Patent · US Expired

Bis2-1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamide! charge-control agents for electrostatographic toners

US5716749A · kind A · utility

4Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 1997
Grant dateFeb 10, 1998
Priority date
Expiry dateMar 14, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08755
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Bis2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamide! charge-control agents are disclose. The agents have the structure: ##STR1## R and R.sup.1 are defined in the specification. The charge-control agents are useful in electrostatographic toners and developers.

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