Silver halide photographic photosensitive materials and a method for their processing

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United States of America Patent

PATENT NO 5514533
SERIAL NO

08317776

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Abstract

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A silver halide photographic photosensitive material comprises a silver halide photographic emulsion layer and a compound represented by general formula (I): ##STR1## wherein V.sub.1 and V.sub.2 each represents a hydrogen atom, an alkyl group or an alkoxy group; at least one of V.sub.1 and V.sub.2 is an alkyl group or an alkoxy group; Z.sub.1 represents a group of atoms which is required to form a five- or six-membered nitrogen-containing heterocyclic ring; Z.sub.2 represents a group of atoms which is required to form a five- or six-membered nitrogen-containing heterocyclic ring; Z.sub.3 represents an oxygen atom, a sulfur atom or a selenium atom; R.sub.1 and R.sub.3 each represents an alkyl group; R.sub.2 represents an alkyl group, an aryl group or a heterocyclic group; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; M.sub.1 represents a charge neutralizing counter-ion; and m.sub.1 is a number having a value zero or above which is required to neutralize the charge within the molecule.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATIONTOKYO 106-8620

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hioki, Takanori Kanagawa, JP 97 433
Yoshida, Tetsuo Kanagawa, JP 134 1467

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