Silver halide color photographic light-sensitive elements having

Details Silver halide color photographic light-sensitive elements having Silver halide color photographic light-sensitive elements having

1996-04-08

1998-04-07

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430544, 430557, 430957, G03C 146

Patent

active

057363072

ABSTRACT:
Silver halide photographic element comprising a support having coated thereon red-, green- and blue-sensitive silver halide emulsion layers comprising, respectively, cyan, magenta and yellow dye-forming couplers, wherein at least one silver halide emulsion layer comprises a yellow dye-forming DIR coupler having a 1,2,4-triazolyl group attached to the coupling position, said 1,2,4-triazolyl group comprising a hydrolyzable alkoxy- or aryloxy-carbonyl group attached to a benzylthio substituent on the 1,2,4-triazolyl group.
Preferably, the yellow dye-forming DIR coupler is represented by the formula ##STR1## wherein R.sub.1 represents an alkyl group, an aryl group or --NHR.sub.5, wherein R.sub.5 represents an alkyl group or an aryl group,

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patent: 4897341 (1990-01-01), Odenwalder et al.
patent: 5021331 (1991-06-01), Vetter et al.
patent: 5200306 (1993-04-01), Odenwalder et al.

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