Cyclic dichalcogenide fog inhibiting agents for silver halide ph

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

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430614, 430615, 549332, G03C 134

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active

048617032

ABSTRACT:
Radiation-sensitive silver halide photographic elements are disclosed which are protected against fog by cyclic dichalcogenides. A new cyclic oxaspiro ditelluride is disclosed.

REFERENCES:
patent: 3689273 (1972-09-01), Willems et al.
patent: 4607000 (1986-08-01), Gunther et al.
patent: 4607001 (1986-08-01), Lok et al.
patent: 4699873 (1987-10-01), Takahashi et al.
Gunther et al., Annals New York Academy of Sciences, 192, pp. 25-43 (1972).

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