Number | Date | Country | Kind |
---|---|---|---|
3704262 | Feb 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3991071 | Brookes et al. | Nov 1976 | |
4080462 | Brookes et al. | Mar 1978 | |
4551469 | Parry et al. | Nov 1985 | |
4639527 | Lantzsch et al. | Jan 1987 | |
4654332 | Parry et al. | Mar 1987 |
Number | Date | Country |
---|---|---|
96307 | Dec 1983 | EPX |
131684 | Jan 1985 | EPX |
180136 | May 1986 | EPX |
Entry |
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Chem. Abstr., 105:92922q. |
Chem. Abst., 105:172469n. |
Chem. Abst., 105:172472h. |
Derwent Abstract No. 86:120323/19. |
European Search Report. |