C22B3/1625 - CPC Classification Index

ClassID:

119249 ⎘

C22B3/1625 - CPC Classification

Classification description:

Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions; Leaching with acyclic or carbocyclic agents; Leaching with acyclic or carbocyclic agents of a single type with amines

Recent Application in this class:

20230141211

2023-05-11

Process for recovering precious metals from molecular sieve bodies

20220364201

2022-11-17

METHODS FOR SELECTIVE LEACHING AND EXTRACTION OF PRECIOUS METALS IN ORGANIC SOLVENTS

20220340998

2022-10-27

Methods for simultaneous leaching and extraction of precious metals

20210381079

2021-12-09

LEACHING AIDS AND METHODS OF USING LEACHING AIDS

20200277683

2020-09-03

Methods for recovering copper, cobalt, indium and nickel with amine containing lixiviant

20190161824

2019-05-30

Extraction of selected platinum-group metals from supported catalyst

20190032172

2019-01-31

Making mineral salts from various sources

20180112289

2018-04-26

Methods for selective leaching and extraction of precious metals in organic solvents

20170175229

2017-06-22

Methods and composition for sequential isolation of rare earth elements

#10

20170166994

2017-06-15

Lixiviant for rare earth production

#11

20160281192

2016-09-29

Making mineral salts from various sources

#12

20140127096

2014-05-08

Making mineral salts from various sources

#13

20110290657

2011-12-01

Process for gold and silver leaching with thiourea solutions

#14

20100206777

2010-08-19

Compositions and methods for coagulating silica from mineral processing streams

#15

20090277305

2009-11-12

Recovery of rhenium

#16

20080175773

2008-07-24

Process for the dissolution of copper metal

#17

20070272055

2007-11-29

Process for Gold and Silver Leaching with Thiourea Solutions