发明名称 |
Ascorbic acid developing compositions containing sugar and methods of use |
摘要 |
<p>A black-and-white photographic developing composition has improved stability and is more compatible with the environment when discarded. The composition includes one or more ascorbic acid developing agents and is essentially free of hydroquinone and similar developing agents. It comprises a mono- or disaccharide such as ribose, fructose, lactose, glucose or galactose as a stabilizing agent for the developing agent. <IMAGE></p> |
申请公布号 |
EP1182498(A1) |
申请公布日期 |
2002.02.27 |
申请号 |
EP20010203026 |
申请日期 |
2001.08.09 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
HAYE, SHIRLEYANNE ELIZABETH;HUSTON, JANET MARIE;ROUSSILHE, JACQUES |
分类号 |
G03C5/26;G03C5/30;G03C5/305;(IPC1-7):G03C5/305 |
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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