Process for preparation of silver halide emulsion employing a do

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430570, 430603, 430605, 430607, 430599, G03C 1025, G03C 1015, G03C 109, G03C 110

Patent

active

056416210

ABSTRACT:
The invention is directed to a process for preparation of a silver halide emulsion comprising providing an unsensitized emulsion, heating to carry out chemical sensitization of said emulsion, cooling said emulsion, heating said emulsion a second time to complete heat treatment.

REFERENCES:
patent: 5338655 (1994-08-01), Kubotera et al.
patent: 5439788 (1995-08-01), Takehara
Research Disclosure Sep. 1994, pp. 510-514.
Article entitled Chemical Sensitization and Environmental Effects by Harbison and Spencer pp. 149-159.

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