B03D 1/002

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9968945 Maximise the value of a sulphide ore resource through sequential waste rejectionJun 23, 17May 15, 18ANGLO AMERICAN SERVICES (UK) LTD.
9889452 Methods for facilitating mineral extractionDec 22, 14Feb 13, 18CHEMTREAT, INC.
9885095 Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrateJan 30, 15Feb 06, 18GOLDCORP INC.
9643193 Frothers for mineral flotationJul 20, 16May 09, 17ECOLAB USA INC.
9586212 Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasseSep 04, 13Mar 07, 17VALE S.A.
9567655 Processes for the separation of oresOct 17, 13Feb 14, 17GEORGIA-PACIFIC CHEMICALS LLC
9440242 Frothers for mineral flotationOct 01, 13Sep 13, 16ECOLAB USA INC.
9346062 Separation of copper minerals from pyrite using air-metabisulfite treatmentDec 03, 10May 24, 16BARRICK GOLD CORPORATION
9266120 Collectors for mineral flotationOct 01, 13Feb 23, 16ECOLAB USA INC.
9073106 Process, decontaminant and chemical kit for the decontaminating media polluted with metals and hydrophobic organic compoundsOct 02, 08Jul 07, 15CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
9028782 Processing nickel bearing sulphidesJan 09, 09May 12, 15BHP BILLITON SSM DEVELOPMENT PTY LTD
8960444 Method for separating arsenic mineral from copper-bearing material with high arsenic gradeOct 27, 09Feb 24, 15SUMITOMO METAL MINING CO., LTD.
8931642 Activated flotation circuit for processing combined oxide and sulfide oresJan 13, 14Jan 13, 15Not available
8614173 Water treatment methodMar 22, 07Dec 24, 13MITSUBISHI CHEMICAL CORPORATION
7516849 Froth flotation process with pH modificationFeb 21, 07Apr 14, 09ARR-MAZ CUSTOM CHEMICALS, INC.
7389881 FlotationMar 28, 02Jun 24, 08BHP BILLITON INNOVATION PTY LTD., BHP Billiton Pty Ltd,
7152741 Use of ozone to increase the flotation efficiency of sulfide mineralsFeb 12, 03Dec 26, 06AIR LIQUIDE CANADA INC., L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE,
6484883 Use of cupric chloride in zinc flotationOct 18, 00Nov 26, 02PHIBRO-TECH, INC.
6138835 Recovery of petalite from ores containing feldspar mineralsJul 12, 99Oct 31, 00Avalon Ventures Ltd.
5992640 Precious metals recovery from oresSep 12, 97Nov 30, 99BOC Gases Austrailia Ltd.

Showing 1 to 20 of 32 results