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1. 发明授权

US4792511A Electrophotographic zinc oxide-resin binder lithographic printing plate precursor 失效
标题翻译：电子照相氧化锌 - 树脂粘合剂平版印刷版前体
公开(公告)号：US4792511A
公开(公告)日：1988-12-20
申请号：US025696
申请日：1987-03-13
申请人： Eiichi Kato , Ryosuke Itakura , Hidefumi Sera , Kazuo Ishii
发明人： Eiichi Kato , Ryosuke Itakura , Hidefumi Sera , Kazuo Ishii
IPC分类号： B41N1/14 , G03G5/05 , G03G13/28 , G03G5/087
CPC分类号： G03G5/0589
摘要： An electrophotographic lithographic printing plate precursor is disclosed, comprising a conductive support having provided thereon at least one photoconductive layer containing photoconductive zinc oxide and a resin binder, wherein said resin binder comprises a resin containing at least one functional group capable of forming a carboxylic acid upon being decomposed. The printing plate precursor forms an image faithful to an original and causes no background stains because of improved oil-insensitivity of non-image areas, and a printing plate obtained therefrom exhibits high stain resistance and printing durability.
摘要翻译：公开了一种电子照相平版印刷版前体，其包含导电性载体，其上设置有至少一层含有光导氧化锌的光电导层和树脂粘合剂，其中所述树脂粘合剂包括含有至少一个能够形成羧酸的官能团的树脂被分解。由于非图像区域的油不敏感性提高，印版前体形成忠实于原稿的图像，并且不会产生背景污点，并且由其获得的印刷版显示出高耐污性和印刷耐久性。

2. 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。

3. 发明授权

US4929526A 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：US4929526A
公开(公告)日：1990-05-29
申请号：US319895
申请日：1989-03-07
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： G03G5/05
CPC分类号： G03G5/055 , G03G5/0589
摘要： An electrophotographic lithographic printing plate precursor obtained from an electrophotographic photoreceptor comprising a conductive support having provided thereon at least one photoconductive layer containing photoconductive zinc oxide and a resin binder, wherein said resin binder comprises a resin containing at least one functional group capable of forming at least one hydroxyl group upon being decomposed. The printing plate precursor exhibits high image reproducibility, stain resistance, and green preservability, and a printing plate obtained therefrom has high resistance to background stain and has printing durability.
摘要翻译：由电子照相感光体获得的电子照相平版印刷版原版，其包含导电性支持体，其上设置有至少一层含有光导电氧化锌的光电导层和树脂粘合剂，其中所述树脂粘合剂包含含有至少一个能形成至少一个官能团的树脂一个羟基被分解。印版前体显示出高图像再现性，耐污染性和绿色保存性，并且由此得到的印刷版具有高抗背景污染性并具有印刷耐久性。

4. 发明授权

US4618557A Liquid developer for electrostatic photography 失效
公开(公告)号：US4618557A
公开(公告)日：1986-10-21
申请号：US763112
申请日：1985-08-07
申请人： Shigeyuki Dan , Kazuo Ishii , Eiichi Kato , Hidefumi Sera
发明人： Shigeyuki Dan , Kazuo Ishii , Eiichi Kato , Hidefumi Sera
IPC分类号： G03G9/12 , G03G9/13
CPC分类号： G03G9/131
摘要： An liquid developer for electrostatic photography is described, comprising a carrier liquid having an electric resistance of at least 10.sup.9 .OMEGA..multidot.cm and a dielectric constant of not more than 3.5, and a resin dispersed therein, said resin being obtained by polymerizing a monomer, which is soluble in said carrier liquid but becomes insoluble upon being polymerized, in the presence of at least one kind of a soluble dispersion stabilizing resin, said soluble dispersion stabilizing resin being a copolymer containing at least recurring units represented by following formulae (IIIa) and (IIIb) obtained by applying a reaction for introducing an unsaturated bond into a copolymer obtained by polymerizing a monomer represented by formula (I) and a monomer represented by formula (III) ##STR1## wherein in formula (I), V represents --O--, --S--, --CO--, --CO.sub.2 --, --SO.sub.2 --, --OCO--, --CONH--, --CONR'-- (wherein R' represents a hydrocarbon group), --NHCO--, NHCO.sub.2 --, or --NHCONH--; X represents --CO.sub.2 H, --COCl, --OH, --SH, --NH.sub.2, --NCO, or --SO.sub.2 CH.sub.2 CH.sub.2 Cl; W represents a hydrocarbon group linking said atomic group V and said atomic group X directly or through a hetero atom, or W represents a chemical bond; and a.sub.1, a.sub.2, and a.sub.3 each represents a hydrogen atom, a hydrocarbon group, a carboxy group, or a carboxy group through a hydrocarbon group;in formula (II), Y represents --O--, --S--, --CO--, --CO.sub.2 --, --SO.sub.2 --, --OCO--, CONH--, --CONR"-- (wherein R" represents a hydrocarbon group), --NHCO--, --NHCO.sub.2 --, or --NHCONH--; R represents a hydrocarbon group; and b.sub.1, b.sub.2, and b.sub.3 each represents a hydrocarbon atom, a hydrocarbon group, a carboxy group, or a carboxy group through a hydrocarbon group;in formula (IIIa), a.sub.1, a.sub.2, a.sub.3, V, and W have the same meanings as defined for formula (I); X' represents --CO.sub.2 --, --COS--, --SCO--, --CONH--, --OCO--, --NHCO--, --NHCONH--, --SO.sub.2 --, --O--, or --S--; Z represents a hydrocarbon group linking said atomic group X' and unsaturated bond directly or through a hetero atom, or Z represents a chemical bond; the total number of atoms of the main chain portion of atomic group --V--W--X'--Z-- must, however, be at least 9; and d.sub.1, d.sub.2, and d.sub.3 each represents a hydrocarbon atom, a hydrocarbon group, a carboxy group, or a carboxy group through a hydrocarbon group; andin formula (IIIb), b.sub.1, b.sub.2, b.sub.3, Y, and R have the same meanings as defined for formula (II).

5. 发明授权

US4842975A Method of making liquid developer for electrostatic photography 失效
标题翻译：制备静电摄影用液体显影剂的方法
公开(公告)号：US4842975A
公开(公告)日：1989-06-27
申请号：US136517
申请日：1987-12-22
申请人： Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Shigeyuki Dan , Hidefumi Sera
发明人： Eiichi Kato , Kazuo Ishii , Hiroshi Ishibashi , Shigeyuki Dan , Hidefumi Sera
IPC分类号： G03G9/12 , G03G9/13
CPC分类号： G03G9/131
摘要： A liquid developer for electrostatic photography is described, comprising at least a resin dispersed in a non-aqueous solvent having an electric resistance of at least 10.sup.9 ohms.cm and a dielectric constant of not more than 3.5. The resin is a copolymer resin obtained by polymerizing a solution containing at least one monofunctional monomer (A) which is soluble in the non-aqueous solvent but becomes insoluble upon polymerization and at least one specified monomer (B) containing an aliphatic group having at least 8 carbon atoms and being copolymerizable with the monomer (A), in the presense of a resin not containing a grafting group polymerizable with the monomers and being soluble in the non-aqueous solvent. The resin may be colored by dissolving at least one organic dye in the dispersion of the resin and heating the mixture. The developer has excellent dispersion stability, redispersibility, fixability and preservability.
摘要翻译：描述了用于静电摄影的液体显影剂，其至少包含分散在电阻至少为109欧姆·厘米且介电常数不大于3.5的非水溶剂中的树脂。树脂是通过聚合含有至少一种可溶于非水溶剂但在聚合时变得不溶的单官能单体（A）的溶液和至少一种含至少一个具有至少一个脂族基团的特定单体（B）的溶液而获得的共聚物树脂 8个碳原子并且可与单体（A）共聚，在不含可与单体聚合并可溶于非水溶剂的接枝基团的树脂的存在下。树脂可以通过将至少一种有机染料溶解在树脂的分散体中并加热混合物而着色。显影剂具有优异的分散稳定性，再分散性，定影性和保存性。

6. 发明授权

US4665002A 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：US4665002A
公开(公告)日：1987-05-12
申请号：US772794
申请日：1985-09-05
申请人： Shigeyuki Dan , Kazuo Ishii , Eiichi Kato , Hidefumi Sera
发明人： Shigeyuki Dan , Kazuo Ishii , Eiichi Kato , Hidefumi Sera
IPC分类号： C08F291/00 , C08L33/00 , C08L33/02 , C08L51/00 , C08L51/02 , G03G9/12 , G03G9/13
CPC分类号： G03G9/131 , Y10S430/105
摘要： Disclosed is a liquid electrophotographic developer comprising a resin prepared by polymerizing selected monomers to provide a developer composition having good storage stability and redispersibility.
摘要翻译：公开了包含通过聚合所选单体制备的树脂以提供具有良好的储存稳定性和再分散性的显影剂组合物的液体电子照相显影剂。

7. 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。

8. 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）

9. 发明授权

US4929527A Method of image formation which includes scanning exposure process 失效
标题翻译：包括扫描曝光过程的图像形成方法
公开(公告)号：US4929527A
公开(公告)日：1990-05-29
申请号：US185181
申请日：1988-04-22
申请人： Eiichi Kato , Shigeru Ohno , Kazuo Ishii , Ryosuke Itakura
发明人： Eiichi Kato , Shigeru Ohno , Kazuo Ishii , Ryosuke Itakura
IPC分类号： G03G5/05 , G03G5/06 , G03G5/09 , G03G15/04
CPC分类号： G03G5/067 , G03G5/0517 , G03G5/09
摘要： A photoconductive composition which exhibits excellent dark reduction retention, excellent sensitivity to radiation from the near infrared region to the infrared region as well as excellent long-term stability, is comprised of an inorganic photoconductor, a cyclic acid anhydride and a spectral sensitizing dye dispersed in a binding resin. A laser beam scanning exposure can be performed on said composition to produce electrophotographic images.

10. 发明授权

US4871638A Electrophotographic photosensitive material with binder combination 失效
标题翻译：电子照相感光材料与粘合剂组合
公开(公告)号：US4871638A
公开(公告)日：1989-10-03
申请号：US165949
申请日：1988-03-09
申请人： Eiichi Kato , Kazuo Ishii , Ryosuke Itakura
发明人： Eiichi Kato , Kazuo Ishii , Ryosuke Itakura
IPC分类号： G03G5/05
CPC分类号： G03G5/0589
摘要： An electrophotographic photosensitive material comprising a support having provided thereon a photoconductive layer containing at least an inorganic photoconductive material and a binder, wherein said binder comprises at least resin (A) having a weight average molecular weight of from 1.times.10.sup.3 to 1.times.10.sup.4 and containing from 0.05 to 20% by weight a copolymer component having at least one acid group selected from --PO.sub.3 H, --COOH, --SO.sub.3 H, --OH, --SH, and ##STR1## wherein R respresents a hydrocarbon group; and resin (B) having a weight average molecular weight of at least 3.times.10.sup.4, said resin (B) not containing the aforesaid acid group nor a basic group.

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