ClassID:

119383

C22B15/0093 - CPC Classification

Classification description:

Obtaining copper; Hydrometallurgy; Treating solutions by chemical methods by gases, e.g. hydrogen or hydrogen sulfide

Recent Application in this class:
#1
20260055482
2026-02-26

REAL-TIME MONITORING SYSTEM AND METHOD FOR COPPER-ARSENIC SULFIDATION SEPARATION IN COPPER ELECTROLYTE PURIFICATION PROCESS

#2
20210126300
2021-04-29

Alloy powder and method for producing same

#3
20180298505
2018-10-18

Systems and methods for improved metal recovery using ammonia leaching

#4
20160068977
2016-03-10

Systems and methods for improved metal recovery using ammonia leaching

#5
20140048987
2014-02-20

Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process

#6
20110123418
2011-05-26

Process for forming high density sulfides

#7
20100135878
2010-06-03

Production process of sulfide containing nickel and cobalt

#8
20100089764
2010-04-15

Method for production of metallic cobalt from the nickel solvent extraction raffinate

#9
20100034716
2010-02-11

Separation method for zinc sulfide

#10
20100028227
2010-02-04

Hydrometallurgical process for nickel oxide ore

#11
20090241736
2009-10-01

Method for recovering metal from ore

#12
20090241732
2009-10-01

Method of obtaining copper from ore

#13
20090068076
2009-03-12

Nickel sulphide precipitation process

#14
20090013829
2009-01-15

Process for the recovery of value metals from base metal sulfide ores

#15
20080081009
2008-04-03

Method for recovering indium from indium-containing material

#16
20070125198
2007-06-07

Process for engineered ion exchange recovery of copper and nickel

#17
20070098609
2007-05-03

Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates

#18
20070022843
2007-02-01

Recovery of platinum group metals

#19
20060228279
2006-10-12

Recovery of nickel, cobalt, iron, silica, zinc and copper from laterite ore by sulfuric acid leaching

#20
20060196313
2006-09-07

METHOD FOR RECOVERING COPPER FROM COPPER-CONTAINING MATERIALS USING DIRECT ELECTROWINNING

#21
20060169104
2006-08-03

Recovering nickel

#22
20050265910
2005-12-01

Hydrometallurgical process of nickel oxide ore

#23
20050118081
2005-06-02

Process for the recovery of value metals from base metal sulfide ores