Silver halide photographic emulsion
US3973969A · kind A · utility
7Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1975 |
| Grant date | Aug 10, 1976 |
| Priority date | — |
| Expiry date | May 2, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B23/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Silver halide photographic emulsions are supersensitized by a combination of at least one sensitizing dye represent by following general formula (I): ##EQU1## And at least one sensitizing dye represented by following general formula (II): ##SPC1## Specific moieties given in the above formulae are identified in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.