| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 07/15/1986 | US4600435 Antiscxaling |
| 07/15/1986 | CA1207628A1 Insoluble chelating compositions |
| 07/09/1986 | EP0186882A1 Solvent extraction process for recovery of zinc |
| 07/09/1986 | CN85107329A Chlorination-hydrolyzation process for making antimony white from antimony sulfide ore |
| 07/08/1986 | US4599224 Recovery of molybdenum from molybdenum disulfide |
| 07/08/1986 | US4599222 Recovery of tungsten and rhenium |
| 07/08/1986 | US4599175 Process for separating and purifying metallic elements by displacement chromatography |
| 07/08/1986 | US4599153 Complexing with a phosphine oxide |
| 07/08/1986 | CA1207152A1 Process for recovering metals of high commercial value contained in a mud |
| 07/08/1986 | CA1207151A1 Process for selectively stripping iron ions from an organic solvent |
| 07/02/1986 | EP0186445A2 Process for the separation of metals from aqueous media |
| 06/25/1986 | EP0185550A2 Method of purifying tantalum |
| 06/19/1986 | WO1986003480A1 Method of recovery of gold and other metals |
| 06/17/1986 | US4595512 Acid complex selected from phosphoric acid boron fluoride complex and hydrocarbon or trichloroethane phase, mixing in cationic quaternary ammonium salt and alcohol surfactants |
| 06/17/1986 | CA1206008A1 Recovery of zinc from zinc-containing sulphidic material |
| 06/17/1986 | CA1205983A1 Elution process and apparatus and extraction of particulate material from a vessel |
| 06/17/1986 | CA1205982A1 Liquid-liquid extraction with micro-emulsions of substances dissolved in water |
| 06/10/1986 | US4594230 Recovery of cobalt |
| 06/10/1986 | US4594132 Oxidizing with curric chlorid solution, acidification, separation, extraction, stripping and electrowinning |
| 06/10/1986 | CA1205639A1 Silver recovery unit |
| 06/04/1986 | EP0183501A1 Improved separation extraction process for immiscible liquids |
| 06/04/1986 | EP0183200A2 Rhodium recovery from oxosynthesis reaction products |
| 05/27/1986 | US4591489 Process for the treatment of hydrochloric acid pickles containing iron and zinc |
| 05/21/1986 | EP0181497A1 Metal recovery |
| 05/20/1986 | CA1204597A1 Process for recovering noble metals from solutions |
| 05/07/1986 | EP0180110A1 Process for separating arsenic from acid solutions containing it |
| 05/06/1986 | US4587111 Method of liquid-liquid extraction of gallium from a basic aqueous solution |
| 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 |
| 05/06/1986 | US4587107 With jojoba oil |
| 05/06/1986 | US4587106 Liquid-liquid extraction with the aid of microemulsions of substances dissolved in water |
| 05/06/1986 | US4587034 Chelate agents for extraction of heavy metals |
| 05/06/1986 | US4586752 Solution mining process |
| 04/30/1986 | EP0179236A2 Method for the transport of metallic ions by microporous membranes |
| 04/29/1986 | US4585628 Oxidation, com-lexing, solvent extraction |
| 04/29/1986 | US4585559 Selective removal of metals from solution |
| 04/29/1986 | US4585477 Method for separating and recovering nickel and copper from complex materials |
| 04/23/1986 | EP0178526A2 Apparatus for the reduction of iron and vanadium in phosphoric-acid solutions |
| 04/22/1986 | US4584271 Bacterial regeneration apparatus and process |
| 04/22/1986 | CA1203386A1 Gallium extraction process using substituted hydroxyquinolines and organic compounds with a sulfate or a sulfonate group |
| 04/15/1986 | US4582691 Process for separating Fe(III) from an aqueous solution of metallic salts and a process for separating Fe(III) from an organic extraction solvent |
| 04/15/1986 | US4582689 Solvent extraction process |
| 04/15/1986 | CA1203083A1 Process for the recovery of non-ferrous metals from sulphide ores and concentrates |
| 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 | US4581220 Cured residue of zirconium solution |
| 04/08/1986 | CA1203029A1 Treatment of solutions to facilitate the removal of ferric iron therefrom |
| 04/02/1986 | EP0176100A1 Hydrometallurgical process for treating electrolytic copper refinery anode slimes |
| 04/01/1986 | CA1202491A1 Metal sulphide extraction |
| 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 | US4578250 Acidification of solution, then solvent extraction with phenyl oxime |
| 03/25/1986 | US4578165 Process for separation of zirconium from hafnium |
| 03/25/1986 | US4578162 Method for dissolving copper in the presence of iron |
| 03/18/1986 | US4576815 Process for the extraction of metal values and novel metal extractants |
| 03/11/1986 | CA1201597A1 Process for the extraction and separation of uranium, thorium and rare earths involving treatment of their aqueous chloride solutions |
| 03/11/1986 | CA1201593A1 Selective removal of arsenical materials in the alkaline treatment of uranium and/or molybdenum containing ores, with a magnesium compound |
| 03/10/1986 | CN85103874A Method of catalytic leaching manganese oxide ore |
| 03/04/1986 | US4574072 Method for extracting lanthanides and actinides from acid solutions by modification of purex solvent |
| 02/25/1986 | US4572802 Extraction with diamides |
| 02/25/1986 | US4572771 Leaching with hydrogen chloride, oxidizing with chlorine and solvent extraction |
| 02/19/1986 | EP0171704A1 Method for eluting a metal adsorbed on a chelating agent |
| 02/18/1986 | US4571387 Biological-acid leach process |
| 02/18/1986 | US4571266 Using thiourea extracting agent |
| 02/18/1986 | US4571265 Process for separation and purification of platinum group metals (II) |
| 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 |
| 02/13/1986 | WO1986000935A1 Extraction of metal values from aqueous liquids |
| 02/13/1986 | WO1986000820A1 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents |
| 02/11/1986 | CA1200397A1 Recovery of non-radioactive transition metal compounds from an ore which contains radioactive elements |
| 02/11/1986 | CA1200395A1 Simultaneous leaching and cementation of precious metals |
| 02/04/1986 | US4568526 Contacting with organic medium containing diluent and extractant, stripping from organic phase |
| 02/04/1986 | US4568525 Method for the selective dissolution of lead from mixed minerals containing zinc |
| 01/28/1986 | US4567284 Cobalt complex of N-alkylalkanohydroxamic acid |
| 01/28/1986 | US4567027 Precipitation with aluminum and phosphate ions |
| 01/28/1986 | US4566800 Sonic device for extracting minerals from ore |
| 01/21/1986 | US4565627 Filters for uranium, gold or silver |
| 01/14/1986 | US4564387 Wet zinc dust atomization and distribution |
| 01/08/1986 | EP0167414A1 Process for the selective extraction of germanium |
| 01/08/1986 | EP0167394A2 Process for removing metals from aluminosilicate materials |
| 01/07/1986 | US4563337 Method and apparatus for continuous ion exchange |
| 01/07/1986 | US4563256 Alkylsalicyladoxime |
| 01/07/1986 | US4563213 Extraction and stripping cobalt values |
| 01/02/1986 | EP0166710A1 Process for leaching sulfides containing zinc and iron |
| 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 |
| 12/31/1985 | US4561887 Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction |
| 12/31/1985 | CA1198577A1 Process for recovering and purifying spent sulfuric acid containing titanium salts |
| 12/24/1985 | US4560538 Curing and leaching process for metal ores |
| 12/24/1985 | CA1198290A1 Process for the production of electrolytic zinc or high purity zinc salts from secondary zinc raw- materials |
| 12/18/1985 | EP0165180A1 Stabilisation of aqueous solutions containing hydrogen peroxide and metallic ions |
| 12/18/1985 | EP0165166A1 Process for treating complex manganese ores such as marine nodules |
| 12/17/1985 | US4559313 Removal of inorganic contaminants from catalysts |
| 12/17/1985 | US4559237 Process for the deposition of metals on semiconductor powders |
| 12/17/1985 | US4559203 Liquid/liquid extraction of gallium values from basic aqueous solutions thereof |
| 12/17/1985 | CA1198048A1 Process for recovery of mineral values from subterranean formations |
| 12/17/1985 | CA1197986A1 Process for refining gold |
| 12/11/1985 | EP0163876A1 Process for depositing metals on semiconducting powders |
| 12/10/1985 | US4557760 Heat treating catalyst with an ethyleneglycoldialkyl ether |
| 12/03/1985 | CA1197382A1 Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution |
| 11/26/1985 | US4555385 Stripping |