ClassID:

119494

C22B34/225 - CPC Classification

Classification description:

Obtaining refractory metals; Obtaining niobium, tantalum or vanadium; Obtaining vanadium from spent catalysts

Recent Application in this class:
#1
20240368733
2024-11-07

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS

#2
20230411723
2023-12-21

PROCESSES FOR RECYCLING SPENT CATALYSTS, RECYCLING RECHARGEABLE BATTERIES, AND INTEGRATED PROCESSES THEREOF

#3
20230160037
2023-05-25

METALS RECOVERY FROM SPENT CATALYST

#4
20230138828
2023-05-04

Selective recovery method of vanadium and cesium from waste sulfuric acid vanadium catalyst, and high-quality vanadium aqueous solution and cesium alum produced thereby

#5
20220259696
2022-08-18

METALS RECOVERY FROM SPENT CATALYST

#6
20210388462
2021-12-16

PROCESS FOR THE SELECTIVE RECOVERY OF TRANSITION METALS FROM ORGANIC RESIDUES

#7
20190070598
2019-03-07

Method for the purification of alumina

#8
20180223391
2018-08-09

Method for recovering target materials from source materials

#9
20180163283
2018-06-14

Tungsten and vanadium separation

#10
20170073795
2017-03-16

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

#11
20160376682
2016-12-29

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

#12
20160138131
2016-05-19

Method of separating and recovering valuable metal from remanufacturing solution of spent desulfurization catalyst containing vanadium

#13
20150203938
2015-07-23

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

#14
20150139873
2015-05-21

METHOD FOR THE EXTRACTION OF VANADIUMPENTOXIDE, V2O5, FROM A SOURCE CONTAINING VANADIUM

#15
20140348729
2014-11-27

Process for separating and recovering metals

#16
20140286839
2014-09-25

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

#17
20140248199
2014-09-04

Recovery of vanadium from petroleum coke slurry containing solubilized base metals

#18
20130283975
2013-10-31

Method of separating and recovering metal elements

#19
20130150232
2013-06-13

Slurry catalyst and slurry flakes valorization

#20
20130091989
2013-04-18

Method for recovering rare earth compounds, vanadium and nickel

#21
20130078167
2013-03-28

Method of metals recovery from refinery residues

#22
20120279358
2012-11-08

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

#23
20120111150
2012-05-10

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

#24
20120039777
2012-02-16

Process for separating and recovering metals

#25
20110262323
2011-10-27

Hydromethanation of a carbonaceous feedstock with vanadium recovery

#26
20110176978
2011-07-21

Metal recovery from hydroconverted heavy effluent

#27
20110129397
2011-06-02

METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CATALYST

#28
20100300250
2010-12-02

Process for recovering metals from coal liquefaction residue containing spent catalysts

#29
20100199807
2010-08-12

Recovering metals from complex metal sulfides

#30
20100111787
2010-05-06

METHOD OF RECOVERING VALUABLE METALS FROM THE VRDS SPENT CATALYST

#31
20090283447
2009-11-19

Electro-gasification process using pre-treated pet-coke

#32
20090163352
2009-06-25

Conversion of fine catalyst into coke-like material

#33
20090159491
2009-06-25

Conversion of fine catalyst into coke-like material

#34
20090136399
2009-05-28

Process for recovering base metals from spent hydroprocessing catalyst

#35
20090126531
2009-05-21

Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same

#36
20090110620
2009-04-30

Process for metals recovery from spent catalyst

#37
20090028765
2009-01-29

PROCESS TO PRODUCE MOLYBDENUM COMPOUNDS, FROM SPENT MOLYBDENUM CATALYZERS, INDUSTRIAL RESIDUES AND METAL ALLOYS

#38
20070025899
2007-02-01

Process for metals recovery from spent catalyst

#39
20060258531
2006-11-16

Method for manufacturing hydrorefining catalyst, and metal recovery method

#40
20050255018
2005-11-17

Process to separate the vanadium contained in inorganic acid solutions

#41
20050249652
2005-11-10

Process to recover vanadium contained in acid solutions

#42
17835852
2023-06-20

Processes for recycling spent catalysts, recycling rechargeable batteries, and integrated processes thereof