Patent · US Expired

Process for processing a color reversal photographic light-sensitive material

US4717648A · kind A · utility

9Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1986
Grant dateJan 5, 1988
Priority date
Expiry dateFeb 7, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C5/305
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for processing a silver halide color reversal photographic light-sensitive material is disclosed, which comprises developing an imagewise exposed silver halide color reversal photographic light-sensitive material with a black-and-white developer containing at least one compound selected from the compounds of Group A, at least one compound selected from the compounds of Group B, and preferably further at least one compound selected from the compounds of Group C, wherein PA0 Group A consists of organic heterocyclic compounds represented by formulae (A-I), (A-II), (A-III), and (A-IV) ##STR1## Group B consists of benzoimidazole, indazole, benzotriazole, benzooxazole and benzothiazole compounds, not containing a thiol group, a thioether bond, a thioketone group, or a disulfide bond. PA0 Group C consists of compounds represented by formulae (C-I) and (C-II). ##STR2## wherein the symbols are as defined in the appended claims.

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