| 发明名称 |
Photographic developing agents and compositions containing them. |
| 摘要 |
<p>Salts of 1-phenyl-3-pyrazolidinones with organic sulphonic acids, which are useful photographic silver halide developing agents.</p> |
| 申请公布号 |
EP0184552(A2) |
申请公布日期 |
1986.06.11 |
| 申请号 |
EP19850810561 |
申请日期 |
1985.11.25 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
LONG, WILLIAM EDWARD;TIREL, MALCOLM DAVID;GENT, MONICA HILARY;WEBB, TERENCE CHARLES, DR. |
| 分类号 |
C07C309/08;C07C309/19;C07C309/58;C07C309/60;G03C5/30;(IPC1-7):C07D231/08;C07C143/00 |
主分类号 |
C07C309/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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