Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1998-12-11
2000-11-14
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430955, 430957, 430505, 430553, 430555, 430557, 430558, G03C 108
Patent
active
061468207
ABSTRACT:
This invention comprises a photographic element having a support bearing at least one silver halide emulsion and at least one DIR coupler of structure I: ##STR1## wherein: Z is a moiety which can react with oxidized developer to release a coupling-off group;
REFERENCES:
patent: Re29379 (1977-08-01), Shiba et al.
patent: 3933500 (1976-01-01), Shiba et al.
Allway Philip A.
Merkel Paul B.
Poslusny Jerrold N.
Steele David A.
Eastman Kodak Company
Letscher Geraldine
Rice Edith A.
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