai
发明人： Eiichi Kato , Sadao Osawa , Seishi Kasai
IPC分类号： G03G5/147 , G03G13/28
CPC分类号： G03G13/283 , G03G5/14786
摘要： A method for preparation of an electrophotographic printing plate which can provide a printing plate excellent in image qualities of plate-making and printing, and continuously produce such printing plates in a stable manner for a long period of time and which is suitable for a scanning exposure system using a laser beam. The method comprises forming a toner image by an electrophotographic process on a peelable transfer layer of an electrophotographic light-sensitive material which comprises an electrophotographic light-sensitive element a surface of which has releasability and the peelable transfer layer provided on the surface thereof which contains a thermoplastic resin capable of being removed upon a chemical reaction treatment, thermally transferring the toner image together with the transfer layer onto a support for a lithographic printing plate and removing the thermoplastic resin upon a treatment, for example, with an aqueous alkaline solution, whereby a printing plate is obtained.
摘要翻译：一种电子照相印版的制备方法，其可以提供制版和印刷图像质量优异的印刷版，并且以长时间稳定的方式连续生产这种印版，并且适合于扫描曝光系统使用激光束。该方法包括通过电子照相方法在电子照相感光材料的可剥离转印层上形成调色剂图像，该电子照相感光材料的表面具有可释放性的电子照相感光元件和其表面上设置的可剥离转印层，其含有能够在化学反应处理时被去除的热塑性树脂，将调色剂图像与转印层一起热转印到平版印刷版的载体上，并且例如用碱性水溶液处理除去热塑性树脂，由此得到印版。

14. 发明授权

US5229240A Electrophotographic light-sensitive material 失效
公开(公告)号：US5229240A
公开(公告)日：1993-07-20
申请号：US701909
申请日：1991-05-17
申请人： Eiichi Kato , Seishi Kasai , Kazuo Ishii
发明人： Eiichi Kato , Seishi Kasai , Kazuo Ishii
IPC分类号： C08L33/04 , C08L33/06 , C08L101/00 , G03G5/05 , G03G5/087 , G03G13/28
CPC分类号： G03G5/0589 , G03G5/0592
摘要： An electrophotographic light-sensitive material comprising a support having provided thereon a photoconductive layer containing at least an inorganic photoconductive substance, a spectral sensitizer and a binder resin, wherein the binder resin contains (1) at least one resin (Resin (A)) having a weight average molecular weight of from 1.times.10.sup.3 to 1.times.10.sup.4 which contains at least 30% by weight of a polymer component represented by the general formula (I) described below and from 0.1 to 10% by weight of a polymer component containing at least one acidic group selected from ##STR1## (wherein R represents a hydrocarbon group or --OR' (wherein R' represents a hydrocarbon group) and a cyclic acid anhydride-containing group, and (2) at least one resin (Resin (B)) having a weight average molecular weight of 5.times.10.sup.4 or more, containing a recurring unit represented by the general formula (III) described below as a copolymer component, and having a crosslinked structure made before the preparation of a dispersion for forming the photoconductive layer: ##STR2##

15. 发明授权

US5041348A Electrophotographicc lithographic printing plate precursor 失效
标题翻译：电子照相平版印刷版前体
公开(公告)号：US5041348A
公开(公告)日：1991-08-20
申请号：US592388
申请日：1990-10-03
申请人： Eiichi Kato , Akio Oda , Seishi Kasai
发明人： Eiichi Kato , Akio Oda , Seishi Kasai
IPC分类号： G03G5/05 , G03G13/28
CPC分类号： G03G5/0589 , G03G13/28
摘要： An electrophotographicc lithographic printing plate precursor, in which the effect by the hydrophilic property of non-image areas is further improved, and which is stable during storage even under very severe conditions and capable of readily realizing the hydrophilic property in a short time during processing of rendering hydrophilic is provided, which utilizes an electrophotograhic photoreceptor comprising a conductive support having provided thereon at least one photoconductive layer containing photoconductive zinc oxide and a binder resin, wherein said binder resin comprises at least one resin containing at least one polymeric component having at least one of functional groups represented by the following General Formula (I) and General Formula (II): ##STR1## wherein --W.sub.1 -- and --W.sub.2 -- each represent --SO.sub.2 --, --CO-- or --OOC--, n.sub.1 and n.sub.2 each represent 0 or 1 and X represents a halogen atom.

16. 发明授权

US06386104B1 Under sheet for lithographic printing plate 失效
标题翻译：平版印刷版底片
公开(公告)号：US06386104B1
公开(公告)日：2002-05-14
申请号：US09709546
申请日：2000-11-13
申请人： Seishi Kasai , Eiichi Kato
发明人： Seishi Kasai , Eiichi Kato
IPC分类号： B41N600
CPC分类号： B41N6/00
摘要： An under sheet for a lithographic printing plate which has an initial modulus of elasticity of 34×108 Pa or more, and has concavities and convexities having a central line average roughness (Ra) of less than 2 &mgr;m and Ra/Rz of 0.05 or more on the surface in contact with the back surface of the lithographic printing plate.
摘要翻译：一种用于平版印刷版的底片，其初始弹性模量为34×10 8 Pa以上，并且具有中心线平均粗糙度（Ra）小于2μm的凹凸和Ra / Rz为0.05以上的凹凸表面与平版印刷版的背面接触。

17. 发明授权

US06231988B1 Lithographic printing plate precursor and method of preparing lithographic printing plate using the same 失效
标题翻译：平版印刷版原版及使用其制备平版印刷版的方法
公开(公告)号：US06231988B1
公开(公告)日：2001-05-15
申请号：US09152922
申请日：1998-09-14
申请人： Eiichi Kato , Seishi Kasai
发明人： Eiichi Kato , Seishi Kasai
IPC分类号： B32B904
CPC分类号： B41C1/1058 , B41C1/1066 , G03G13/28 , G03G13/283 , G03G13/286 , Y10T428/256 , Y10T428/31 , Y10T428/31663
摘要： A lithographic printing plate precursor comprising a waterproof support having thereon an image-receiving layer, wherein the image-receiving layer comprises at least anatase-type titanium oxide grains and a resin having a siloxane bond in which silicon atoms are linked via an oxygen atom, the surface of the image-receiving layer has at least 25 degrees of contact angle with water and the contact angle with water is reduced to 15 degrees or below when it is irradiated with ultraviolet light: and a method for preparing a lithographic printing plate from the aforesaid lithographic printing plate precursor, which comprises forming a colored image on the image-receiving layer of the printing plate precursor by utilizing an electrophotographic recording system or an ink jet recording system and desensitizing the image-receiving layer by overall irradiation with ultraviolet light to change the non-image area to a water-receptive surface.
摘要翻译：一种平版印刷版原版，其特征在于，具有防水载体，其上具有图像接收层，其中所述图像接收层至少包含锐钛矿型氧化钛颗粒和具有硅氧烷键的树脂，其中硅原子通过氧原子连接，图像接收层的表面与水的接触角至少为25度，并且当用紫外线照射时，与水的接触角降低到15度以下;以及从该光刻胶制备平版印刷版的方法上述平版印刷版原版，其包括通过利用电子照相记录系统或喷墨记录系统在印版前体的图像接收层上形成着色图像，并且通过用紫外光整体照射来使图像接收层脱敏以改变非图像区域到接受水的表面。

18. 发明授权

US5939228A Direct drawing type lithographic printing plate precursor 失效
标题翻译：直接绘图型平版印刷版前体
公开(公告)号：US5939228A
公开(公告)日：1999-08-17
申请号：US787584
申请日：1997-01-22
申请人： Hiroshi Tashiro , Seishi Kasai , Eiichi Kato
发明人： Hiroshi Tashiro , Seishi Kasai , Eiichi Kato
IPC分类号： G03G5/05 , G03G5/08 , G03G13/28 , G03G5/087
CPC分类号： G03G5/0514 , G03G13/28 , G03G5/0517 , G03G5/0521 , Y10T428/24413
摘要： A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon an image-receiving layer, wherein the image-receiving layer is formed by film coating a dispersion prepared by wet dispersion processing, with a dispersion medium of a nonaqueous solvent, a mixture comprising at least dry zinc oxide, a binder resin and an organic compound which is soluble in the dispersion medium and contains at least one acid group selected from the group consisting of --CO.sub.2 H, --SO.sub.3 H and --PO.sub.3 H.sub.2, adding a water-soluble low molecular weight organic compound containing at least two or more --PO.sub.3 H.sub.2 groups, which can form a chelate compound with a zinc ion, and further effecting wet dispersion processing.
摘要翻译：包括在其上设置有图像接收层的耐水支撑体的直接拉伸型平版印刷版原版，其中，图像接收层通过将通过湿分散处理制备的分散体膜涂覆在非水溶剂的分散介质上而形成，至少包含干燥的氧化锌，粘合剂树脂和可溶于分散介质并含有至少一种选自-CO 2 H，-SO 3 H和-PO 3 H 2的酸基的有机化合物的混合物，含有至少两个以上的PO 3 H 2基团的可溶性低分子量有机化合物，其可以与锌离子形成螯合化合物，并进一步进行湿分散处理。

19. 发明授权

US5342716A Electrophotographic lithographic printing plate precursor 失效
标题翻译：电子照相平版印刷版前体
公开(公告)号：US5342716A
公开(公告)日：1994-08-30
申请号：US946320
申请日：1992-10-22
申请人： Eiichi Kato , Seishi Kasai
发明人： Eiichi Kato , Seishi Kasai
IPC分类号： G03G5/05
CPC分类号： G03G5/0596 , G03G5/0589
摘要： An electrophotographic lithographic printing plate precursor having a photoconductive layer containing resin (A) having a weight average molecular weight of from 1.times.10.sup.3 to 2.times.10.sup.4 and containing a polymer component of the specified repeating unit and a polymer component having a polar group and dispersed resin grain (L) which is obtained by dispersion polymerization of monomer (C) containing a functional group capable of forming a carboxy group upon decomposition in the presence of a dispersion stabilizing resin soluble in a non-aqueous solvent and which has a silicon and/or fluorine atom-containing substituent.The electrophotographic lithographic printing plate precursor has good electrophotographic characteristics and water retentivity due to the suitable interaction between zinc oxide, a spectral sensitizing dye, the resin (A) and the dispersed resin grain (L) and provides a printing plater having excellent printing image and good printing durability even under severe conditions. Also, it is advantageously employed in the scanning exposure system using a semiconductor laser beam.
摘要翻译： PCT No.PCT / JP92 / 00188 Sec。 371日期：1992年10月22日 102（e）日期1992年10月22日PCT提交1992年2月21日PCT公布。 WO92 / 15048 PCT公开日本9月3日，1992。一种电子照相平版印刷版原版，其具有含有重均分子量为1×10 3〜2×10 4的含有树脂（A）的光电导层，并含有规定重复单元的聚合物成分和具有极性的聚合物成分在可溶于非水溶剂中的分散稳定树脂存在下，通过分解含有能够形成羧基的官能团的单体（C）获得的组分散树脂颗粒（L）硅和/或含氟原子的取代基。电子照相平版印刷版原版由于氧化锌，光谱增感染料，树脂（A）和分散树脂颗粒（L）之间的适当相互作用而具有良好的电子照相特性和保水性，并且提供了具有优异印刷图像的印刷机和良好的印刷耐久性甚至在恶劣的条件下。此外，它有利地用于使用半导体激光束的扫描曝光系统中。

20. 发明授权

US5154997A Electrophotographic light-sensitive material 失效
公开(公告)号：US5154997A
公开(公告)日：1992-10-13
申请号：US661150
申请日：1991-02-27
申请人： Eiichi Kato , Seishi Kasai , Kazuo Ishii
发明人： Eiichi Kato , Seishi Kasai , Kazuo Ishii
IPC分类号： C08F299/00 , C08L29/00 , C08L29/10 , C08L33/04 , C08L33/06 , G03G5/05 , G03G5/08 , G03G5/087 , G03G13/28
CPC分类号： G03G5/0546 , G03G5/0589
摘要： An electrophotographic light-sensitive material is disclosed. The light-sensitive material comprises a support having provided thereon a photoconductive layer containing at least one inorganic photoconductive substance, a spectral sensitizer, and a binder resin which contains at least one binder resin (A) and at least one binder resin (B) as defined in the specification. The light-sensitive material is excellent in electrostatic charging characteristics and pre-exposure fatigue resistance.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式