ClassID:

119321

C22B11/026 - CPC Classification

Classification description:

Obtaining noble metals by dry processes; Recovery of noble metals from waste materials from spent catalysts

Sub-classes:
Recent Application in this class:
#1
20250183328
2025-06-05

METHOD FOR COMMINUTING SPENT, CATALYST-COATED POLYMER ELECTROLYTE MEMBRANES

#2
20250099929
2025-03-27

PLATINUM CATALYST RECYCLING DEVICE WITH MULTIPLE FILTRATION STRUCTURES

#3
20240351016
2024-10-24

PROCESS FOR DECOMPOSING SIC OR SIC-CONTAINING MATERIALS

#4
20230045764
2023-02-09

Method for recovering platinum group metals

#5
20230034873
2023-02-02

Method for the recovery of platinum group metals from catalysts comprising silicon carbide

#6
20220177999
2022-06-09

PGM converting process and jacketed rotary converter

#7
20220154306
2022-05-19

Method for producing a PGM collector alloy

#8
20210310098
2021-10-07

Method for Recovering Gold, Silver and Platinum Metals from Components of a Fuel Cell Stack or of an Electrolyzer

#9
20200318218
2020-10-08

PROCESS FOR THE RECOVERY AND RECYCLING OF MATERIALS THAT CONSTITUTE SUPPORTED PALLADIUM MEMBRANES

#10
20190338393
2019-11-07

Converting process with slag separation and recycle

#11
20190338392
2019-11-07

Integrated PGM converting process

#12
20190338391
2019-11-07

PGM converting process with staged slagging

#13
20190338380
2019-11-07

Jacketed rotary converter and PGM converting process

#14
20190330720
2019-10-31

Converting process with partial pre-oxidation of PGM collector alloy

#15
20190256949
2019-08-22

Low-flux converting process for PGM collector alloy

#16
20190256948
2019-08-22

Method for platinum group metals recovery from spent catalysts

#17
20190226053
2019-07-25

Process for the recovery of precious metal from petrochemical process residues

#18
20180238542
2018-08-23

Process for the incineration of activated coal-supported PGM catalysts

#19
20180195150
2018-07-12

Process and device for burn-off of precious metal-containing materials

#20
20180142330
2018-05-24

Process for the production of a PGM-enriched alloy

#21
20170253947
2017-09-07

Method of selective extraction of platinoids, from a support containing same, with an extraction medium consisting of a supercritical fluid and an organic ligand

#22
20170002441
2017-01-05

Process for the production of a PGM-enriched alloy

#23
20160060727
2016-03-03

Precious metal recovery

#24
20150105480
2015-04-16

Method for recycling noble metals from Fischer-Tropsch products

#25
20150101455
2015-04-16

Method for recovery of nobel metals from long-chain hydrocarbons, tars, oils

#26
20140373682
2014-12-25

Method for recovering ruthenium from spent ruthenium-based catalyst carried on aluminum oxide

#27
20140056786
2014-02-27

Device and Method for the Thermal Treatment of Fluorine-Containing and Noble Metal-Containing Products

#28
20140053687
2014-02-27

Method of recovering PGM

#29
20120118108
2012-05-17

Recovery of precious metals from spent homogeneous catalysts

#30
20120000832
2012-01-05

Platinum group metal recovery from powdery waste

#31
20110286898
2011-11-24

Process for recovering ruthenium from used ruthenium oxide-comprising catalysts

#32
20110274580
2011-11-10

Plasma method and apparatus for recovery of precious metals

#33
20110001279
2011-01-06

Apparatus for recovering platinum group elements

#34
20100080744
2010-04-01

PROCESS FOR ISOLATING METALLIC RUTHENIUM OR RUTHENIUM COMPOUNDS FROM RUTHENIUM-CONTAINING SOLIDS

#35
20080299032
2008-12-04

Process for producing supported ruthenium and process for producing chlorine

#36
20080282842
2008-11-20

Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters

#37
20080050623
2008-02-28

Method and system for recovering catalyst for fuel cell

#38
20060275652
2006-12-07

Process for the concentration of noble metals from fluorine-containing fuel cell components

#39
20060213323
2006-09-28

Method for recovering platinum group elements

#40
20060037438
2006-02-23

Process for extraction of metals from ores or industrial materials

#41
20050166707
2005-08-04

Method and apparatus for recovering platinum group elements

#42
20050081683
2005-04-21

Process for extracting platinum group metals