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51. 发明授权

US5077165A 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：US5077165A
公开(公告)日：1991-12-31
申请号：US538053
申请日：1990-06-13
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G5/05 , G03G5/08 , G03G13/28
CPC分类号： G03G5/0596 , G03G5/0589
摘要： A lithographic printing plate precursor excellent in oil-desensitivity, whereby an original is faithfully reproduced without occurrence of overall or spotted stains as an offset master is provided, which comprises an electrically conductive support and at least one photoconductive layer, provided thereon, containing photoconductive zinc oxide and a binder resin, in which said photoconductive layer contains hydrophilic resin grains having an average grain diameter of same as or smaller than the maximum grain diameter of said photoconductive zinc oxide grains, and said binder resin contains at least one of Resin A having a weight average molecular weight of 1.times.10.sup.3 to 2.times.10.sup.4 and Resin B having a weight average molecular weight of at least 3.times.10.sup.4.
摘要翻译：提供油性敏感性优异的平版印刷版原版，由此原版被忠实地再现而不会出现作为偏移母版的全部或点状污渍，其包括导电性支持体和设置在其上的至少一个光电导层，其含有光导电性锌氧化物和粘合剂树脂，其中所述光电导层含有平均粒径等于或小于所述光电导氧化锌颗粒的最大晶粒直径的亲水性树脂颗粒，并且所述粘合剂树脂含有至少一种具有重均分子量为1×10 3〜2×10 4，树脂B的重均分子量为3×10 4以上。

52. 发明授权

US5049468A Liquid developers for electrostatic photography 失效
标题翻译：液体显影剂静电摄影
公开(公告)号：US5049468A
公开(公告)日：1991-09-17
申请号：US427423
申请日：1989-10-27
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G9/087 , G03G9/12 , G03G9/13
CPC分类号： G03G9/131
摘要： A liquid developer for an electrostatic photography comprising a non-aqueous solvent whose electrical resistance is at least 10.sup.9 .OMEGA.cm and whose dielectric constant not more than 3.5 with a resin dispersed wherein the dispersed resin particles are copolymer resin particles obtained by a polymerization reaction, of a solution which contains a monofunctional monomer (A) which is soluble in the non-aqueous solvent but which is rendered insoluble by polymerization and a monofunctional macromonomer (B) whose number average molecular weight is not more that 10.sup.4 obtained by bonding a polymerizable double bond group;to only one end of the main chain of a polymerin the presence of a soluble resin for dispersion stabilization purposes obtained by bonding an acid group to just one end of at least the polymer main chain.

53. 发明授权

US5035971A Electrostatic photographic liquid developer 失效
标题翻译：静电照相液体显影剂
公开(公告)号：US5035971A
公开(公告)日：1991-07-30
申请号：US427386
申请日：1989-10-27
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G9/087 , G03G9/12 , G03G9/13
CPC分类号： G03G9/131
摘要： An electrostatic photographic liquid developer comprising a nonaqueous solvent with an electric resistance of 10.sup.9 .OMEGA.cm or more and a dielectric constant of 3.5 or less, having a resin dispersed therein, wherein dispersion resin particles are copolymer resin particles obtained by the copolymerization reaction of solutions containing at least one monofunctional monomer (A) which is soluble in the nonaqueous solvent but which is rendered insoluble by polymerization, and monomer (B) which is represented by the general formula (II) below ##STR1## wherein R.sup.1 represents an aliphatic group with 8 or more carbon atoms;T represents --COO--, --CONH--, ##STR2## where R.sup.2 represents an aliphatic group, --OCO--, --CH.sub.2 COO-- or --O--; andb.sup.1 and b.sup.2, which may be the same or different, each represents a hydrogen atom, an alkyl group, a --COOR.sup.3 group or a --CH.sub.2 --COOR.sup.3 group, where R.sup.3 represents an aliphatic group, which contains an aliphatic group with 8 or more carbon atoms and which produces a copolymer by polymerization with monomer (A); in the presence of a dispersion stabilization resin which is soluble in the nonaqueous solvent, which comprises an acidic group selected from the group consisting of a --PO.sub.3 H.sub.2 group, an --SO.sub.3 H group, a --COOH group, an --OH group, an --SH group, or a ##STR3## group, where R.sup.0 denotes a hydrocarbon bonded only to one terminal of at least one main polymer chain and which is a polymer containing the repeating unit represented by the following general formula (I) ##STR4## wherein X.sup.1 represents --COO--, --OCO--, --CH.sub.2 OCO--, --CH.sub.2 COO--, --O-- or --SO.sub.2 --;Y.sup.1 represents an aliphatic group with 6 to 32 carbon atoms; anda.sup.1 and a.sup.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group with 1 to 8 carbon atoms, a--COO--Z.sup.1 group, or a --COO--Z.sup.1 group linked via a hydrocarbon group with 1 to 8 carbon atoms, where Z.sup.1 represents a hydrocarbon group with 1 to 22 carbon atoms; and wherein a portion of said polymer is crosslinked.

54. 发明授权

US5009975A Electrophotographic photoreceptor 失效
公开(公告)号：US5009975A
公开(公告)日：1991-04-23
申请号：US417105
申请日：1989-10-04
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G5/05
CPC分类号： G03G5/0592 , G03G5/0546 , G03G5/0589
摘要： An electrophotographic photoreceptor comprising a support having thereon at least one photoconductive layer containing at least an inorganic photoconductive material and a binder resin, wherein the binder resin contains(A) at least one resin having a weight average molecular weight of from 1.times.10.sup.3 to 3.times.10.sup.4 with at least one substituent selected from the group consisting of --PO.sub.3 H.sub.2, --SO.sub.3 H, --COOH, ##STR1## wherein R represents a hydrocarbon group having from 1 to 10 carbon atoms or --OR', wherein R' represents a hydrocarbon group having from 1 to 10 carbon atoms, and a cyclic acid anhydride-containing group, being bonded to one or both of the terminals of the polymer main chain thereof, and(B) at least one resin having a weight average molecular weight of 5.times.10.sup.4 or more and containing, as a polymerization component, at least a repeating unit represented by formula (b-i): ##STR2## wherein T represents --COO--, --OCO--, --CH.sub.2 OCO--, --CH.sub.2 COO--, --O-- or --SO.sub.2 --; V represents a hydrocarbon group having from 1 to 22 carbon atoms; and a.sub.1 and a.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group having from 1 to 8 carbon atoms, --COO--Z, or --COO--Z bonded via a hydrocarbon group having from 1 to 8 carbon atoms, wherein Z represents a hydrocarbon group having from 1 to 18 carbon atoms; and wherein said Resin (B) is partially crosslinked. The photoreceptor exhibits excellent electrostatic characteristics, image forming performance as well as printing suitability regardless of a change in environmental conditions or the kind of sensitizing dye used in combination with the photoreceptor.

55. 发明授权

US4954407A Electrophotographic photoreceptor comprising binder resin containing acidic groups 失效
标题翻译：包含含有酸性基团的粘合剂树脂的电子照相感光体
公开(公告)号：US4954407A
公开(公告)日：1990-09-04
申请号：US414334
申请日：1989-09-29
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G5/05
CPC分类号： G03G5/0589 , G03G5/0546 , Y10S430/111
摘要： An electrophotographic photoreceptor comprising a support having thereon at least one photoconductive layer containing at least inorganic photoconductive particles and a binder resin, wherein said binder resin has a weight average molecular weight of from 1.times.10.sup.3 to 5.times.10.sup.4 and comprises (A) at least one resin comprising, as a polymerization component, (a-i) not less than 30% by weight of at least one repeating unit represented by formula (I) or (II): ##STR1## wherein X.sub.1 and X.sub.2, which may be the same or different, each represents a hydrogen atom, a hydrocarbon group having from 1 to 10 carbon atoms, a chlorine atom, a bromine atom, --COY.sub.1 or --COOY.sub.2, wherein Y.sub.1 and Y.sub.2 each represents a hydrocarbon group having from 1 to 10 carbon atoms, provided that both X.sub.1 and X.sub.2 do not simultaneously represent a hydrogen atom; and W.sub.1 and W.sub.2 each represents a bond or a linking group containing from 1 to 4 linking atoms which connects --COO-- and the benzene ring, with at least one acidic group selected from the group consisting of (i) --PO.sub.3 H.sub.2, (ii) --SO.sub.3 H, (iii) --COOH, ##STR2## wherein R represents a hydrocarbon group having from 1 to 10 carbon atoms or --OR', wherein R' represents a hydrocarbon group having from 1 to 10 carbon atoms, and (v) a cyclic acid anhydride-containing group, being bonded to only one of the terminals of the polymer main chain thereof. The photoreceptor exhibits excellent electrostatic characateristics, image formation performance as well as printing suitability irrespective of variations in environmental conditions or the kind of sensitizing dyes used in combination with the photoreceptor.

56. 发明授权

US4880716A Electrophotographic lithographic printing plate precursor having resin outer layer 失效
标题翻译：具有树脂外层的电子照相平版印刷版原版
公开(公告)号：US4880716A
公开(公告)日：1989-11-14
申请号：US154547
申请日：1988-02-10
申请人： Eiichi Kato , Kazuo Ishii
发明人： Eiichi Kato , Kazuo Ishii
IPC分类号： G03G5/147
CPC分类号： G03G5/14786
摘要： An electrophotographic lithographic printing plate precursor comprising a conductive support having provided thereon at least one photoconductive layer and further provided thereon an outermost surface layer is disclosed, in which said surface layer contains at least one resin having at least one functional group capable of forming a carboxyl group upon decomposition which is represented by formula (I): ##STR1## wherein x is as defined in the specification. The surface layer can be rendered highly hydrophilic while exhibiting water resistance when subjected to oil-desensitization processing after toner image formation to provide a lithographic printing plate having excellent printing durability.

57. 发明授权

US4837102A Liquid developer for electrostatic photography 失效
标题翻译：静电摄影用液体显影剂
公开(公告)号：US4837102A
公开(公告)日：1989-06-06
申请号：US94612
申请日：1987-09-09
申请人： Shigeyuki Dan , Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Hidefumi Sera
发明人： Shigeyuki Dan , Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Hidefumi Sera
IPC分类号： G03G9/13
CPC分类号： G03G9/131 , G03G9/133 , Y10S430/105
摘要： A liquid developer for electrostatic photography comprising a carrier medium having an electrical resistivity of not less than 10.sup.9 106.cm and a dielectric constant of not more than 3.5 having dispersed therein at least a resin, wherein said resin is a copolymer resin obtained by copolymerizing (1) a solution containing at least one copolymer having an unsaturated bond obtained by copolymerizing at least one monomer (A) represented by formula (I) shown below and at least one monomer (B) represented by formula (II) shown below, and reacting the resulting copolymer with at least one monomer (C) represented by formula (III) shown below, (2) at least one monomer (D) which is soluble in the carrier medium but becomes insoluble upon polymerization, and (3) at least one monomer (E) represented by formula (IV) shown below to obtained a resin dispersion: ##STR1## wherein a.sub.1, a.sub.2 a.sub.3, b.sub.1, b.sub.2, b.sub.3, d.sub.1, d.sub.2, d.sub.3, e.sub.1, e.sub.2, e.sub.3, X, Y, V, Z, L, F, Q, G, R.sub.1, R.sub.2, R.sub.3, T.sub.1, T.sub.2, U, m and n are defined in the specification. The developer is excellent in redispersibility, preservability, stability, image reproducibility, and fixing properties and is capable of producing a master plate for offset printing having excellent printing durability.
摘要翻译：一种静电摄影用液体显影剂，其特征在于，具有电阻率为109×106.cm以上且介电常数不超过3.5的载体介质，其中至少分散有树脂，其中所述树脂是通过共聚（ 1）含有至少一种具有不饱和键的共聚物的溶液，其通过使至少一种由下述式（I）表示的单体（A）和至少一种如下所示的式（II）表示的单体（B）共聚而获得，所得共聚物与至少一种由下式（III）表示的单体（C），（2）至少一种可溶于载体介质但在聚合时变得不溶的单体（D），和（3）至少一种（IV）其中a1，a2 + L，a3（Ⅳ）表示的单体（E），以获得树脂分散体：（ⅰ），b1，b2，b3，d1，d2，d3，e1，e2，e3，X，Y，V，Z，L，F，Q，G，R1，R2，R 3，T1，T2，U，m和n在说明书中定义。显影剂具有优异的再分散性，保存性，稳定性，图像再现性和定影性，并且能够制造具有优异印刷耐久性的胶版印刷母板。

58. 发明授权

US4828952A 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：US4828952A
公开(公告)日：1989-05-09
申请号：US45998
申请日：1987-05-04
申请人： Eiichi Kato , Kazuo Ishii , Ryosuke Itakura , Hidefumi Sera
发明人： Eiichi Kato , Kazuo Ishii , Ryosuke Itakura , Hidefumi Sera
IPC分类号： B41N1/14 , G03G5/05 , G03G13/28
CPC分类号： G03G5/0589 , G03G5/055
摘要： An electrophotographic printing plate precursor is disclosed, comprising a conductive support having provided thereo1 at least one photoconductive layer containing photoconductive zinc oxide and at least one resin binder, wherein said resin binder contains at least one functional group capable of forming at least one hydroxyl group and at least one carboxyl group upon decomposition. The printing plate precursor can reproduce an image faithful to an original and exhibits satisfactory surface smoothness and electrostatic characteristics. The printing plate produced from the precursor does not cause background stains and exhibits excellent printing durability.
摘要翻译：公开了一种电子照相印版前体，其包括导电载体，其上设置有至少一个含有光电导氧化锌和至少一种树脂粘合剂的光电导层，其中所述树脂粘合剂含有至少一个能够形成至少一个羟基的官能团和分解时至少有一个羧基。印版前体可以再现忠实于原稿的图像，并且表现出令人满意的表面光滑度和静电特性。由前体制成的印版不会引起背景污渍并且显示出优异的印刷耐久性。

59. 发明授权

US4579803A Liquid developer for electrostatic photography 失效
标题翻译：静电摄影用液体显影剂
公开(公告)号：US4579803A
公开(公告)日：1986-04-01
申请号：US703584
申请日：1985-02-20
申请人： Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Hidefumi Sera
发明人： Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Hidefumi Sera
IPC分类号： G03G9/13 , G03G9/12
CPC分类号： G03G9/131
摘要： A liquid developer for electrostatic photography is described, containing, (i) a toner containing a resin as a main component and (ii) a copolymer comprising two repeating units represented by formula (Ia) or (Ib) and formula (II): ##STR1## or a copolymer comprising three repeating units represented by formula (IIIa) or (IIIb), formula (VI) and formula (V): ##STR2##
摘要翻译：描述了用于静电摄影的液体显影剂，其包含（i）包含树脂作为主要成分的调色剂和（ii）包含由式（Ia）或（Ib）和式（II）表示的两个重复单元的共聚物：（Ⅰa）（Ⅰa）（Ⅰ）或（Ⅲa）（Ⅲa）（Ⅲa）表示的三重复单元的共聚物，（IIIb）（IV）（V）

60. 发明授权

US06513434B1 On-press recording type lithographic printing method and apparatus 失效
标题翻译：按压记录式平版印刷方法和装置
公开(公告)号：US06513434B1
公开(公告)日：2003-02-04
申请号：US09572433
申请日：2000-05-17
申请人： Yusuke Nakazawa , Kazuo Ishii , Eiichi Kato , Sadao Ohsawa
发明人： Yusuke Nakazawa , Kazuo Ishii , Eiichi Kato , Sadao Ohsawa
IPC分类号： B41C110
CPC分类号： B41J2/20 , B41C1/1066 , B41J2/06 , B41J2/175
摘要： An on-press recording type lithographic printing method involving an ink jet process which comprises ejecting an oil-based ink onto a printing plate material mounted on the plate cylinder of a press utilizing an electrostatic field according to signals of image data, whereby an image is directly formed on the surface of said printing plate precursor, thereby preparing a printing plate which is then used as it is to effect lithographic printing, characterized in that when any abnormality occurs, the formation of image is suspended and/or the cause of abnormality is removed.
摘要翻译：包括喷墨方法的按压记录型平版印刷方法，其包括根据图像数据的信号，使用静电场将油性油墨喷射到安装在印刷机的印版滚筒上的印版上，从而图像是直接形成在所述印版前体的表面上，从而制备印刷版，然后将其原样用于进行平版印刷，其特征在于，当发生任何异常时，图像的形成被暂停和/或异常的原因是删除。

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