Organic halogen compounds for negative-working silver halide emu

Details Organic halogen compounds for negative-working silver halide emu Organic halogen compounds for negative-working silver halide emu

1980-08-01

1982-04-06

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430599, 430607, 430613, 430966, G03C 102

Patent

active

043236456

ABSTRACT:
Small amounts of specific organic halogen compounds added to medical X-ray emulsions (ex. 2-chloro-4-nitrobenzyl chloride, 2,2,2-trichloroethanol and m-nitrobenzyl chloride) give significantly reduced fog levels accompanied by little or no speed loss.

REFERENCES:
patent: 2418629 (1947-04-01), Fallesen
patent: 3146104 (1964-08-01), Yackel et al.
patent: 3420667 (1969-01-01), Copeland
patent: 3523795 (1970-08-01), Ohkubo et al.
patent: 3632340 (1972-01-01), Illingsworth
patent: 4132551 (1979-01-01), Pollet et al.

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