Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1988-04-08
1990-06-26
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430569, 430596, 430604, 430605, 430606, 430612, G03C 106
Patent
active
049371800
ABSTRACT:
Photographic emulsions are disclosed comprised of radiation sensitive silver bromide grains optionally containing iodide. The grains exhibit a face centered cubic crystal lattice structure and are formed in the presence of a hexacoordination complex of rhenium, ruthenium, or osmium with at least four cyanide ligands.
REFERENCES:
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patent: 3890154 (1975-06-01), Ohkubo et al.
patent: 4126472 (1978-11-01), Sakai et al.
patent: 4147542 (1979-04-01), Habu et al.
patent: 4643965 (1987-02-01), Kubota et al.
patent: 4835093 (1989-05-01), Janusonis et al.
Research Disclosure, vol. 176, Dec. 1978, Item 17643, Section IA.
D. M. Samoilovich, "The Influence of Rhodium and Other Polyvalent Ions on the Photographic Properties of Silver Halide Emulsions", in a paper presented to 1978 International Congress of Photographic Science, Rochester Institute of Technology, Aug. 20-26, 1978.
At the 1982 International Congress of Photographic Science at the University of Cambridge, R. S. Eachus presented a paper titled, "The Mechanism of IR.sup.3+ Sensitization of Silver Halide Materials".
Eachus Raymond S.
Marchetti Alfred P.
McDugle Woodrow G.
Baxter Janet C.
Eastman Kodak Company
Martin Roland E.
Thomas Carl O.
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