Process for concentrating yellow silver sols

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing

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Other Related Categories

106125, 106135, 75118P, 430512, 430513, G03C 184, G03C 105

Type

Patent

Status

active

Patent number

044290381

Description

ABSTRACT:
A yellow silver sol containing a binder is concentrated by flocculation in the presence of a calcium-free gelatin, a water-soluble chloride being added to the flocculation and/or after the redispersion.

REFERENCES:
patent: 2806798 (1957-09-01), Weaver
patent: 3459563 (1969-08-01), Terashima et al.
patent: 3615789 (1971-10-01), Schaller
patent: 3655412 (1972-04-01), Kumai et al.
patent: 4094811 (1978-06-01), Botta et al.

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