4-(N,N-dialklylamino)aniline compounds, photographic processing composition containing the same and color image-forming method
US5994546A · kind A · utility
12Cited by
3References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 11, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Feb 11, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/08
- 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.