| Patents for C22B 11 - Obtaining noble metals (5,080) |
|---|
| 11/19/2003 | CN1456694A Activaled prussiate gold leaching-out process |
| 11/13/2003 | WO2003093516A1 Method for refining concentrate containing precious metals |
| 11/13/2003 | WO2003093515A1 Separation of platinum group metals |
| 11/13/2003 | US20030209106 Filtration of colloids; combustion |
| 11/13/2003 | CA2484416A1 Method for refining concentrate containing precious metals |
| 11/06/2003 | WO2003091463A1 Method for the recovery of gold |
| 11/06/2003 | US20030205105 Extracting precious metals and other minerals from solutions and slurries of feed material(s) and in-place mineralized ground systems, such as drilling or bore holes by volatilizing them from these sources. |
| 10/30/2003 | US20030200839 Aqueous solution of ore; preferential removal copper compound; using resin adsorber |
| 10/29/2003 | CN1452605A Method for recovery of metals by incineration of metal contg. basic ion exchange resin |
| 10/29/2003 | CN1452590A Metal bearing membranes |
| 10/23/2003 | WO2003087416A1 Process for extracting platinum group metals |
| 10/22/2003 | EP1354073A2 Method for the treatment of work pieces with a palladium colloid solution |
| 10/16/2003 | US20030192403 Drainage aid for metal heap leaching |
| 10/14/2003 | US6632264 Gold recovery from thiosulfate leaching |
| 10/09/2003 | US20030190274 Extraction of metals with diquaternary amines |
| 10/02/2003 | WO2003080879A1 Process for the recovery of gold and silver from used refractory bricks |
| 10/02/2003 | US20030185733 Oxidising "organics" in precious metal organic compositions such as heterogeneous Pt/C or homogeneous precious metal catalysts and producing a precious metal oxide with few by-products and low losses of precious metal. |
| 10/02/2003 | US20030183043 Ultrasound enhanced process for extracting metal species in supercritical fluids |
| 10/01/2003 | CN1445381A Method for recovering catalytic metal using porous metal filter |
| 10/01/2003 | CN1445380A Method for recovering catalytic metal |
| 10/01/2003 | CN1445374A Technique for handling tailings pulp containing cyanogens by ozone oxidation method |
| 09/30/2003 | US6627149 Less than 0.5ppm sulfur, iron, copper, palladium, gold and lead impurities |
| 09/30/2003 | US6626979 Adding a seeding agent to the vessel during oxidation |
| 09/30/2003 | US6626978 Method for dressing materials |
| 09/25/2003 | WO2003078670A1 Method for separating platinum group element |
| 09/25/2003 | WO2003010346A3 Wet process and reactor for the recovery of platinum group metals from automobile catalytic converters |
| 09/17/2003 | EP1231285B1 Process and equipment for the separation of gold particles |
| 09/17/2003 | EP1229977A4 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
| 09/17/2003 | CN1442498A Method of crude gold purification |
| 09/03/2003 | CN1439733A Clay gold ore dump leaching benefication production |
| 09/02/2003 | US6613271 Apparatus and methods for recovering valuable metals |
| 08/28/2003 | WO2001088211A3 Method for the treatment of work pieces with a palladium colloid solution |
| 08/27/2003 | EP1337675A1 Chromatographic method of separating ruthenium from platinum group metals |
| 08/21/2003 | US20030158036 Washing off promoters using bases, then dissolving the magnesium oxide catalyst support in acids and separating ruthenium from the solutions |
| 08/21/2003 | US20030157004 Extraction of metals with diquaternary amines |
| 08/21/2003 | US20030155250 Method for the treatment of work pieces with a palladium colloid solution |
| 08/21/2003 | US20030154821 Leaching the silver bullion with nitric acid in oxygen atomsphere, followed by filtration, separating gold bearing residue form silver rich liquor, heating, evaporating water, forming silver nitrate melt, and separating form the residue |
| 08/13/2003 | EP1333931A1 Installation and method for processing shredder residues and use of a shred fraction so produced |
| 08/07/2003 | DE10211084C1 Recovery of noble metal, especially gold, from production residue, e.g. sludge, dross or polishing dust, involves dissolution in aqueous thiocyanate solution by adding strong oxidant, e.g. sodium peroxydisulfate or peroxide |
| 08/06/2003 | EP1332234A1 Precious metal scavenging from a liquid medium with a functionalised polymer fiber |
| 08/05/2003 | US6602319 Process for the recovery of gold and silver from used refractory bricks |
| 07/30/2003 | EP1331280A1 Method of manufacturing a silver billet and a tubular sputtering target |
| 07/30/2003 | CN2563163Y Cyaniding steeping air stirrer |
| 07/24/2003 | US20030136685 Process for electrochemical decomposition of superalloys |
| 07/23/2003 | EP1255697B1 Method for recovering rhodium from reaction products of oxosynthesis |
| 07/22/2003 | US6596245 Process for the recovery and refining of rhodium |
| 07/17/2003 | DE10155791C1 Verfahren zum elektrochemischen Aufschluss von Superlegierungen A method for the electrochemical decomposition of superalloys |
| 07/10/2003 | WO2003056043A1 Recovery of platinum group metals from mining tails |
| 07/10/2003 | WO2003055598A1 Recovery of rhenium from a spent catalyst via sublimation |
| 07/10/2003 | US20030129112 Selective metal leaching process |
| 07/09/2003 | CN1428445A Method for extracting osmium, iridium and ruthenium |
| 07/08/2003 | CA2305052C Bioleaching sulfidic materials |
| 07/03/2003 | US20030124744 Methods for detecting and extracting gold |
| 07/02/2003 | EP1322550A1 Metal bearing membranes |
| 07/02/2003 | EP1119645B1 Process and apparatus for recovering metal material from waste material |
| 06/26/2003 | US20030119923 Method for recovering rhodium from reaction products of oxosynthesis |
| 06/26/2003 | US20030119658 Heating, oxidation, recovering |
| 06/25/2003 | EP1321534A2 A method for recovering catalytic metals |
| 06/25/2003 | EP1259652A4 Process and apparatus for recovery of cyanide and metals |
| 06/25/2003 | CN1426485A Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 06/19/2003 | WO2003025234A3 Method for obtaining cobalt and nickel from ores and ore concentrates |
| 06/17/2003 | US6579504 Leaching flotation concentrate to dissolve metal sulfides; filtration, separation, roasting, chlorination, precipitation |
| 06/17/2003 | CA2186356C Hydrometallurgical extraction process for treating ores containing copper alone or copper and gold |
| 06/11/2003 | CN2555269Y Deep heat pressure oxidation treatment equipment for hard immersion gold ore |
| 06/05/2003 | WO2003046231A1 Electromagnetic pyrolysis metallurgy |
| 06/05/2003 | WO2003045627A1 System, workstation and method for dental and jewelry manufacturing |
| 06/04/2003 | EP1315693A1 Recovery of metals by incineration of metal containing basic ion exchange resin |
| 06/03/2003 | US6572677 Recovering silver from waste photographic processing solution comprising silver ions by contacting with body of material comprising fine iron particles dispersed in binder matrix of crosslinked gelatin, which reduces silver ions to silver metal |
| 05/29/2003 | US20030099322 Method of separating and recovering rare FP in spent nuclear fuels and cooperation system for nuclear power generation and fuel cell power generation utilizing the same |
| 05/28/2003 | EP1314788A2 A method for recovering catalytic metals using a porous metal filter |
| 05/28/2003 | EP1165847B1 Cyanide recovery from aqueous ore processing solutions by solvent extraction |
| 05/28/2003 | EP1064411B1 Extraction of valuable metal by acid cyanide leach |
| 05/27/2003 | CA2239960C Biological oxidation of sulphide minerals |
| 05/23/2003 | CA2363762A1 Electromagnetic pyrolysis metallurgy |
| 05/21/2003 | EP1312686A2 Electrochemical dissolution process for disintegrating superalloy scraps |
| 05/21/2003 | CN1418985A Electrochemical decomposition method for high-temp. alloy |
| 05/15/2003 | US20030089619 Process and apparatus for recovery of cyanide and metals |
| 05/14/2003 | CN1417356A Extraction of platinum family metals and Cu, Ni and Co from sulfide ore or floated concentrate of platinum family metals |
| 05/14/2003 | CN1108214C Method for preparation of golden powder by decomposing aerosol |
| 05/13/2003 | CA2127437C Cyanide recycling process |
| 05/08/2003 | US20030086849 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 05/06/2003 | US6559093 Ruthenium and promoter on catalyst support |
| 05/01/2003 | WO2003010345B1 Method for improving metals recovery using high temperature pressure leaching |
| 05/01/2003 | US20030079566 For use as a catalyst in fuel cells or in chemical reactions |
| 04/30/2003 | CN1414125A Method of recovering rhodium from spent rhodium catalyst in carbongl group synthesis reaction |
| 04/29/2003 | US6555008 Aluminosilicate polymer bearing on its surface organic radicals with functions of SH or -S(CH2)nS- where n is 11-14; and a silver complexing agent that is released into an aqueous developer for silver halide photographic products. |
| 04/24/2003 | WO2003033747A1 Separation and recovery of precious metals using polymer materials |
| 04/23/2003 | EP1303640A2 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 04/23/2003 | EP1240118B1 Aluminium-wettable protective coatings for carbon components used in metallurgical processes |
| 04/22/2003 | US6551660 Method for removing reactive metal from a reactor system |
| 04/22/2003 | US6551378 Recovery of precious metals from low concentration sources |
| 04/16/2003 | EP1301781A2 Method and apparatus for the assay of precious metals |
| 04/16/2003 | CN1410563A Biological gold extraction method of difficult separation concentrate and special equipment |
| 04/16/2003 | CN1105786C Process for recovering metal rhodium from residual liquid of waste rhodium catalyst |
| 04/15/2003 | US6547649 System and method for recovering metals from scrap generated during dental and jewelry manufacturing |
| 04/10/2003 | WO2003029501A1 High percentage zinc alloy for use with silver or gold |
| 04/10/2003 | DE10202445C1 Production of silver blanks, for use as tube targets, involves melting silver in an inert or reduction atmosphere together with calcium or aluminum, pouring molten silver in mold and cooling under atmospheric conditions |
| 04/09/2003 | CN1409771A Recovery of precious metals |
| 04/03/2003 | WO2003027339A1 Metal ion recovery |
| 04/03/2003 | CA2460813A1 Metal ion recovery |