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    • 5. 发明授权
    • Bleach/fix solution for single-use silver removal in color negative films
    • 漂白/固色解决方案,用于彩色底片中的一次性银清除
    • US06489089B1
    • 2002-12-03
    • US09705404
    • 2000-11-03
    • Eric R. BrownJohn R. Fyson
    • Eric R. BrownJohn R. Fyson
    • G03C742
    • G03C7/42
    • A method of bleaching and fixing a developed silver halide color negative element comprising mixing a bleaching solution containing an oxidizing agent with a fixing solution containing a silver ion solubilizing agent to form a bleach-fixing solution; shortly after or simultaneously with said mixing, bleach/fixing the silver halide element by contacting it with the bleach/fixing solution; and discarding the bleach/fixing solution after one use; wherein the bleach/fixing step is performed at an elevated temperature; and wherein the silver halide color negative element comprises a silver bromoiodide emulsion with an average iodide content of more than 1 mol % iodide.
    • 一种漂白和固定显影的卤化银彩色负性元件的方法,包括将含有氧化剂的漂白溶液与含有银离子增溶剂的定影溶液混合以形成漂白剂固定溶液; 在所述混合之后不久或同时进行,通过使其与漂白/定影溶液接触来漂白/固定卤化银元件; 一次使用后丢弃漂白/定影液; 其中所述漂白/定影步骤在升高的温度下进行; 并且其中所述卤化银彩色负片元件包含平均碘化物含量大于1mol%碘化银的溴碘化银乳剂。