Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1988-09-29
1989-12-05
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430549, 430552, G03C 734
Patent
active
048852341
ABSTRACT:
The present invention describes photographic materials containing stable phenolic cyan dye-forming coupler formulations which include a coupler having a p-cyanophenylureido group in the 2 position and an acylamino ballast having a sulfone group in the 5-position of the phenolic ring.
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patent: 4333999 (1982-07-01), Lau
patent: 4451558 (1984-03-01), Sugita et al.
patent: 4518683 (1985-11-01), Kato et al.
patent: 4775616 (1988-10-01), Kilminster et al.
Eastman Kodak Company
Kirchoff Thomas F.
Schilling Richard L.
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