Silver halide radiation-sensitive photographic materials
US4746593A · kind A · utility
12Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1986 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Jul 2, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A negative-acting photographic element comprising a support having coated thereon one or more layers of a radiation-sensitive silver halide emulsion, at least one of the layers containing a hydrazine compound in which the one or more radiation-sensitive silver halide layers contain a first silver halide emulsion having an average grain size of from 0.1 to 0.4 microns and a second silver halide emulsion of particles with an average grain volume of less than one half that of the particles of the first emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.