Polyhalomethane compound and photosensitive material

Details Polyhalomethane compound and photosensitive material Polyhalomethane compound and photosensitive material

1997-03-27

2000-06-13

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430607, 430619, G03C 134

Patent

active

060748133

ABSTRACT:
A polyhalomethane compound represented by the following formula and a silver halide photosensitive material containing the same are disclosed. ##STR1## (Q.sub.1 represents a 1,2,4-triazole ring, etc., Z.sub.1 and Z.sub.2 each represents a halogen atom, Y represents --SO.sub.2 --, etc., and A represents a halogen atom, etc.)
The polyhalomethane compound is useful as a highly active antifoggant which enables photosensitive materials, especially of the heat development type, to have excellent raw-stock storage stability and image storage stability when stored in a stacked state, without reducing sensitivity nor impairing color tone.

REFERENCES:
patent: 3874946 (1975-04-01), Costa et al.
patent: 4756999 (1988-07-01), Swain et al.
patent: 5374514 (1994-12-01), Kirk et al.
patent: 5656419 (1997-08-01), Toya et al.

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