ClassID:

85369

C01B2210/0062 - CPC Classification

Classification description:

Purification or separation of specific gases; Impurity removed Water

Recent Application in this class:
#1
20250187919
2025-06-12

HELIUM RECOVERY FROM THE NATURAL GAS IN PETROCHEMICAL PLANTS

#2
20250136457
2025-05-01

GEOTHERMALLY DRIVEN AMMONIA PRODUCTION

#3
20250122079
2025-04-17

METHOD OF RECYCLING HELIUM FROM WASTE GAS IN SEMICONDUCTOR PROCESS

#4
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#5
20240262688
2024-08-08

Method of purifying crude lithium bis(fluorosulfonyl)imide

#6
20240178423
2024-05-30

APPARATUS, SYSTEM AND METHOD FOR GENERATING NITROGEN GAS FROM FUEL-CELL EXHAUST GAS

#7
20230417206
2023-12-28

MARINE METHANOL INERT GAS BLANKETING

#8
20230264145
2023-08-24

Improving the purity of a CO2-rich stream

#9
20230227310
2023-07-20

A SYSTEM FOR OBTAINING HIGH PURITY NITROGEN IN NITROGEN GAS PURIFICATION APPLICATIONS AND A METHOD THEREOF

#10
20220323897
2022-10-13

APPARATUS AND METHOD FOR RAPID COOLING OF HIGH TEMPERATURE GAS

#11
20220311035
2022-09-29

Apparatus and system for generating nitrogen gas through dehumidifying and filtering fuel cell exhaust gas

#12
20220152548
2022-05-19

Process for separation of hydrogen and oxygen

#13
20210284532
2021-09-16

METHOD FOR PRODUCING HYDROGEN FLUORIDE FROM HEXAFLUOROSILICIC ACID

#14
20200353403
2020-11-12

Process for separation of hydrogen and oxygen

#15
20200101412
2020-04-02

DIP-CONDUIT PURIFICATION APPARATUS AND METHOD OF PURIFYING A GAS

#16
20190154332
2019-05-23

METHOD FOR SEPARATING A SYNTHESIS GAS

#17
20180354795
2018-12-13

Neon recovering/purifying system and neon recovering/purifying method

#18
20180333671
2018-11-22

Xenon collection method and system

#19
20180323411
2018-11-08

Metal-air battery

#20
20180320959
2018-11-08

Method and apparatus for separating a synthesis gas

#21
20180134967
2018-05-17

Systems and methods related to syngas to olefin production

#22
20180076425
2018-03-15

METAL-AIR BATTERY

#23
20180065078
2018-03-08

Xenon collection method and system

#24
20180050301
2018-02-22

Methods and systems for managing gas purification

#25
20170333841
2017-11-23

Gas purifier

#26
20170312682
2017-11-02

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

#27
20170029273
2017-02-02

Nitrous oxide regenerable room temperature purifier and method

#28
20150083972
2015-03-26

Method for purification of ammonia, mixtures of nitrogen and hydrogen, or nitrogen, hydrogen and ammonia

#29
20150056113
2015-02-26

Gas purifier

#30
20140370125
2014-12-18

Method for producing NO/Ngaseous mixtures intended for the medical field

#31
20130183591
2013-07-18

METAL-AIR BATTERY AND METHODS FOR FORMING IMPROVED METAL-AIR BATTERIES

#32
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#33
20120184697
2012-07-19

COPOLYMERS FOR BARRIERS

#34
20120167770
2012-07-05

Adsorbent material and xenon adsorption device using same

#35
20120100063
2012-04-26

Method for preparing high purity ammonia

#36
20120085125
2012-04-12

Method and device for separating argon from a gas mixture

#37
20120079939
2012-04-05

Recovering of xenon by adsorption process

#38
20110076213
2011-03-31

Use of impure inert gases in the controlled heating and cooling of mixed conducting metal oxide materials

#39
20110023538
2011-02-03

Process for purifying dinitrogen monoxide

#40
20100248044
2010-09-30

ON BOARD GENERATION OF N2 FOR FUEL CELLS USING A MEMBRANE

#41
20100206164
2010-08-19

Gas purification method

#42
20100178437
2010-07-15

Thin film depositing method

#43
20100077920
2010-04-01

Multi-port indexing drum valve for VPSA

#44
20100055517
2010-03-04

Methods and systems of producing hydrogen and oxygen for power generation, and power source

#45
20100051030
2010-03-04

System and method for controlling bolus pulse duration based on inspiratory time in an oxygen concentation system

#46
20090211443
2009-08-27

Self-serviceable filter for an oxygen generating device

#47
20090199710
2009-08-13

Ozone production by pressure swing adsorption using a protective adsorbed component

#48
20090167698
2009-07-02

User interface for a portable oxygen concentrator

#49
20090151561
2009-06-18

Two stage pressure swing adsorption process for producing enriched-oxygen

#50
20090132206
2009-05-21

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

#51
20090120379
2009-05-14

Boiler having an integrated oxygen producing device

#52
20090071333
2009-03-19

Performance Stability in Shallow Beds in Pressure Swing Adsorption Systems

#53
20080282880
2008-11-20

Portable oxygen concentrator

#54
20080178736
2008-07-31

Feed gas contaminant removal in ion transport membrane systems

#55
20080171844
2008-07-17

Copolymers for barriers

#56
20080083332
2008-04-10

Performance stability in shallow beds in pressure swing adsorption systems

#57
20080083331
2008-04-10

Performance stability in rapid cycle pressure swing adsorption systems

#58
20070227360
2007-10-04

Portable oxygen concentrator

#59
20070151857
2007-07-05

Oxygen conducting membranes, preparation method thereof, and reactor and method using same

#60
20070125232
2007-06-07

Mobile nitrogen generation system

#61
20070037893
2007-02-15

Process to transport a methanol or hydrocarbon product

#62
20060230931
2006-10-19

Portable oxygen concentrator

#63
20060230925
2006-10-19

Portable air separation/air dehydration system

#64
20060180022
2006-08-17

Ion transport membrane module and vessel system with directed internal gas flow

#65
20060000223
2006-01-05

Desiccant cartridge

#66
20050235831
2005-10-27

Xenon external recycling unit for recovery, purification and reuse of xenon in anaesthesia circuits

#67
20050226798
2005-10-13

Oxygen sorbent compositions and methods of using same

#68
20050204915
2005-09-22

Porous gas permeable material for gas separation

#69
20050120877
2005-06-09

Purification of hydride gases

#70
20050120581
2005-06-09

Process for removing water from ammonia

#71
20050066814
2005-03-31

Apparatus and method for producing nitrox

#72
20050061148
2005-03-24

Process and device in connection with the production of oxygen or oxygen enriched air

#73
17527753
2022-12-20

Methods and systems of sub-dew point sulfur recovery with interstage membrane units