Number | Date | Country | Kind |
---|---|---|---|
PL7460 | Feb 1993 | AUX |
Number | Name | Date | Kind |
---|---|---|---|
2399845 | Allen et al. | May 1946 | |
3127649 | de Benedictis et al. | Jun 1964 | |
3655038 | Mercade | Apr 1972 | |
3681047 | Lynd et al. | Aug 1972 | |
3811569 | Shireley et al. | May 1974 | |
4014474 | Anitila et al. | Mar 1977 | |
4069295 | Sugahara et al. | Jan 1978 | |
4097574 | Auger et al. | Jun 1978 | |
5110455 | Huch | May 1992 | |
5186920 | Heng et al. | Feb 1993 |
Number | Date | Country |
---|---|---|
1470333 | May 1934 | AUX |
1470233 | May 1934 | AUX |
0308836 | Mar 1937 | AUX |
247110 | Sep 1993 | AUX |
0410496 | Jan 1991 | EPX |
1941509 | Sep 1970 | DEX |
58-199720 | Nov 1993 | JPX |
9004656 | May 1990 | WOX |
9113180 | Sep 1991 | WOX |
Entry |
---|
Farrow et al., "The Reaction between Reduced Ilmenite and Oxygen in Ammonium Chloride Solution", Hydrometallurgy, vol. 18, 1987, Amsterdam NL, pp. 21-38. |
Bracanin, BF et al., "Direct Development of a Direct Reduction and Leach process for Limenite Upgrading", Trans. Metall. Soc. AIME Paper Selection No. A72-31, 1972, 209-259. |
Bracanin, BF et al., "Direct Reduction Technology--the Western Titanium Process for the Production of Synthetic Rutile, Ferutil, and Spong Iron", Aust. Inst. Min. Metall. Conference, WA, Aug. 1979, 55-68. |