Patent · US Expired

Electrostatic image-developing toner

US5545502A · kind A · utility

1Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1995
Grant dateAug 13, 1996
Priority date
Expiry dateMay 9, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0975
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrostatic image-developing toner comprising at least a resin and a colorant, which further contains at least one compound of the following formula (I): ##STR1## wherein R.sub.1 is a C.sub.1-24 substituted or unsubstituted alkyl group or a substituted or unsubstituted aralkyl group, each of R.sub.2, R.sub.3 and R.sub.4 is a C.sub.2-24 substituted or unsubstituted alkyl group or a substituted or unsubstituted aralkyl group, and A is an aromatic ring residue which may have substituents.

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