C22B3/1616 - CPC Classification Index

ClassID:

119248 ⎘

C22B3/1616 - 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

Sub-classes:

C22B3/1625 » {with amines } 17
C22B3/1633 » {with oximes} 2
C22B3/1641 » {with ketones or aldehydes} 2
C22B3/165 » {with organic acids} 68

Recent Application in this class:

20240254590

2024-08-01

METHOD OF METAL RECOVERY WITH COSOLVENT

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

20180339286

2018-11-29

POLYMER-SUPPORTED CHELATING AGENT

20180112289

2018-04-26

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

20160298209

2016-10-13

Leach aid for metal recovery

20120227545

2012-09-13

Aqueous leaching process for recovery of precious metals with addition of di-thiooxamide ligand