发明名称 |
Photographic materials comprising azo sensitizing dyes |
摘要 |
Certain azo compounds are useful as spectral sensitizing dyes in photographic silver halide materials, and particularly in photothermographic materials. These azo compounds comprise moieties capable of forming substantially insoluble silver salts thereby substantially improving sensitization of silver halides.
|
申请公布号 |
US4142901(A) |
申请公布日期 |
1979.03.06 |
申请号 |
US19770846665 |
申请日期 |
1977.10.28 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
HOLSTEAD, COLIN;KILMINSTER, KENNETH N.;SIMONS, MICHAEL J. |
分类号 |
C09B29/08;C09B29/15;C09B29/18;G03C1/10;G03C1/498;(IPC1-7):G03C1/10;G03C1/02 |
主分类号 |
C09B29/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|