C22B3/0004 - CPC Classification Index

ClassID:

119197 ⎘

C22B3/0004 - CPC Classification

Classification description:

Sub-classes:

C22B3/0005 » {by liquid-liquid extraction using organic compounds, e.g. acyclic or carbocyclic compounds, heterocyclic compounds, organo- metallic compounds, alcohols, ethers, or the like } 116
C22B3/0098 » {by ion exchange extraction or by adsorption on solid substances, e.g. by extraction with solid resins } 14

Recent Application in this class:

20210198767

2021-07-01

Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups

20210140009

2021-05-13

Processing rare earth sulphate solutions

20200181737

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181736

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181735

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181734

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181733

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181732

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

20200181731

2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#10

20200149132

2020-05-14

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#11

20200149131

2020-05-14

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#12

20180135148

2018-05-17

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#13

20170268080

2017-09-21

Process for recycling chromium from waste water containing hexavalent chromium

#14

20170159153

2017-06-08

Leaching aids and methods of using leaching aids

#15

20170058416

2017-03-02

Methods and systems for reducing impurity metal from a refinery electrolyte solution

#16

20150376734

2015-12-31

Valuable-metal extraction method

#17

20150144540

2015-05-28

METHOD AND APPARATUS FOR REGENERATION OF EXTRACTION SOLUTION IN METAL EXTRACTION PROCESSES

#18

20150010447

2015-01-08

Method of purification for recycling of gallium-69 isotope

#19

20120325675

2012-12-27

Apparatus and method for recovery of valuable metals by alkali leaching