| 发明名称 |
BIS-STYRYLBIPHENYL COMPOUNDS |
| 摘要 |
Asymmetrical bis-styrylbiphenyl compounds of formula (1) wherein R1 to R6 are as defined in claim 1, are excellently suitable as optical brighteners, for example for polyesters in the spinning melt.
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| 申请公布号 |
WO0047550(A1) |
申请公布日期 |
2000.08.17 |
| 申请号 |
WO2000EP00726 |
申请日期 |
2000.01.31 |
| 申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC.;OHREN, STEFAN;REINEHR, DIETER |
发明人 |
OHREN, STEFAN;REINEHR, DIETER |
| 分类号 |
C07C253/30;C07C255/50;C07C255/51;C07C255/56;C08K5/00;C08K5/315;C09B23/00;C09B57/00;(IPC1-7):C07C255/50 |
主分类号 |
C07C253/30 |
| 代理机构 |
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