Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1983-09-27
1985-09-03
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430567, G03C 102
Patent
active
045392900
ABSTRACT:
A pulsed flow, balanced double jet precipitation process is disclosed in which a silver salt solution and a halide salt solution are each separately introduced into and diluted by a gelatin solution disposed in both a primary and secondary mixing zone defined within a reaction vessel. The pulses of a predetermined volume of the silver salt solution and the halide salt solution are alternately introduced at substantially the same point in the primary mixing zone with a predetermined pause between each pulse.
REFERENCES:
patent: 3415650 (1968-12-01), Frame et al.
patent: 3790386 (1974-02-01), Posse et al.
patent: 3917485 (1975-11-01), Morgan
patent: 4242445 (1980-12-01), Saito
patent: 4251627 (1981-02-01), Calamur
patent: 4335199 (1982-06-01), Mickewich et al.
Downey Mary F.
E. I. Du Pont de Nemours and Company
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