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C22B34/32
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CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B34/00
Obtaining refractory metals
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C22B34/32
Obtaining chromium
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Patents Grants
last 30 patents
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Patent Grant
Method for co-extraction of vanadium, titanium and chromium from va...
Patent number
12,157,931
Issue date
Dec 3, 2024
University of Science and Technology Beijing
Baijun Yan
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
Systems and methods for generating hydrogen and magnetite from rock
Patent number
12,006,212
Issue date
Jun 11, 2024
OHIO STATE INNOVATION FOUNDATION
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for detoxifying chromium slag by using high sulfur coal
Patent number
11,478,672
Issue date
Oct 25, 2022
KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Ping Ning
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processes for producing low nitrogen metallic chromium and chromium...
Patent number
11,230,751
Issue date
Jan 25, 2022
Companhia Brasileira de Metalurgia e Mineracão
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processes for producing low nitrogen essentially nitride-free chrom...
Patent number
11,124,861
Issue date
Sep 21, 2021
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Processes for producing low nitrogen essentially nitride-free chrom...
Patent number
11,091,822
Issue date
Aug 17, 2021
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of preparation and application of ion-keeper adsorbent
Patent number
11,071,967
Issue date
Jul 27, 2021
Dalian University of Technology
Wei Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Processes for producing low nitrogen essentially nitride-free chrom...
Patent number
11,060,168
Issue date
Jul 13, 2021
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for recycling chromium from waste water containing hexavale...
Patent number
10,577,676
Issue date
Mar 3, 2020
HUNAN YONKER ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD
Qianfeng He
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of direct reduction of chromite with cryolite additive
Patent number
10,358,693
Issue date
Jul 23, 2019
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
Samira Sokhanvaran
C21 - METALLURGY OF IRON
Information
Patent Grant
Recovering chrome from a tannery process
Patent number
10,202,661
Issue date
Feb 12, 2019
Tyson Foods, Inc.
Dale F. Graham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Processes for producing low nitrogen metallic chromium and chromium...
Patent number
10,041,146
Issue date
Aug 7, 2018
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Scandium recovery method
Patent number
9,963,762
Issue date
May 8, 2018
Sumitomo Metal Mining Co., Ltd.
Tatsuya Higaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for high temperature production of metals
Patent number
9,885,096
Issue date
Feb 6, 2018
John Joseph Barsa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processes for producing low nitrogen essentially nitride-free chrom...
Patent number
9,771,634
Issue date
Sep 26, 2017
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods and systems for producing ferro-chrome in a duplex furnace
Patent number
9,695,492
Issue date
Jul 4, 2017
Midrex Technologies, Inc.
Vincent Chevrier
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods and systems for reducing chromium containing raw material
Patent number
9,534,275
Issue date
Jan 3, 2017
Midrex Technologies, Inc.
Vincent F. Chevrier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrothermal oxidation method for production of alkali metal dichro...
Patent number
9,157,133
Issue date
Oct 13, 2015
TIANJIN PASSION SCIENCE AND TECHNOLOGY CO., LTD.
Zhu Ji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for high temperature production of metals
Patent number
9,039,805
Issue date
May 26, 2015
John Joseph Barsa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for the preparation and purification of electrolytes for re...
Patent number
8,852,777
Issue date
Oct 7, 2014
Deeya Energy, Inc.
Majid Keshavarz
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and plant for converting hazardous waste containing chromiu...
Patent number
8,471,089
Issue date
Jun 25, 2013
Cromotecnica Mexico
Francisco Garcia Fernandez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for chlorinating resources containing recoverable metals
Patent number
8,470,271
Issue date
Jun 25, 2013
Salt Extraction Aktiebolag
Seshadri Seetharaman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for leaching metal from mining ore
Patent number
8,409,321
Issue date
Apr 2, 2013
Tekni-Plex, Inc.
William S. Mitchell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for reducing chromium containing raw material
Patent number
8,262,766
Issue date
Sep 11, 2012
Kobe Steel, Ltd.
Hiroshi Sugitatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and plant for converting hazardous waste containing chromiu...
Patent number
8,217,215
Issue date
Jul 10, 2012
Cromotecnica Mexico S.A. de C.V.
Francisco Garcia Fernandez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods of treatment of chromite ore processing residue
Patent number
8,192,705
Issue date
Jun 5, 2012
Redox Solutions, LLC
Steven A. Chisick
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering metals and metal compounds from mined ore an...
Patent number
8,177,882
Issue date
May 15, 2012
World Resources Company
Peter T. Halpin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and plant for converting hazardous waste containing chromiu...
Patent number
8,168,846
Issue date
May 1, 2012
Cromotecnica Mexico
Francisco Garcia Fernandez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of extracting hexavalent chromium
Patent number
8,157,982
Issue date
Apr 17, 2012
Hideo Yoshida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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 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
SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
Publication number
20240308843
Publication date
Sep 19, 2024
Ohio State Innovation Foundation
Thomas Darrah
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
METHOD FOR PRODUCING FERRONICKEL AND REMOVING CHROMIUM FROM NICKEL...
Publication number
20240035115
Publication date
Feb 1, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
Haijun Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
Publication number
20230271827
Publication date
Aug 31, 2023
Ohio State Innovation Foundation
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CIRCULAR CARBON PROCESS
Publication number
20230227316
Publication date
Jul 20, 2023
BASF SE
Andreas Bode
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
Publication number
20230102312
Publication date
Mar 30, 2023
Ohio State Innovation Foundation
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method For Co-Extraction Of Vanadium, Titanium And Chromium From Va...
Publication number
20220356543
Publication date
Nov 10, 2022
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Baijun YAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING CHROMIUM CONTAINED IN A BATH FOR PICKLING MET...
Publication number
20220316027
Publication date
Oct 6, 2022
APERAM
Ismael GUILLOTTE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD
Publication number
20210079488
Publication date
Mar 18, 2021
RED MUD ENTERPRISES LLC
Gary McNeish
C21 - METALLURGY OF IRON
Information
Patent Application
Method For Detoxifying Chromium Slag By Using High Sulfur Coal
Publication number
20200282252
Publication date
Sep 10, 2020
Kunming University of Science and Technology
Ping Ning
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
Treatment Method for Resource Recycling of Hexavalent Chromium-Cont...
Publication number
20190284661
Publication date
Sep 19, 2019
SOUTH CHINA UNIVERSITY OF TECHNOLOGY
Zhang Lin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DETOXIFICATION TREATMENT METHOD FOR EXTRACTING AND RECYCLING CHROMI...
Publication number
20190194777
Publication date
Jun 27, 2019
South China University of Technology
Zhang Lim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF DIRECT REDUCTION OF CHROMITE WITH CRYOLITE ADDITIVE
Publication number
20190119784
Publication date
Apr 25, 2019
Samira SOKHANVARAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES FOR PRODUCING LOW NITROGEN METALLIC CHROMIUM AND CHROMIUM...
Publication number
20190003013
Publication date
Jan 3, 2019
Companhia Brasileira de Metalurgia e Mineração
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A METHOD OF PREPARATION AND APPLICATION OF ION-KEEPER ADSORBENT
Publication number
20180339285
Publication date
Nov 29, 2018
DALIAN UNIVERSITY OF TECHNOLOGY
Wei MA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR REDUCING HEXAVALENT CHROMIUM IN OXIDIC SOLIDS
Publication number
20180282176
Publication date
Oct 4, 2018
LANXESS Deutschland GmbH
Rainer ORTMANN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR RECYCLING CHROMIUM FROM WASTE WATER CONTAINING HEXAVALE...
Publication number
20170268080
Publication date
Sep 21, 2017
Hunan Yonker Environmental Protection Research Institute Co., LTD
Qianfeng He
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES FOR PRODUCING LOW NITROGEN METALLIC CHROMIUM AND CHROMIUM...
Publication number
20170191145
Publication date
Jul 6, 2017
CBMM - Companhia Brasileira de Metalurgia e Mineracao
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERING CHROME FROM A TANNERY PROCESS
Publication number
20170158530
Publication date
Jun 8, 2017
TYSON FOODS, INC.
Dale F. Graham
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SCANDIUM RECOVERY METHOD
Publication number
20160340757
Publication date
Nov 24, 2016
Sumitomo Metal Mining Co., Ltd.
Tatsuya Higaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Treatment of titanium ores
Publication number
20160258074
Publication date
Sep 8, 2016
Derek J. Fray
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
PROCESSES FOR PRODUCING LOW NITROGEN METALLIC CHROMIUM AND CHROMIUM...
Publication number
20160122848
Publication date
May 5, 2016
CBMM - Companhia Brasileira de Metalurgia e Mineracao
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCTION OF HIGH-GRADE SYNTHETIC RUTILE FROM LOW-GRADE TITANIUM-B...
Publication number
20150252448
Publication date
Sep 10, 2015
Fouad F. KAMALEDDINE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COATING FOR METAL CELLULAR STRUCTURE AND METHOD THEREFOR
Publication number
20150111022
Publication date
Apr 23, 2015
Michael J. Birnkrant
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONT...
Publication number
20150075065
Publication date
Mar 19, 2015
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Tooru Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method and Apparatus For High Temperature Production of Metals
Publication number
20150040728
Publication date
Feb 12, 2015
John Joseph Barsa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS AND SYSTEMS FOR PRODUCING FERRO-CHROME IN A DUPLEX FURNACE
Publication number
20140352494
Publication date
Dec 4, 2014
MIDREX TECHNOLOGIES, INC.
Vincent CHEVRIER
C21 - METALLURGY OF IRON
Information
Patent Application
HYDROTHERMAL OXIDATION METHOD FOR PRODUCTION OF ALKALI METAL DICHRO...
Publication number
20140341791
Publication date
Nov 20, 2014
TIANJIN PASSION SCIENCE AND TECHNOLOGY CO., LTD.
Zhu Ji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...