发明名称 Method for replenishing an ascorbic acid developer
摘要 The present invention concerns a method of replenishing an ascorbic acid developer used for developing silver halide photographic products. The method of the invention comprises the treatment of the developer by means of a resin having a greater selectivity for bromide ions than for carbonate ions and the replenishment of this developer by means of a solution, the concentration of the main components of which is predetermined in accordance with the quantity of developed silver. This invention simplifies the replenishment of ascorbic acid developers.
申请公布号 US5869223(A) 申请公布日期 1999.02.09
申请号 US19970947420 申请日期 1997.10.08
申请人 EASTMAN KODAK COMPANY 发明人 ROUSSILHE, JACQUES
分类号 G03C5/30;G03C5/31;(IPC1-7):G03C5/31 主分类号 G03C5/30
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