| 发明名称 |
Sulfonated lithium cation exchanged polystyrene photographic films. |
| 摘要 |
<p>Photographic films comprising a base film of oriented polystyrene at least one surface of which is highly sulfonated and lithium cation exchanged.</p> |
| 申请公布号 |
EP0231418(A1) |
申请公布日期 |
1987.08.12 |
| 申请号 |
EP19860101503 |
申请日期 |
1986.02.05 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
RYAN, KEVIN J. |
| 分类号 |
G03C1/795;G03C1/93;(IPC1-7):G03C1/78;G03C1/80 |
主分类号 |
G03C1/795 |
| 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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