C22B 1/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9920395 Method for recovering gold from refractory oreSep 16, 15Mar 20, 18ECOLAB USA INC.
9896742 Method for processing vanadium-titanium magnetite finished ores by using wet processApr 10, 14Feb 20, 18INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
9896739 System and method for melting metal chipsAug 13, 15Feb 20, 18ReMelt Scientific
9803260 Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metalsApr 17, 14Oct 31, 17AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
9803261 Method for improving quality of titanium-containing feedstockMar 06, 14Oct 31, 17TOHO TITANIUM CO., LTD.
9752213 Method for comprehensively recovering rare earth elements and fluorine element in a bastnaesite treatment processSep 29, 13Sep 05, 17GRIREM ADVANCED MATERIALS CO., LTD.
9719152 Method, arrangement, and pelletising plantMay 26, 15Aug 01, 17LUOSSAVAARA-KIIRUNAVAARA AB
9631259 Method for producing aqueous solution of perrhenic acid from rhenium sulfideMay 24, 13Apr 25, 17PAN PACIFIC COPPER CO., LTD.
9624561 Method for producing aqueous solution of perrhenic acid from rhenium sulfideMay 24, 13Apr 18, 17PAN PACIFIC COPPER CO., LTD.
9540706 Hydrometallurgical treatment process for extraction of metals from concentratesJul 12, 13Jan 10, 17LIFEZONE LIMITED
9464340 Method for recovery of nobel metals from long-chain hydrocarbons, tars, oilsOct 09, 14Oct 11, 16HERAEUS DEUTSCHLAND GMBH & CO. KG
9376732 Electric arc furnace dust recycling apparatus and methodSep 08, 14Jun 28, 16EMPIRE TECHNOLOGY DEVELOPMENT LLC
9371228 Integrated process for production of ozone and oxygenSep 12, 13Jun 21, 16AIR PRODUCTS AND CHEMICALS, INC.
9340849 Systems and methods for metal recoveryDec 17, 12May 17, 16FREEPORT MINERALS CORPORATION
9322082 Method for recovering rare earth elementJul 27, 12Apr 26, 16HITACHI METALS, LTD.
9212406 Valuable metal recovery methodFeb 15, 12Dec 15, 15SUMITOMO METAL MINING CO., LTD.
9200345 Process and plant for treating ore concentrate particles containing valuable metalDec 14, 10Dec 01, 15OUTOTEC OYJ
9203126 Method for recovering valuable metalsAug 12, 14Dec 01, 15SUMITOMO METAL MINING CO., LTD.
9194023 Recovery of gold from roaster calcine leach tailingsOct 23, 13Nov 24, 15BARRICK GOLD CORPORATION
9187340 Sulfide oxidation process for production of molybdenum oxides from molybdeniteJul 19, 13Nov 17, 15ORCHARD MATERIAL TECHNOLOGY

Showing 1 to 20 of 63 results