Silver halide color photographic materials
US4264723A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1979 |
| Grant date | Apr 28, 1981 |
| Priority date | — |
| Expiry date | Nov 5, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/384
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Silver halide color photographic sensitive materials which comprise photographic layers containing at least one of the couplers represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an anilino group, an acylamino group or a ureido group, R.sub.2 represents an alkyl group, an aralkyl group or an alkenyl group, X.sub.1, X.sub.2 and X.sub.3 each represents a hydrogen atom, an alkyl group, a halogen atom, an alkoxy group, an aryloxy group, an acylamino group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, a cyano group or an alkoxycarbonyl group and X.sub.1, X.sub.2 and X.sub.3 may be the same or different, are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.