Infrared-sensitive photographic element

Details Infrared-sensitive photographic element Infrared-sensitive photographic element

1990-03-28

1991-10-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430502, 430503, 430506, 430508, 430572, 430573, 430576, 430578, 430581, 430944, G03C 120, G03C 128

Patent

active

050616188

ABSTRACT:
A photographic element is described comprising a support having thereon a silver halide emulsion layer where the silver halide is sensitized with a dye having the formula: ##STR1## wherein where Z.sub.1, Z.sub.2, Z.sub.3, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and X are as defined herein.

REFERENCES:
patent: 2955939 (1960-10-01), Brooker et al.
patent: 4515888 (1985-05-01), Beretta et al.
patent: 4536473 (1985-08-01), Mihara
patent: 4619892 (1989-01-01), Simpson et al.
patent: 4801525 (1989-01-01), Mihara et al.
patent: 4917997 (1990-04-01), Ikeda et al.
patent: 4965182 (1990-10-01), Mihara
Y. L. Slominski et al., UKR Khim Zh. No. 6 vol. 40, pp. 625-629 (1974) Tricarbocyanines with Hydrocarbon Rings in the Chromophore.
Y. L. Slominski et al., Zh, Org. Khim. No. 2 vol. 15, pp. 400-407 (1979) Polymethine Dyes with Hydrocarbon Bridges Effect of Substituents in the Chromophore on the Color of Tricarbocyanines.

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