Number | Date | Country | Kind |
---|---|---|---|
790459 | Feb 1979 | NOX |
This application is a continuation-in-part of Ser. No. 118,582, filed Feb. 4, 1980 and now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
2105456 | Hubler et al. | Jan 1938 | |
3461030 | Wiewiorowski et al. | Jun 1976 | |
4017309 | Johnson | Apr 1977 | |
4069296 | Huang | Jan 1978 | |
4110399 | Gaudernack et al. | Aug 1978 | |
4230765 | Takahashi et al. | Oct 1980 |
Number | Date | Country |
---|---|---|
1293230 | Oct 1972 | GBX |
1328248 | Aug 1973 | GBX |
Entry |
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Perry, Ed., "Chemical Engineer's Handbook", 4th Ed., 1963, pp. 21-51, McGraw-Hill Book Co., N.Y. |
Smith et al., "The Chemical Engineer", Dec. 1972, pp. 440-444. |
Mining & Extraction of Copper al Lo Aguirre, Chile, Mining Magazine, Jul. 1978, pp. 33-37. |
New TL Leaching Process, E/MJ-Oct., 1978, pp. 100-102. |
Number | Date | Country | |
---|---|---|---|
Parent | 118582 | Feb 1980 |