Silver halide photographic materials and a process forming relief images
US4283479A · kind A · utility
8Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1980 |
| Grant date | Aug 11, 1981 |
| Priority date | — |
| Expiry date | Feb 22, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C5/3021
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Silver halide photographic materials providing wash-off relief images and having excellent shelf life comprising a support having formed thereon at least a silver halide photosensitive emulsion layer and said silver halide emulsion layer or another hydrophilic colloid layer containing a polyhydroxy-spiro-bis-chroman tanning developing agent and a gallic acid alkyl ester is disclosed with a process forming relief images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.