Number | Date | Country | Kind |
---|---|---|---|
4029165 | Sep 1990 | DEX | |
4030582 | Sep 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4704227 | Krause et al. | Nov 1987 | |
4808333 | Huynh-ba et al. | Feb 1989 | |
4886622 | Miyazawa et al. | Dec 1989 | |
5032314 | Ushioda et al. | Jul 1991 |
Number | Date | Country |
---|---|---|
0154840 | Sep 1985 | EPX |
269062 | Jun 1988 | EPX |
0315455 | May 1989 | EPX |
0158137 | Jan 1990 | EPX |
Entry |
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German Abstract 85-257036/42, Merck Patent GmbH, New 4-methyl- on 4-fluoro-pyrimidine derivs.-contg. phenylene, cyclohexylene, dithian-diyl or bicyclo-octylene gps. and used as components of liq. crystalline phases for displays. |