| 发明名称 |
Photographic color developer composition |
| 摘要 |
A color developer composition is provided which has substantially improved protection against oxidation of the color developer and excellent sequestering properties characterized in that the composition comprises an alpha -aminocarbonyl compound, an organo-phosphonic acid and an aminocarboxylic acid.
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| 申请公布号 |
US4142895(A) |
申请公布日期 |
1979.03.06 |
| 申请号 |
US19780867048 |
申请日期 |
1978.01.05 |
| 申请人 |
AGFA GEVAERT AKTIENGESELLSCHAFT |
发明人 |
FRANK, KARL;MELZER, ARNFRIED |
| 分类号 |
G03C7/30;G03C5/305;(IPC1-7):G03C5/30;G03C7/00 |
主分类号 |
G03C7/30 |
| 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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