Number | Name | Date | Kind |
---|---|---|---|
2677679 | Barney | May 1954 | |
2980634 | Melamed | Apr 1961 | |
3170901 | Melamed et al. | Feb 1965 | |
3329706 | Sobolev | Jul 1967 | |
3532751 | Langher et al. | Oct 1970 | |
3661880 | Markert et al. | May 1972 | |
4218554 | Foley, Jr. | Aug 1980 | |
4477603 | Fisk | Oct 1984 |
Entry |
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Kohler, E. P. et al., J. Am. Chem. Society, vol. 49 (1927), pp. 3181-3188. |