Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Reexamination Certificate
2006-09-19
2006-09-19
Letscher, Geraldine (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
C430S543000, C430S546000, C430S551000, C430S556000, C430S557000
Reexamination Certificate
active
07108963
ABSTRACT:
A photographic element comprises a silver halide emulsion layer having associated therewith a dye forming coupler and a combination of a carbonamide compound, a phenolic compound, and an electron-rich compound. Such a combination provides improved dye stability.
REFERENCES:
patent: 6071686 (2000-06-01), Cowan et al.
patent: 6846620 (2005-01-01), Mura, Jr. et al.
Eiff Shari L.
Mura, Jr. Albert J.
Russo Gary M.
Thomas Brian
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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