Silver brom(oiod)ide emulsions of increased sensitivity in the n

Details Silver brom(oiod)ide emulsions of increased sensitivity in the n Silver brom(oiod)ide emulsions of increased sensitivity in the n

1991-04-10

1993-11-23

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430570, 430584, 430603, 430605, 430944, G03C 1035, G03C 112

Patent

active

052643360

ABSTRACT:
A photographic emulsion is disclosed in which an infrared spectral sensitizing dye is adsorbed to the surface of silver bromide grains optionally containing iodide. The grains are formed in the presence of a hexacoordination complex of iron and at least three cyanide ligands to counteract dye desensitization.

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patent: 4147542 (1979-05-01), Habu et al.
patent: 4770961 (1988-09-01), Tanaka et al.
patent: 4937180 (1990-06-01), Marchetti et al.
patent: 4975362 (1990-12-01), Parton et al.
patent: 5037732 (1991-08-01), McDugle et al.
patent: 5132203 (1992-07-01), Bell et al.

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