This is a continuation of co-pending application Ser. No. 701,715 filed on Feb. 14, 1985, now abandoned.
Number | Name | Date | Kind |
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1232216 | Caron | Jul 1917 | |
3929468 | Siemens et al. | Dec 1975 | |
3997333 | Fey | Dec 1976 | |
4029498 | Okajima | Jun 1977 |
Entry |
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Rose, Arthur and Elizabeth, Condensed Chemical Dictionary, 5th Ed., Reinhold Pub. Co., New York, 1956, p. 759. |
G. H. Clevenger, and M. H. Caron, "The Treatment of Manganese-Silver Ores", published by Dept. of Interior, Bureau of Mines, #226. |
Chase, C. K. et al, Treatment of Manganiferous Silver Ores for Recovery of Silver in View of Changed Precious Metal Economics, from 110th AIME Meeting in Chicago, Ill., Feb. 22-26, 1981. |
Number | Date | Country | |
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Parent | 701715 | Feb 1985 |