Photographic silver halide light-sensitive material

Details Photographic silver halide light-sensitive material Photographic silver halide light-sensitive material

1978-09-22

1980-10-14

Brown, Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430553, 430558, G03C 700

Patent

active

042282330

ABSTRACT:
A photographic silver halide light-sensitive emulsion containing a cyan dye forming, colorless coupler having, at the coupling position, an alkoxy group having at least one sulfonamido or sulfamoyl group as a substituent and represented by one of the following general formulae (I) and (II): ##STR1## wherein R represents a saturated or unsaturated, divalent aliphatic group (except those having an aryl group as a substituent on the carbon atom adjacent the oxygen atom bonded to the coupling position); R.sub.1, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an aliphatic group, or an aromatic group; and R.sub.2 represents an aliphatic group, an aromatic group or a heterocyclic group; and wherein R.sub.3 and R.sub.4 can combine to form a ring; a photographic silver halide light-sensitive element comprising a support having thereon at least one silver halide emulsion layer and containing at least one of the cyan dye-forming, colorless couplers described above; and an image formation method using the same.

REFERENCES:
patent: 3171740 (1965-03-01), Menzel et al.
patent: 3644498 (1972-02-01), Loria
patent: 3737316 (1973-06-01), Salminen et al.
patent: 3930866 (1976-01-01), Oishi et al.
patent: 3933501 (1976-07-01), Cameron et al.
patent: 4012258 (1977-03-01), Kojima et al.
patent: 4126462 (1978-11-01), Endo et al.

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