ClassID:

85374

C01B2210/007 - CPC Classification

Classification description:

Purification or separation of specific gases; Impurity removed; Organic compounds Hydrocarbons

Recent Application in this class:
#1
20260035243
2026-02-05

SYSTEM AND METHOD FOR PRODUCTION OF ULTRA-HIGH PURITY OXYGEN

#2
20250276275
2025-09-04

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

#3
20250206607
2025-06-26

METHOD AND APPARATUS FOR SEPARATING A COMPONENT MIXTURE

#4
20250187919
2025-06-12

HELIUM RECOVERY FROM THE NATURAL GAS IN PETROCHEMICAL PLANTS

#5
20250162867
2025-05-22

HYDROCARBON PYROLYSIS USING SUBMICRON-SIZED HIGH ENTROPY ALLOY CATALYST FOR PRODUCTION OF HYDROGEN

#6
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#7
20240166511
2024-05-23

PROCESSES AND APPARATUSES FOR SEPARATING HYDROGEN FROM HYDROCARBONS

#8
20240009642
2024-01-11

PROCESS AND APPARATUS FOR SEPARATION, REMOVAL, AND PURIFICATION OF SOLID CARBON OUTCOMING FROM A HYDROGEN PRODUCTION REACTOR BY METHANE AND/OR HYDROCARBONS CRACKING WITH LOW CO2 EMISSIONS

#9
20230323276
2023-10-12

INTEGRATED PROCESS FOR FILTERING CONSTITUENTS FROM A GAS STREAM

#10
20220397344
2022-12-15

COMBINED PLANT FOR CRYOGENIC SEPARATION AND LIQUEFACTION OF METHANE AND CARBON DIOXIDE COMPRISED IN A BIOGAS STREAM

#11
20220397343
2022-12-15

FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COMPRISING A VAPO/CONDENSER PLACED IN AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

#12
20220372426
2022-11-24

Integrated process for filtering constituents from a gas stream

#13
20220314163
2022-10-06

METHOD AND ARRANGEMENT FOR RECOVERING HELIUM

#14
20210354987
2021-11-18

HELIUM PURIFICATION PROCESS AND UNIT

#15
20210291110
2021-09-23

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

#16
20210031139
2021-02-04

Helium recovery from gaseous streams

#17
20200385269
2020-12-10

Helium purification process and unit

#18
20200131036
2020-04-30

Process for the recovery of iodine from aqueous solutions

#19
20190249132
2019-08-15

Integrated process for filtering constituents from a gas stream

#20
20190247784
2019-08-15

THERMALLY REARRANGED POLYMER GAS SEPARATION MEMBRANE HAVING FLUORINATED CROSS-LINKED STRUCTURE, AND PREPARATION METHOD THEREFOR

#21
20190184332
2019-06-20

HELIUM PURITY ADJUSTMENT IN A MEMBRANE SYSTEM

#22
20190154332
2019-05-23

METHOD FOR SEPARATING A SYNTHESIS GAS

#23
20190128601
2019-05-02

Process and plant for the combination production of a mixture of hydrogen and nitrogen and also of carbon monoxide by cryogenic distillation and cryogenic scrubbing

#24
20180353898
2018-12-13

Helium recovery from gaseous streams

#25
20180339274
2018-11-29

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, GAS SEPARATION METHOD, AND POLYIMIDE COMPOUND

#26
20180320959
2018-11-08

Method and apparatus for separating a synthesis gas

#27
20180290111
2018-10-11

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND GAS SEPARATION METHOD

#28
20180244523
2018-08-30

Production of hyperpolarized gas

#29
20180058758
2018-03-01

Cryogenic adsorption process for xenon recovery

#30
20180050301
2018-02-22

Methods and systems for managing gas purification

#31
20170320736
2017-11-09

Combined membrane-pressure swing adsorption method for recovery of helium

#32
20170312682
2017-11-02

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

#33
20170296983
2017-10-19

Separation membrane structure

#34
20170259204
2017-09-14

Fluid separation processes using membranes based on fluorinated and perfluorinated polymers

#35
20170216759
2017-08-03

Process for carbon dioxide recovery from a gas stream containing carbon dioxide and hydrocarbons

#36
20170203251
2017-07-20

Gas Separation Membranes Based on Fluorinated and Perfluorinated Polymers

#37
20160231051
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#38
20160228813
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#39
20160089637
2016-03-31

Inorganic-organic hybrid nanoporous material with nitrogen selective adsorptivity and method for separating nitrogen-containing gas mixture using the same

#40
20160060130
2016-03-03

Hydrogen and nitrogen recovery from ammonia purge gas

#41
20150360201
2015-12-17

Metal-organic frameworks for selective separations

#42
20150151242
2015-06-04

Helium gas separator material and method for producing the same

#43
20150099416
2015-04-09

System and method for xenon recovery

#44
20150083972
2015-03-26

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

#45
20140345457
2014-11-27

Method for separating gases

#46
20140243574
2014-08-28

Helium recovery from natural gas

#47
20130149226
2013-06-13

Inert gas recovery and recycle for silicon crystal growth pulling process

#48
20130039835
2013-02-14

Hydrogen and Nitrogen Recovery from Ammonia Purge Gas

#49
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#50
20110305310
2011-12-15

EQUIPMENT AND SYSTEM FOR PROCESSING A GASEOUS MIXTURE BY PERMEATION

#51
20100028229
2010-02-04

OXYGEN REMOVAL

#52
20090193967
2009-08-06

Removal of gaseous contaminants from argon

#53
20090132206
2009-05-21

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

#54
20070157662
2007-07-12

Method and apparatus for producing products from natural gas including helium and liquefied natural gas

#55
20070151857
2007-07-05

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

#56
20070125232
2007-06-07

Mobile nitrogen generation system

#57
20070006591
2007-01-11

Fuel deoxygenation for improved combustion performance