| 发明名称 |
PHOTOGRAPHIC EMULSIONS |
| 摘要 |
<p>1287978 Silver halide emulsions ILFORD Ltd 20 May 1971 [26 June 1970] 31166/70 Heading G2C Aqueous potassium ferricyanide is added to gelatine/silver halide emulsion before or during physical ripening. The emulsion is then flocculated and chemically sensitized. 0À01-1À0 gm of potassium ferricyanide per 1À5 moles of silver salt may be employed. The internal sensitivity is thereby decreased. Reference has been directed by the Comptroller to Specification 1244818.</p> |
| 申请公布号 |
CA965289(A) |
申请公布日期 |
1975.04.01 |
| 申请号 |
CA19710116662 |
申请日期 |
1971.06.25 |
| 申请人 |
ILFORD, LIMITED |
发明人 |
BAYLIS, JOHN H.;BOND, ANTHONY J. |
| 分类号 |
G03C1/08;(IPC1-7):03C1/02 |
主分类号 |
G03C1/08 |
| 代理机构 |
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