| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 06/25/1996 | US5529606 Oxidation process and the separation of metals from ore |
| 06/19/1996 | EP0717117A1 Method for the recovery of silver value from aqueous solution |
| 06/19/1996 | EP0716715A1 Recovery of aluminum and/or fluoride values from used aluminum chlorofluorides |
| 06/18/1996 | US5527017 Apparatus for dissolving zinc by means of acid-containing liquid electrolytes |
| 06/12/1996 | CN1124227A Technology and equipment for producing ultramicro metallic oxide |
| 06/11/1996 | CA1338370C Process for recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metals |
| 06/06/1996 | WO1996017095A1 Use of a solvent impregnated crosslinked matrix for metal recovery |
| 06/06/1996 | WO1996017090A1 Method for producing iron feedstock |
| 06/06/1996 | CA2206555A1 Method for producing iron feedstock |
| 06/06/1996 | CA2206121A1 Use of a solvent impregnated crosslinked matrix for metal recovery |
| 06/05/1996 | CN1123843A Recovery of platinum family elements from waste catalysts |
| 06/04/1996 | US5523514 Process for dissolving plutonium and/or other radioactive elements present in solid or liquid products |
| 06/04/1996 | US5523066 Treatment of lead sulphide bearing minerals |
| 06/04/1996 | US5522997 Process for the removal of toxic cyanide and heavy metal species from alkaline solutions |
| 05/30/1996 | WO1996015987A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/30/1996 | CA2205482A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/29/1996 | EP0713536A1 A process for recovering metals |
| 05/29/1996 | EP0713480A1 Apparatus and method for recovery of silver |
| 05/29/1996 | CN1123333A Wet type copper smelting-extracting process for cupric sulfide ore |
| 05/28/1996 | US5520792 Process for making copper metal powder, copper oxides and copper foil |
| 05/28/1996 | CA1338345C Nickel extraction with oxime extractants |
| 05/22/1996 | EP0712445A1 Hydrometallurgical process for the recovery of precious metal values from precious metal ores with thiosulfate lixiviant |
| 05/21/1996 | CA2000991C Method for sorbing metal values from a slurry containing the same |
| 05/17/1996 | WO1996014440A1 Process for decomposing and recovering the metal components from superalloys |
| 05/17/1996 | WO1996014438A1 Recovery of zinc from sulphidic concentrates |
| 05/17/1996 | WO1996014165A1 Polymerized phospholipid membrane mediated synthesis of metal nanoparticles |
| 05/17/1996 | WO1996014125A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 05/15/1996 | EP0665900B1 Production of metallic cobalt powder |
| 05/15/1996 | CN1031805C Separating and enriching method for rhodium, iridium, and gold, platinum palladium in solution |
| 05/14/1996 | US5516408 Below the melting point, leaching, solvent extraction, electrodeposition |
| 05/09/1996 | WO1996013624A1 Process for making copper wire |
| 05/09/1996 | DE4439041A1 Verfahren zum Aufschluß und Rückgewinnung der metallischen Bestandteile aus Superlegierungen Method for the decomposition and recovery of metallic components from superalloys |
| 05/08/1996 | EP0710297A1 Method of extracting fluorine from minerals or mineral species |
| 05/08/1996 | CN1121843A Method and apparatus for separating several metal chlorides by electrolysis and extraction |
| 05/08/1996 | CN1031760C Process for non-toxic extraction of gold |
| 05/02/1996 | WO1996013039A1 Process for production of molybdenum-99 and management of waste therefrom |
| 05/02/1996 | WO1996012826A1 Method for heap biooxidation of ore |
| 05/02/1996 | DE19507066C1 Removing residual nickel@ from used electroless nickel@ coating bath |
| 05/01/1996 | EP0709471A1 Use of diethyl dodecylphosphonate for extracting acid and metal salts from aqueous solutions |
| 05/01/1996 | CN1121532A Copper extracting method from mixed copper mine and cupric oxide mine |
| 04/30/1996 | US5512636 Cationic graft polymer agglomeration agents for mineral bearing ores |
| 04/27/1996 | CA2161180A1 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
| 04/24/1996 | EP0598747B1 N-ethyl hydroxamic acid chelants |
| 04/24/1996 | EP0471715B1 Process for two-phase extraction of metallic ions from phases containing solid metallic oxides |
| 04/24/1996 | CN1121361A Process for making copper foil |
| 04/24/1996 | CN1121360A Process for making copper metal powder, copper oxides and copper foil |
| 04/24/1996 | CN1121318A Removing toxic metals from solutions |
| 04/24/1996 | CN1121116A Microbe-preoxidation gold-lixiviating technology and the bacteria culturing device used |
| 04/24/1996 | CN1121049A Method for production of high-purity manganese carbonate with pyrolusite |
| 04/24/1996 | CN1121046A Process and equipment for preparation of superfine zinc oxide |
| 04/23/1996 | US5510091 Method of separating transplutonium elements from lanthanides in acidic solutions by solvent extraction |
| 04/23/1996 | US5510090 Stronger complexing with actinides(iii) makes possible thei separation from lanthanides(iii) |
| 04/23/1996 | US5510032 Flowing aqueous solution containing metal ions over porous matrix which has been inoculated with culture of aerobic metal oxidizing bacteria yields water insoluble metal oxides for retention and recovery |
| 04/17/1996 | EP0641392B1 Process for the separation of cobalt from nickel |
| 04/17/1996 | EP0449942B1 Method for separating metal ions using phosphonic acids as complexants |
| 04/17/1996 | CN1120691A Phonetic Chinese character input method |
| 04/17/1996 | CN1120690A Character inputting device |
| 04/11/1996 | WO1996010653A1 Treatment of minerals for extraction of zirconium |
| 04/10/1996 | EP0705127A1 Solvent extraction of metal containing species |
| 04/10/1996 | CN1120355A Hydrometallurgical recovery of metals from complex ores |
| 04/09/1996 | US5505925 Process for removing heavy metals from soil |
| 04/05/1996 | CA2159534A1 Process for extracting metals from solution |
| 04/04/1996 | WO1996010096A1 Process and solution for extracting metal |
| 04/03/1996 | EP0703993A1 Method for treatment of residues from organochlorosilane and/or chlorosilansynthesis |
| 04/03/1996 | CN1119678A Method for recovering silver, gold, antimony, copper and lead from lead anode mud |
| 04/03/1996 | CN1031459C Iron removing method in course of producing aluminium sulfate |
| 04/02/1996 | US5503751 Treatment with chemicals, precipitation, filtration |
| 04/02/1996 | US5503372 Nozzle for electric dispersion reactor |
| 04/02/1996 | CA2029937C Process to recover gallium from basic solutions |
| 03/28/1996 | WO1996009417A1 Leaching of precious metal ore with fluoroaliphatic surfactant |
| 03/28/1996 | WO1996009306A1 Asymmetric ligands useful for transition metal catalyzed bond forming reactions and epoxide reactions therewith |
| 03/28/1996 | CA2198001A1 Leaching of precious metal ore with fluoroaliphatic surfactant |
| 03/27/1996 | CN1031414C Process of compounding lime sulfur mixture for extracting Au, Ag |
| 03/27/1996 | CN1031413C Process for producing manganese sulfate and extracting silver from manganesesilver ore |
| 03/27/1996 | CN1031397C Process for preparing colloidal Sb2O5 by chlorination hydrolysis |
| 03/26/1996 | US5502250 Bis(dialkylthiophosphoryl)amines as metal extractants |
| 03/26/1996 | US5501767 Method for gettering noble metals from mineral acid solution |
| 03/21/1996 | WO1996008585A1 Method for recovering metal and chemical values |
| 03/20/1996 | EP0701973A1 Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same |
| 03/20/1996 | EP0701630A1 Solid bonded oxygen-donor macrocyclic ligands for removing and concentrating metals |
| 03/20/1996 | EP0701621A1 Phytoremediation of metals |
| 03/19/1996 | US5499770 Apparatus for suspension of particles in an ultrasonic field |
| 03/14/1996 | WO1996007762A1 Mineral processing |
| 03/14/1996 | DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry |
| 03/13/1996 | EP0700365A1 Method for recovering metals from solutions |
| 03/13/1996 | EP0700315A1 Multi-stage water treatment system |
| 03/13/1996 | CN2222169Y Intensified reaction cardron |
| 03/13/1996 | CN1118378A Pre-oxidating method for difficultly beneficiated gold containing ore or concentrated mineral by bacteria |
| 03/12/1996 | US5498398 Using hydrogen sulfide to form copper sulfide, blowing air to oxidize other metals in solution |
| 03/07/1996 | CA2155049A1 Cationic polymer agglomeration agents for mineral bearing ores |
| 03/06/1996 | CN1118013A Leaching method for earthy cobalt |
| 03/06/1996 | CN1031208C Method for recovering germanium from germanium-contained offscum |
| 02/29/1996 | DE19500057C1 Environmentally friendly prodn. of pure tungstate and molybdate soln. |
| 02/28/1996 | EP0698127A1 Recovery of metals from sulphidic material |
| 02/28/1996 | CN1117473A Chemical reacting tank for obtaining metal and salt |
| 02/27/1996 | US5494649 Leaching copper, lead and tin with methanesulfonic acid |
| 02/22/1996 | WO1996005329A1 Hydrometallurgical conversion of zinc sulfide to sulfate from zinc sulfide containing ores and concentrates |
| 02/21/1996 | CN2220473Y Enlarging reflux alkali decomposition reactor |
| 02/15/1996 | WO1996000308A3 Method and apparatus for extracting precious metals |
| 02/14/1996 | CN1116609A Method for producing aluminium fluoride and cryolite with kaoline |