Patent · US Expired

Method of bleaching and fixing a color photographic element containing high iodine emulsions

US5464728A · kind A · utility

8Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1992
Grant dateNov 7, 1995
Priority date
Expiry dateDec 29, 2012

Classification

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

Abstract

This invention provides a method of processing a developed high iodide color silver halide photographic element by bleaching the element with a peracid bleach and fixing the element with a fixer containing sodium cation and thiosulfate, wherein the amount of ammonium ion in the fixer is less than 1.4M.

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