Patent · US Expired

4-(N,N-dialkylamino)aniline compounds, photographic processing composition containing the same and color image-forming method

US5773203A · kind A · utility

4Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1997
Grant dateJun 30, 1998
Priority date
Expiry dateMay 14, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D215/50
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are 4-(N,N-dialkylamino)aniline compounds having a 4-N substituent which is a polyethyleneoxy group and which forms a condensed ring with benzene ring, such as aniline compounds having the following structure, a processing composition containing such a compound and a method for forming a color image with the processing solution. The aniline compound is useful as a color developing agent capable of having a low fog density and sufficient yellow and cyan image densities and suitable for the rapid process. ##STR1##

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