| 发明名称 |
Thiolactone metal complexes |
| 摘要 |
This invention relates to novel compounds which are precursors for di- and triarylmethane dye precursor compounds possessing a thiolactone, dithiolactone or thioether ring-closing moiety.
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| 申请公布号 |
US5028725(A) |
申请公布日期 |
1991.07.02 |
| 申请号 |
US19890447154 |
申请日期 |
1989.12.07 |
| 申请人 |
POLAROID CORPORATION |
发明人 |
KING, PATRICK F. |
| 分类号 |
B41M5/136;B41M5/145;B41M5/30;B41M5/323;B41M5/327;C07D311/82;C07D495/10;G03C1/498 |
主分类号 |
B41M5/136 |
| 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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