ClassID:

160389

F25J2210/42 - CPC Classification

Classification description:

Processes characterised by the type or other details of the feed stream Nitrogen

Recent Application in this class:
#1
20260146785
2026-05-28

Nitrogen Rejection Unit with Mixed Refrigerant Cooling System and Method

#2
20250297802
2025-09-25

SYSTEM AND METHOD FOR THE PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT

#3
20250290692
2025-09-18

APPARATUS AND PROCESS FOR PROVIDING NITROGEN AND OXYGEN

#4
20250083088
2025-03-13

METHODS OF BUTANE DELIVERY

#5
20240295359
2024-09-05

Device and Method for Recovering Gas with Variable Low-Temperature

#6
20240271867
2024-08-15

CRYO-COLLECTION SYSTEMS AND RELATED METHODS AND HYPERPOLARIZER SYSTEMS

#7
20240183610
2024-06-06

METHOD AND PLANT FOR LOW TEMPERATURE FRACTIONATION OF AIR

#8
20230417482
2023-12-28

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#9
20230384027
2023-11-30

PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHANE AND AIR GASES, FACILITY FOR PRODUCING BIOMETHANE BY PURIFICATION OF BIOGASES DERIVED FROM NON-HAZARDOUS WASTE STORAGE FACILITIES (NHWSF) IMPLEMENTING THE PROCESS

#10
20230221069
2023-07-13

Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit

#11
20230213278
2023-07-06

APPARATUS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION USING EXTERNAL LIQUID NITROGEN AND HIGH PRESSURE GASEOUS NITROGEN

#12
20230213273
2023-07-06

INTEGRATED INDUSTRIAL UNIT

#13
20230021328
2023-01-26

HYDROCARBON GAS PROCESSING

#14
20220404094
2022-12-22

SYSTEM AND M ETHOD FOR SUPPLYING CRYOGENIC REFRIGERATION

#15
20220357104
2022-11-10

Fluid recovery process and apparatus for xenon and or krypton recovery

#16
20220316794
2022-10-06

Method and unit for processing a gas mixture containing nitrogen and methane

#17
20220221221
2022-07-14

Fluid recovery process and apparatus

#18
20220082325
2022-03-17

Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same

#19
20220074656
2022-03-10

APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#20
20210381761
2021-12-09

Method and unit for low-temperature air separation

#21
20210364229
2021-11-25

Systems and Methods of Removing Contaminants in a Liquid Nitrogen Stream Used to Liquefy Natural Gas

#22
20210310733
2021-10-07

METHOD FOR RECYCLING ARGON

#23
20210310730
2021-10-07

Method for starting up an argon separation column of an apparatus for air separation by cryogenic distillation and unit for implementing the method

#24
20210285721
2021-09-16

LNG production with nitrogen removal

#25
20210172677
2021-06-10

CRYOGENIC PROCESS FOR REMOVING NITROGEN FROM A DISCHARGE GAS

#26
20210156612
2021-05-27

Argon and power production by integration with power plant

#27
20210131729
2021-05-06

Hydrocarbon gas processing

#28
20210095922
2021-04-01

Method for the production of air gases by the cryogenic separation of air with improved front end purification and air compression

#29
20210086129
2021-03-25

Method for distilling a gas stream containing oxygen

#30
20210080175
2021-03-18

METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF A SYNTHESIS GAS CONTAINING A NITROGEN SEPARATION STEP

#31
20210080171
2021-03-18

High-purity oxygen production system

#32
20210041164
2021-02-11

Reliquefaction device

#33
20210025651
2021-01-28

Liquid hydrogen production facility and hydrogen gas production facility

#34
20200370823
2020-11-26

System and method for small scale LNG production

#35
20200333050
2020-10-22

Refrigeration cycle for liquid oxygen densification

#36
20200318896
2020-10-08

Process for cryogenic separation of a feed stream containing methane and air gases, facility for producing biomethane by purification of biogases derived from non-hazardous waste storage facilities (NHWSF) implementing the process

#37
20200271380
2020-08-27

System and method for liquefying production gas from a gas source

#38
20200208574
2020-07-02

Method for exhaust waste energy recovery at the internal combustion engine polygeneration plant

#39
20200182543
2020-06-11

Gas production system

#40
20200165970
2020-05-28

Method for exhaust waste energy recovery at the reciprocating gas engine-based polygeneration plant

#41
20200132367
2020-04-30

Method and apparatus for air separation by cryogenic distillation

#42
20200072547
2020-03-05

System and method for separating natural gas liquid and nitrogen from natural gas streams

#43
20200033055
2020-01-30

Process and apparatus for the cryogenic separation of a mixture of carbon monoxide, hydrogen and methane for the production of CH4

#44
20200003070
2020-01-02

Raw material gas liquefying device and method of controlling this raw material gas liquefying device

#45
20190293348
2019-09-26

Nitrogen production method and nitrogen production apparatus

#46
20190285340
2019-09-19

Method and system for liquefaction of natural gas using liquid nitrogen

#47
20190285339
2019-09-19

Raw material gas liquefying device and method of controlling this raw material gas liquefying device

#48
20190271501
2019-09-05

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER

#49
20190226745
2019-07-25

Liquid nitrogen-based cooling system

#50
20190154332
2019-05-23

METHOD FOR SEPARATING A SYNTHESIS GAS

#51
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

#52
20190056176
2019-02-21

Process and device for the cryogenic separation of synthesis gas

#53
20190054992
2019-02-21

Cooling of a vaporized content of a liquefied gas for the purpose of powering machinery, plants or vehicles

#54
20190032995
2019-01-31

Liquiefying a gaseous medium

#55
20190001263
2019-01-03

Method for producing biomethane by purifying biogas from non-hazardous waste storage facilities and facility for implementing the method

#56
20180347897
2018-12-06

Large-scale hydrogen liquefaction by means of a high pressure hydrogen refrigeration cycle combined to a novel single mixed-refrigerant precooling

#57
20180340731
2018-11-29

Method for Recycling Streams in a Separations Process

#58
20180335255
2018-11-22

Device and method for purifying a gas mixture

#59
20180320959
2018-11-08

Method and apparatus for separating a synthesis gas

#60
20180313604
2018-11-01

Hydrogen-neon mixture refrigeration cycle for large-scale hydrogen cooling and liquefaction

#61
20180306497
2018-10-25

Nitrogen production system for producing nitrogen with different purities and nitrogen production process thereof

#62
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#63
20180238618
2018-08-23

PRODUCTION OF HELIUM FROM A GAS STREAM CONTAINING HYDROGEN

#64
20180231306
2018-08-16

System and method for separating natural gas liquid and nitrogen from natural gas streams

#65
20180202712
2018-07-19

Method for cooling a process flow

#66
20180202690
2018-07-19

Refrigeration cycle for liquid oxygen densification

#67
20180142950
2018-05-24

LNG integration with cryogenic unit

#68
20180100696
2018-04-12

Facility and method for producing liquid helium

#69
20180080710
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#70
20180080709
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#71
20180080708
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#72
20180058757
2018-03-01

Process and apparatus for producing carbon monoxide

#73
20180038644
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#74
20180038641
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#75
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#76
20170343280
2017-11-30

Refrigerant vent rectifier and efficiency booster

#77
20170307290
2017-10-26

LIQUEFACTION PROCESS FOR PRODUCING SUBCOOLED LNG

#78
20170292784
2017-10-12

System and method for liquefying production gas from a gas source

#79
20170284736
2017-10-05

System, apparatus and methods for a superduct based on a thermally reactive nosecone

#80
20170284735
2017-10-05

AIR SEPARATION REFRIGERATION SUPPLY METHOD

#81
20170276428
2017-09-28

Method for the production of air gases by the cryogenic separation of air with improved front end purification and air compression

#82
20170253481
2017-09-07

Production of ammonia make-up syngas with cryogenic purification

#83
20170241707
2017-08-24

Method for the capture of carbon dioxide through cryogenically processing gaseous emissions from fossil-fuel power generation

#84
20170211879
2017-07-27

Process and apparatus for producing pressurized gaseous nitrogen by cryogenic separation of air

#85
20170205140
2017-07-20

Small-scale hydrogen liquefaction system equipped with cryocooler

#86
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#87
20170102182
2017-04-13

Method and arrangement for producing liquefied methane gas (LMG) from various gas sources

#88
20170016668
2017-01-19

Increasing efficiency in an LNG production system by pre-cooling a natural gas feed stream

#89
20170010041
2017-01-12

Systems and methods for the production of liquefied nitrogen using liquefied natural gas

#90
20170009940
2017-01-12

Insulated chamber and method for flushing such a chamber

#91
20170003071
2017-01-05

PURIFYING CRYOGENIC FLUIDS

#92
20160282041
2016-09-29

Liquefaction process for producing subcooled LNG

#93
20160231051
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#94
20150369534
2015-12-24

Natural gas isobaric liquefaction apparatus

#95
20150362250
2015-12-17

Natural gas isobaric liquefaction apparatus

#96
20150354888
2015-12-10

Air separation apparatus to produce oxygen and nitrogen through isobaric separation

#97
20150345834
2015-12-03

Refrigeration and/or liquefaction device using selective pre-cooling, and corresponding method

#98
20150316315
2015-11-05

Refrigeration and/or liquefaction device, and associated method

#99
20150143844
2015-05-28

Devices and methods for producing liquid air

#100
20140260422
2014-09-18

Low temperature air separation process for producing pressurized gaseous product

#101
20140250911
2014-09-11

Power generation and LNG production

#102
20140053601
2014-02-27

Method and apparatus for separating air by cryogenic distillation

#103
20130333415
2013-12-19

Liquefaction process producing subcooled LNG

#104
20130312457
2013-11-28

Process and device for the cryogenic separation of a methane-rich stream

#105
20130174583
2013-07-11

METHODS FOR STORING CRYOGENIC FLUIDS IN STORAGE VESSELS

#106
20130139547
2013-06-06

AIR SEPARATION METHOD AND APPARATUS

#107
20130139546
2013-06-06

AIR SEPARATION METHOD AND APPARATUS

#108
20130111948
2013-05-09

Purification of Carbon Dioxide

#109
20120279254
2012-11-08

Method for cryogenically separating a mixture of nitrogen and carbon monoxide

#110
20120198997
2012-08-09

Method of separating off trace components from a fraction containing at least nitrogen and helium

#111
20120167616
2012-07-05

Pressure control of gas liquefaction system after shutdown

#112
20120161079
2012-06-28

Production of Ammonia Make-Up Syngas with Cryogenic Purification

#113
20120141350
2012-06-07

Process for revamping an ammonia plant with nitrogen-based washing of a purge stream

#114
20120067082
2012-03-22

METHOD AND APPARATUS FOR PRODUCING AT LEAST ONE ARGON-ENRICHED FLUID AND AT LEAST ONE OXYGEN-ENRICHED FLUID FROM A RESIDUAL FLUID

#115
20120060553
2012-03-15

NATURAL GAS LIQUEFACTION

#116
20120041248
2012-02-16

Process for removing nitrogen

#117
20120000242
2012-01-05

METHOD AND APPARATUS FOR STORING LIQUEFIED NATURAL GAS

#118
20110308275
2011-12-22

METHOD AND SYSTEM FOR PERIODIC COOLING, STORING, AND HEATING OF ATMOSPHERIC GAS

#119
20110259047
2011-10-27

Method and apparatus for producing nitrogen by cryogenic distillation of air

#120
20110259044
2011-10-27

METHOD AND APPARATUS FOR PRODUCING LIQUEFIED NATURAL GAS

#121
20110257276
2011-10-20

Process and apparatus for the production of hydrocarbon compounds from methane

#122
20110132035
2011-06-09

Method And Apparatus For Providing Nitrogen

#123
20110126451
2011-06-02

INTEGRATED PROCESS FOR CONVERTING NATURAL GAS FROM AN OFFSHORE FIELD SITE TO LIQUEFIED NATURAL GAS AND LIQUID FUEL

#124
20110120185
2011-05-26

METHODS FOR PRODUCING STERILE CRYOGENIC FLUIDS

#125
20110067438
2011-03-24

SYSTEM AND PROCESS FOR PRODUCING FROZEN CARBON DIOXIDE PELLETS

#126
20110056239
2011-03-10

Method and device for cryogenically separating a mixture of hydrogen and carbon monoxide

#127
20100319361
2010-12-23

Method of producing a gasified hydrocarbon stream; method of liquefying a gaseous hydrocarbon stream; and a cyclic process

#128
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#129
20100206711
2010-08-19

Method for concentrating nitrogen isotope

#130
20100199718
2010-08-12

Storage enclosure, method and apparatus for producing carbon monoxide and/or hydrogen by means of cryogenic separation, including one such enclosure

#131
20100199717
2010-08-12

Method and system for the separation of a mixture containing carbon dioxide, hydrocarbon and hydrogen

#132
20100192627
2010-08-05

Method and device for the cryogenic separation of a methane-rich flow

#133
20100192626
2010-08-05

Method and apparatus for liquefying a gaseous hydrocarbon stream

#134
20100150813
2010-06-17

Method and apparatus for producing carbon monoxide by cryogenic distillation using a distillation column system supplied with a mixture of which the main components are at least hydrogen and carbon monoxide

#135
20100140510
2010-06-10

METHOD AND DEVICE FOR COOLING A GAS

#136
20100126215
2010-05-27

Method For Cooling A Cryogenic Exchange Line

#137
20100071412
2010-03-25

Method and apparatus for producing high purity oxygen

#138
20100058805
2010-03-11

Air separation refrigeration supply method

#139
20090314031
2009-12-24

Air separation process and apparatus using cryogenic distillation

#140
20090293539
2009-12-03

Method And Apparatus For Producing Carbon Monoxide By Cryogenic Distillation

#141
20090259081
2009-10-15

Method and system for reducing heating value of natural gas

#142
20090223247
2009-09-10

Method of generating nitrogen and apparatus for use in the same

#143
20090199590
2009-08-13

METHOD AND APPARATUS FOR COMPRESSING A NATURAL GAS STREAM

#144
20090199579
2009-08-13

Process for cooling a storage container

#145
20090188278
2009-07-30

Method for purifying and separating a krypton-xenon mixture by rectification and a device for carrying out said method

#146
20090107177
2009-04-30

PROCESS AND DEVICE FOR LOW TEMPERATURE AIR FRACTIONATION

#147
20090071814
2009-03-19

Method for concentrating heavy nitrogen isotope

#148
20090071190
2009-03-19

CLOSED CYCLE MIXED REFRIGERANT SYSTEMS

#149
20090007595
2009-01-08

Low temperature air separation process for producing pressurized gaseous product

#150
20080289362
2008-11-27

PROCESS AND APPARATUS FOR LOW-TEMPERATURE AIR FRACTIONATION

#151
20080271481
2008-11-06

Air Separating Device by Means of Cryogenic Distillation

#152
20080264101
2008-10-30

Process and Apparatus for Nitrogen Production

#153
20080202160
2008-08-28

Method and device for fractionated cryocondensation

#154
20080127676
2008-06-05

Method and apparatus for production of high-pressure nitrogen from air by cryogenic distillation

#155
20080066494
2008-03-20

Light component separation from a carbon dioxide mixture

#156
20080028770
2008-02-07

Method and device for cryocondensation

#157
20070130992
2007-06-14

Cyrogenic Air Separation Process and Apparatus

#158
20070006599
2007-01-11

Apparatus and method for cooling super conductive body

#159
20060272352
2006-12-07

Air separator

#160
20060254311
2006-11-16

Process and installation for supplying gaseous carbon monoxide and/or a gaseous mixture containing at least 10% carbon monoxide

#161
20060218967
2006-10-05

Integrated process and apparatus for the separation of air

#162
20060213224
2006-09-28

Process and installation for the fractionation of air into specific gases

#163
20060213221
2006-09-28

Method and apparatus for generating a high pressure fluid

#164
20060101851
2006-05-18

Light component separation from a carbon dioxide mixture

#165
20060074132
2006-04-06

Process and apparatus for the production of hydrocarbon compounds from methane

#166
20060010912
2006-01-19

Low temperature air separation process for producing pressurized gaseous product

#167
20060000702
2006-01-05

Method for separating a krypton-xenon concentrate and a device for carrying out said method

#168
20060000615
2006-01-05

Infrastructure-independent deepwater oil field development concept

#169
20060000222
2006-01-05

Apparatus for producing slush nitrogen and method for producing the same

#170
20050235693
2005-10-27

Method and apparatus for accumulating hyperpolarized xenon

#171
20050210916
2005-09-29

Process and apparatus for the cryogenic separation of air

#172
20050132746
2005-06-23

Cryogenic air separation process and apparatus

#173
20050107480
2005-05-19

Installation and method for producing and disaggregating synthesis gases from natural gas

#174
20050076672
2005-04-14

Plant and method for fractionating and purifying synthesis gas

#175
20050072187
2005-04-07

Methods and systems for optimizing argon recovery in an air separation unit

#176
20050061028
2005-03-24

System for liquefying or freezing xenon