发明名称 |
Photographic emulsion, process for the preparation thereof and use thereof |
摘要 |
To inhibit fog in a photographic silver halide emulsion, the latter is contacted with an at least sufficient quantity of an antifogging agent based on a tetrazolium C-oxy-betaine compound. The said compounds are also used in solutions for the treatment and development of exposed photographic elements, for inhibiting fog.
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申请公布号 |
CH621635(A5) |
申请公布日期 |
1981.02.13 |
申请号 |
CH19740006130 |
申请日期 |
1974.05.06 |
申请人 |
MINNESOTA MINING AND MFG. CO. |
发明人 |
AGOSTINO BALDASSARRI;WALTER FERRO |
分类号 |
C07D257/04;G03C1/34;(IPC1-7):G03C1/34 |
主分类号 |
C07D257/04 |
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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