Silver halide photographic light-sensitive material containing o

Details Silver halide photographic light-sensitive material containing o Silver halide photographic light-sensitive material containing o

1989-09-27

1990-10-02

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430595, G03C 1825

Patent

active

049606867

ABSTRACT:
A silver halide photographic light sensitive material containing a water-soluble oxonol dye is disclosed. The dye is represented by the following Formula I: ##STR1## wherein R.sup.1 and R.sup.2 are each a hydrogen atom, an alkyl group, an aryl group or a alkenyl group; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each a hydrogen atom, an alkyl group, an aryl group, an alkenyl group or a heterocyclic group provided that at least one of said R.sup.3 , R.sup.4, R.sup.5 and R.sup.6 is a heterocyclic group and R.sup.3 and R.sup.4, and R.sup.5 and R.sup.6 are respectively allowed to bond to form a heterocyclic ring; and the groups represented by said R.sup.1 through R.sup.6 are allowed to be substituted or unsubstituted provided that at least one of said groups a water-solubilizing group or a group having a water solubilizing group; L.sub.1, L.sub.2 and L.sub.3 are each a substituted or unsubstituted methine group; and n is an integer of zero, 1 or 2.

REFERENCES:
patent: 3984246 (1976-10-01), Ohlschlager et al.
patent: 4130430 (1978-12-01), Jugiyama et al.

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