Light-sensitive silver halide color photographic material
US5399474A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | Mar 21, 1995 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/30535
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a light-sensitive silver halide color photographic material having at least one silver halide emulsion layer on a support, which comprises a two-equivalent yellow coupler represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group or a cycloalkyl group; L represents an alkylene group; X represents a divalent linking group; R.sup.3 represents an unsubstituted alkyl group or cycloalkyl group; n represents 0 or 1; and Z represents >C(R.sup.4)R.sup.5 or >NR.sup.4 where R.sup.4 and R.sup.5 each represent a hydrogen atom or a substituent, being contained in at least one of the above silver halide emulsion layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.