发明名称 Black and white photographic elements
摘要 A photographic element comprising a light-sensitive, Group VIII metal doped, black and white silver halide photographic emulsion layer containing less than 0.001 mol of hydrazine compound per mol of silver and comprising in said photographic layer and/or in an adjacent layer one or more compounds having a hydroxamic acid group. The presence of the hydroxamic acid compound improves contrast.
申请公布号 EP0710876(A1) 申请公布日期 1996.05.08
申请号 EP19950307574 申请日期 1995.10.24
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 WALLIS, JULIAN M.;ROLLERI, GIUSEPPE ARENZANO;OLIFF, DAVID B.;SANSBURY, FRANCIS H.
分类号 G03C1/06;G03C1/07;G03C1/09;(IPC1-7):G03C1/06 主分类号 G03C1/06
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