Patent · US Expired

Styryl pyrazoline compounds, process for production thereof, and electrophoto graphic material comprising said compounds

US4315982A · kind A · utility

48Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1981
Grant dateFeb 16, 1982
Priority date
Expiry dateFeb 24, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/067
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and represent an alkyl group or combine with the nitrogen atom to form a ring, and X represents a pyridyl group, a quinolyl group, or a pyridyl or quinolyl group substituted by at least one alkyl or alkoxy group; a process for preparing the compound and an electrophotographic material containing the same.

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