| 发明名称 |
Derivatives of 4H-thiopyran-1,1-dioxides |
| 摘要 |
Certain new chemical compounds are derivatives of 4_H-thiopyran-1,1-dioxides, and are useful as electron-transport agents in electrophotographic elements.
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| 申请公布号 |
US4968813(A) |
申请公布日期 |
1990.11.06 |
| 申请号 |
US19890455656 |
申请日期 |
1989.12.22 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
RULE, NORMAN G.;KUNG, TEH-MING |
| 分类号 |
C07D335/02;G03G5/06 |
主分类号 |
C07D335/02 |
| 代理机构 |
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代理人 |
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