Method of forming silver halide photographic cyan dye image
US5415990A · kind A · utility
1Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1994 |
| Grant date | May 16, 1995 |
| Priority date | — |
| Expiry date | Apr 7, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3815
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel cyan coupler for photographic dye, a process of forming a dye using the coupler and a photographic material containing the cyan coupler are disclosed. The coupler is represented by formula ##STR1## R, R.sub.1, X, m and n are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.