| 发明名称 |
Black dyes for ball-point pen inks |
| 摘要 |
Nitro-substituted monoazo dihydroperimidines which are useful as black dyes for ball-point pen inks are disclosed.
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| 申请公布号 |
US4224071(A) |
申请公布日期 |
1980.09.23 |
| 申请号 |
US19790030680 |
申请日期 |
1979.04.16 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
BUELL, BENNETT G. |
| 分类号 |
C09B29/52;C09D11/18;(IPC1-7):C09B29/22 |
主分类号 |
C09B29/52 |
| 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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