ClassID:

119376

C22B15/0078 - CPC Classification

Classification description:

Obtaining copper; Hydrometallurgy; Leaching or slurrying with ammoniacal solutions, e.g. ammonium hydroxide

Recent Application in this class:
#1
20260043113
2026-02-12

EXTRACTION OF COPPER AND OTHER ELEMENTS FROM WASTE MATERIALS FOR THE PRODUCTION OF METALIC COPPER

#2
20250257423
2025-08-14

CARBONATION AND SELECTIVE LEACHING FOR THE RECOVERY OF METALS

#3
20250171874
2025-05-29

PRINCIPLES OF OPERATION AND CONTROL OF OXIDIZER IN COUNTERCURRENT LEACHING CONFIGURATIONS

#4
20250137090
2025-05-01

Compositions and processes for the extraction of metals using non-aqueous solvents

#5
20250030074
2025-01-23

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

#6
20240372169
2024-11-07

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

#7
20240055683
2024-02-15

RECOVERY OF METALS

#8
20240002972
2024-01-04

LEACHING OF PRECIOUS AND CHALCOPHILE METALS

#9
20200165697
2020-05-28

INTEGRATED RECOVERY OF METALS FROM COMPLEX SUBSTRATES

#10
20190177864
2019-06-13

SYSTEMS AND METHODS FOR METAL RECOVERY

#11
20180298505
2018-10-18

Systems and methods for improved metal recovery using ammonia leaching

#12
20180171432
2018-06-21

Processes for recovering non-ferrous metals from solid matrices

#13
20170191144
2017-07-06

Method for ammoniacal leaching of copper from oxidised copper ores

#14
20160298248
2016-10-13

Recovery of copper from copper-containing sulfide ores

#15
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#16
20160230296
2016-08-11

Systems and methods for copper recovery via roasting and leaching

#17
20160122847
2016-05-05

METHODS OF COPPER EXTRACTION

#18
20160122846
2016-05-05

SUSTAINABLE PROCESS FOR RECLAIMING PRECIOUS METALS AND BASE METALS FROM E-WASTE

#19
20160115563
2016-04-28

Method for recovering metals

#20
20160068977
2016-03-10

Systems and methods for improved metal recovery using ammonia leaching

#21
20160053342
2016-02-25

Integrated recovery of metals from complex substrates

#22
20150354025
2015-12-10

Methods of copper extraction

#23
20150114183
2015-04-30

Processes for recovering non-ferrous metals from solid matrices

#24
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#25
20140260807
2014-09-18

Systems and methods for improved metal recovery using ammonia leaching

#26
20140260806
2014-09-18

Systems and methods for improved metal recovery using ammonia leaching

#27
20130220078
2013-08-29

Method for leaching of copper and molybdenum

#28
20100180728
2010-07-22

Method for ammoniacal leaching

#29
20100021370
2010-01-28

Flotation reagents and flotation processes utilizing same

#30
20080134482
2008-06-12

Method for manufacturing plate core material and method for manufacturing alkaline storage battery

#31
20050115037
2005-06-02

Method for manufacturing core material for electrode plate and method for manufacturing alkaline storage battery