Photographic silver halide material and process
US5049484A · kind A · utility
17Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1990 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Improved chemical sensitization is provided by a photographic silver halide emulsion chemically sensitized with water-soluble gold(I) compound represented by the formula: ##STR1## wherein Z represents the substituted or unsubstituted nitrogen and carbon atoms necessary to complete a 5- or 6-member imide nucleus; and M is a cation. Such a chemically sensitized photographic silver halide emulsion is useful in a photographic silver halide element and process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.