Silver halide photographic light-sensitive elements containing w

Details Silver halide photographic light-sensitive elements containing w Silver halide photographic light-sensitive elements containing w

1988-06-20

1990-04-24

Brammer, Jack B.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430576, 430581, 546119, 546120, G03C 184

Patent

active

049200313

ABSTRACT:
There are provided by the invention silver halide photographic light-sensitive materials containing dyestuff(s) represented by the general formula (I): ##STR1## wherein R.sup.1, R.sup.3, R.sup.4, R.sup.6, L.sub.1, L.sub.2, L.sub.3, Z.sup.1 and Z.sup.2 are groups conventional in this technical field, and R.sup.2 and R.sup.5 each represent an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted heterocyclic group, COR.sup.7 and SO.sub.2 R.sup.7 (wherein R.sup.7 represents an optionally substituted alkyl group or an optionally substituted aryl group) (including the case where the dyestuff(s) is(are) in the form of salt(s)).
The dyestuff(s) act(s) as a coloring agent for colored layer(s) for color filtering, antihalation, antiiradiation, etc.
Silver halide photographic light-sensitive materials containing dyestuffs represented by the general formula (I) of the invention have remarkable effects, for example, that stability of dyestuffs in the membrane with time lapse is high, relative sensitivity is high, lowering of sensitivity in exposure to light under high humidity is small, image quality is excellent, there is only a little remaining color, and/or there is only a little fog, as compared with silver halide photographic light-sensitive materials containing conventional dyestuffs for the aforementioned purposes.

REFERENCES:
patent: 3746539 (1973-07-01), Ohmatsu et al.
patent: 4102688 (1978-07-01), Sugiyama et al.
patent: 4130430 (1978-12-01), Sugiyama et al.
patent: 4187225 (1987-02-01), Bader et al.

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