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Class Information
Number: 75/634
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Nonferrous > Noble metal, singly or in combination > Silver(ag)
Description: Process in which Silver (Ag) is produced or a metal that contains over 50 percent by weight Silver is treated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8377166 |
Reduction of metal chloride |
Feb. 19, 2013 |
| 8287804 |
Method for recovering metal from target and method for manufacturing target |
Oct. 16, 2012 |
| 7033415 |
Methods of controlling nanoparticle growth |
Apr. 25, 2006 |
| 6827837 |
Method for recovering trace elements from coal |
Dec. 7, 2004 |
| 6602319 |
Process for the recovery of gold and silver from used refractory bricks |
Aug. 5, 2003 |
| 6555010 |
Solution mining process for removing metals from aqueous solution |
Apr. 29, 2003 |
| 6231637 |
Process for producing high-purity silver materials |
May. 15, 2001 |
| 5403380 |
Method for producing easily volatile metals, such as zinc, lead, mercury and cadmium, of sulfidic raw materials |
Apr. 4, 1995 |
| 5279644 |
Fire refining precious metals asay method |
Jan. 18, 1994 |
| 5232486 |
One step process for the treatment of Parkes desilvering crust to recover zinc and produce a suitable feed for cupellation |
Aug. 3, 1993 |
| 5221325 |
Process for recovering silver oxide and metals from spent silver oxide button cells |
Jun. 22, 1993 |
| 5085836 |
Process for desilvering silver halide processing fluids |
Feb. 4, 1992 |
| 5085692 |
Recovery of silver values from chlorides including silver chloride |
Feb. 4, 1992 |
| 5074910 |
Process for recovering precious metals from sulfide ores |
Dec. 24, 1991 |
| 5067987 |
Method of manufacturing a silver alloy which is blackened throughout its bulk |
Nov. 26, 1991 |
| 4955482 |
Screen cleaning in cil & cip systems |
Sep. 11, 1990 |
| 4734129 |
Recovery of metals from their alloys with lead using consummable lance and apparatus |
Mar. 29, 1988 |
| 4695317 |
Method of treating silicate ore containing gold and silver |
Sep. 22, 1987 |
| 4657586 |
Submerged combustion in molten materials |
Apr. 14, 1987 |
| 4613365 |
Method for recovering precious metals |
Sep. 23, 1986 |
| 4608083 |
Method for recovering the valuable metal content of contaminated copper raw material |
Aug. 26, 1986 |
| 4581064 |
Treatment of anode slimes in a top blown rotary converter |
Apr. 8, 1986 |
| 4564391 |
Method for the recovery of silver from silver zeolite |
Jan. 14, 1986 |
| 4529444 |
Method for separating solutions |
Jul. 16, 1985 |
| 4514221 |
Method of smelting zinc by injection smelting |
Apr. 30, 1985 |
| 4451289 |
Process for extracting non-ferrous metals from iron-bearing scraps |
May. 29, 1984 |
| 4416692 |
Process for extracting gold, silver, platinum, lead, or manganese metals from ore |
Nov. 22, 1983 |
| 4397686 |
Method for refining precious metals |
Aug. 9, 1983 |
| 4350524 |
Process for removal of base metal impurities from molten silver with sulfur hexafluoride |
Sep. 21, 1982 |
| 4164418 |
Method of recovering valuable metals from zinc bearing materials and blast furnace relevant thereto |
Aug. 14, 1979 |
| 4162915 |
Process for treating lead-copper-sulphur charges |
Jul. 31, 1979 |
| 4135923 |
Extraction of metals |
Jan. 23, 1979 |
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