ClassID:

85338

C01B2210/0014 - CPC Classification

Classification description:

Purification or separation of specific gases; Separation or purification processing; Physical processing 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
20250099904
2025-03-27

OZONE CONCENTRATOR, SUBSTRATE PROCESSING APPARATUS, AND OZONE SUPPLY METHOD

#3
20250091864
2025-03-20

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

#4
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#5
20240327873
2024-10-03

PROCESS REDUCING ENERGY CONSUMPTION IN GAS FERMENTATION

#6
20240228285
2024-07-11

PROCESS FOR PRODUCING VERY HIGH PURITY HELIUM OR HYDROGEN

#7
20240226799
2024-07-11

OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

#8
20240217821
2024-07-04

PROCESS AND APPARATUS TO RECOVER HELIUM

#9
20240208888
2024-06-27

PROCESS AND PLANT FOR PRODUCING METHANOL FROM SUBSTOICHIOMETRIC SYNTHESIS GAS

#10
20240190709
2024-06-13

Continuous carbonaceous matter thermolysis and pressurized char activation with hydrogen production

#11
20240178423
2024-05-30

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

#12
20240132353
2024-04-25

PROCESS FOR PRODUCING VERY HIGH PURITY HELIUM OR HYDROGEN

#13
20240131466
2024-04-25

OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

#14
20240051824
2024-02-15

METHOD TO CONTROL SYNGAS COMPOSITION FROM AN ENGINE-BASED SYNGAS GENERATOR

#15
20240042343
2024-02-08

PRODUCTION SYSTEM, PRODUCTION METHOD AND APPLICATION OF GENERAL-PURPOSE HIGH-PURITY CHEMICALS

#16
20230382740
2023-11-30

Continuous carbonaceous matter thermolysis and pressurized char activation with hydrogen production

#17
20230382735
2023-11-30

HELIUM RECOVERY PROCESS

#18
20230331547
2023-10-19

Sorption-enhanced water-gas shift process for the formation of a CO2 product stream and an H2 product stream

#19
20230285890
2023-09-14

CARBON DIOXIDE RECOVERY SYSTEM

#20
20230112985
2023-04-13

BREATH DETECTION WITH MOVEMENT COMPENSATION

#21
20220311035
2022-09-29

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

#22
20220257895
2022-08-18

EFFICIENT VACUUM PRESSURE SWING ADSORPTION SYSTEMS AND METHODS

#23
20210376363
2021-12-02

METHOD AND A DEVICE FOR OPERATING PEM FUEL CELL WITH CO CONTAMINATED HYDROGEN GAS

#24
20210291110
2021-09-23

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

#25
20210178103
2021-06-17

Oxygen concentrator

#26
20210130263
2021-05-06

Method for collecting hard olefin

#27
20210031139
2021-02-04

Helium recovery from gaseous streams

#28
20200398240
2020-12-24

Ammonia decomposition apparatus and system and hydrogen production method

#29
20200306684
2020-10-01

Nitrogen conservation in polymerization processes

#30
20190336906
2019-11-07

Nitrogen conservation in polymerization processes

#31
20190193018
2019-06-27

Separation process and apparatus for light noble gas

#32
20190176083
2019-06-13

PROCESS AND PLANT FOR OBTAINING PURE HELIUM

#33
20190126189
2019-05-02

Rotary valve assembly for pressure swing adsorption system

#34
20180353898
2018-12-13

Helium recovery from gaseous streams

#35
20180079644
2018-03-22

Oxygen production process of VSA type with period regeneration

#36
20180056221
2018-03-01

FILTER DEVICE AND OXYGEN ENRICHING APPARATUS

#37
20170198968
2017-07-13

Argon production method and apparatus

#38
20170152219
2017-06-01

METHOD FOR THE MANUFACTURE OF UREA

#39
20160115029
2016-04-28

HELIUM RECOVERY PROCESS AND APPARATUS

#40
20150191351
2015-07-09

Method and installation for the combined production of ammonia synthesis gas and carbon dioxide

#41
20150080626
2015-03-19

Methods and systems for supplying hydrogen to a hydrocatalytic reaction

#42
20120085125
2012-04-12

Method and device for separating argon from a gas mixture

#43
20080311022
2008-12-18

METHODS AND APPARATUSES FOR AMMONIA PRODUCTION