| 发明名称 |
Method of producing 4-nitro-m-phenylenediamine sulfate |
| 摘要 |
A method of manufacture of 4-nitro-m-phenylenediamine sulfate is taught. The resultant compound is useful in the dyeing of keratinic fibers, particularly, human hair. It exhibits reduced toxicity and potential for damage to such fibers, and is easier to remove than are other known compounds.
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| 申请公布号 |
US6160179(A) |
申请公布日期 |
2000.12.12 |
| 申请号 |
US19990386283 |
申请日期 |
1999.08.31 |
| 申请人 |
GIANNOTTI, JAMES;SONG, HUAYONG |
发明人 |
GIANNOTTI, JAMES;SONG, HUAYONG |
| 分类号 |
C07C209/76;C07C211/52;(IPC1-7):C07C209/76 |
主分类号 |
C07C209/76 |
| 代理机构 |
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代理人 |
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| 主权项 |
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