Photographic emulsion containing copper halide host crystals
US4350758A · kind A · utility
3Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1980 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Nov 3, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/03552
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic emulsion containing composite crystals of (a) silver halide and (b) copper halide or a solid solution crystal of copper halide and silver halide is found to be sufficiently photosensitive and developable. In such a photographic emulsion, the amount of silver used can significantly be decreased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.