| 发明名称 |
Xanthene compounds |
| 摘要 |
The present invention is concerned with novel xanthene compounds of the formula <IMAGE> wherein R' is alkyl and n is 0 or 1, which compounds are useful in photographic products and processes.
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| 申请公布号 |
US4311847(A) |
申请公布日期 |
1982.01.19 |
| 申请号 |
US19800194462 |
申请日期 |
1980.10.06 |
| 申请人 |
POLAROID CORPORATION |
发明人 |
COURNOYER, RICHARD L.;FOLEY, JAMES W. |
| 分类号 |
C07D513/10;C09B11/24;C09B11/28;G03C1/83;G03C8/48;(IPC1-7):C07D275/04 |
主分类号 |
C07D513/10 |
| 代理机构 |
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| 地址 |
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