Silver halide photographic material and hydroxamic acid-based compound used therefor
US6057090A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1996 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Sep 18, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39236
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic material is described, which contains the compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkylene group having from 1 to 5 carbon atoms; X represents a water-soluble group; and R.sup.2 represents a substituted or unsubstituted alkyl group having the sum total of from 14 to 40 carbon atoms, an alkenyl group, an aryl group, an alkoxyl group, --NR.sup.3 R.sup.4 (R.sup.3 and R.sup.4 each independently represents an alkyl group having from 1 to 40 carbon atoms, a hydrogen atom, or an aryl group), a bicycloalkyl group, a bicycloalkenyl group, a cycloalkyl group, a cycloalkenyl group or a heterocyclic group, provided that when X represents a quaternary ammonium salt structure, R.sup.2 does not represent an alkyl group having from 14 to 17 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.