Number | Name | Date | Kind |
---|---|---|---|
3306810 | Buckman et al. | Feb 1967 | |
3520976 | Buckman et al. | Jul 1970 | |
3524871 | Matt et al. | Aug 1970 | |
4268403 | Buckman et al. | May 1981 | |
4425186 | May et al. | Jan 1984 | |
5073638 | Conaway et al. | Dec 1991 | |
5388644 | Romocki | Feb 1995 |
Entry |
---|
Chemical Abstracts (I) vol. 107:72869 , 1987. |
Chemica Abstracts (II) vol. 114:138026 s, 1991. |