Preliminary treatment of ores Preliminary refining of zinc oxide

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CPC
C22B19/02

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CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B19/00Obtaining zinc or zinc oxide

Current Industry

C22B19/02Preliminary treatment of ores Preliminary refining of zinc oxide

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Patents Grantslast 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
Rotation-suspension smelting method, a burner and a metallurgical e...
- Patent number 10,144,988
- Issue date Dec 4, 2018
- Yanggu Xiangguang Copper Co., Ltd.
- Songlin Zhou
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering value metals from ore
- Patent number 10,124,346
- Issue date Nov 13, 2018
- ANGLO AMERICAN SERVICES (UK) LTD.
- Anthony Owen Filmer
- 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 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
Method for producing a high-purity nanometer zinc oxide from low-gr...
- Patent number 9,512,502
- Issue date Dec 6, 2016
- SICHUAN XINHONG TECHNOLOGY CO., LTD
- Shangquan Chen
- B82 - NANO-TECHNOLOGY
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 of ore processing
- Patent number 9,447,480
- Issue date Sep 20, 2016
- The University of Queensland
- James Vaughan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Treatment of sulphidic materials
- Patent number 8,999,274
- Issue date Apr 7, 2015
- Glencore Queensland Limited
- Patrick Bowen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Selective leach recovery of zinc from a composite sulphide ore depo...
- Patent number 8,961,911
- Issue date Feb 24, 2015
- Yava Technologies Inc.
- Madhav Dahal
- 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 ammoniacal leaching
- Patent number 8,388,729
- Issue date Mar 5, 2013
- Metaleach Limited
- Nicholas J. Welham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for increasing metal production in smelter operations
- Patent number 7,947,327
- Issue date May 24, 2011
- General Electric Company
- Gert-Jan Oude Egberick
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Concentration/calcination process of zinc silicated minerals and co...
- Patent number 7,172,074
- Issue date Feb 6, 2007
- Compamhia Mineira de Metais
- Julio Cesar Bittencourt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for reducing build-up on a roasting furnace grate
- Patent number 7,044,996
- Issue date May 16, 2006
- Outokumpu Technology Oy
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the stabilization of a fluidized bed in a roasting furnace
- Patent number 6,926,752
- Issue date Aug 9, 2005
- Outokumpu Oyj
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sulfatization process for metal extraction from sulfide ores
- Patent number 6,846,346
- Issue date Jan 25, 2005
- Joma Chemicals AS
- Solomon Flax
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Arrangement and method for reducing build-up on a roasting furnace...
- Patent number 6,814,571
- Issue date Nov 9, 2004
- Outokumpu Oyj
- Jens Nyberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Roaster with stabilized fluidized bed for roasting zinc concentrate
- Patent number 6,669,894
- Issue date Dec 30, 2003
- Korea Zinc Co., Ltd.
- Chang-Young Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for regulating a roasting furnace
- Patent number 6,641,392
- Issue date Nov 4, 2003
- Outokumpu Oyj
- Heikki Siirilä
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Non-ferrous metal recovery method utilizing a melt sulphation reaction
- Patent number 6,274,104
- Issue date Aug 14, 2001
- Jussi Rastas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovery of zinc from sphalerite containing ores or con...
- Patent number 6,162,346
- Issue date Dec 19, 2000
- N.V. Union Miniere S.A.
- Sybolt Brouwer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the extraction of zinc from sulphide concentrates
- Patent number 5,858,315
- Issue date Jan 12, 1999
- N.V. Union Miniere S.A.
- John W. Van Put
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fluidized bed roasting process
- Patent number 5,803,949
- Issue date Sep 8, 1998
- Cominco Ltd.
- Murray J. Brown
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Oxygen smelting of copper or nickel sulfides
- Patent number 5,607,495
- Issue date Mar 4, 1997
- The University of Birmingham
- Noel A. Warner
- C21 - METALLURGY OF IRON
Information Patent Grant
Dry process for refining zinc sulfide concentrates
- Patent number 5,178,667
- Issue date Jan 12, 1993
- Sumitomo Metal Mining Company Limited
- Nobumasa Kemori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of recovering non-ferrous metal values, especially nickel,...
- Patent number 5,082,638
- Issue date Jan 21, 1992
- Pekka J. Saikkonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of zinc values from zinc and iron-bearing sulfide materials
- Patent number 4,889,694
- Issue date Dec 26, 1989
- University of Waterloo
- Donald R. Spink
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of zinc from zinc bearing sulphidic ores and concentrates...
- Patent number 4,789,529
- Issue date Dec 6, 1988
- Materials-Concepts-Research Limited
- Murry C. Robinson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for leaching zinc from partially desulfurized zinc concentr...
- Patent number 4,778,520
- Issue date Oct 18, 1988
- University of Waterloo
- Donald R. Spink
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Geothermally Powered Pyrometallurgical Zinc Production
- Publication number 20250060163
- Publication date Feb 20, 2025
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Zinc Production Powered by Geothermal Energy
- Publication number 20250059622
- Publication date Feb 20, 2025
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
METHOD FOR PROCESSING STEELMAKING DUST, METHOD FOR PRODUCING ZINC,...
- Publication number 20190106767
- Publication date Apr 11, 2019
- TOHOKU UNIVERSITY
- Tetsuya NAGASAKA
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR RECOVERING VALUE METALS FROM ORE
- Publication number 20160310956
- Publication date Oct 27, 2016
- ANGLO AMERICAN SERVICES UK LIMITED
- Anthony Owen FILMER
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
METHOD FOR RECOVERING ZINC FROM ELECTRIC FURNACE STEELMAKING DUST A...
- Publication number 20160177416
- Publication date Jun 23, 2016
- TOHOKU UNIVERSITY
- Tetsuya NAGASAKA
- 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
TREATMENT OF SULPHIDIC MATERIALS
- Publication number 20140322108
- Publication date Oct 30, 2014
- Patrick Bowen
- 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 OF ORE PROCESSING
- Publication number 20140023572
- Publication date Jan 23, 2014
- The University of Queensland
- James Vaughan
- 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
SELECTIVE LEACH RECOVERY OF ZINC FROM A COMPOSITE SULPHIDE ORE DEPO...
- Publication number 20130216456
- Publication date Aug 22, 2013
- YAVA TECHNOLOGIES INC.
- Madhav Dahal
- 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 AMMONIACAL LEACHING
- Publication number 20100180728
- Publication date Jul 22, 2010
- METALEACH LIMITED
- Nicholas J. Welham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for increasing metal production in smelter operations
- Publication number 20080175771
- Publication date Jul 24, 2008
- GENERAL ELECTRIC COMPANY
- Gert-Jan Oude Egberink
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Arrangement and method for reducing build-up on a roasting furnace...
- Publication number 20040086820
- Publication date May 6, 2004
- Jens Nyberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Beneficiation process for concentration/calcination of zinc silicat...
- Publication number 20040081603
- Publication date Apr 29, 2004
- Julio Cesar Bittencourt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for reducing build-up on a roasting furnace grate
- Publication number 20040060393
- Publication date Apr 1, 2004
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for the stabilization of a fluidized bed in a roasting furnace
- Publication number 20040050209
- Publication date Mar 18, 2004
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Roaster with stabilized fluidized bed for roasting zinc concentrate
- Publication number 20030122289
- Publication date Jul 3, 2003
- Chang-Young Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for regulating a roasting furnace
- Publication number 20030010268
- Publication date Jan 16, 2003
- Heikki Siirila
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Preliminary treatment of ores Preliminary refining of zinc oxide

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for recovering non-ferrous metals from industrial mineral r...

Rotation-suspension smelting method, a burner and a metallurgical e...

Process for recovering value metals from ore

Zinc production method

Method for producing metal zinc

Method for producing a high-purity nanometer zinc oxide from low-gr...

Hydrometallurgical method for recovery of zinc in sulphuric medium...

Method of ore processing

Treatment of sulphidic materials

Selective leach recovery of zinc from a composite sulphide ore depo...

Method for leaching zinc from a zinc ore

Method for ammoniacal leaching

Method for increasing metal production in smelter operations

Concentration/calcination process of zinc silicated minerals and co...

Method for reducing build-up on a roasting furnace grate

Method for the stabilization of a fluidized bed in a roasting furnace

Sulfatization process for metal extraction from sulfide ores

Arrangement and method for reducing build-up on a roasting furnace...

Roaster with stabilized fluidized bed for roasting zinc concentrate

Method for regulating a roasting furnace

Non-ferrous metal recovery method utilizing a melt sulphation reaction

Process for recovery of zinc from sphalerite containing ores or con...

Process for the extraction of zinc from sulphide concentrates

Fluidized bed roasting process

Oxygen smelting of copper or nickel sulfides

Dry process for refining zinc sulfide concentrates

Process of recovering non-ferrous metal values, especially nickel,...

Recovery of zinc values from zinc and iron-bearing sulfide materials

Recovery of zinc from zinc bearing sulphidic ores and concentrates...

Process for leaching zinc from partially desulfurized zinc concentr...

Patents Applicationslast 30 patents

Geothermally Powered Pyrometallurgical Zinc Production

Zinc Production Powered by Geothermal Energy

METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY

PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES

PROCESS FOR RECOVERING NON-FERROUS METALS FROM INDUSTRIAL MINERAL R...

METHOD FOR PROCESSING STEELMAKING DUST, METHOD FOR PRODUCING ZINC,...

PROCESS FOR RECOVERING VALUE METALS FROM ORE

METHOD FOR RECOVERING ZINC FROM ELECTRIC FURNACE STEELMAKING DUST A...

ZINC PRODUCTION METHOD

TREATMENT OF SULPHIDIC MATERIALS

HYDROMETALLURGICAL METHOD FOR RECOVERY OF ZINC IN SULPHURIC MEDIUM...

METHOD OF ORE PROCESSING

METHOD FOR PRODUCING METAL ZINC

SELECTIVE LEACH RECOVERY OF ZINC FROM A COMPOSITE SULPHIDE ORE DEPO...

METHOD FOR LEACHING ZINC FROM A ZINC ORE

METHOD FOR AMMONIACAL LEACHING

Method for increasing metal production in smelter operations

Arrangement and method for reducing build-up on a roasting furnace...

Beneficiation process for concentration/calcination of zinc silicat...

Method for reducing build-up on a roasting furnace grate

Method for the stabilization of a fluidized bed in a roasting furnace

Roaster with stabilized fluidized bed for roasting zinc concentrate

Method for regulating a roasting furnace