| 发明名称 |
Process for producing azo pigments |
| 摘要 |
A process for producing an azo pigment, which comprises coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and at least one bis-naphthylmethane, and optionally, making the resulting pigment.
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| 申请公布号 |
US4655844(A) |
申请公布日期 |
1987.04.07 |
| 申请号 |
US19860827447 |
申请日期 |
1986.02.10 |
| 申请人 |
KABUSHIKI KAISHA UENO SEIYAKU OYO KENKYUJO |
发明人 |
UENO, RYUZO;ITOH, SHIGERU;FUJIMOTO, SHINE;KOMATSU, YUMIKO;TSUCHIYA, HIROAKI |
| 分类号 |
C09B67/22;(IPC1-7):C04B11/00 |
主分类号 |
C09B67/22 |
| 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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