Absorbed hydrazide nucleating agents and photographic elements containing such agents
US4278748A · kind A · utility
16Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1979 |
| Grant date | Jul 14, 1981 |
| Priority date | — |
| Expiry date | Jul 25, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel triazole-substituted phenylhydrazide nucleating agents are disclosed as well as silver halide photographic emulsions and elements containing silver halide grains capable of forming an internal latent image having the nucleating agents adsorbed to the surface of the silver halide grains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.