| 发明名称 |
A HIGH TEMPERATURE PROCESS FOR PREPARING FIBER REACTIVE DYES |
| 摘要 |
A process for preparing monoazo dyes by coupling an aromatic diazonium salt with an amino-4-hydroxy-naphthalene sulfonic acid derivative at a temperature of 40 DEG - 85 DEG C. The process of the invention provides an isomerically purer dye. |
| 申请公布号 |
WO9418275(A1) |
申请公布日期 |
1994.08.18 |
| 申请号 |
WO1994US01303 |
申请日期 |
1994.02.03 |
| 申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
HELLE, MARK, ALAN;HELMLING, WALTER |
| 分类号 |
C07D251/50;C07D251/54;C07D251/70;C09B41/00;C09B62/44;C09B62/51;C09B67/24;(IPC1-7):C09B41/00 |
主分类号 |
C07D251/50 |
| 代理机构 |
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代理人 |
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