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
    • 39. 发明授权
    • Disazo electrophotographic photosensitive member
    • 双偶电子照相感光构件
    • US4551404A
    • 1985-11-05
    • US406313
    • 1982-08-09
    • Masaaki HiroYoshio TakasuShozo IshikawaKazuharu KatagiriHideyuki Takahashi
    • Masaaki HiroYoshio TakasuShozo IshikawaKazuharu KatagiriHideyuki Takahashi
    • C09B35/021G03G5/06G03G5/14
    • G03G5/0685C09B35/021G03G5/0679G03G5/0683G03G5/0687G03G5/0688
    • An electrophotographic photosensitive member characterized by containing at least one azo pigment represented by the following formula (1), (2), or (3): ##STR1## In these formulae; ##STR2## wherein Z represents ##STR3## in which R.sub.71 is hydrogen, or substituted or unsubstituted alkyl; n is 0 or 1; R.sub.21, R.sub.22, R.sub.61 and R.sub.62 represent hydrogen, alkyl, alkoxy, nitro, or hydroxyl R.sub.31 and R.sub.32 represent hydrogen or alkoxy; and R.sub.41, R.sub.42, R.sub.43, R.sub.44, R.sub.51, R.sub.52, R.sub.53 and R.sub.54 represent hydrogen, halogen, or organic monovalent residue. ##STR4## wherein X represents a residue necessary for completing an aromatic hydrocarbon ring or a heterocyclic ring, each ring being substituted or unsubstituted; R.sub.11 represents hydrogen or alkyl; R.sub.12 represents methyl, ethyl or C.sub.3 -C.sub.8 linear alkyl; and R.sub.17 and R.sub.18 represent alkyl, aralkyl or aryl, each substituted or unsubstituted. In formula (2), R.sub.11, R.sub.12 and X are as defined above; R.sub.13 and R.sub.14 represent hydrogen or cyano; and R.sub.15 and R.sub.16 represent hydrogen, halogen, alkyl, alkoxy, nitro or hydroxyl.
    • 特征在于含有至少一种由下式(1),(2)或(3)表示的偶氮颜料:(CpNN)2A1(1)(2)(CpNN)3A2(3) 在这些公式中 A1: A2: 其中Z代表B,4 R71,S,OSOorCO,+ RE,其中R71为氢 ,或取代或未取代的烷基; n为0或1; R 21,R 22,R 61和R 62表示氢,烷基,烷氧基,硝基或羟基R 31,R 32表示氢或烷氧基; R 41,R 42,R 43,R 44,R 51,R 52,R 53和R 54表示氢,卤素或有机一价残基。 Cp: + TR 其中X表示完成芳族烃环或杂环所必需的残基,每个环是取代或未取代的; R11表示氢或烷基; R12表示甲基,乙基或C3-C8直链烷基; 并且R 17和R 18代表烷基,芳烷基或芳基,各取代或未取代。 在式(2)中,R 11,R 12和X如上所定义; R 13和R 14表示氢或氰基; R 15和R 16表示氢,卤素,烷基,烷氧基,硝基或羟基。