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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|