Silver halide emulsions with improved heat stability

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

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420600, 420614, 420615, 420567, 420603, G03C 134

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active

056703074

ABSTRACT:
A silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole % silver chloride, said emulsion being in reactive association with a dioxide compound represented by the following formula: ##STR1## wherein b is C(O), C(S), C(Se), CH.sub.2 or (CH.sub.2).sub.2 ; and R.sup.1 and R.sup.2 are independently H, or aliphatic, aromatic or heterocyclic groups, or R.sup.1 and R.sup.2 together represent the atoms necessary to form a five or six-membered ring or a multiple ring system; and a sulfinate compound.

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patent: 5292635 (1994-03-01), Lok
patent: 5328820 (1994-07-01), Klaus et al.
patent: 5356770 (1994-10-01), Lok et al.
patent: 5411855 (1995-05-01), MacIntyre et al.
patent: 5556741 (1996-09-01), Suga et al.

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