Photographic element, compound, and process
AssigneeEastman Kodak Company
InventorsWilliam J. Begley, Brian Thomas
Life of this patent
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AssigneeEastman Kodak Company
InventorsWilliam J. Begley, Brian Thomas
Estimating the term…
Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan coupler having the formula: wherein: the term “NB coupler” represents a coupler of formula (I) that forms a dye with the developer 4-amino-3-methyl-N-ethyl-N-(2-methanesulfonamidoethyl) aniline sesquisulfate hydrate for which the left bandwidth (LBW) using spin-coating is at least 5 nm less than that of the same dye in solution form; V is a sulfone, sulfoxide or sulfonamide-containing group; Y is H or a coupling-off group; each Z′, Z″ and Z* is an independently selected substituent group where n and p are independently 0 to 2; X1 and X2 are halogen atoms and may be the same or different; and provided that the combined sum of the aliphatic carbon atoms in V, all Z′, Z″ and all Z* is at least 8.
A photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan “NB coupler” having the formula:
A photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan coupler having the formula:
Dependencies are inferred from the claim text.