Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1993-04-02
1995-08-01
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430543, 430558, G03C 732, G03C 7392
Patent
active
054379628
ABSTRACT:
A photographic element having at least one photosensitive silver halide layer and associated therewith both a particular type of color coupler and a particular type of stabilizer. The color coupler is of the general formula (1) or (2): ##STR1## wherein A and B represent the same or different electron-withdrawing group,
X is H or a group which splits off on coupling with oxidized color developer,
R is an alkyl, cycloalkyl, aryl or heterocyclic which may be substituted, --COR.sup.1, --CSR.sup.1, SOR.sup.1, SO.sub.2 R.sup.1, --NHCOR.sup.1, --CONHR.sup.1, --COOR.sup.1, --COSR.sup.1, --NHSO.sub.2 R.sup.1 wherein R.sup.1 is an alkyl, cycloalkyl, or aryl group any of which are optionally substituted, and wherein two or more of A, B, R, and X optionally form part of a ring,
Link is a linking group and
n is 0, 1 or 2.
The stabilizer is of the general formula (II), (III) or (IV): ##STR2## wherein the substituents of (II), (III) and (IV) are as defined in the specification.
REFERENCES:
patent: 3043697 (1962-07-01), Forsgard et al.
patent: 3700455 (1972-10-01), Ishikawa et al.
patent: 4360589 (1982-11-01), Kojima et al.
patent: 4404273 (1983-09-01), Forte et al.
patent: 4661437 (1987-04-01), Tschopp
patent: 4748100 (1988-05-01), Umemoto et al.
patent: 4782011 (1988-11-01), Goddard et al.
patent: 5006453 (1991-04-01), Takahashi et al.
patent: 5047314 (1991-09-01), Sakai et al.
patent: 5206129 (1993-04-01), Sato et al.
"Preparation and Reactions of 1,2-dicyano-1,2-disulfonylethylenes" by E. L. Martin, Journal of the American Chemical Society, Aug. 20, 1963 at p. 2449.
Jain Rakesh
Jozefiak Thomas H.
Williamson Hugh M.
Eastman Kodak Company
Stewart Gordon M.
Wright Lee C.
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