Patent · US Expired

Photographic processing agent

US5362610A · kind A · utility

11Cited by
33References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 17, 1994
Grant dateNov 8, 1994
Priority date
Expiry dateFeb 17, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/134
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A solid photographic processing agent for a silver halide photographic light-sensitive material is disclosed. It has a bulk density of 0.5 to 6.0 g/cm.sup.3, and comprises a photographic processing agent and at least one of the compounds represented by the following Formula (I): PA1 Formula (I) EQU R--(O).sub.n SO.sub.3 X wherein R represents an alkyl group having 1 to 8 carbon atoms, a phenyl group or a polymer chain having a repetition unit derived from an ethylenically unsaturated group; X represents a hydrogen atom, an alkali metal or an ammonium group; and n is an integer of 0 or 1.

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