Silver halide color photographic material
US4618573A · kind A · utility
27Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1985 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | May 10, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/30
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide color photographic material containing a hardener capable of exerting a hardening effect through activation of a carboxyl group and a magenta coupler of the pyrazoloazole type, whereby lowering of color density of magenta images due to use of rapidly acting hardeners can be prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.