ClassID:

119500

C22B34/345 - CPC Classification

Classification description:

Obtaining refractory metals; Obtaining chromium, molybdenum or tungsten; Obtaining molybdenum from spent catalysts

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

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS

#2
20240175105
2024-05-30

LEACHING AGENT COMPOSITION AND METHOD OF REMOVING METAL FROM CATALYST MATERIAL

#3
20230411723
2023-12-21

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

#4
20230160037
2023-05-25

METALS RECOVERY FROM SPENT CATALYST

#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
20170050183
2017-02-23

Methods for reprocessing used catalysts

#8
20160138131
2016-05-19

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

#9
20150275331
2015-10-01

Recovery of Molybdenum from Spent Petrochemical Catalysts

#10
20140348729
2014-11-27

Process for separating and recovering metals

#11
20140286839
2014-09-25

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

#12
20130150232
2013-06-13

Slurry catalyst and slurry flakes valorization

#13
20130108526
2013-05-02

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

#14
20130078167
2013-03-28

Method of metals recovery from refinery residues

#15
20130064742
2013-03-14

PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS

#16
20120111150
2012-05-10

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

#17
20120039777
2012-02-16

Process for separating and recovering metals

#18
20110176978
2011-07-21

Metal recovery from hydroconverted heavy effluent

#19
20110129397
2011-06-02

METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CATALYST

#20
20110077148
2011-03-31

Process for producing complex oxide catalyst

#21
20110028312
2011-02-03

METHOD FOR RECOVERING MOLYBDENUM AND COBALT

#22
20100300250
2010-12-02

Process for recovering metals from coal liquefaction residue containing spent catalysts

#23
20100199807
2010-08-12

Recovering metals from complex metal sulfides

#24
20100126309
2010-05-27

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

#25
20100115988
2010-05-13

Treatment of Molybdate Containing Waste Streams

#26
20100111787
2010-05-06

METHOD OF RECOVERING VALUABLE METALS FROM THE VRDS SPENT CATALYST

#27
20100098606
2010-04-22

Process for the extraction of specific transition metals

#28
20100047141
2010-02-25

Method and apparatus for the recovery of molybdenum from spent catalysts

#29
20090163352
2009-06-25

Conversion of fine catalyst into coke-like material

#30
20090159491
2009-06-25

Conversion of fine catalyst into coke-like material

#31
20090136400
2009-05-28

Process for separating and recovering base metals from used hydroprocessing catalyst

#32
20090136399
2009-05-28

Process for recovering base metals from spent hydroprocessing catalyst

#33
20090133536
2009-05-28

Process for separating and recovering base metals from used hydroprocessing catalyst

#34
20090126531
2009-05-21

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

#35
20090110620
2009-04-30

Process for metals recovery from spent catalyst

#36
20090047198
2009-02-19

Process for the extraction of specific transition metals with gaseous HCL

#37
20090028765
2009-01-29

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

#38
20080139379
2008-06-12

Decomposition of waste products formed in slurry catalyst synthesis

#39
20080131343
2008-06-05

Process for recovering group VIB metals from a catalyst

#40
20070167321
2007-07-19

Method for recovering molybdenum and method for preparing catalyst

#41
20070025899
2007-02-01

Process for metals recovery from spent catalyst

#42
17835852
2023-06-20

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