Au(I) sensitizers for silver halide emulsions

Year	Description
1997	Invention patented by Roger Lok, Weimar W. White, and Melanie W. Marshall on December 22th, 1997. Abstract: This invention relates to a silver halide photographic element comprising a support and a silver halide emulsion layer, the emulsion layer comprising a Au(I) compound having the formula wherein Z is a substituted or unsubstituted alkyl, aryl, alkylaryl, or heterocyclic group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently substituted or unsubstituted alkyl, aryl, alkylaryl, or heterocyclic groups, or one or both of R.sub.1 and R.sub.2 or R.sub.3 and R.sub.4, may independently combine to form a nitrogen containing ring with the nitrogen to which they are attached.
Source: selected by the editor from original sources.

Invention: Au(I) sensitizers for silver halide emulsions