ClassID:

84778

C01B23/0052 - CPC Classification

Classification description:

Noble gases; Compounds thereof; Purification or separation processes of noble gases; Physical processing only by adsorption in solids

Sub-classes:
Recent Application in this class:
#1
20250276275
2025-09-04

PROCESS TO PURIFY HELIUM FROM METHANE WITH INTEGRATED NITROGEN REJECTION USING MEMBRANE TECHNOLOGY

#2
20240217821
2024-07-04

PROCESS AND APPARATUS TO RECOVER HELIUM

#3
20230356141
2023-11-09

Gas separation method and gas separation device

#4
20220314163
2022-10-06

METHOD AND ARRANGEMENT FOR RECOVERING HELIUM

#5
20210291110
2021-09-23

Method and arrangement for recovering a helium product from natural gas by membrane unit

#6
20190193018
2019-06-27

Separation process and apparatus for light noble gas

#7
20190176083
2019-06-13

PROCESS AND PLANT FOR OBTAINING PURE HELIUM

#8
20180333671
2018-11-22

Xenon collection method and system

#9
20180085824
2018-03-29

METHOD FOR PROCESSING METAL POWDER

#10
20180065078
2018-03-08

Xenon collection method and system

#11
20170312682
2017-11-02

Method and industrial plant for obtaining helium from a helium-containing feed gas

#12
20170198968
2017-07-13

Argon production method and apparatus

#13
20160084571
2016-03-24

Purification of argon through liquid phase cryogenic adsorption

#14
20150151239
2015-06-04

Gas separation device and gas separation method

#15
20150099416
2015-04-09

System and method for xenon recovery

#16
20140245782
2014-09-04

Argon production method and apparatus

#17
20140245781
2014-09-04

Purification of argon through liquid phase cryogenic adsorption

#18
20130019749
2013-01-24

Method for recovering high-value components from waste gas streams

#19
20120024152
2012-02-02

Pressure swing adsorption-type gas separation method and separation apparatus

#20
20110138877
2011-06-16

Helium reclamation systems and methods for a gas chromatograph

#21
20100139485
2010-06-10

GAS RECOVERY PROCESS

#22
20100074820
2010-03-25

Xenon retrieval system and retrieval device

#23
20090193967
2009-08-06

Removal of gaseous contaminants from argon

#24
20090132206
2009-05-21

System and method of eliminating interference for impurities measurement in noble gases

#25
20060278077
2006-12-14

Gas separation method using adsorbent

#26
20060130649
2006-06-22

Treatment of effluent gases

#27
20060107831
2006-05-25

Xenon recovery system

#28
20050257685
2005-11-24

Continuous feed three-bed pressure swing adsorption system

#29
20050199122
2005-09-15

Gas separating method

#30
20050109419
2005-05-26

Gas supplying method and system