Number | Name | Date | Kind |
---|---|---|---|
1540445 | Wilson | Jun 1925 | |
1799248 | Reinhardt | Apr 1931 | |
2835553 | Harrison et al. | May 1958 | |
3049404 | Wade, Jr. | Aug 1962 | |
4304760 | Mein et al. | Dec 1981 | |
4500499 | Kaczur et al. | Feb 1985 |
Entry |
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J. R. Gump: "The Preparation and Properties of Metal Ferrates (VI)", Dissertation Abst., vol. 20, 1960, pp. 3502-3503. |