| 发明名称 |
Color-stable beta-modification of a monoazo dye, a process for its preparation, and its use |
| 摘要 |
The present invention relates to the beta -modification of the dye of the formula I <IMAGE> (I) to a process for its preparation, to its use, and to a dye preparation containing it.
|
| 申请公布号 |
US5069682(A) |
申请公布日期 |
1991.12.03 |
| 申请号 |
US19900631900 |
申请日期 |
1990.12.21 |
| 申请人 |
CASSELLA AKTIENGESELLSCHAFT |
发明人 |
BINDER, RUDOLF;SCHOPHOFF, FRIEDRICH;HOFMANN, KLAUS |
| 分类号 |
C09B67/48;C09B67/00;C09B67/10 |
主分类号 |
C09B67/48 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
