Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1986-12-12
1988-06-28
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430553, G03C 734, G03C 738
Patent
active
047538716
ABSTRACT:
Novel phenolic cyan dye-forming couplers contain a p-cyanophenylureido group in the 2-position and in the 5-position an acylamino group containing bulky alicyclic or heterocyclic substituents sufficient to provide steric interaction within the coupler molecule and the dye molecule derived therefrom. The couplers are useful in photographic emulsions.
REFERENCES:
patent: 4333999 (1982-06-01), Lau
patent: 4434225 (1984-02-01), Sugita et al.
patent: 4513079 (1985-04-01), Sakanoue et al.
patent: 4518683 (1985-05-01), Kato et al.
Hoke David
Kilminster Kenneth N.
Eastman Kodak Company
Kirchoff Thomas F.
Martin Roland E.
Wright Lee C.
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