| 发明名称 |
USE OF SILVER HALIDE DEVELOPMENT ACCELERATORS, PHOTOGRAPHIC FILMS AND PROCESSES FOR DEVELOPING LITHOGRAFIC FILM |
| 摘要 |
Pyrazolo [3,4-d] pyrimidine, and derivatives thereof, can be added to either a silver halide emulsion, or to a hydroquinone (litho) developer to accelerate development and reduce the induction period. |
| 申请公布号 |
DE3163790(D1) |
申请公布日期 |
1984.07.05 |
| 申请号 |
DE19813163790 |
申请日期 |
1981.02.03 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
OVERMAN, JOSEPH DE WITT |
| 分类号 |
G03C1/06;G03C1/10;G03C5/29;G03C5/305;(IPC1-7):G03C5/26;G03C5/24;G03C5/30;G03F7/02;G03F7/06 |
主分类号 |
G03C1/06 |
| 代理机构 |
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