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US5482827A Hardened silver halide photographic elements 失效
硬化卤化银照相元件

Hardened silver halide photographic elements
摘要:
Light-sensitive silver halide photographic elements comprising a support bearing at least one gelatin-containing silver halide emulsion layer, wherein the silver halide emulsion is chemically sensitized with sulfur and gold in the presence of a sulfinic acid compound and the gelatin is hardened with a carbamoylpyridinium salt compound.
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