发明名称 |
Stabilized black-and-white developing compositions and methods of use |
摘要 |
A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular weight of from about 50 to about 200. The weight ratio of the organic solvent to water is from about 0.1:1 to about 8:1.
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申请公布号 |
US2003091944(A1) |
申请公布日期 |
2003.05.15 |
申请号 |
US20010000893 |
申请日期 |
2001.11.02 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
SCHWARTZ PAUL A.;FLAVIN SUSAN M. |
分类号 |
G03C5/26;G03C5/30;G03C5/305;(IPC1-7):G03C5/30 |
主分类号 |
G03C5/26 |
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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