Silver halide photographic emulsions for use in flash exposure
US4173483A · kind A · utility
24Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1976 |
| Grant date | Nov 6, 1979 |
| Priority date | — |
| Expiry date | May 25, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic material for use in flash exposure of less than 1/10000 second comprising 10.sup.-8 to 5.times.10.sup.-7 moles/moles of silver halide of at least one compound belonging to Group VIII of the Periodic Table and at least one of the sensitizing dyes of the following formulas (I) or (II) and which is capable of sensitizing silver halide at less than 550 nm: ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, Q, X.sup.(-), Z, Z.sub.1, Z.sub.2, n, n.sub.1, n.sub.2 and n.sub.3 are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.