Silver halide light-sensitive material containing a compound releasing a photographically useful group

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United States of America Patent

PATENT NO 4994363
SERIAL NO

07286562

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Abstract

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A novel silver halide light-sensitive material is provided, comprising a compound represented by the general formula (I): ##STR1## wherein EAG represents an aromatic group which receives electrons from a reducing substance; R.sup.1 represents hydrogen atom or a substituent; R.sup.2 represents an electrophilic group, with the proviso that R.sup.1 and R.sup.2 may be in the position of cis or trans to each other; R.sup.3 and R.sup.4 each represents hydrogen atom or a hydrocarbon group; ETG represents a group capable of transferring electrons; e represents an integer 0 or 1; Time represents a group which undergoes reaction triggered by the cleavage from the carbon carrying R.sup.3 and R.sup.4 to release PUG; t represents an integer 0 or 1; and PUG represents a photographically useful group. In a preferred embodiment, R.sup.1 represents an aromatic group, heterocyclic group or group represented by --Y.sup.1 --R.sup.5 in which Y.sup.1 represents a hetero atom or hetero atomic group and R.sup.5 represents hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group. R.sup.2 represents an acyl group, carbamoyl group, alkoxycarbonyl group, cyano group, sulfonyl group or nitro group. R.sup.1 is a group represented by --Y.sup.1 --Y.sup.2 --R.sup.6 in which Y.sup.1 and Y.sup.2 each represents a hetero atom or hetero atomic group and may be the same or different and R.sup.6 represents hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.

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Patent Owner(s)

Patent OwnerAddress
MEYER/GLASS DESIGN LTD1714 NORTH DAMEN AVE ATTN MARC WHIPPLE CHICAGO IL 60647

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koya, Keizo Kanagawa, JP 100 1179
Nakamura, Koki Kanagawa, JP 139 998
Watanabe, Hiroyuki Kanagawa, JP 670 6656
Yoshioka, Yasuhiro Kanagawa, JP 125 312

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