Silver halide grain, silver halide emulsion and preparation method thereof
US5851750A · kind A · utility
0Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1996 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Sep 13, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/29
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide grain is disclosed, having one or more chemical sensitization clusters, and a largest size of the clusters being not less than 1.2 nm and less than 4.0 nm in diameter. A silver halide emulsion containing silver halide grains, as above-described and a preparation method are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.