Number | Date | Country | Kind |
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55-119308 | Aug 1980 | JPX |
This is a continuation of application Ser. No. 294,538 filed Aug. 20, 1981, now U.S. Pat. No. 4,434,002.
Number | Name | Date | Kind |
---|---|---|---|
3666446 | Cook | May 1972 | |
4172879 | Miller | Oct 1979 | |
4434002 | Watanabe et al. | Feb 1984 |
Number | Date | Country |
---|---|---|
3012246 | Feb 1980 | DEX |
Entry |
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Mellor, Inorganic and Theoretical Chemistry, Longmans Green, N.Y., (1935), vol. XIV, pp. 2-7. |
Wells, Nuclear Science and Engineering, 17 (1963), pp. 259-267. |
Agers, Mining Engineering, Dec. 1965, pp. 76-80. |
Bailor et al., Comprehensive Inorganic Chemistry, vol. 3, 1973, Pergamon Press, p. 1038. |
Nishimura et al., Recovery Process of Acid and High Purity Metallic Iron/Iron Oxide from Pickling Waste Acids. |
Number | Date | Country | |
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Parent | 294538 | Aug 1981 |