ClassID:

84306

C01B3/54 - CPC Classification

Classification description:

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it ; Purification of hydrogen; Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids including a catalytic reaction

Recent Application in this class:
#1
20250289716
2025-09-18

CARBON DIOXIDE CAPTURE AND CARBON RESOURCE UTILIZATION SYSTEM, FOR FUEL CELL, USING BOIL-OFF GAS GENERATED FROM LIQUEFIED NATURAL GAS

#2
20240375954
2024-11-14

SYSTEM AND METHODS FOR THE PRODUCTION OF HYDROGEN GAS

#3
20210188630
2021-06-24

Hydrogen purification/storage apparatus and method using liquid organic hydrogen carrier

#4
20210155478
2021-05-27

Process and plant for producing pure hydrogen

#5
20200180956
2020-06-11

System and methods for the production of hydrogen gas

#6
20190275460
2019-09-12

Method of purifying and recycling normal-pressure waste hydrogen by full temperature range pressure swing adsorption (FTrPSA) in manufacturing process of semiconductor

#7
20190152776
2019-05-23

Process for producing a synthesis gas

#8
20180093889
2018-04-05

Liquid hydrogen storage material and method of storing hydrogen using the same

#9
20180050910
2018-02-22

Method for cooling a hot synthesis gas

#10
20160272895
2016-09-22

Method of suppressing metal contamination of synthesis gas production apparatus

#11
20140086818
2014-03-27

Synthesis gas separation and reforming process

#12
20140018450
2014-01-16

Method of suppressing metal contamination of synthesis gas production apparatus

#13
20130004864
2013-01-03

Fuel cell system including an ammonia remover and method of operating the same

#14
20110250113
2011-10-13

Method of treating a syngas stream and an apparatus therefor

#15
20100326087
2010-12-30

Fuel gas purification apparatus, power generation system, and fuel synthesis system

#16
20090133535
2009-05-28

PROCESS FOR PRODUCTION OF ELEMENTAL IRON

#17
20080242749
2008-10-02

Process for the removal of COS and HS from a synthesis gas stream comprising HS and COS

#18
20070122329
2007-05-31

PURIFICATION OF RAW HYDROGEN

#19
16050847
2019-11-05

Catalytic gasification to produce methanol