| 发明名称 |
Recording and information record elements comprising oxoindolizine and oxoindolizinium dyes |
| 摘要 |
Oxoindolizine and oxoindolizinium dyes are useful as radiation absorptive materials in recording elements.
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| 申请公布号 |
US4446223(A) |
申请公布日期 |
1984.05.01 |
| 申请号 |
US19820391769 |
申请日期 |
1982.06.24 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
WADSWORTH, DONALD H.;THOMAS, HAROLD T.;FLETCHER, GEORGE L.;WEIDNER, CHARLES H. |
| 分类号 |
G11B7/244;(IPC1-7):G03C1/52 |
主分类号 |
G11B7/244 |
| 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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