Silver halide emulsion and silver halide photographic...

Details Silver halide emulsion and silver halide photographic... Silver halide emulsion and silver halide photographic...

2007-06-12

2007-06-12

Visconti, Geraldina (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S599000, C430S607000, C430S567000, C430S550000

Reexamination Certificate

active

10926037

ABSTRACT:
A silver halide emulsion chemically sensitized by a compound of formula (1), (6-1), (6-2) or (7); and a silver halide photographic light-sensitive material containing the silver halide emulsion:Formula (1)E1-Ch-E2Formula (6-1)W1. . . AuX2mFormula (6-2)[W1. . . Au . . . W2]X2mFormula (7)E5-Ch-Au . . . (L2)1wherein Ch is a sulfur, selenium or tellurium atom; E1, E2, and E5each are, for example, a specific methylene group having a substituent; Au is a monovalent or trivalent gold ion; W1and W2each are a specific chalcogen compound; X2is a monovalent anion; m is 1, 2 or 3; L2is a compound that can coordinate with gold through a nitrogen, sulfur, selenium, tellurium or phosphorous atom; and l is 0, 1, 2 or 3.

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