公开(公告)号：US4454211A

公开(公告)日：1984-06-12

申请号：US383629

申请日：1982-06-01

申请人： Yoshio Takasu ,  Shozo Ishikawa

发明人： Yoshio Takasu ,  Shozo Ishikawa

IPC分类号： G03G5/06 ,  G03G5/14

CPC分类号： G03G5/067 ,  G03G5/0661 ,  G03G5/0674

摘要： An electrophotographic photosensitive member is characterized by comprising a layer which contains at least one pyrazoline compound represented by the following formula (I) or (II): ##STR1## wherein m and n represent 0 or 1; when both m and n are 0, X.sub.1 represents a substituted or unsubstituted heterocyclic residue; R.sub.1 represents a substituted or unsubstituted aryl or heterocyclic residue; R.sub.2 and R.sub.3 each represent hydrogen or a substituted or unsubstituted aryl or heterocyclic residue; or they form spiropyrazoline cojointly with the carbon atom to which they are linked; and R.sub.5 represents hydrogen, a halogen, or a substituted or unsubstituted alkyl or aryl;when m is 1 and n is 0, X.sub.1 represents a substituted or unsubstituted heterocyclic residue; R.sub.1 and R.sub.2 each represent a substituted or unsubstituted aryl or heterocyclic residue; R.sub.3 represents hydrogen; and R.sub.4 and R.sub.5 each represent hydrogen, a halogen, or a substituted or unsubstituted alkyl or aryl;when m is 0 and n is 1, X.sub.1, R.sub.1, R.sub.2, and R.sub.3 each represent a substituted or unsubstituted aryl or heterocyclic residue, R.sub.2 and R.sub.3 may also form spiropyrazoline cojointly with the carbon atom to which they are linked, and one of R.sub.2 and R.sub.3 can also be hydrogen but X.sub.1 is not a substituted or unsubstituted aryl unless R.sub.2 and R.sub.3 form spiropyrazoline as mentioned above; and R.sub.4 and R.sub.5 each represent hydrogen, a halogen, or a substituted or unsubstituted alkyl or aryl; if R.sub.3, R.sub.4, and R.sub.5 each are hydrogen, neither R.sub.1 nor R.sub.2 is a di-substituted aminophenyl;when both m and n are 1, X.sub.1 represents a substituted or unsubstituted heterocyclic residue; R.sub.1 and R.sub.2 each represent a substituted or unsubstituted aryl or heterocyclic residue; and R.sub.4 and R.sub.5 each represent hydrogen, a halogen, or a substituted or unsubstituted alkyl or aryl. ##STR2## wherein X.sub.2 and X.sub.3 each represent a substituted or unsubstituted heterocyclic residue; R.sub.6 represents a substituted or unsubstituted divalent hydrocarbon residue; R.sub.7 and R.sub.8 each represent a substituted or unsubstituted aryl or heterocyclic residue; and R.sub.9 and R.sub.10 each represent hydrogen, a halogen, or a substituted or unsubstituted alkyl or aryl.

公开(公告)号：US4427753A

公开(公告)日：1984-01-24

申请号：US381577

申请日：1982-05-24

申请人： Naoto Fujimura ,  Takashi Tanaka ,  Takeshi Fujita ,  Masakazu Matsumoto ,  Norie Takebayashi ,  Yoshio Takasu ,  Shozo Ishikawa

发明人： Naoto Fujimura ,  Takashi Tanaka ,  Takeshi Fujita ,  Masakazu Matsumoto ,  Norie Takebayashi ,  Yoshio Takasu ,  Shozo Ishikawa

IPC分类号： C09B35/378 ,  G03G5/06

CPC分类号： G03G5/0681 ,  C09B35/378 ,  C09B56/06 ,  G03G5/0679 ,  G03G5/0687

摘要： An electrophotographic photosensitive member comprises a layer containing at least one azo pigment represented by the following formula (I): ##STR1## in the formula, Cp represents a coupler residue; A.sub.1 and A.sub.2 each represent a divalent organic residue; n represents 0 or 1; and when n is 0, A.sub.3 represents substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or --(CH.dbd.CH).sub.l --R', wherein R' is a substituted or unsubstituted heterocyclic ring residue an l is 0, 1 or 2, and when n is 1, A.sub.3 represents a divalent organic residue.

摘要翻译： 电子照相感光构件包括含有至少一种由下式（I）表示的偶氮颜料的层：式中的式（I），Cp表示成色剂残基; A1和A2各自表示二价有机残基; n表示0或1; 当n为0时，A3表示取代或未取代的烷基，取代或未取代的芳基或 - （CH = CH）1 -R'，其中R'为取代或未取代的杂环残基，l为0,1或2， 当n为1时，A3表示二价有机残基。