Number | Date | Country | Kind |
---|---|---|---|
44 19 592.3 | Jun 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3458481 | Reichold et al. | Jul 1969 | |
4673723 | Cuzin | Jan 1987 | |
4845168 | Dykes et al. | Jul 1989 | |
5177144 | Torre et al. | Jan 1993 | |
5296556 | Frihart | Mar 1994 |
Number | Date | Country |
---|---|---|
315408 | May 1989 | EPX |
0482483 | Apr 1992 | EPX |
830823 | Dec 1956 | GBX |
1032983 | Apr 1964 | GBX |
Entry |
---|
Chem. Abstracts 109:74149w (1988). |
Chem. Abstracts 87:202733y (1977). |