| 发明名称 |
Quaternized 2,1,4-benzoxatellurazinium and 2,1,4-naphthoxatellurazinium salt derivitives |
| 摘要 |
Radiation sensitive silver halide photographic elements are disclosed which are protected from fog by quaternized aromatic oxatellurazinium salts. The aromatic oxatellurazinium salts can be initially incorporated in the photographic element as manufactured or during processing.
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| 申请公布号 |
US4677202(A) |
申请公布日期 |
1987.06.30 |
| 申请号 |
US19860899571 |
申请日期 |
1986.08.25 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
PRZYKLEK-ELLING, ROSEMARY;GUNTHER, WOLFGANG H. H.;LOK, ROGER |
| 分类号 |
C07D293/10;C07D295/10;G03C1/34;(IPC1-7):C07D293/10 |
主分类号 |
C07D293/10 |
| 代理机构 |
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