Photographic element, compound, and process
AssigneeEastman Kodak Company
InventorsWilliam J. Begley, Frank D. Coms, Gary M. Russo
Life of this patent
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AssigneeEastman Kodak Company
InventorsWilliam J. Begley, Frank D. Coms, Gary M. Russo
Estimating the term…
Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan “NB coupler” having the formula (I): wherein: the term “NB coupler” represents a coupler of formula (I) that forms a dye for which the left bandwidth (LBW) using spin-coating is at least 5 nm less than that of the same dye in solution form; Y is H or a coupling-off group; each Z″ and Z* is an independently selected substituent group where n is 0 to 4 and p is 0 to 2; W2 represents the atoms necessary to complete a heterocyclic ring group; and V is a sulfone or sulfoxide containing group; provided that the combined sum of the aliphatic carbon atoms in V, all Z″ and all Z* is at least 8. The element exhibits improved cyan dye hue.
A photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan “NB coupler” having the formula (I):
A photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan coupler having the formula (I):
Dependencies are inferred from the claim text.