Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1998-02-06
1999-12-28
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430553, 430555, 430557, 430558, 430955, 430957, G03C 108, G03C 726, G03C 732
Patent
active
060079746
ABSTRACT:
This invention relates to a photographic element comprising a support having situated thereon at least one silver halide emulsion layer, the element further containing an image modifying coupler which upon reaction with oxidized color developing agent during processing forms a dye, said image modifying coupler represented by the formula ##STR1## wherein COUP is a photographic coupler moiety;
REFERENCES:
patent: 3617291 (1971-11-01), Sawdey
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 5356764 (1994-10-01), Szajewski et al.
patent: 5759757 (1998-06-01), Begley et al.
Patent Abstracts of Japan, vol. 012, No. 406 (P-777), Oct. 24, 1988 & JP 63 144353 A, Jun. 16, 1988.
Begley William J.
Chen Teh-Hsuan
Coms Frank D.
Singleton, Jr. Donald
Eastman Kodak Company
Letscher Geraldine
Roberts Sarah Meeks
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