Methine compound and silver halide photographic material containing the same
US6333146A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2000 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Mar 10, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/29
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a compound represented by the following formula (I): ##STR1## wherein Z.sub.1 represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring; Z.sub.2 represents an atomic group necessary to form a 5- or 6-membered heterocyclic ring, Z.sub.2 may further be substituted, or may be condensed with a hetero ring or a benzene ring; R.sub.1 represents a hydrogen atom, a halogen atom, a mercapto group, an alkyl group, an alkenyl group, an aryl group, an alkylthio group, an alkenylthio group, or an arylthio group; L.sub.1 and L.sub.2 each represents a methine group; p.sub.1 represents 0 or 1; V.sub.1 represents a substituent; and n represents 0, 1 or 2, and when n represents 2, a plurality of V.sub.1 may be the same or different.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.