Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1992-04-23
1993-10-26
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430504, 430383, 430387, G03C 108, G03C 726, G03C 732
Patent
active
052565289
ABSTRACT:
A photographic element and process provide a magenta coupler of the formula: ##STR1## wherein (a) at least one of X1, X2 and R1 and at least one of R2 and R3 is a substituent individually selected from carbamoyl, alkoxycarbonyl, aryloxycarbonyl, sulfamoyl, alkylsulfonyl, arylsulfonyl, alkoxysulfonyl, aryloxysulfonyl, alkylsulfoxyl, arylsulfoxyl, acyloxy, cyano, nitro, and trifluoromethyl;
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Clark Bernard Arthur
Merkel Paul B.
Singer Stephen P.
Stanley Paul Louis R.
Bowers Jr. Charles L.
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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