发明名称 |
Photographic developing composition |
摘要 |
The present invention concerns a developer for silver halide photographic products comprising a co-developing agent of the 1-phenyl-3-pyrazolidinone type. These co-developing agents comprise solubilizing groups which are not attached directly to the phenyl ring or the pyrazolidine ring, and improve the stability of the developer composition.
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申请公布号 |
US5780212(A) |
申请公布日期 |
1998.07.14 |
申请号 |
US19970881408 |
申请日期 |
1997.06.24 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
ROUSSILHE, JACQUES;TSOI, SIU C. |
分类号 |
G03C5/30;(IPC1-7):G03C5/30 |
主分类号 |
G03C5/30 |
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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