Number | Date | Country | Kind |
---|---|---|---|
42 42 502.6 | Dec 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2291086 | McCall et al. | Jan 1960 | |
4171357 | Theobald et al. | Oct 1979 | |
5057235 | Farng et al. | Oct 1991 |
Number | Date | Country |
---|---|---|
0049222 | Apr 1982 | EPX |
Entry |
---|
Orbit Abstract of EP-0-049 222, C82-E29083, Feb. 1982. |
Chemical Abstracts 105:227012r(Musaeva et al), Jun. 1986. |
Chemical Abstracts 98:142922z(Belov et al), Sep. 1983. |