Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1993-05-03

1994-05-17

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430510, 430522, 430944, 430593, 430594, 430595, G03C 1815, G03C 1825

Patent

active

053127226

ABSTRACT:
Disclosed is a silver halide photographic material containing at least one dye of formula (Ia), (Ib), (Ic), or (Id): ##STR1## wherein R.sup.1, R.sup.2, R.sup.9 and R.sup.10 may be the same or different and each represents an alkyl group; Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 each represents a non-metallic atomic group necessary for forming a nitrogen-containing hetero ring; R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.11, R.sup.12, R.sup.13 and R.sup.14 may be the same or different and each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; R.sup.7, R.sup.8, R.sup.15 and R.sup.16 may be the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group or a hydroxyl group; R.sup.3 and R.sup.4, R.sup.5 and R.sup.6, R.sup.11 and R.sup.12, R.sup.13 and R.sup.14, R.sup.3 and R.sup.7, R.sup.5 and R.sup.8, R.sup.11 and R.sup.15, or R.sup.13 and R.sup.16 may be bonded to each other to form a 5-membered or 6-membered ring; and m and n each represents an integer of from 1 to 4; provided that the dye molecule contains at least two acidic substituents.

REFERENCES:
patent: 3793313 (1974-02-01), Rillaers et al.
patent: 4353971 (1982-10-01), Chang et al.
patent: 4933269 (1990-06-01), Parton et al.
patent: 5190849 (1993-03-01), Santoh et al.

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