Silver halide photographic material
US5028522A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Nov 14, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/097
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic material is disclosed, which contains at least one compound represented by general formula (I) or general formula (II): EQU Z--R-Se--R'--Z' (I) EQU Z--R--Se--R" (II) where R and R' each individually represent bivalent groups composed of at least one of the following types of atoms carbon atoms, nitrogen atoms, oxygen atoms, sulfur atoms, and selenium atoms; Z and Z' each individually represent a hydroxyl group, an amino group, an ammonium group, a carboxylic acid group, a salt of a carboxylic acid group, a sulfonic acid group, a salt of a sulfonic acid group, an ether group, a thioether group, a selenoether group, a ureido group, a thioureido group, an oxycarbonylamino group, an acyl group, a sulfonyl group, a carbamoyl group, a carboxamido group, a sulfamoyl group a sulfonamido group, an acyloxy group, a sulfonyloxy group, an oxycarbonyl group, an oxysulfonyl group, or a heterocyclic group; and R" represents an alkyl group, an cycloalkyl group, an alkenyl group, an aralkyl group, or aryl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.