发明名称 Preventing agglomeration of silicic acid - sols in silver halide emulsion prepn
摘要 Silver halide emulsions are prepared by precipitating silver halide in presence of colloidal silicic acid sol., setting or flaking and washing of emulsion with subsequent ripening, the silicic acid sol containing lower aliphatic alcohols and/or organic polymers to prevent agglomeration of silicic and particles.
申请公布号 DE2015404(A1) 申请公布日期 1971.03.11
申请号 DE19702015404 申请日期 1970.04.01
申请人 发明人
分类号 G03C1/053 主分类号 G03C1/053
代理机构 代理人
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