公开(公告)号：ZA747184B

公开(公告)日：1975-12-31

申请号：ZA747184

申请日：1974-11-08

Applicant: HOECHST AG

Inventor： SCHOEN G ,  ROCHLITZ J

IPC: C07D231/06 ,  C07C15/38 ,  C07C45/00 ,  C07C49/665 ,  C07C49/683 ,  C07C67/00 ,  C07D231/20 ,  C07D231/22 ,  C09B23/00 ,  C09B57/00 ,  G03G5/047 ,  G03G5/06 ,  G03G5/07 ,  G03G

Abstract: This invention relates to an electrophotographic recording material comprising an electrically conducting supporting material having thereon a photoconductive double layer of organic materials, said double layer being composed of a homogeneous, opaque, charge carrier-producing dyestuff layer and a transparent top layer of insulating material containing at least one charge-transporting compound, the transparent top layer comprising a binder and a charge-transporting aromatic compound with an extended pi -electron system which is substituted by at least one substituted amino group, and the dyestuff layer comprising a condensation product of an aromatic aldehyde and a compound carrying an active methylene group.

公开(公告)号：ZA7407184B

公开(公告)日：1975-12-31

申请号：ZA7407184

申请日：1974-11-08

Applicant: HOECHST AG

Inventor： SCHOEN G ,  ROCHLITZ J

IPC: C07D231/06 ,  C07C15/38 ,  C07C45/00 ,  C07C49/665 ,  C07C49/683 ,  C07C67/00 ,  C07D231/20 ,  C07D231/22 ,  C09B23/00 ,  C09B57/00 ,  G03G5/047 ,  G03G5/06 ,  G03G5/07 ,  G03G

CPC classification number: G03G5/0674 ,  G03G5/047 ,  G03G5/0672