Patent · US Expired

Amplification of developed electrographic image patterns

US4307168A · kind A · utility

9Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1977
Grant dateDec 22, 1981
Priority date
Expiry dateMay 5, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G13/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Electrographic image patterns are developed using marking particles containing a catalyst or catalyst precursor. The developed image pattern is then amplified by contacting it with high gain chemical-redox amplification composition.

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