Gold(I) sensitizers for silver halide emulsions

Details Gold(I) sensitizers for silver halide emulsions Gold(I) sensitizers for silver halide emulsions

1998-02-18

1999-06-15

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430605, 430567, 430569, 556113, G03C 109, C07F 112

Patent

active

059121114

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 ##STR1## 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.

REFERENCES:
patent: 3503749 (1970-03-01), Tavernier et al.
patent: 4284717 (1981-08-01), Toya et al.
patent: 5015567 (1991-05-01), Suga et al.
patent: 5049484 (1991-09-01), Deaton
patent: 5220030 (1993-06-01), Deaton
patent: 5252455 (1993-10-01), Deaton
patent: 5391727 (1995-02-01), Deaton
patent: 5620841 (1997-04-01), Lok et al.
patent: 5686236 (1997-11-01), Lok et al.
patent: 5700631 (1997-12-01), Lok et al.
Japanese Abstract No. 8069075 A, Derwent Info. Ltd.

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