| 发明名称 |
Preparation of photographic silver halide emulsions |
| 摘要 |
In the preparation of silver halide emulsions silver halide grain-growth is accelerated by the addition to the precipitation medium during or before silver halide precipitation of a compound of the formula <IMAGE> wherein:
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| 申请公布号 |
US4057429(A) |
申请公布日期 |
1977.11.08 |
| 申请号 |
US19760666206 |
申请日期 |
1976.03.12 |
| 申请人 |
AGFA-GEVAERT, N. V. |
发明人 |
DE BRABANDERE, LUC ACHIEL;POLLET, ROBERT JOSEPH;PATTYN, HERMAN ALBERIK;BORGINON, HENDRIK ALFONS |
| 分类号 |
G03C1/06;G03C1/005;G03C1/09;(IPC1-7):G03C1/02;B01J17/00 |
主分类号 |
G03C1/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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