Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1996-10-04
1999-11-16
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430543, G03C 108, G03C 726, G03C 732
Patent
active
059855320
ABSTRACT:
The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a dye-forming coupler having formula I: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl, aryl, and heterocyclic groups;
REFERENCES:
patent: 5387500 (1995-02-01), Ling et al.
Bose Judith A.
Friedrich Louis E.
Hoke David
Potenza Joan C.
Romanet Robert F.
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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