ClassID:

119291

C22B7/009 - CPC Classification

Classification description:

Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals General processes for recovering metals or metallic compounds from spent catalysts

Recent Application in this class:
#1
20250226473
2025-07-10

METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES

#2
20250183328
2025-06-05

METHOD FOR COMMINUTING SPENT, CATALYST-COATED POLYMER ELECTROLYTE MEMBRANES

#3
20240194962
2024-06-13

SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT OF A LEACHING MIXTURE WHEN RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES

#4
20240175105
2024-05-30

LEACHING AGENT COMPOSITION AND METHOD OF REMOVING METAL FROM CATALYST MATERIAL

#5
20240021905
2024-01-18

Methods for purifying and recycling lead from spent lead-acid batteries

#6
20230257280
2023-08-17

METALS RECOVERY FROM SPENT SUPPORTED CATALYST

#7
20230212712
2023-07-06

METHOD FOR RECOVERING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING WASTE CATALYST

#8
20230132701
2023-05-04

METHOD FOR RECOVERING METALS CONTAINED IN SPENT CATALYSTS FROM FERRO-ALLOYS

#9
20220259696
2022-08-18

METALS RECOVERY FROM SPENT CATALYST

#10
20220177999
2022-06-09

PGM converting process and jacketed rotary converter

#11
20210388462
2021-12-16

PROCESS FOR THE SELECTIVE RECOVERY OF TRANSITION METALS FROM ORGANIC RESIDUES

#12
20210280923
2021-09-09

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#13
20210130928
2021-05-06

Method for selective recovery of valuable metal from waste denitrification catalyst through alkali fusion

#14
20200411921
2020-12-31

Methods for purifying and recycling lead from spent lead-acid batteries

#15
20200235443
2020-07-23

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#16
20190338393
2019-11-07

Converting process with slag separation and recycle

#17
20190338392
2019-11-07

Integrated PGM converting process

#18
20190338391
2019-11-07

PGM converting process with staged slagging

#19
20190338380
2019-11-07

Jacketed rotary converter and PGM converting process

#20
20190161824
2019-05-30

Extraction of selected platinum-group metals from supported catalyst

#21
20190070598
2019-03-07

Method for the purification of alumina

#22
20190024210
2019-01-24

Process and system for recycling E-waste material

#23
20180339286
2018-11-29

POLYMER-SUPPORTED CHELATING AGENT

#24
20180244594
2018-08-30

Process for recovering a metallic component

#25
20170338531
2017-11-23

Systems and methods for purifying and recycling lead from spent lead-acid batteries

#26
20170338530
2017-11-23

Methods for purifying and recycling lead from spent lead-acid batteries

#27
20170253947
2017-09-07

Method of selective extraction of platinoids, from a support containing same, with an extraction medium consisting of a supercritical fluid and an organic ligand

#28
20170137916
2017-05-18

Method for purification of 225AC from irradiated 226RA-targets

#29
20170117597
2017-04-27

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#30
20170073795
2017-03-16

Method for leaching precious metals contained in waste denitrification catalyst using pressure leaching process

#31
20170058381
2017-03-02

Method for separation of chemically pure Os from metal mixtures

#32
20170050183
2017-02-23

Methods for reprocessing used catalysts

#33
20160376682
2016-12-29

Method for recovering vanadium and tungsten from leach solution of waste denitrification catalyst

#34
20160346816
2016-12-01

Safe unloading and disposal of ionic liquid catalyst contaminated spent solids

#35
20160289792
2016-10-06

COMPOSITION OF A FILTER CAKE FOR PRECIOUS METALS RECOVERY

#36
20160265084
2016-09-15

Method for removing cobalt deposits in a high-pressure olefin hydroformylation reactor

#37
20160243463
2016-08-25

System and method for removing transition metals from solution

#38
20160115567
2016-04-28

Metallurgical extraction technique to recover platinum group metals from a filter cake

#39
20160115566
2016-04-28

Process for preparing a spent catalyst for precious metals recovery

#40
20150360151
2015-12-17

Process for removing catalyst fines from a liquid stream from a fixed bed reactor

#41
20150218671
2015-08-06

METHOD FOR RECOVERING PRECIOUS METAL FROM METAL CARRIER CATALYST

#42
20150203938
2015-07-23

Method for leaching valuable metals contained in waste denitrification catalyst by using roasting and water leaching

#43
20150105480
2015-04-16

Method for recycling noble metals from Fischer-Tropsch products

#44
20150087837
2015-03-26

Rhenium recovery from used reductive amination catalysts

#45
20140348729
2014-11-27

Process for separating and recovering metals

#46
20140286839
2014-09-25

Process for the selective removal of molybdenum from a solution containing it

#47
20130283978
2013-10-31

Composition for collecting metal component

#48
20130108526
2013-05-02

METHOD FOR MATERIALS RECOVERY FROM CATALYSTS COMPRISING IRON, CERIUM, MOLYBDENUM, AND POTASSIUM

#49
20130079551
2013-03-28

Recovery of aromatic carboxylic acids and oxidation catalyst

#50
20130078167
2013-03-28

Method of metals recovery from refinery residues

#51
20120279358
2012-11-08

Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues

#52
20120279355
2012-11-08

Method for recycling metals from waste tungsten catalysts

#53
20120279354
2012-11-08

Method for recycling metals from waste molybdic catalysts

#54
20120111150
2012-05-10

Method or process for recovering Mo, V, Ni, Co and Al from spent catalysts using ultrasonic assisted leaching with EDTA

#55
20120051988
2012-03-01

Process for recovering boehmite and y-AI2O3 from spent hydroprocessing catalysts

#56
20120046159
2012-02-23

METHOD FOR RECOVERY OF COBALT AND MANGANESE FROM SPENT COBALT-MANGANESE-BROMINE (CMB) CATALYST AND METHOD FOR PRODUCING CMB CATALYST INCLUDING THE RECOVERY METHOD

#57
20120039777
2012-02-16

Process for separating and recovering metals

#58
20110286898
2011-11-24

Process for recovering ruthenium from used ruthenium oxide-comprising catalysts

#59
20110192255
2011-08-11

COMPOSITION FOR COLLECTING METAL COMPONENT

#60
20110129397
2011-06-02

METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CATALYST

#61
20100300250
2010-12-02

Process for recovering metals from coal liquefaction residue containing spent catalysts

#62
20100206134
2010-08-19

Method for recovering metals from a spent catalyst composition

#63
20100199807
2010-08-12

Recovering metals from complex metal sulfides

#64
20100126309
2010-05-27

Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts

#65
20100111787
2010-05-06

METHOD OF RECOVERING VALUABLE METALS FROM THE VRDS SPENT CATALYST

#66
20090314135
2009-12-24

Cleaning of oil-contaminated solids

#67
20090301260
2009-12-10

Efficient process for previous metal recovery from cell membrane electrode assemblies

#68
20090277305
2009-11-12

Recovery of rhenium

#69
20090241736
2009-10-01

Method for recovering metal from ore

#70
20090226352
2009-09-10

METHOD FOR RECOVERING NOBLE METAL

#71
20090223325
2009-09-10

Metal recovery

#72
20090191122
2009-07-30

METHOD FOR PURIFICATION OF 225AC FROM IRRADIATED 226RA-TARGETS

#73
20090163352
2009-06-25

Conversion of fine catalyst into coke-like material

#74
20090163350
2009-06-25

Heavy oil upgrade process including recovery of spent catalyst

#75
20090159491
2009-06-25

Conversion of fine catalyst into coke-like material

#76
20090148361
2009-06-11

Processes and systems for recovering catalyst promoter from catalyst substrates

#77
20090136400
2009-05-28

Process for separating and recovering base metals from used hydroprocessing catalyst

#78
20090136399
2009-05-28

Process for recovering base metals from spent hydroprocessing catalyst

#79
20090133536
2009-05-28

Process for separating and recovering base metals from used hydroprocessing catalyst

#80
20090038441
2009-02-12

Catalyst reprocessing

#81
20080293836
2008-11-27

Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts

#82
20080282842
2008-11-20

Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters

#83
20080139379
2008-06-12

Decomposition of waste products formed in slurry catalyst synthesis

#84
20080135450
2008-06-12

Integrated unsupported slurry catalyst preconditioning process

#85
20080131343
2008-06-05

Process for recovering group VIB metals from a catalyst

#86
20080064771
2008-03-13

Process for recycling fuel cell components containing precious metals

#87
20080050623
2008-02-28

Method and system for recovering catalyst for fuel cell

#88
20070202025
2007-08-30

Method For Recovery Of Palladium

#89
20060258531
2006-11-16

Method for manufacturing hydrorefining catalyst, and metal recovery method

#90
20060084572
2006-04-20

Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer

#91
20060060508
2006-03-23

Mixed metal catalyst comprising a combustible binder, its process of preparation and use

#92
20060037438
2006-02-23

Process for extraction of metals from ores or industrial materials

#93
20050211630
2005-09-29

Recycling of used perfluorosulfonic acid membranes