Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1995-11-22
1997-12-09
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430510, 430517, 430554, G03C 106, G03C 1815, G03C 1825
Patent
active
056959176
ABSTRACT:
A photographic element contains a four-equivalent pyrazolone magenta coupler and a yellow filter dye represented by Formula I. ##STR1## wherein: A is an acidic nucleus selected from the group consisting of benzoylacetonitrile, 2-phenyl-1,1,3-tricyanopropene, 5-pyrazolone, isooxazolone, barbituric acid, thiobarbituric acid, rhodanine, hydantoin, thiohydantoin, oxazolidindione, pyrazolidindione, indandione, pyrazolopyridone, 1,2,3,4-tetrahydroquinolin-2,4-dione,
REFERENCES:
patent: 2533472 (1950-12-01), Keyes et al.
patent: 2538008 (1951-01-01), Keyes et al.
patent: 2538009 (1951-01-01), Keyes et al.
patent: 3627532 (1971-12-01), Depoorter et al.
patent: 4420555 (1983-12-01), Krueger et al.
patent: 4855221 (1989-08-01), Factor et al.
patent: 4857446 (1989-08-01), Diehl et al.
patent: 4861700 (1989-08-01), Shuttleworth et al.
patent: 4900653 (1990-02-01), Factor et al.
patent: 4923788 (1990-05-01), Shuttleworth et al.
patent: 4940654 (1990-07-01), Diehl et al.
patent: 4948717 (1990-08-01), Diehl et al.
patent: 4948718 (1990-08-01), Factor et al.
patent: 4950586 (1990-08-01), Diehl et al.
patent: 5213956 (1993-05-01), Diehl et al.
patent: 5213957 (1993-05-01), Adachi
patent: 5256528 (1993-10-01), Merkel et al.
patent: 5283165 (1994-02-01), Diehl et al.
patent: 5288600 (1994-02-01), Yamanouchi et al.
patent: 5296344 (1994-03-01), Jimbo et al.
patent: 5342743 (1994-08-01), Goto et al.
patent: 5449594 (1995-09-01), Ueda et al.
Brick Mary Christine
Helber Margaret Jones
Nelson John Victor
Eastman Kodak Company
Letscher Geraldine
Rice Edith A.
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