Silver halide color photographic materials
US5273868A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1991 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Nov 15, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3225
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide color photographic material comprising a support having thereon at least one blue sensitive silver halide emulsion layer, at least one green sensitive silver halide emulsion layer and at least one red sensitive silver halide emulsion layer, wherein at least one type of acylacetamide type yellow coupler in which the acyl group represented by formula [I] indicated below is included in said blue sensitive silver halide emulsion layer and at least one type of magenta coupler represented by formula [M] indicated below is included in said green sensitive silver halide emulsion layer, ##STR1## wherein R.sub.1 represents a univalent group, Q represents a group of non-metal atoms which, together with C, is required to form a three to five membered hydrocarbon ring or a three to five membered heterocyclic ring which has within the ring at least one hetero atom selected from the group consisting of N, O, S and P, with the proviso with R.sub.1 is not a hydrogen atom and is not linked to Q and does not form a ring, ##STR2## wherein R.sub.20 represents a hydrogen atom or a substituent group, Z represents a group of non-metal atoms which is required to form a five membered azole r…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.