Patent · US Expired

Method of photographic processing

US5418117A · kind A · utility

5Cited by
10References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 15, 1994
Grant dateMay 23, 1995
Priority date
Expiry dateJul 15, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/144
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method of processing an imagewise exposed photographic silver halide colour material by a redox amplification method in wherein colour developing solution is applied to the material in the presence of atmospheric oxygen and a hydroxylamine compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl or aryl groups either of which may be substituted, and wherein the colour developer solution is agitated sufficiently for redox amplification to occur.

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