Patent · US Expired

Photoconductive composition, and element

US4072519A · kind A · utility

14Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 1976
Grant dateFeb 7, 1978
Priority date
Expiry dateAug 11, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/50
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Photoconductive composition comprising an insulating polymeric matrix and a compound of the formula ##STR1## WHEREIN Ar is anthryl; naphthyl; pyrenyl; indolyl; N-alkyl 2-CARBAZYL; JULOLIDINYL; AND THE SUBSTITUTED ANALOGUES THEREOF, WHEREIN SAID SUBSTITUENTS ARE CAPABLE OF RELEASING ELECTRONS TO THE RELATIVELY ELECTRON DEFICIENT CENTERS WITHIN THE COMPOUND; PA1 X is --NO.sub.2 or halogen; and PA1 N can range from 1 to 5. These compositions have good spectral response in the visible region of the electromagnetic spectrum and are suitable for use in electrostatographic imaging members and methods.

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