| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 09/24/1986 | CN85109224A Gold recovery process |
| 09/23/1986 | US4613365 Method for recovering precious metals |
| 09/23/1986 | CA1211691A1 Thallium-containing composition for stripping palladium |
| 09/16/1986 | US4612171 Method for recovering metal values from materials containing copper and/or precious metals |
| 09/16/1986 | US4612057 Recovery of silver from photographic films by high shear conditions |
| 09/10/1986 | CN86102411A Technology for extracting gold directly from gold concentrates |
| 09/09/1986 | US4610724 Recovery of gold from refractory auriferous iron-containing sulphidic material |
| 09/03/1986 | EP0192651A1 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents |
| 08/19/1986 | US4606766 Process for separately recovering gold and silver from solution by carbon adsorption |
| 08/19/1986 | US4606763 Using autoclave with successive compartments the first being largest in size |
| 08/12/1986 | US4605541 Recovery of noble metal values from carbonylation residues using immiscible liquids |
| 08/12/1986 | US4605537 Sulfide as a hypochlorite kill agent |
| 08/12/1986 | US4605439 Pressure oxidation; recycling oxidized solids to increase pulp density; antiagglomerants |
| 08/05/1986 | US4604227 Vapor phase and surface contact rust preventive composition |
| 07/02/1986 | CN85103707A Technology to extract gold, silver and copper from gold ore |
| 07/01/1986 | US4597791 Gold recovery processes |
| 06/25/1986 | EP0185510A2 Catchment packs |
| 06/17/1986 | US4595572 Adding mineral acid to reduce ph to 6 or less, passing solution through bed of active carbon |
| 06/17/1986 | CA1206008A1 Recovery of zinc from zinc-containing sulphidic material |
| 06/10/1986 | CA1205639A1 Silver recovery unit |
| 06/03/1986 | US4592779 Method for recovering precious metals from precious metal-bearing materials such as ore and tailings |
| 05/28/1986 | EP0182441A2 Vapor phase and surface contact rust preventive composition |
| 05/20/1986 | CA1204597A1 Process for recovering noble metals from solutions |
| 05/14/1986 | EP0180803A1 Process for recovering noble metals from their cyanides |
| 05/13/1986 | US4588499 Gravity flow amalgamator |
| 05/13/1986 | US4588436 Method of recovering metals from liquid slag |
| 05/13/1986 | CA1204288A1 Recovery of platinum group metals from scrap and residues |
| 05/06/1986 | US4587110 Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides |
| 04/29/1986 | US4585548 Grinding mineral with lyophilic surface, slurrying with carbon source and hydrocarbon liquid and separation |
| 04/09/1986 | EP0177295A2 Recovery of gold from refractory auriferous iron-containing sulphidic material |
| 04/09/1986 | EP0177294A2 Recovery of gold from refractory auriferous iron-containing sulphidic material |
| 04/09/1986 | EP0177293A2 Process for separately recovering gold and silver from solution by carbon adsorption |
| 04/09/1986 | EP0177292A2 Process for the recovery of silver from a residue essentially free of elemental sulphur |
| 04/09/1986 | EP0177291A2 Recovery of gold from auriferous refractory iron-containing sulphidic ore |
| 04/09/1986 | EP0177290A2 Recovery of gold from refractory auriferous iron-containing sulphidic concentrates |
| 04/08/1986 | US4581064 Treatment of anode slimes in a top blown rotary converter |
| 04/02/1986 | EP0176491A1 A method for recovering precious metals |
| 04/02/1986 | EP0176100A1 Hydrometallurgical process for treating electrolytic copper refinery anode slimes |
| 04/01/1986 | US4579589 Leaching with sulfuric acid, separation, then froth flotation |
| 03/26/1986 | EP0175556A2 Process for the pressure oxidation leaching of non-ferrous metal containing sulphidic material |
| 03/25/1986 | US4578368 Mixing of rhodium containing tar with fatty acid, heating, and precipitation |
| 03/25/1986 | US4578163 Gold recovery process |
| 03/11/1986 | CA1201595A1 Recovery of precious metals from leach residues |
| 03/05/1986 | EP0173425A1 Process for the extraction of platinum group metals |
| 02/25/1986 | US4572822 Leaching with sulfuric acid in sulfur dioxide atmosphere |
| 02/18/1986 | US4571264 Recovery of gold from refractory auriferous iron-containing sulphidic ore |
| 02/18/1986 | US4571263 Recovery of gold from refractory auriferous iron-containing sulphidic concentrates |
| 02/18/1986 | US4571262 Leaching, separation of solids, pressurized leacching, electrowinning of copper, and separation |
| 02/18/1986 | CA1200702A1 Method of recovering metals from liquid slag |
| 02/13/1986 | WO1986000820A1 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents |
| 02/11/1986 | CA1200395A1 Simultaneous leaching and cementation of precious metals |
| 01/21/1986 | US4565627 Filters for uranium, gold or silver |
| 01/14/1986 | US4564391 Method for the recovery of silver from silver zeolite |
| 01/02/1986 | EP0166151A1 Novel extractants and method for the recovery of palladium |
| 12/31/1985 | US4561947 Process for the recovery of noble metals from ores; which process uses thiourea |
| 12/17/1985 | US4559209 Leaching refractory gold ores |
| 12/17/1985 | CA1198080A1 Simultaneous leaching and electrodeposition of precious metals |
| 12/17/1985 | CA1197986A1 Process for refining gold |
| 12/10/1985 | US4557905 Leaching and washing a flocculated slurry having a fiber content |
| 12/10/1985 | US4557760 Heat treating catalyst with an ethyleneglycoldialkyl ether |
| 12/10/1985 | US4557759 Iodine leach for the dissolution of gold |
| 12/03/1985 | US4556422 Brine leaching under pressure |
| 11/12/1985 | US4552589 Process for the recovery of gold from refractory ores by pressure oxidation |
| 11/05/1985 | US4551213 Hydrometallurgy |
| 10/30/1985 | EP0159842A2 Method of winning precious metals from geological brines |
| 10/22/1985 | US4548791 Aqueous solution of nitrobenzoic acid derivatives, cyanate and thallium compound; gold layers; electrical films |
| 10/22/1985 | CA1195506A1 Method of recovering both silver and a base for sensitive materials from sensitive materials by utilizing micro-organisms |
| 09/24/1985 | US4543178 For beach and marine sediments |
| 09/04/1985 | EP0153353A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials |
| 08/27/1985 | US4537628 Recovery of precious metals |
| 07/23/1985 | CA1190913A1 Recovery of precious metal |
| 07/23/1985 | CA1190750A1 Process of leaching gold and silver |
| 07/17/1985 | EP0148663A2 Process for recovering silver from sulfate solutions |
| 07/09/1985 | US4528166 Recovery of gold and/or silver from cyanide leach liquors on activated carbon |
| 07/09/1985 | CA1190047A1 Method of concentrating silver from anode slime |
| 07/02/1985 | US4526614 Using platinum recovery gauze of geometric configuration adapted to process conditions of plant |
| 06/11/1985 | CA1188522A1 Recovery of silver from precious metal-containing intermediates |
| 06/04/1985 | US4521890 Plasma arc furnaces |
| 05/14/1985 | CA1186903A1 Hydrometallurgical process for the recovery of lead |
| 05/02/1985 | EP0139056A1 Recovering of gold and silver from an aqueous solution containing cyanic compounds of gold and silver |
| 04/30/1985 | CA1186155A1 Gold recovery process |
| 04/24/1985 | EP0138794A1 A method for recovering metal values from materials containing copper and/or precious metals |
| 04/23/1985 | CA1185956A1 Foraminate element for the recovery of platinum metal and method of using same |
| 04/23/1985 | CA1185955A1 Foraminate element for the recovery of platinum metal |
| 04/23/1985 | CA1185954A1 Foraminate element for the recovery of platinum metal and method of using same |
| 04/16/1985 | US4511539 Recovery of precious metal |
| 04/09/1985 | US4510027 Addition of complexing agent |
| 04/09/1985 | CA1185096A1 Recovery of precious metals |
| 04/03/1985 | EP0135950A1 Process for winning copper and optionally silver and gold by leaching oxidic and sulphurized materials using cyanides soluble in water |
| 03/19/1985 | US4505744 Recovery of zinc from zinc containing sulphidic material |
| 02/28/1985 | WO1985000834A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials |
| 02/26/1985 | US4501721 Removing metal from particlized metal ores |
| 02/19/1985 | US4500396 Copper recovery process |
| 02/19/1985 | CA1182646A1 Precious metal recovery cartridge and method |
| 02/05/1985 | US4497658 Smelting ore and recovering silver |
| 02/05/1985 | US4497657 Method for recovering platinum in a nitric acid plant |
| 02/05/1985 | CA1182015A1 Knee brace |
| 01/31/1985 | WO1985000384A1 Improvements in or relating to the dissolution of noble metals |
| 01/22/1985 | US4494986 Gold extracting process and apparatus |
| 01/02/1985 | CA1180315A Stripping gold or silver from particulate materials |