Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1996-05-10
1997-10-14
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
G03C 7384
Patent
active
056771185
ABSTRACT:
The invention provides a photographic element comprising a support bearing at least one silver halide emulsion layer having associated therewith a 5-pyrazolone photographic coupler represented by the formula (I): ##STR1## wherein a) substituents G.sup.1, G.sup.2 and G.sup.3 are individually selected from the group consisting of hydrogen, halogen, alkyl, alkoxy, aryloxy, acylamino, alkylthio, arylthio, sulfonamido, sulfamoyl, sulfamido, carbamoyl, diacylamino, alkoxycarbonyl, aryloxycarbonyl, alkoxysulfonyl, aryloxysulfonyl, alkylsulfonyl, alkylsulfoxyl, arylsulfoxyl, arylsulfonyl, alkoxycarbonylamino, aryloxycarbonylamino, alkylureido, arylureido, acyloxy, nitro, cyano, and carboxy groups;
REFERENCES:
patent: 5256528 (1993-10-01), Merkel et al.
patent: 5262292 (1993-11-01), Krishnamurthy et al.
patent: 5389504 (1995-02-01), Ling et al.
patent: 5447830 (1995-09-01), Pawlak et al.
patent: 5462848 (1995-10-01), Merkel et al.
patent: 5576166 (1996-11-01), Sugita et al.
Cowan Stanley Wray
Krishnamurthy Sundaram
McGarry Ruthann M.
Spara Paul Patrick
Eastman Kodak Company
Kluegel Arthur E.
Wright Lee C.
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