发明名称 |
Processing of reversal materials |
摘要 |
In reversal processing, washing between the first development and the reversal bath can be avoided without any loss of photographic quality if the reversal bath is operated in countercurrent over at least two stages and hydroquinone sulfonic acid is used as the first developer.
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申请公布号 |
US5869224(A) |
申请公布日期 |
1999.02.09 |
申请号 |
US19930059983 |
申请日期 |
1993.05.12 |
申请人 |
AGFA GEVAERT AKTIENGESELLSCHAFT |
发明人 |
MITZINGER, HERBERT |
分类号 |
G03C5/50;(IPC1-7):G03C5/50;G03C5/18;G03C5/26;G03C7/46 |
主分类号 |
G03C5/50 |
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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