Silver halide emulsions spectrally sensitized to infrared radiat

Details Silver halide emulsions spectrally sensitized to infrared radiat Silver halide emulsions spectrally sensitized to infrared radiat

1991-12-02

1993-10-19

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430202, 430210, 430505, 430581, 430944, 548156, G03C 120

Patent

active

052544559

ABSTRACT:
This invention relates to photographic silver halide emulsions spectrally sensitized to infrared radiation above 800 nm and to a class of pentamethine cyanine dyes of 5-fluorobenzothiazole derivatives useful as the infrared sensitizing dyes.

REFERENCES:
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patent: 4046572 (1977-09-01), Hinata et al.
patent: 4076529 (1978-02-01), Fleckenstein et al.
patent: 4387155 (1983-06-01), Hill et al.
patent: 4603098 (1986-07-01), Franke et al.
Patent Abstracts of Japan, vol. 10, No. 89, 1986.
Kiprianov, A. I., Yagupolsky, L. M., J. Chem. USSR, 20, 2111; Eng. Trans. 2187 (1950).

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