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CPC
C22B11/08
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B11/00
Obtaining noble metals
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C22B11/08
by cyaniding
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Patents Grants
last 30 patents
Information
Patent Grant
Process for leaching a mineral particulate material
Patent number
11,572,605
Issue date
Feb 7, 2023
Glencore Technology Pty Limited
Paul Benjamin Voigt
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for extracting base and precious metals by a pre-treatment t...
Patent number
11,492,681
Issue date
Nov 8, 2022
Eduardo Luis Patino Martinez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal recovery method using adsorbent
Patent number
11,473,169
Issue date
Oct 18, 2022
DANAM-ENE CO. LTD.
Young Min Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Molecularly imprinted polymer beads for extraction of metals and us...
Patent number
11,458,453
Issue date
Oct 4, 2022
6th Wave Innovations Corp.
Jonathan P. Gluckman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of separating mercury from an ore leachate
Patent number
11,359,261
Issue date
Jun 14, 2022
Ecolab USA Inc.
Jan Botha
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluid treatment apparatus and process
Patent number
11,285,447
Issue date
Mar 29, 2022
Ashok Adrian Singh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Low acidity, low solids pressure oxidative leaching of sulphidic feeds
Patent number
11,118,244
Issue date
Sep 14, 2021
Sherritt International Corporation
Jan Tjeerd Smit
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Measurement apparatus for measuring a volume of a desired solid com...
Patent number
11,118,243
Issue date
Sep 14, 2021
Curtin University
Teresa Diane Hayward McGrath
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering precious metals from clay-containing ores
Patent number
11,111,559
Issue date
Sep 7, 2021
Ethox Chemicals, LLC
Charles F. Palmer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Multilayer films and related uses thereof
Patent number
10,927,431
Issue date
Feb 23, 2021
Dow Global Technologies LLC
Maximiliano Zanetti
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Molecularly imprinted polymer beads for extraction of metals and us...
Patent number
10,814,306
Issue date
Oct 27, 2020
6th Wave Innovations Corp.
Jonathan P. Gluckman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mixing apparatus and its use
Patent number
10,744,471
Issue date
Aug 18, 2020
Outotec (Finland) Oy
Marko Latva-Kokko
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of recovering base metals from low grade ores and residues
Patent number
10,724,117
Issue date
Jul 28, 2020
SIRCH GROUP (PTY) LTD.
Nicholas Conradie
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of separating mercury from an ore leachate
Patent number
10,662,505
Issue date
May 26, 2020
Ecolab USA Inc.
Jan Botha
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering precious metals from clay-containing ores
Patent number
10,604,821
Issue date
Mar 31, 2020
Ethox Chemicals, LLC
Charles F. Palmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fluid treatment apparatus and process
Patent number
10,441,926
Issue date
Oct 15, 2019
Ashok Adrian Singh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering gold from activated carbon
Patent number
10,392,679
Issue date
Aug 27, 2019
JX Nippon Mining & Metals Corporation
Kazuhiro Hatano
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Leach aid for metal recovery
Patent number
10,344,353
Issue date
Jul 9, 2019
Ecolab USA Inc.
Vladimir Mujicic
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and plant for producing iron from roasted pyrites
Patent number
10,125,403
Issue date
Nov 13, 2018
Blücher GmbH
Bertram Bohringer
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Gold recovery from carbon
Patent number
10,047,412
Issue date
Aug 14, 2018
Mintek
Volha Yahorava
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metallurgical extraction technique to recover platinum group metals...
Patent number
10,017,837
Issue date
Jul 10, 2018
Chevron U.S.A. Inc.
Rahul Shankar Bhaduri
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering gold from refractory ore
Patent number
9,920,395
Issue date
Mar 20, 2018
Ecolab USA Inc.
Ronald V. Davis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering cyanide from a barren solution
Patent number
9,890,052
Issue date
Feb 13, 2018
Veolia Water Solutions & Technologies Support
Kashi Banerjee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Use of cationic surfactants in the cyanidation of refractory carbon...
Patent number
9,803,260
Issue date
Oct 31, 2017
Akzo Nobel Chemicals International B.V.
Qiong Zhou
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rotary interstage screen apparatus
Patent number
9,694,390
Issue date
Jul 4, 2017
Sizetec, Inc.
Masataka Tsutsumi
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Pre-treatment for conventional cyanidation for silver recovering fr...
Patent number
9,410,224
Issue date
Aug 9, 2016
Centro de Investigacion en Materiales Avanzados, S.C.
Pedro Castillo Castillo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cyanide-leaching process
Patent number
9,404,168
Issue date
Aug 2, 2016
COREM
Benoit Levasseur
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Improving the recovery of precious metals from recalcitrant refract...
Patent number
8,673,055
Issue date
Mar 18, 2014
Bomi P Framroze
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Extraction process for metals like gold and platinum including fine...
Patent number
8,613,791
Issue date
Dec 24, 2013
Maelgwyn Mineral Services Africa (Proprietary) Limited
Adrian Singh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for aqueous gold thiosulfate extraction using copper-cyanide...
Patent number
8,500,847
Issue date
Aug 6, 2013
Courtney Young
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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
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
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
METHODS FOR RECOVERING A PRECIOUS METAL FROM REFRACTORY ORES BY NEA...
Publication number
20230167525
Publication date
Jun 1, 2023
COREM
Gnouyaro Palla ASSIMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITIONS AND METHODS FOR IMPROVED PRECIOUS METAL EXTRACTION FRO...
Publication number
20230110976
Publication date
Apr 13, 2023
SOLUGEN, INC.
Jun Su An
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSING GOLD-CONTAINING ORES
Publication number
20220349024
Publication date
Nov 3, 2022
Newcrest Mining Limited
John O'CALLAGHAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
USING SYNTHETIC LIXIVIANT BIOLOGY FOR THE RECOVERY OF PRECIOUS AND...
Publication number
20220205062
Publication date
Jun 30, 2022
National University of Singapore
Wen Shan YEW
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM...
Publication number
20220119913
Publication date
Apr 21, 2022
Freeport Minerals Corporation
Christine Rae Green
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for Extracting Gold and/or Silver and/or at Least One Platin...
Publication number
20220074021
Publication date
Mar 10, 2022
ROBERT BOSCH GmbH
Juergen Hackenberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MOLECULARLY IMPRINTED POLYMER BEADS FOR EXTRACTION OF METALS AND US...
Publication number
20210252477
Publication date
Aug 19, 2021
6th Wave Innovations Corp.
Jonathan P. Gluckman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF SEPARATING MERCURY FROM AN ORE LEACHATE
Publication number
20200283871
Publication date
Sep 10, 2020
ECOLAB USA INC.
Jan Botha
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR EXTRACTING BASE AND PRECIOUS METALS BY A PRE- TREATMEN...
Publication number
20200224291
Publication date
Jul 16, 2020
Eduardo Luis Patino Martinez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LEACHING PROCESS
Publication number
20200190624
Publication date
Jun 18, 2020
Glencore Technology Pty Limited
Paul Benjamin VOIGT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for Recovering Precious Metals from Clay-Containing Ores
Publication number
20200002783
Publication date
Jan 2, 2020
Ethox Chemicals, LLC
Charles F. Palmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FLUID TREATMENT APPARATUS AND PROCESS
Publication number
20190388850
Publication date
Dec 26, 2019
Ashok Adrian Singh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Measurement Apparatus for Measuring a Volume of a Desired Solid Com...
Publication number
20180223389
Publication date
Aug 9, 2018
Teresa Diane Hayward MCGRATH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for Recovering Precious Metals from Clay-Containing Ores
Publication number
20180187286
Publication date
Jul 5, 2018
Ethox Chemicals, LLC.
Charles F. Palmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MULTILAYER FILMS AND RELATED USES THEREOF
Publication number
20180002780
Publication date
Jan 4, 2018
Maximiliano ZANETTI
B32 - LAYERED PRODUCTS
Information
Patent Application
METHOD FOR RECOVERING GOLD FROM ACTIVATED CARBON
Publication number
20170356066
Publication date
Dec 14, 2017
JX NIPPON MINING & METALS CORPORATION
Kazuhiro HATANO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MIXING APPARATUS AND ITS USE
Publication number
20170291156
Publication date
Oct 12, 2017
OUTOTEC (FINLAND) OY
Marko LATVA-KOKKO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A METHOD OF RECOVERING BASE METALS FROM LOW GRADE ORES AND RESIDUES
Publication number
20170152583
Publication date
Jun 1, 2017
SIRCH GROUP (PTY) LTD.
Nicholas CONRADIE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MERCURY REMOVAL
Publication number
20170137914
Publication date
May 18, 2017
Johnson Matthey Public Limited Company
James George STEVENS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING CYANIDE FROM A BARREN SOLUTION
Publication number
20170081202
Publication date
Mar 23, 2017
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Kashi Banerjee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FLUID TREATMENT APPARATUS AND PROCESS
Publication number
20160271573
Publication date
Sep 22, 2016
Ashok Adrian Singh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
GOLD RECOVERY FROM CARBON
Publication number
20160208361
Publication date
Jul 21, 2016
MINTEK
Volha YAHORAVA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METALLURGICAL EXTRACTION TECHNIQUE TO RECOVER PLATINUM GROUP METALS...
Publication number
20160115567
Publication date
Apr 28, 2016
Chevron U.S.A. Inc.
Rahul Shankar Bhaduri
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING GOLD FROM REFRACTORY ORE
Publication number
20160083816
Publication date
Mar 24, 2016
ECOLAB USA INC.
Ronald V. Davis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS FOR TREATING CARBON MATERIALS INCLUDING CARBONACEOUS ORES
Publication number
20160032420
Publication date
Feb 4, 2016
Richard Neylon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Use of Cationic Surfactants In the Cyanidation of Refractory Carbon...
Publication number
20160024613
Publication date
Jan 28, 2016
Akzo Nobel Chemicals International B.V.
Qiong Zhou
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CYANIDE-LEACHING PROCESS
Publication number
20150125365
Publication date
May 7, 2015
COREM
Benoit LEVASSEUR
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...