Photographic silver halide emulsion containing contrast improving dopants

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United States of America Patent

PATENT NO 5597686
SERIAL NO

08429989

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Abstract

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The present invention provides a photographic emulsion comprising a silver halide grains containing at least two dopants. The dopants comprise an osmium-based transition metal complex containing a nitrosyl or thionitrosyl ligand, and a transition metal complex containing a transition metal selected from Group 8 of the periodic table.

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Patent Owner(s)

Patent OwnerAddress
EASTMAN KODAK COMPANY343 STATE STREET PATENT LEGAL STAFF ROCHESTER NY 14650-0208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bell, Eric L Webster, NY 23 254
MacIntyre, Gladys L Clyde, NY 5 20

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