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Obtaining zinc or zinc oxide
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CPC
C22B19/00
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
Current Industry
C22B19/00
Obtaining zinc or zinc oxide
Sub Industries
C22B19/02
Preliminary treatment of ores Preliminary refining of zinc oxide
C22B19/04
Obtaining zinc by distilling
C22B19/06
in muffle furnaces
C22B19/08
in blast furnaces
C22B19/10
in reverberatory furnaces
C22B19/12
in crucible furnaces
C22B19/14
in vertical retorts
C22B19/16
Distilling vessels
C22B19/18
Condensers, Receiving vessels
C22B19/20
Obtaining zinc otherwise than by distilling
C22B19/22
with leaching with acids
C22B19/24
with leaching with alkaline solutions
C22B19/26
Refining solutions containing zinc values
C22B19/28
from muffle furnace residues
C22B19/30
from metallic residues or scraps
C22B19/32
Refining zinc
C22B19/34
Obtaining zinc oxide
C22B19/36
in blast or reverberatory furnaces
C22B19/38
in rotary furnaces
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Patents Grants
last 30 patents
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Patent Grant
Treated geothermal brine compositions with reduced concentrations o...
Patent number
12,221,671
Issue date
Feb 11, 2025
TERRALITHIUM LLC
Stephen Harrison
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for removing arsenic from copper smelting soot and comprehen...
Patent number
12,215,406
Issue date
Feb 4, 2025
SHANDONG HUMON SMELTING CO., LTD.
Junfeng Zhang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Treated geothermal brine compositions with reduced concentration of...
Patent number
12,168,748
Issue date
Dec 17, 2024
TERRALITHIUM LLC
Stephen Harrison
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Process for transition metal oxide reduction
Patent number
12,104,224
Issue date
Oct 1, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
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
Pyro-metallurgical process in a rotary kiln
Patent number
12,018,345
Issue date
Jun 25, 2024
S.A. Lhoist Recherche et Developpement
Ian Saratovsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal and tin alloy having low alpha-ray emission, and method for p...
Patent number
12,000,020
Issue date
Jun 4, 2024
Mitsubishi Materials Corporation
Hirotaka Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Environmentally-friendly compositions and methods for extracting mi...
Patent number
12,000,016
Issue date
Jun 4, 2024
LOCUS SOLUTIONS IPCO, LLC
Sean Farmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the purification of waste materials or industrial by-pr...
Patent number
11,938,527
Issue date
Mar 26, 2024
amaTEQ Holding GmbH
Alexander Kehrmann
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method of separating and recovering bromine from printed circuit bo...
Patent number
11,858,822
Issue date
Jan 2, 2024
Beijing University of Technology
Dean Pan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the purification of waste materials or industrial by-pr...
Patent number
11,850,641
Issue date
Dec 26, 2023
amaTEQ Holding GmbH
Alexander Kehrmann
C21 - METALLURGY OF IRON
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
Process and system for plasma-induced selective extraction and reco...
Patent number
11,692,239
Issue date
Jul 4, 2023
Centre National de la Recherche Scientifique (CNRS)
Frédéric Rousseau
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for disposal of waste printed circuit board thermal cracking...
Patent number
11,692,238
Issue date
Jul 4, 2023
Beijing University of Technology
Yufeng Wu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Chemical process for the recovery of alkaline and zinc-carbon batte...
Patent number
11,578,387
Issue date
Feb 14, 2023
EVH S.R.L. IN LIQUIDAZIONE
Emmanouil Volakakis
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
Treated geothermal brine compositions with reduced concentration of...
Patent number
11,466,191
Issue date
Oct 11, 2022
TERRALITHIUM LLC
Stephen Harrison
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the recovery of zinc
Patent number
11,408,054
Issue date
Aug 9, 2022
TATA STEEL NEDERLAND TECHNOLOGY B.V.
Johannes Hage
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Extraction methods from refractory ores
Patent number
11,401,578
Issue date
Aug 2, 2022
TCM RESEARCH LTD.
Dmitri S. Terekhov
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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 of inhibiting degradation of DSX extractant by auxiliary means
Patent number
11,359,258
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 of inhibiting extractant degradation by controlling extracti...
Patent number
11,274,047
Issue date
Mar 15, 2022
KOREA RESOURCES CORPORATION
Jeon Woong An
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for inhibiting extractant degradation of DSX process through...
Patent number
11,254,584
Issue date
Feb 22, 2022
KOREA RESOURCES CORPORATION
Jeon Woong An
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for inhibiting extractant degradation of DSX process through...
Patent number
11,203,531
Issue date
Dec 21, 2021
KOREA RESOURCES CORPORATION
Jeon Woong An
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of pretreatment and bromine recovery of PCB incineration ash
Patent number
11,198,615
Issue date
Dec 14, 2021
Beijing University of Technology
Yufeng Wu
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
Patents Applications
last 30 patents
Information
Patent Application
Hydrometallurgical process for waste materials of the zinc and stee...
Publication number
20250034677
Publication date
Jan 30, 2025
Teknologian Tutkimuskeskus VTT Oy
Teppo Riihimäki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES
Publication number
20250030074
Publication date
Jan 23, 2025
University of Kentucky Research Foundation
Joshua Werner
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for the Separation of Zinc and Iron from Electric Arc Furnac...
Publication number
20250011897
Publication date
Jan 9, 2025
Sand Spirit LLC
William Rusty Sutterlin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for Transition Metal Oxide Reduction
Publication number
20240401168
Publication date
Dec 5, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
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 for the Production of Zinc Oxide Concentrate and Iron Ecosi...
Publication number
20240368731
Publication date
Nov 7, 2024
Juarez Linhares
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE
Publication number
20240368729
Publication date
Nov 7, 2024
KOREA ZINC CO., LTD.
Heon Sik CHOI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR MANUFACTURING HIGH-GRADE REFINED IRON OXIDE FROM IRON OX...
Publication number
20240344173
Publication date
Oct 17, 2024
KOREA ZINC CO., LTD.
Heon Sik CHOI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...
Publication number
20240327936
Publication date
Oct 3, 2024
KOREA ZINC CO., LTD.
Heon Sik CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
Environmentally-Friendly Compositions and Methods for Extracting Mi...
Publication number
20240318278
Publication date
Sep 26, 2024
Locus Solutions IPCo, LLC
Sean FARMER
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF...
Publication number
20240271026
Publication date
Aug 15, 2024
TERRALITHIUM LLC
Stephen Harrison
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
IMPROVED METHOD FOR RECYCLING ZINC (ZN)
Publication number
20240263269
Publication date
Aug 8, 2024
REAZN BELGIUM
Jean GOUVERNEYRE
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
DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...
Publication number
20240229193
Publication date
Jul 11, 2024
XI'AN JIAOTONG UNIVERSITY
Shengqiang MA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...
Publication number
20240132997
Publication date
Apr 25, 2024
XI'AN JIAOTONG UNIVERSITY
Shengqiang MA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AUTOCLAVE AND PRESSURE OXIDATION METHOD
Publication number
20240110258
Publication date
Apr 4, 2024
Metso Outotec Finland Oy
Marko Latva-Kokko
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A PROCESS FOR TRANSITION METAL OXIDE REDUCTION
Publication number
20240043960
Publication date
Feb 8, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Application
ZINC RECOVERY METHOD
Publication number
20240044029
Publication date
Feb 8, 2024
JGC Corporation
Kenzo Sauda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ZINC RECOVERY METHOD
Publication number
20240035114
Publication date
Feb 1, 2024
CHUGAI RO CO., LTD.
Yoshifumi ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS
Publication number
20230357888
Publication date
Nov 9, 2023
PYROGENESIS CANADA INC.
Michel G. Drouet
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF REMOVING VOLATILE CONSTITUENTS FROM AN INDUSTRIAL DUST, A...
Publication number
20230332266
Publication date
Oct 19, 2023
Montanuniversitat Leoben
Jürgen ANTREKOWITSCH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SUSTAINABLE METHOD FOR RECYCLING SMELTING WORKS DUSTS AND SLUDGES T...
Publication number
20230295765
Publication date
Sep 21, 2023
ThyssenKrupp Steel Europe AG
Andreas TEBECK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LOW TEMPERATURE REDUCTION OF METAL OXIDES
Publication number
20230295767
Publication date
Sep 21, 2023
KINALTEK PTY. LTD.
Jawad Haidar
B22 - CASTING POWDER METALLURGY
Information
Patent Application
A METHOD OF SEPARATING AND RECOVERING BROMINE FROM PRINTED CIRCUIT...
Publication number
20230192488
Publication date
Jun 22, 2023
BEIJING UNIVERSITY OF TECHNOLOGY
DEAN PAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ALLOY TREATMENT METHOD
Publication number
20230167526
Publication date
Jun 1, 2023
Sumitomo Metal Mining Co., Ltd.
Keiji Kudou
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HYDROMETALLURGICAL METHOD FOR SIMULTANEOUSLY EXTRACTING METALS AND...
Publication number
20230137480
Publication date
May 4, 2023
Julio Domingo BONELLI ARENAS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AMMONIUM COMPLEX SYSTEM-BASED METHOD FOR SEPARATING AND PURIFYING L...
Publication number
20230124749
Publication date
Apr 20, 2023
GreenNovo Environmental Technology Co., Ltd
Yan LUO
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
TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF...
Publication number
20230085171
Publication date
Mar 16, 2023
TERRALITHIUM LLC
Stephen Harrison
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING METAL ZINC FROM SOLID METALLURGICAL WASTES
Publication number
20230083759
Publication date
Mar 16, 2023
ENGITEC TECHNOLOGIES S.P.A.
Massimo Giuseppe MACCAGNI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...