Lith-type silver halide photographic light-sensitive material
US4121935A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1977 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | Aug 8, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lith-type silver halide photographic light-sensitive material for forming halftone dot images is disclosed which contains a sensitizing dye represented by the following general formula: ##STR1## WHEREIN Z.sub.1 is an atomic group necessary for forming a naphthothiazole ring, Z.sub.2 is an atomic group necessary for forming a member selected from a group consisting of substituted or unsubstituted, benzothiazole, benzoselenazole, naphthothiazole and naphthoselenazole nucleus, R.sub.1 and R.sub.2 are respectively a substituted or unsubstituted alkyl group, X.sup..theta. is an anion, and n is a positive integer of 1 or 2 with the proviso that when the dye is an inner salt, n is 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.