Number | Date | Country | Kind |
---|---|---|---|
60-202431 | Sep 1985 | JPX | |
61-147175 | Jun 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4623654 | Parry et al. | Nov 1986 | |
4684396 | Clough et al. | Aug 1987 |
Number | Date | Country |
---|---|---|
0000950 | Mar 1979 | EPX |
0040345 | Nov 1981 | EPX |
0052425 | May 1982 | EPX |
0502424 | May 1982 | EPX |
0094146 | Nov 1983 | EPX |
60-215674 | Sep 1985 | JPX |
Entry |
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Ullmanns Encyklopadie der technischen Chemie, 4 Auflage, Bd. 12, Seite 12. |