Number | Name | Date | Kind |
---|---|---|---|
2319373 | Tormyn | May 1943 | |
2468797 | Wong | May 1949 | |
2994106 | Posey | Aug 1961 | |
3220092 | Wolfe et al. | Nov 1965 | |
3244782 | Eyberger | Apr 1966 | |
3507009 | Comly | Apr 1970 | |
3647332 | Schmaus | Mar 1972 | |
3677673 | Shapiro | Jul 1972 | |
4080128 | Schreiner et al. | Mar 1978 | |
4104014 | Pearce | Aug 1978 | |
4345889 | Sizemore et al. | Aug 1982 |
Entry |
---|
Hawley, G. G.; The Condensed Chemical Dictionary; 8th Edition; Reinhold Co.; p. 426; 1971. |