Silver halide photographic material
US5397689A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1993 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Jul 23, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/39216
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic material is disclosed which comprises a support having thereon at least one layer containing at least one member of compounds represented by the following general formula (1) or (2): ##STR1## wherein L represents an unsubstituted alkylene group; X represents --O(C.dbd.O)R.sub.2, --O(P.dbd.O) (R.sub.2) (R.sub.3) or a halogen atom; R.sub.1 represents a substituent group; R.sub.2 and R.sub.3 each represents a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group or a substituted or unsubstituted amino group; n represents 0, 1 or 2 and when n is 2, two R.sub.1 groups may be the same or different; R.sub.4 represents an unsubstituted alkyl group having 2 to 20 carbon atoms; and R.sub.5 represents an unsubstituted alkyl group, the number of carbon atoms of which is larger by 2 than the number of carbon atoms of R.sub.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.