Silver halide photosensitive material

Details Silver halide photosensitive material Silver halide photosensitive material

2006-02-07

2006-02-07

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S567000, C430S634000, C430S635000, C430S570000, C430S546000, C430S502000

Reexamination Certificate

active

06994953

ABSTRACT:
A silver halide photosensitive material comprises a light-sensitive silver halide emulsion layer on a support. The photosensitive material has a layer comprising an emulsified dispersion containing a surfactant represented by formula (I), and an emulsion containing tabular silver halide grains having an average aspect ratio of 8 or greater, and at least one sensitizing dye.in-line-formulae description="In-line Formulae" end="lead"?(R1-LnJA)m  General formula (I)in-line-formulae description="In-line Formulae" end="tail"?wherein A represents an acid group or a metal salt thereof, R1represents an aliphatic group containing a linear aliphatic group having 6 or more carbon atoms as a partial structure thereof and having the total number of carbon atoms of 17 or more, L represents a bivalent group, J represents a linking group of n+m valence, n is an integer of 1 to 6, and m is an integer of 1 to 3. The molecular weight of surfactant of the formula (I) divided by m is 430 or greater.

REFERENCES:
patent: 0182658 (1986-05-01), None
patent: 61-184542 (1986-08-01), None
patent: 480751 (1992-03-01), None

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