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公开(公告)号：EP1315040A3
公开(公告)日：2003-08-06
申请号：EP02079464.0
申请日：2002-10-18
发明人： Schmittou, Eric Richard, c/o Eastman Kodak Company , Salsedo, Cynthia Ann, c/o Eastman Kodak Company
CPC分类号： G03C5/3952 , G03C7/407
摘要： This relates to a method of rendering a used photographic processing solution less corrosive to low carbon steel comprising: taking at least a used photographic processing solution containing a color developing agent and a used photographic processing solution containing a bleaching agent; delivering the used photographic processing solutions to a collection vessel to form a used photographic processing composition; and adjusting the pH of the used photographic processing composition to 6.5 to 11.
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2.发明公开Photographic fixing composition containing an oxadiazolthione and method of rapid photographic processing 审中-公开含有Oxadiazolthion连接和快速照相冲洗加工方法照相定影组合物
公开(公告)号：EP1030218A3
公开(公告)日：2000-08-30
申请号：EP00200376.2
申请日：2000-02-04
发明人： Schmittou, Eric Richard, c/o Eastman Kodak Company , Foster, David George, c/o Eastman Kodak Company
CPC分类号： G03C7/421
摘要： Color photographic silver halide elements, such as color films, can be rapidly fixed using a fixing composition containing a thiosulfate fixing agent, and certain sulfur-substituted oxadiazoles (that is oxadiazolethiones). Each of the components is present in specific amounts to effect rapid and efficient desilvering. The composition also includes predominantly ammonium cations (at least 50 mol%). Besides effective and rapid silver removal (less than 60 seconds), the fixing composition also minimizes residual dye stain from sensitizing dye aggregates within the photographic elements.
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