Patent · US Expired

Disazo compounds, process for preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials

US4251613A · kind A · utility

18Cited by
3References
60Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1978
Grant dateFeb 17, 1981
Priority date
Expiry dateMay 22, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B35/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides disazo compounds expressed by the general formula I ##STR1## a process for the preparation of said compounds; and electrophotographic sensitive material having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing a disazo compound, as an effective ingredient, which is expressed by the general formula II A'--N.dbd.N--Z--N.dbd.N--A'.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.