Process for ultra high quality images with magnetic developer composition
    1.
    发明授权
    Process for ultra high quality images with magnetic developer composition 失效
    具有磁性显影剂组成的超高质量图像的工艺

    公开(公告)号:US4695524A

    公开(公告)日:1987-09-22

    申请号:US865327

    申请日:1986-05-21

    摘要: Disclosed is a process for generating consistent high quality images comprised of (1) providing a xerographic imaging or printing apparatus; (2) adding thereto a stable two component developer composition comprised of toner composition with an average particle diameter of from about 6 to about 10 microns with resin particles, first pigment particles, second magnetite pigment particles, which are present in a greater amount than the first pigment particles, and blended flow additive particles; and carrier particles consisting of a ferrite core, or a steel core, and a coating thereover selected from the group consisting of terpolymers of styrene, methacrylate, and triethoxysilane; and polymethacrylate, which coating has incorporated therein conductive particles; (3) forming electrostatic latent images or magnetic images in the apparatus; and (4) developing the images formed.

    摘要翻译: 公开了一种用于产生一致的高质量图像的方法,包括(1)提供静电复印成像或打印装置; (2)向树脂颗粒,第一颜料颗粒,第二磁铁矿颜料颗粒中以比例大于约6至约10微米的较大量存在的调色剂组合物加入稳定的双组分显影剂组合物 第一颜料颗粒和混合流动添加剂颗粒; 以及由铁氧体磁芯或钢芯组成的载体颗粒和选自苯乙烯,甲基丙烯酸酯和三乙氧基硅烷的三元共聚物的涂层; 和聚甲基丙烯酸酯,该涂层已经结合有导电颗粒; (3)在设备中形成静电潜像或磁图像; 和(4)形成形成的图像。

    Process for achieving consistent high quality images with magnetic
developer composition
    2.
    发明授权
    Process for achieving consistent high quality images with magnetic developer composition 失效
    用磁性显影剂组合物实现一致的高质量图像的过程

    公开(公告)号:US4609603A

    公开(公告)日:1986-09-02

    申请号:US681777

    申请日:1984-12-14

    摘要: A process for generating consistent high quality images for extended periods, consisting essentially of (1) providing a xerographic imaging, or printing apparatus; (2) adding thereto a stable two component developer composition comprised of resin particles, first pigment particles, second magnetite pigment particles, which are present in a greater amount than the first pigment particles, and blended flow additive particles; and carrier particles consisting of a ferrite core, or a steel core and a coating thereover selected from the group consisting of terpolymers of styrene, methacrylate, and triethoxysilane; and polymethacrylate, which coating has incorporated therein conductive particles; (3) forming electrostatic latent images, or magnetic images in the apparatus; and (4) developing the images formed, wherein the developer composition retains its electrical properties for over 2.5 million imaging cycles.

    摘要翻译: 一种用于长时间产生一致的高质量图像的过程,其基本上由(1)提供静电复印成像或打印装置组成; (2)向其中加入由比第一颜料颗粒大量存在的树脂颗粒,第一颜料颗粒,第二磁铁矿颜料颗粒和混合流动添加剂颗粒组成的稳定的双组分显影剂组合物; 以及由铁氧体磁芯或钢芯组成的载体颗粒和选自苯乙烯,甲基丙烯酸酯和三乙氧基硅烷的三元共聚物的涂层; 和聚甲基丙烯酸酯,该涂层已经结合有导电颗粒; (3)在设备中形成静电潜像或磁图像; 和(4)显影形成的图像,其中显影剂组合物保持其电性能超过250万次成像周期。

    Process for magnetic image character recognition
    3.
    发明授权
    Process for magnetic image character recognition 失效
    磁图像字符识别过程

    公开(公告)号:US4517268A

    公开(公告)日:1985-05-14

    申请号:US531520

    申请日:1983-09-12

    摘要: Disclosed is an improved, simple, economical process for generating documents, such as personal checks, suitable for magnetic image character recognition, which process comprises generating such documents with conventional xerographic methods in a high speed electronic laser printing device, and wherein there is selected as the developer composition a magnetic toner containing from about 20 percent by weight to about 70 percent by weight of magnetite particles, and from about 30 percent by weight to about 80 percent by weight of toner resin particles of styrene copolymers, such as a styrene butadiene copolymer, a styrene n-butylmethacrylate copolymer, or polyesters, and wherein the carrier particles are comprised of ferrite cores, coated with various polymeric resinous compositions. There can also be included in the developer composition various additives such as collodial silica particles, and charge enhancing additives, and further conductive carbon black or insulating carbon black particles can be incorporated into the carrier polymeric resinous coating.

    摘要翻译: 公开了一种改进的,简单的,经济的用于生成适合于磁图像字符识别的诸如个人检查的文档的过程,该方法包括在高速电子激光打印装置中用常规静电印刷方法生成这样的文档,并且其中选择为 显影剂组合物含有约20重量%至约70重量%的磁铁矿颗粒的磁性调色剂和约30重量%至约80重量%的苯乙烯共聚物如苯乙烯丁二烯共聚物的调色剂树脂颗粒 ,苯乙烯正丁基甲基丙烯酸酯共聚物或聚酯,并且其中载体颗粒由铁氧体磁芯组成,涂覆有各种聚合物树脂组合物。 还可以在显影剂组合物中包括诸如胶体二氧化硅颗粒和电荷增强添加剂的各种添加剂,并且可以在载体聚合物树脂涂料中引入另外的导电炭黑或绝缘炭黑颗粒。

    Process for magnetic image character recognition
    5.
    再颁专利
    Process for magnetic image character recognition 失效
    磁图像字符识别过程

    公开(公告)号:USRE33172E

    公开(公告)日:1990-02-27

    申请号:US45346

    申请日:1987-05-04

    IPC分类号: G03G9/083 G03G9/087

    摘要: Disclosed is an improved, simple, economical process for generating documents, such as personal checks, suitable for magnetic image character recognition, which process comprises generating such documents with conventional xerographic methods in a high speed electronic laser printing device, and wherein there is selected as the developer composition a magnetic toner containing from about 20 percent by weight to about 70 percent by weight of magnetite particles, and from about 30 percent by weight to about 80 percent by weight of toner resin particles of styrene copolymers, such as a styrene butadiene copolymer, a styrene n-butylmethacrylate copolymer, or polyesters, and wherein the carrier particles are comprised of ferrite cores, coated with various polymeric resinous compositions. There can also be included in the developer composition various additives such as collodial silica particles, and charge enhancing additives, and further conductive carbon black or insulating carbon black particles can be incorporated into the carrier polymeric resinous coating.

    Copy quality monitoring for magnetic images
    7.
    发明授权
    Copy quality monitoring for magnetic images 失效
    复制磁图像的质量监控

    公开(公告)号:US4563086A

    公开(公告)日:1986-01-07

    申请号:US663610

    申请日:1984-10-22

    IPC分类号: G03G15/00 G03G15/08 G03G15/22

    CPC分类号: G03G15/5062 G03G2215/0013

    摘要: An electrophotographic printing machine in which a magnetic toner image is transferred to a copy sheet from a photoconductive member and fused thereto. The toner image fused to the copy sheet is magnetized and the intensity of the magnetic field generated by the toner image detected to provide a continuous indication of the quality of the toner image fused to the copy sheet.

    摘要翻译: 一种电子照相印刷机,其中磁性调色剂图像从感光体转印到复印纸上并熔合。 与复印纸熔合的调色剂图像被磁化,并且检测由调色剂图像产生的磁场的强度,以提供与复印纸融合的调色剂图像的质量的连续指示。

    Negatively charged colored toner compositions
    10.
    发明授权
    Negatively charged colored toner compositions 失效
    带负电的彩色调色剂组合物

    公开(公告)号:US4837101A

    公开(公告)日:1989-06-06

    申请号:US150584

    申请日:1988-02-01

    摘要: A negatively charged developer composition comprised of a toner composition with an average particle diameter of from about 4 to about 9 microns containing a mixture of styrene butadiene copolymers, and styrene methacrylate copolymers; pigment particles selected from the group consisting of cyan, magenta, yellow, red, blue, green, brown, and mixtures thereof; first external additive particles of colloidal silica; second external additive particles of fatty acid metal salts; and carrier particles comprised of a ferrite core with a polymeric coating thereover, which coating has dispersed therein conductive particles.

    摘要翻译: 带负电荷的显影剂组合物由平均粒径为约4至约9微米的调色剂组合物组成,包含苯乙烯丁二烯共聚物和苯乙烯甲基丙烯酸酯共聚物的混合物; 选自青色,品红色,黄色,红色,蓝色,绿色,棕色及其混合物的颜料颗粒; 胶体二氧化硅的第一外部添加剂颗粒; 脂肪酸金属盐的第二外部添加剂颗粒; 以及由其上具有聚合物涂层的铁氧体磁心组成的载体颗粒,该涂层已分散有导电颗粒。