| 发明名称 |
Heterocyclische Farbstoffe |
| 摘要 |
A compound of formula I <IMAGE> in which each R1 independently is selected from oxygen, =NH or =N-R2 where R2 is an aromatic or heteroaromatic group, provided not more than two groups R1 are selected from oxygen and =NH. |
| 申请公布号 |
DE3911643(C2) |
申请公布日期 |
1999.09.23 |
| 申请号 |
DE19893911643 |
申请日期 |
1989.04.10 |
| 申请人 |
CLARIANT FINANCE (BVI) LTD., TORTOLA |
发明人 |
BITTERLI, PETER;LAL KAUL, BANSI |
| 分类号 |
C08K5/3412;C08K5/3417;C09B57/00;C09B57/08 |
主分类号 |
C08K5/3412 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
