会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 12. 发明授权
    • Photographic developing apparatus and electrifying apparatus
    • 照相显影装置和通电装置
    • US5887233A
    • 1999-03-23
    • US895556
    • 1997-07-16
    • Jun AbeNoriaki YamazakiAkihiko NodaShinichi KuramotoShota Oba
    • Jun AbeNoriaki YamazakiAkihiko NodaShinichi KuramotoShota Oba
    • G03G15/08G03G15/02
    • G03G15/0812G03G15/0806
    • A photographic developing apparatus which visualizes a latent image formed on an image carrier is disclosed which includes:a developing powder carrier provided so as to be opposite to the image carrier;a layer forming member for forming a thin layer of developing powder over a circumferential surface of the developing powder carrier;a charge imparting member which is provided so as to be opposite to the developing powder carrier and causes an electric field between the charge imparting member and the developing powder carrier; andan electrification control member which is interposed between the charge imparting member and the developing powder carrier, and limits an ionization area caused by electric discharge in the electric field by receiving an intermediate electric potential between the electric potential of the charge imparting member and the electric potential of the developing powder carrier.
    • 公开了一种使形成在图像载体上的潜像可视化的照相显影装置,其包括:设置成与图像载体相对的显影粉末载体; 用于在显影粉末载体的圆周表面上形成显影粉末薄层的层形成部件; 电荷赋予构件,其设置成与显影粉末载体相对,并且在电荷施加构件和显影粉末载体之间引起电场; 以及带电控制构件,其插入在电荷施加构件和显影剂载体之间,并且通过在电荷赋予构件的电位和电荷赋予构件之间接收中间电位来限制由电场中的放电引起的电离区域 显影粉末载体的潜力。
    • 14. 发明授权
    • Liquid developer for use in electrophotography
    • 用于电子照相术的液体显影剂
    • US4388395A
    • 1983-06-14
    • US339544
    • 1982-01-15
    • Kazuo TsubukoJunichiro HashimotoShinichi KuramotoMakoto Okawara
    • Kazuo TsubukoJunichiro HashimotoShinichi KuramotoMakoto Okawara
    • C08F265/00C08F265/04C08F290/00C08F290/12C08F299/00G03G9/13G03G9/12
    • C08F265/04C08F290/12G03G9/133
    • A liquid developer for use in electrophotography is disclosed which is prepared by dispersing a toner consisting essentially of a pigment or dye and a resin in a carrier liquid having a high insulating property and a low dielectric constant, wherein said resin is a nonaqueous dispersed resin obtained by effecting, in a nonaqueous solvent comprising an aliphatic hydrocarbon, the steps of:(a) copolymerizing (1) a monomer A having the general formula I: ##STR1## [wherein R is H or --CH.sub.3, and A is --COOC.sub.n H.sub.2n+1 or --OC.sub.n H.sub.2n+1 (n is an integer of 6 to 20)] with (2) a polyfunctional monomer having two or more double bonds and (3) a monomer B having a glycidyl group or a vinyl monomer C having a carboxyl group,(b) esterifying the resulting copolymer with the monomer C when the monomer B was used in the step (a) and with the monomer B when the monomer C was used in the step (a) respectively, and(c) grafting the resulting esterified copolymer with a monomer D selected from the group consisting of compounds having the general formula II: ##STR2## [wherein R is the same as previously stated and Z is --COOC.sub.m H.sub.2m+1 (m is an integer of 1 to 4), --OCOC.sub.m' H.sub.2m'+1 (m' is an integer of 1 to 6), ##STR3## (m is the same as previously stated), --COOH, --COOC.sub.2 H.sub.4 OH or ##STR4## styrene, vinyl acetate, vinyltoluene, chlorostyrene, vinylpyrrolidone and vinylpyridine.
    • 公开了一种用于电子照相术的液体显影剂,其通过将基本上由颜料或染料和树脂组成的调色剂分散在具有高绝缘性能和低介电常数的载体液体中制备,其中所述树脂是获得的非水分散树脂 通过在包含脂族烃的非水溶剂中进行以下步骤:(a)使(1)具有通式I的单体A:其中R是H或-CH 3,A是-COOC n H 2n + 1或-OCnH2n + 1(n为6〜20的整数)]与(2)具有两个以上双键的多官能单体和(3)具有缩水甘油基的单体B或具有羧基的乙烯基单体C ,(b)当在步骤(a)中使用单体B时,和单体B分别在步骤(a)中使用单体C时,用单体C酯化所得共聚物,和(c)将所得的共聚物 酯化的共聚物与选自下组的单体D. 具有通式II的化合物:其中R与前述相同,Z为-COOCmH2m + 1(m为1〜4的整数),-OCOCm'H2m'+ 1(m'为整数 1〜6),< IMAGE>(m与前述相同),-COOH,-COOC 2 H 4 OH或苯乙烯,乙酸乙烯酯,乙烯基甲苯,氯苯乙烯,乙烯基吡咯烷酮和乙烯基吡啶。