| 发明名称 |
ANTHRAQUINONE COMPOUNDS AND PROCESS FOR THEIR PREPARATION |
| 摘要 |
Compounds of the formula: <CHEM> wherein R<1> is alkyl or aryl; X is H, NH2 or NHCH3; on of Y and Z is OH and the other is H, NH, or NHCH3; and one of R<2> and R<3> is H and the one that is ortho to the OH group is a -CH2R<1> radical. The compounds include pleochroic dyes useful in liquid crystal display systems. |
| 申请公布号 |
DE3069220(D1) |
申请公布日期 |
1984.10.25 |
| 申请号 |
DE19803069220 |
申请日期 |
1980.07.29 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
RENFREW, ANDREW HUNTER MORRIS |
| 分类号 |
C09B1/06;C09B1/51;C09K19/60;(IPC1-7):C07C97/26 |
主分类号 |
C09B1/06 |
| 代理机构 |
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