发明名称 Multilayer direct-positive photographic material and process for preparing the same
摘要 In order to provide a direct-positive material having low contrast and extended latitude that can be manufactured in a consistent and reproducable way a multilayer direct-positive photographic material is disclosed as well as the process to provide it, characterized by the steps of coating on one side of a support at least two layers of direct positive silver halide emulsions of the externally fogged type, at least one layer of which comprises a mixture of direct positive silver halide emulsions of the externally fogged type and at least one layer of which comprises one or more filter dyes; overcoating said emulsion layers with at least one protective layer; coating on the other side of the support at least one backing layer.
申请公布号 US5523197(A) 申请公布日期 1996.06.04
申请号 US19950420563 申请日期 1995.04.12
申请人 AGFA-GEVAERT, N.V. 发明人 HEREMANS, LUC
分类号 G03C1/46;G03C1/485;G03C1/76;G03C1/83;(IPC1-7):G03C1/035 主分类号 G03C1/46
代理机构 代理人
主权项
地址