Patent · US Expired

Ortho-Bis (2-substituted azostyryl) benzene compounds

US4325871A · kind A · utility

16Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1980
Grant dateApr 20, 1982
Priority date
Expiry dateJun 11, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B41/002
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A bis-azo compound of the formula ##STR1## wherein A represents ##STR2## wherein R represents alkyl, alkoxy, nitro, dialkylamino or halogen, and n represents an integer 0, 1, 2 or 3 and when n is 2 or 3, R represents identical or different substituents selected from the group of alkyl, alkoxy, nitro, dialkylamino and halogen. The bis-azo compound is useful as a photoconductive material for the preparation of electrophotographic photoconductors.

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