This is a continuation of application Ser. No. 238,371 filed Feb. 26, 1981, now U.S. Pat. No. 4,385,045.
Number | Name | Date | Kind |
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2835553 | Harrison et al. | May 1958 |
Entry |
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Gmelins Handbuch Der Anorganischen Chemie, No. 59, 1932, p. 877. |
Scholder et al., "Zeit. fur Anorg. und Allgem. Chemie", vol. 283, 1956, pp. 331-337. |
Bureau of Mines RI-7535, Jul. 1971, 12 pages (p. 2 relied upon). |
Gump, "Dissertation Absts.", vol. 20, 1960, pp. 3502-3503. |
Schreyer et al., "Inorganic Synthesis", vol. 4, 1953, McGraw-Hill Book Co., N.Y., 1953, pp. 164-168. |
Number | Date | Country | |
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Parent | 238371 | Feb 1981 |