Photographic silver halide emulsions

Details Photographic silver halide emulsions Photographic silver halide emulsions

Filed on

1997-07-17

Date issued

1998-10-13

Examiner

Huff, Mark F.

Patent Class

Radiation imagery chemistry: process, composition, or product th

SubClass

Radiation sensitive product

SubSubClass

Silver compound sensitizer containing

Other Related Categories

430604, 430605, G03C 128, G03C 109

Type

Patent

Status

active

Patent number

058210440

Description

ABSTRACT:
A spectrally sensitised photographic silver halide emulsion which is super-sensitised with an aromatic complex having a central transition metal atom which is present in a valence state which is not the highest possible for the metal concerned and which complex contains at least one non-aromatic complex ligand, is distinguished by increased sensitivity.

REFERENCES:
patent: 4607006 (1986-08-01), Hirano et al.
patent: 5457022 (1995-10-01), Hioki et al.
patent: 5578440 (1996-11-01), Hioki et al.
patent: 5667958 (1997-09-01), Hioki et al.

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Also associated with

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