Silver halide photographic material
US4675276A · kind A · utility
8Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Sep 12, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/346
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A silver halide photographic material containing a mesoionic 1,2,4-triazolium-3-thiolate compound in at least one hydrophilic colloidal layer of the silver halide photographic material gives photographic images having stable and excellent quality without being accompanied by the increased formation of fog and increased changes of sensitivity and gradation upon high temperature processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.