Photographic silver halide material and process

Details Photographic silver halide material and process Photographic silver halide material and process

1990-11-16

1991-09-17

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430612, G03C 109

Patent

active

050494848

ABSTRACT:
Improved chemical sensitization is provided by a photographic silver halide emulsion chemically sensitized with water-soluble gold(I) compound represented by the formula: ##STR1## wherein Z represents the substituted or unsubstituted nitrogen and carbon atoms necessary to complete a 5- or 6-member imide nucleus; and M is a cation. Such a chemically sensitized photographic silver halide emulsion is useful in a photographic silver halide element and process.

REFERENCES:
patent: 2642361 (1953-06-01), Damschroder et al.
patent: 4772545 (1988-09-01), Nishiyama et al.
patent: 4810626 (1989-03-01), Burgmaier et al.
Research Disclosure, Item No. 308119, Dec. 1989, Section III & References mentioned therein.
Journal of Chem. Society Chem. Comm., 711 (1978), by Malik, Sadler, Neidle and Taylor.

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