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CPC
C22B19/22
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B19/00
Obtaining zinc or zinc oxide
Current Industry
C22B19/22
with leaching with acids
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Patents Grants
last 30 patents
Information
Patent Grant
Process for recovering non-ferrous metals from industrial mineral r...
Patent number
12,157,928
Issue date
Dec 3, 2024
Vito N.V.
Frantisek Kukurugya
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering components from alkaline batteries
Patent number
12,125,996
Issue date
Oct 22, 2024
Fortum Oyj
Peik Ekman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the treatment of iron-containing sludge
Patent number
12,054,804
Issue date
Aug 6, 2024
Arcelormittal
Gaelle Kerzerho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of critical metals from SX-EW copper raffinate and other s...
Patent number
11,821,057
Issue date
Nov 21, 2023
Scandium Internatlonal Mlning Corporatlon
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of extracting metals from polymetallic sulphide ores or conc...
Patent number
11,560,609
Issue date
Jan 24, 2023
COBRE LAS CRUCES, S.A.U.
Carlos Frías Gómez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the treatment of iron-containing sludge
Patent number
11,519,053
Issue date
Dec 6, 2022
Arcelormittal
Severine Giordana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for removing fluoride from a zinc-containing solution or sus...
Patent number
11,512,368
Issue date
Nov 29, 2022
Montanuniversität Leoben
Fritz Ludewig
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of inhibiting degradation of extractant by anhydrous environ...
Patent number
11,359,260
Issue date
Jun 14, 2022
KOREA RESOURCES CORPORATION
Jeon Woong An
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for inhibiting extractant degradation by diluent and extract...
Patent number
11,168,003
Issue date
Nov 9, 2021
KOREA RESOURCES CORPORATION
Jeon Woong An
G01 - MEASURING TESTING
Information
Patent Grant
Method of recovering iron from zinc sulphate solution
Patent number
11,001,507
Issue date
May 11, 2021
KOREA ZINC CO., LTD.
Je Joong Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid con...
Patent number
10,753,879
Issue date
Aug 25, 2020
KOREA RESOURCES CORPORATION
Seung Ho Lee
G01 - MEASURING TESTING
Information
Patent Grant
Method of ore processing using mixture including acidic leach solut...
Patent number
10,662,503
Issue date
May 26, 2020
The University of Queensland
James Vaughan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical process for the recovery of copper, lead or zinc
Patent number
10,633,721
Issue date
Apr 28, 2020
Penoles Tecnologia, S.A. DE C.V.
Ricardo Benavides Pérez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Autoclave and method for removing salt from autoclave
Patent number
10,584,398
Issue date
Mar 10, 2020
KOREA ZINC CO., LTD.
Je Joong Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for bioleaching and solvent extraction with selective recove...
Patent number
10,280,481
Issue date
May 7, 2019
SERVICIOS CONDUMEX S.A. DE C.V.
Belisario Sanchez-Vazquez
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for recovery of copper and zinc
Patent number
10,221,493
Issue date
Mar 5, 2019
Outotec (Finland) Oy
Erkki Paatero
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Decoating of coated materials
Patent number
10,087,502
Issue date
Oct 2, 2018
Colorado School of Mines
Joseph Grogan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Recovery of zinc from lead slag
Patent number
9,982,323
Issue date
May 29, 2018
Glencore Queensland Limited
Paul Voigt
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System and method for the recovery of metal values from slags, dros...
Patent number
9,945,005
Issue date
Apr 17, 2018
Metals Technology Development Company, LLC
Timothy Roy Hymer
C21 - METALLURGY OF IRON
Information
Patent Grant
Treatment method of chlorine-containing zinc oxide secondary material
Patent number
9,945,008
Issue date
Apr 17, 2018
YUNNAN XIANGYUNFEILONG RESOURCES RECYCLING TECHNOLOGY CO., LTD.
Yuzhang Shu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Zinc production method
Patent number
9,920,398
Issue date
Mar 20, 2018
Kinotech Solar Energy Corporation
Masaaki Iosaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovery of metals from sulfide ores
Patent number
9,822,426
Issue date
Nov 21, 2017
Jody Kelso
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of oxidative leaching of sulfide ores and/or concentrates
Patent number
9,771,631
Issue date
Sep 26, 2017
Metaleach Limited
Nicholas James Welham
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing metal zinc
Patent number
9,732,399
Issue date
Aug 15, 2017
Zincox Resources PLC
Antoine Masse
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the acid digestion of metal-containing compounds
Patent number
9,487,845
Issue date
Nov 8, 2016
BASF SE
Thomas Heidenfelder
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical method for recovery of zinc in sulphuric medium...
Patent number
9,463,986
Issue date
Oct 11, 2016
TAM 5, S.L.
Francisco Jose Tamargo Garcia
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for leaching a sulphidic metal concentrate
Patent number
9,359,657
Issue date
Jun 7, 2016
Outotec Oyj
Timo Haakana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for homogenizing and stabilizing an iron-beari...
Patent number
9,085,020
Issue date
Jul 21, 2015
Outotec Oyj
Leena Lehtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for leaching zinc from a zinc ore
Patent number
8,871,001
Issue date
Oct 28, 2014
Metaleach Limited
Matthew Leslie Sutcliffe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the removal of chloride from zinc sulphate solution
Patent number
8,540,950
Issue date
Sep 24, 2013
Outotec Oyj
Mikko Ruonala
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY
Publication number
20240376565
Publication date
Nov 14, 2024
KOREA ZINC CO., LTD.
Min Cheol KIM
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES
Publication number
20240240283
Publication date
Jul 18, 2024
METSO METALS OY
Jochen GÜNTNER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AN IMPROVED PROCESS FOR THE RECOVERY OF ZINC FROM ZINC-BEARING RAW...
Publication number
20230094835
Publication date
Mar 30, 2023
TÉCNICAS REUNIDAS, S.A.
Ana Belén Mejías Cordero
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM AND METHOD FOR RECOVERING CONSTITUENTS FROM BATTERIES
Publication number
20220416324
Publication date
Dec 29, 2022
RAW MATERIALS COMPANY INC.
Leslie MCLEAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE TREATMENT OF IRON-CONTAINING SLUDGE
Publication number
20210371953
Publication date
Dec 2, 2021
ARCELORMITTAL
Gaelle KERZERHO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for recovering components from alkaline batteries
Publication number
20210344059
Publication date
Nov 4, 2021
Fortum Oyj
Peik Ekman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR RECOVERING NON-FERROUS METALS FROM INDUSTRIAL MINERAL R...
Publication number
20210292869
Publication date
Sep 23, 2021
VITO NV
Frantisek KUKURUGYA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERY OF CRITICAL METALS FROM SX-EW COPPER RAFFINATE AND OTHER S...
Publication number
20210277497
Publication date
Sep 9, 2021
Scandium International Mining Corporation
Willem P.C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF INHIBITING DEGRADATION OF EXTRACTANT BY ANHYDROUS ENVIRON...
Publication number
20210062297
Publication date
Mar 4, 2021
KOREA RESOURCES CORPORATION
Jeon Woong AN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR INHIBITING EXTRACTANT DEGRADATION BY DILUENT AND EXTRACT...
Publication number
20210024368
Publication date
Jan 28, 2021
KOREA RESOURCES CORPORATION
Jeon Woong AN
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF EXTRACTING METALS FROM POLYMETALLIC SULPHIDE ORES OR CONC...
Publication number
20200362435
Publication date
Nov 19, 2020
COBRE LAS CRUCES, S.A.U.
Carlos FRÍAS GÓMEZ
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR REMOVING FLUORIDE FROM A ZINC-CONTAINING SOLUTION OR SUS...
Publication number
20200032371
Publication date
Jan 30, 2020
Montanuniversitat Leoben
Fritz LUDEWIG
C01 - INORGANIC CHEMISTRY
Information
Patent Application
AUTOCLAVE AND METHOD FOR REMOVING SALT FROM AUTOCLAVE
Publication number
20190249272
Publication date
Aug 15, 2019
KOREA ZINC CO., LTD.
Je Joong LEE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF RECOVERING IRON FROM ZINC SULPHATE SOLUTION
Publication number
20190233302
Publication date
Aug 1, 2019
KOREA ZINC CO., LTD.
Je Joong LEE
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for the Treatment of Iron-Containing Sludge
Publication number
20190177815
Publication date
Jun 13, 2019
ArcelorMittal
Severine Giordana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
REMOVAL OF RADIONUCLIDES FROM MIXTURES
Publication number
20180010208
Publication date
Jan 11, 2018
BASF SE
Henning URCH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECYCLING VALUABLE METALS FROM SPENT BATTERIES
Publication number
20170170532
Publication date
Jun 15, 2017
Institut National de la Recherche Scientifique
Jean-Francois Blais
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
PROCESS FOR REDUCING THE AMOUNTS OF ZINC (ZN) AND LEAD (PB) IN MATE...
Publication number
20170058378
Publication date
Mar 2, 2017
Ludivine PIEZANOWSKI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TREATMENT METHOD OF CHLORINE-CONTAINING ZINC OXIDE SECONDARY MATERIAL
Publication number
20160160319
Publication date
Jun 9, 2016
YUNNAN XIANGYUNFEILONG RESOURCES RECYCLING TECHNOLOGY CO., LTD.
Yuzhang Shu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ZINC PRODUCTION METHOD
Publication number
20160138130
Publication date
May 19, 2016
Kinotech Solar Energy Corporation
Masaaki IOSAKI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD FOR BIOLEACHING AND SOLVENT EXTRACTION WITH SELECTIVE RECOVE...
Publication number
20160115564
Publication date
Apr 28, 2016
Servicios Condumex S.A. DE C.V.
Belisario SANCHEZ- VAZQUEZ
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SYSTEM AND METHOD FOR THE RECOVERY OF METAL VALUES FROM SLAGS, DROS...
Publication number
20160102383
Publication date
Apr 14, 2016
Timothy Roy Hymer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method for Recovery of Metals from Sulfide Ores
Publication number
20150329936
Publication date
Nov 19, 2015
Jody Kelso
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DECOATING OF COATED MATERIALS
Publication number
20150259766
Publication date
Sep 17, 2015
Colorado School Of Mines
Joseph Grogan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR LEACHING A SULPHIDIC METAL CONCENTRATE
Publication number
20140311296
Publication date
Oct 23, 2014
Timo Haakana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HYDROMETALLURGICAL METHOD FOR RECOVERY OF ZINC IN SULPHURIC MEDIUM...
Publication number
20140212348
Publication date
Jul 31, 2014
Ram5, S.L.
Francisco Jose Tamargo Garcia
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING METAL ZINC
Publication number
20130220824
Publication date
Aug 29, 2013
ZincOx Resources PLC
Antoine Masse
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND APPARATUS FOR HOMOGENISING AND STABILISING AN IRON-BEARI...
Publication number
20130060075
Publication date
Mar 7, 2013
OUTOTEC OYJ
Leena Lehtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR LEACHING ZINC FROM A ZINC ORE
Publication number
20130025412
Publication date
Jan 31, 2013
METALEACH LIMITED
Matthew Leslie Sutcliffe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR THE REMOVAL OF CHLORIDE FROM ZINC SULPHATE SOLUTION
Publication number
20120288424
Publication date
Nov 15, 2012
OUTOTEC QYJ
Mikko Ruonala
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...