C22B 1/11

Technology



back to "C22B 1/11" profile

More Results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9981295 Method for vitrification of arsenic and antimonyJul 21, 16May 29, 18Dundee Sustainable Technologies Inc.
9598748 Method for producing ferroalloy containing nickelDec 20, 13Mar 21, 17OUTOTEC OYJ
9546409 Process for producing direct reduced iron (DRI) utilizing gases derived from coalAug 20, 11Jan 17, 17DANIELI & C. OFFICINE MECCANICHE S.P.A., HYL TECHNOLOGIES, S.A. DE C.V.,
9410225 Process for recovery of copper from arsenic-bearing and/or antimony-bearing copper sulphide concentratesMay 13, 14Aug 09, 16AURUBIS AG
9328397 Removal of arsenic using a dissimilatory arsenic reductaseApr 03, 15May 03, 16UNIWERSYTET WARSZAWSKI
7311786 Passivation of sulfidic iron-containing rockMay 06, 04Dec 25, 07BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION, ON BEHALF OF THE UNIVERSITY OF NEVADA, RENO
5397380 Method for processing complex metal sulphide materialsOct 21, 93Mar 14, 95BOLIDEN MINERAL AB
4888293 Adapting bacteria to low pH and high arsenic concentration for use in oxidizing sulfide oresJul 10, 87Dec 19, 89GB BIOTECH INC.
4756745 Process to benefit colemanite and/or howlite mineralsJan 29, 87Jul 12, 88MATERIAS PRIMAS MAGDALENA, S.A. DE C.V., A CORP. OF MEXICO, Materias Primas Magdalena, S.A.DE C. V.,
4661118 Method for oxidation of pyrite in coal to magnetite and low field magnetic separation thereofApr 15, 85Apr 28, 87The United States of America as represented by the Secretary of the Interior
4457776 Process for the removal of arsenic compounds from tungsten or molybdenum concentratesAug 02, 83Jul 03, 84Shell Internationale Research Maatschappij B.V.
4420331 Process for the removal of arsenic compounds from tungsten or molybdenum concentratesJan 21, 82Dec 13, 83Shell Internationale Research Maatschappij B.V.
4416688 Direct reduction of ores and concentration of metallic valuesJan 28, 82Nov 22, 83RAYMOND KAISER ENGINEERS INC., A CORP OF OHIO
4344792 Reduction smelting processFeb 26, 81Aug 17, 82Inco Limited
4321089 Process for the recovery of molybdenum and rhenium from their sulfide oresJun 11, 80Mar 23, 82Union Oil Company of California
4256485 Enzyme oxidation of sulfides in mineralsOct 11, 79Mar 17, 81Northwest Ecological Research & Development, Inc.