Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1999-11-04
2000-10-17
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430555, 430955, 430958, 430226, 430359, G03C 108, G03C 726, G03C 732
Patent
active
061329444
ABSTRACT:
Disclosed is a photographic element containing a light sensitive silver halide emulsion layer having associated therewith a coupler represented by Formula I: ##STR1## wherein COUP is a coupler parent group capable of reacting with an oxidized developer to form a first dye and is bonded at a coupling position to the group ##STR2## wherein X is a or NSO.sub.2 R; R is an alkyl or aryl group; and DYE is a releasable second dye that is after release the same color as the first dye and is linked to OC.dbd.X by a moiety of the DYE having Formula (IA): ##STR3## wherein R.sup.2 is a substituent; provided there is contained in the coupler of Formula I at least one group of Formula IB:
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Bonser Steven M.
Dockery Kevin P.
Hoke David
Kim Chang-Kyu
Mooberry Jared B.
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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