C22B15/0013 - CPC Classification Index

ClassID:

119346 ⎘

C22B15/0013 - CPC Classification

Classification description:

Obtaining copper; Preliminary treatment with modification of the copper constituent by roasting

Sub-classes:

C22B15/0015 » {Oxidizing roasting} 8
C22B15/0017 » {Sulfating or sulfiding roasting} 5
C22B15/0019 » {Chloridizing roasting } 5

Recent Application in this class:

20260028695

2026-01-29

EXTRACTION AND RECOVERY OF METALS UNDER AMBIENT CONDITIONS

20250357567

2025-11-20

METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY BATTERIES

20250305089

2025-10-02

OXIDATIVE AND REDUCTIVE LEACHING METHODS

20240274912

2024-08-15

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

20240213562

2024-06-27

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

20240006677

2024-01-04

RECOVERY OF METALS FROM LITHIUM-ION BATTERIES

20230318063

2023-10-05

VALUABLE MATTER RECOVERY METHOD

20200010924

2020-01-09

Process and apparatus for roasting of metal sulfide concentrates and/or residues

20190017143

2019-01-17

PROCESS AND FACILITY FOR THERMAL TREATMENT OF A SULFUR-CONTAINING ORE

#10

20170009318

2017-01-12

Recovery of copper from arsenic-containing process feed

#11

20130291684

2013-11-07

Process and plant for treating ore concentrate particles containing valuable metal

#12

20080118421

2008-05-22

METHOD AND MEANS FOR USING MICROWAVE ENERGY TO OXIDIZE SULFIDIC COPPER ORE INTO A PRESCRIBED OXIDE-SULFATE PRODUCT

#13

20060230879

2006-10-19

Method and plant for the heat treatment of sulfidic ores using annular fluidized

#14

20050188791

2005-09-01

Process to recover base metals