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CPC
C22B11/00
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
Current Industry
C22B11/00
Obtaining noble metals
Sub Industries
C22B11/02
by dry processes
C22B11/021
Recovery of noble metals from waste materials
C22B11/023
from pyrometallurgical residues
C22B11/025
from manufactured products
C22B11/026
from spent catalysts
C22B11/028
using solid sorbents
C22B11/04
by wet processes
C22B11/042
Recovery of noble metals from waste materials
C22B11/044
from pyrometallurgical residues
C22B11/046
from manufactured products
C22B11/048
from spent catalysts
C22B11/06
chloridising
C22B11/08
by cyaniding
C22B11/10
by amalgamating
C22B11/12
Apparatus therefor
Industries
Overview
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for leaching platinum group metals from spent catalyst by UV...
Patent number
11,952,642
Issue date
Apr 9, 2024
Dalian University of Technology
Zhenping Qu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Silica aggregate, adsorbent, adsorption column, cleaning system, me...
Patent number
11,925,918
Issue date
Mar 12, 2024
Canon Kabushiki Kaisha
Kengo Kanazaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for platinum group metals recovery from spent catalysts
Patent number
11,898,220
Issue date
Feb 13, 2024
Yeda Research and Development Co. Ltd.
Igor Lubomirsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method, apparatus and system for processing a composite waste source
Patent number
11,884,992
Issue date
Jan 30, 2024
Newsouth Innovations Pty Limited
Veena Sahajwalla
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the recovery of platinum group metals from catalysts com...
Patent number
11,879,164
Issue date
Jan 23, 2024
Umicore
Dirk Crauwels
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering platinum group metals
Patent number
11,866,802
Issue date
Jan 9, 2024
Dowa Metals & Mining Co., Ltd.
Minoru Kawasaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering gold and gold recovery facility
Patent number
11,840,744
Issue date
Dec 12, 2023
Hymo Corporation
Ryuichi Ansai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering gold from ores
Patent number
11,827,952
Issue date
Nov 28, 2023
Bromine Compounds Ltd.
Ronen Naim
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Methods for simultaneous leaching and extraction of precious metals
Patent number
11,814,698
Issue date
Nov 14, 2023
EXCIR WORKS CORP.
Stephen Foley
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Recovery of precious metals from copper anode slime
Patent number
11,814,699
Issue date
Nov 14, 2023
AMIRKABIR UNIVERSITY OF TECHNOLOG
Malek Naderi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Concentration of precious metals and rare earth elements
Patent number
11,807,915
Issue date
Nov 7, 2023
Larry Lien
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Precious metals recovery
Patent number
11,788,170
Issue date
Oct 17, 2023
Stillwater Mining Company
Dave Shuck
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods of making silver nanoparticles and their applications
Patent number
11,771,628
Issue date
Oct 3, 2023
STELO TECHNOLOGIES
Jingwu Zhang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Adsorbent composition, method of making the same, and uses thereof
Patent number
11,759,767
Issue date
Sep 19, 2023
GOLDCORP INC.
Nuri Belgasem Ali Hmidi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cost-effective method for recovering precious metals in circuit boa...
Patent number
11,753,699
Issue date
Sep 12, 2023
Beijing University of Technology
Jiamei Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Light-driven synthesis of plasmonic nanoparticles and nanomaterials
Patent number
11,731,197
Issue date
Aug 22, 2023
University of Florida Research Foundation, Inc.
Wei David Wei
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for recovering metals from secondary materials and other mat...
Patent number
11,725,256
Issue date
Aug 15, 2023
Aurubis AG
Mehmet Ayhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Biological ore processing for the isolation of heavy metals
Patent number
11,718,892
Issue date
Aug 8, 2023
CvPlus GmbH
Stephen Gos
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for gold recovery and extraction from electronic waste or go...
Patent number
11,718,893
Issue date
Aug 8, 2023
Yeda Research and Development Co. Ltd.
Igor Lubomirsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recycling hydrogen fuel cell of new energy vehicle
Patent number
11,699,796
Issue date
Jul 11, 2023
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
Haijun Yu
H01 - BASIC ELECTRIC ELEMENTS
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
System and method for obtaining mineral rich powder from electronic...
Patent number
11,666,955
Issue date
Jun 6, 2023
Jabil Inc.
Zakk Stovall
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for whole component microwave fast digestion and precious me...
Patent number
11,661,639
Issue date
May 30, 2023
Beijing University of Technology
Yufeng Wu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Noble metal extraction method and apparatus
Patent number
11,649,524
Issue date
May 16, 2023
Phoenix Tailings Inc.
Thomas Anthony Villalon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and apparatus for roasting of metal sulfide concentrates an...
Patent number
11,649,523
Issue date
May 16, 2023
Metso Outotec Finland Oy
Jochen Güntner
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of precious and chalcophile metals
Patent number
11,643,705
Issue date
May 9, 2023
Mining and Process Solutions Pty Ltd
Elsayed Abdelrady Oraby
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for carbon-catalysed thiosulfate leaching of gold-bearing ma...
Patent number
11,639,540
Issue date
May 2, 2023
Barrick Gold Corporation
Oscar German Olvera Olmedo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering metal
Patent number
11,634,788
Issue date
Apr 25, 2023
MINT INNOVATION LIMITED
Will Barker
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering metal from electronic waste
Patent number
11,608,544
Issue date
Mar 21, 2023
MINT INNOVATION LIMITED
Oliver Crush
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal cementing apparatus and continuous cementation method by mean...
Patent number
11,603,577
Issue date
Mar 14, 2023
COBRE LAS CRUCES, S.A.U.
Carlos Frias Gomez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
APPLICATION OF CUPROUS SULFIDE IN RECOVERY OF AU (III) FROM AQUEOUS...
Publication number
20240132996
Publication date
Apr 25, 2024
Kunming University of Science and Technology
Yunlong Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MATERIALS AND METHODS FOR EXTRACTION OF PRECIOUS METALS USING GRAPH...
Publication number
20240124329
Publication date
Apr 18, 2024
G6 Materials Corp.
Daniel Stolyarov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR LEACHING PLATINUM GROUP METALS FROM SPENT CATALYST BY UV...
Publication number
20240084420
Publication date
Mar 14, 2024
DALIAN UNIVERSITY OF TECHNOLOGY
Zhenping QU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SELECTIVE EXTRACTION OF GOLD BY NIACIN
Publication number
20240018624
Publication date
Jan 18, 2024
INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)
Pradeep THALAPPIL
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DIRECT LEACHING FROM SULFIDIC REFRACTORY ORES OR CONCENTRATES
Publication number
20240002971
Publication date
Jan 4, 2024
Jaeheon LEE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR GOLD AND/OR PLATINUM GROUP METALS HEAP LEACHING WITH LIME
Publication number
20240002977
Publication date
Jan 4, 2024
S.A. Lhoist Recherche et Developpement
Chris Du Plessis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRECIOUS METALS RECOVERY
Publication number
20230416872
Publication date
Dec 28, 2023
STILLWATER MINING COMPANY
Dave Shuck
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Metal Recovery Agent, Metal Compound Recovery Agent, and Method for...
Publication number
20230416866
Publication date
Dec 28, 2023
Galdieria Co., Ltd.
Ayumi MINODA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230416873
Publication date
Dec 28, 2023
Lexmark International, Inc.
DINESH TYAGI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for Extracting and Recovering Gold from Aqueous Solution
Publication number
20230416871
Publication date
Dec 28, 2023
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Peng Li
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
GAS-ASSISTED MICROFLOW EXTRACTION (GAME) SYSTEM PATENT
Publication number
20230416867
Publication date
Dec 28, 2023
Virginia Tech Intellectual Properties, Inc.
Wencai Zhang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING NOBLE METAL FROM HETEROGENEOUS CATALYSTS CONT...
Publication number
20230407503
Publication date
Dec 21, 2023
Heraeus Deutschland GmbH & Co. KG
Dirk MAIER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR RECOVERING PRECIOUS METAL FROM AN AQUEOUS SOLUTION
Publication number
20230399719
Publication date
Dec 14, 2023
CLEAN MINING PTY LTD.
Xianwen DAI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PER...
Publication number
20230374623
Publication date
Nov 23, 2023
William Marsh Rice University
James M. Tour
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374626
Publication date
Nov 23, 2023
Lexmark International, Inc.
WEIMEI LUO
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374380
Publication date
Nov 23, 2023
Lexmark International, Inc.
DINESH TYAGI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374625
Publication date
Nov 23, 2023
Lexmark International, Inc.
WEIMEI LUO
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PER...
Publication number
20230357885
Publication date
Nov 9, 2023
William Marsh Rice University
James M. Tour
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LIGHT-DRIVEN SYNTHESIS OF PLASMONIC NANOPARTICLES AND NANOMATERIALS
Publication number
20230339023
Publication date
Oct 26, 2023
University of Florida Research Foundation, Inc.
Wei David Wei
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR CLEAN RECOVERY OF PALLADIUM
Publication number
20230340681
Publication date
Oct 26, 2023
INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
Hui ZHANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITION AND METHOD
Publication number
20230330749
Publication date
Oct 19, 2023
Metalchemy Limited
Federico TROTTA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CIRCULAR ELECTROCHEMICAL METAL RECOVERY
Publication number
20230332318
Publication date
Oct 19, 2023
Coby Tao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM FOR OXYGEN DIFFUSION IN TANKS FOR LEACHING AND DESTRUCTION O...
Publication number
20230323504
Publication date
Oct 12, 2023
CRYOINFRA S.A. DE C.V.
María de los Ángeles CASALES HERNANDEZ
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR EXTRACTION OF COINAGE METALS
Publication number
20230323505
Publication date
Oct 12, 2023
EXCIR WORKS CORP.
Loghman MORADI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD FOR CARBON-CATALYSED THIOSULFATE LEACHING OF GOLD-BEARING MA...
Publication number
20230313336
Publication date
Oct 5, 2023
BARRICK GOLD CORPORATION
Oscar German Olvera Olmedo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITION COMPRISING NON-IONIC SURFACTANT AND POLYETHER-MODIFIED...
Publication number
20230279519
Publication date
Sep 7, 2023
CHT Germany GmbH
Andrea Fischer-Sturm
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AN INTEGRATED HEAP LEACH PROCESS
Publication number
20230272506
Publication date
Aug 31, 2023
ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTD
Anthony Owen FILMER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERY OF PRECIOUS AND CHALCOPHILE METALS
Publication number
20230250510
Publication date
Aug 10, 2023
MINING AND PROCESS SOLUTIONS PTY LTD
Elsayed Abdelrady Oraby
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
THREE-DIMENSIONAL ALKYNYL-CONTAINING POROUS AROMATIC FRAMEWORK POLY...
Publication number
20230234027
Publication date
Jul 27, 2023
NANCHANG HANGKONG UNIVERSITY
Xubiao Luo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
HEAP LEACHING
Publication number
20230227935
Publication date
Jul 20, 2023
ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTD
Anthony Owen FILMER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...