Method for forming color image
US5183729A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1991 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Mar 29, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/4136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is disclosed a method for forming a color image which comprises developing a silver halide color photographic material having a layer containing a cyan coupler represented by formula (I) with a color developer containing a color-developing agent represented by formula (D) ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, or a cycloalkyl group, R.sup.2 represents an alkyl group, alkenyl group, or cycloalkyl group having 4 to 30 carbon atoms in total, R.sup.3 represents an aryl group, and Z represents a hydrogen atom or a group capable of being released upon a coupling reaction, with a color developer containing a color-developing agent represented by the following formula (D): ##STR2## wherein R.sup.4 represents a hydrogen atom, a halogen atom, or a methyl group, R.sup.5 and R.sup.6 each represent a methyl group or an ethyl group, L represents a methylene group or an ethylene group, and n is 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.