Au(I) sensitizers for silver halide emulsions
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United States of America Patent
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Jun 15, 1999
Grant Date -
N/A
app pub date -
Mar 5, 1998
filing date -
Mar 5, 1998
priority date (Note) -
Expired
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Abstract
A photographic element comprising a support having situated thereon a silver halide emulsion layer, said emulsion layer comprising a compound of the formula: Z--S--Au(I)--S--Q (I) wherein Z represents an alkyl, aryl, or heterocyclic group; and Q represents a heterocyclic group wherein S and Q together represent a mesoionic group.
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