ClassID:

160531

F25J2270/66 - CPC Classification

Classification description:

Refrigeration techniques used Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons

Recent Application in this class:
#1
20260146788
2026-05-28

Compressor-Energized Refrigerant Isolation Valves

#2
20260055957
2026-02-26

METHODS FOR SEPARATING NITROGEN

#3
20250230975
2025-07-17

INTEGRATED LIQUEFIED NATURAL GAS (LNG) PRODUCTION FACILITY ON A GRAVITY-BASED STRUCTURE (GBS)

#4
20240410647
2024-12-12

Dehydration Separation Unit with Mixed Refrigerant Cooling

#5
20240393041
2024-11-28

INSTALLATION AND METHOD FOR THE LIQUEFACTION OF HYDROGEN

#6
20240318909
2024-09-26

METHODS FOR OPERATING HYDROCARBON REMOVAL SYSTEMS FROM NATURAL GAS STREAMS

#7
20240230221
2024-07-11

SYSTEM AND METHOD FOR CO-PRODUCTION OF A DENSIFIED LIQUID OXYGEN PRODUCT AND DENSIFIED LIQUID METHANE PRODUCT

#8
20240068745
2024-02-29

An Advanced Method of Heavy Hydrocarbon Removal and Natural Gas Liquefaction Using Closed-Loop Refrigeration System

#9
20230408187
2023-12-21

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CORRESPONDING PLANT

#10
20230113414
2023-04-13

Dehydrogenation Separation Unit with Mixed Refrigerant Cooling

#11
20220373254
2022-11-24

Mixed refrigerant system and method

#12
20220228802
2022-07-21

Dehydrogenation separation unit with mixed refrigerant cooling

#13
20220074654
2022-03-10

Method to control the cooldown of main heat exchangers in liquefied natural gas plant

#14
20210396465
2021-12-23

MIXED REFRIGERANT SYSTEM FOR NATURAL GAS PROCESSING

#15
20210364231
2021-11-25

Advanced method of heavy hydrocarbon removal and natural gas liquefaction using closed-loop refrigeration system

#16
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#17
20210148632
2021-05-20

Dehydrogenation separation unit with mixed refrigerant cooling

#18
20200318897
2020-10-08

CO2 Removal or Capture from CO2-rich Gas Mixtures

#19
20200248962
2020-08-06

Mixed refrigerant system and method

#20
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#21
20200109893
2020-04-09

Dehydrogenation separation unit with mixed refrigerant cooling

#22
20190331415
2019-10-31

Ethylene plant refrigeration system

#23
20190331413
2019-10-31

Method and system for cooling a hydrocarbon stream using a gas phase refrigerant

#24
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

#25
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#26
20190195555
2019-06-27

System and method for operating a liquefaction train

#27
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#28
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#29
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#30
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#31
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#32
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#33
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#34
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#35
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#36
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#37
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#38
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#39
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#40
20190078820
2019-03-14

Mixed refrigerant condenser outlet manifold separator

#41
20180356150
2018-12-13

METHOD FOR OPTIMISING LIQUEFACTION OF NATURAL GAS

#42
20180283775
2018-10-04

CYROGENIC SEPARATION OF LIGHT OLEFINS AND METHANE FROM SYNGAS

#43
20180274853
2018-09-27

GAS PLANT

#44
20180208855
2018-07-26

Method for purifying a gas rich in hydrocarbons

#45
20180100694
2018-04-12

Multiple pressure mixed refrigerant cooling process and system

#46
20180087832
2018-03-29

Mixed refrigerant cooling process and system

#47
20180051928
2018-02-22

System and method for liquefying natural gas with turbine inlet cooling

#48
20170350646
2017-12-07

Process for purifying natural gas and liquefying carbon dioxide

#49
20170336138
2017-11-23

INTEGRATED PROCESS FOR NGL (NATURAL GAS LIQUIDS RECOVERY) AND LNG (LIQUEFACTION OF NATURAL GAS)

#50
20170336137
2017-11-23

Systems and methods for LNG production with propane and ethane recovery

#51
20170336136
2017-11-23

Liquefaction method and system

#52
20170307291
2017-10-26

Low pressure ethane liquefaction and purification from a high pressure liquid ethane source

#53
20170292077
2017-10-12

Systems and methods for controlling, monitoring, and operating remote oil and gas field equipment over a data network with applications to raw natural gas processing and flare gas capture

#54
20170284737
2017-10-05

Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation

#55
20170160009
2017-06-08

Gas liquefaction plant

#56
20170122660
2017-05-04

De-superheater system and compression system employing such de-superheater system, and method of producing a pressurized and at least partially condensed mixture of hydrocarbons

#57
20170102182
2017-04-13

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

#58
20170074583
2017-03-16

Method and system to control the methane mass flow rate for the production of liquefied methane gas (LMG)

#59
20170051968
2017-02-23

Integrated pre-cooled mixed refrigerant system and method

#60
20170030633
2017-02-02

SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GAS

#61
20170010043
2017-01-12

Mixed refrigerant system and method

#62
20160341471
2016-11-24

Integrated pre-cooled mixed refrigerant system and method

#63
20160282043
2016-09-29

Method of cooling using extended binary refrigeration system

#64
20160116210
2016-04-28

Method and system of controlling a temperature within a melt tray assembly of a distillation tower

#65
20150377551
2015-12-31

Process and system for removing nitrogen from LNG

#66
20150368566
2015-12-24

Systems and methods for controlling, monitoring, and operating remote oil and gas field equipment over a data network with applications to raw natural gas processing and flare gas capture

#67
20150308738
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using refrigerated heat pump

#68
20150308736
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using dedicated reinjection circuit

#69
20150260451
2015-09-17

Liquefied natural gas facility employing an optimized mixed refrigerant system

#70
20150233633
2015-08-20

LNG recovery from syngas using a mixed refrigerant

#71
20140182331
2014-07-03

Integrated process for NGL (natural gas liquids recovery) and LNG (liquefaction of natural gas)

#72
20130213087
2013-08-22

NGL recovery from natural gas using a mixed refrigerant

#73
20130098103
2013-04-25

Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor

#74
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

#75
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#76
20130008204
2013-01-10

Refrigeration process

#77
20120137726
2012-06-07

NGL recovery from natural gas using a mixed refrigerant

#78
20120085128
2012-04-12

Method for Recovery of Propane and Heavier Hydrocarbons

#79
20120085127
2012-04-12

Method for enhanced recovery of ethane, olefins, and heavier hydrocarbons from low pressure gas

#80
20120079841
2012-04-05

Refrigeration process and system for recovering cold from methane by refrigerants

#81
20120060554
2012-03-15

METHOD FOR SEPARATING OFF NITROGEN AND HYDROGEN FROM NATURAL GAS

#82
20120031143
2012-02-09

PROCESS AND APPARTUS FOR REMOVING GASEOUS CONTAMINANTS FROM GAS STREAM COMPRISING GASEOUS CONTAMINANTS

#83
20120006055
2012-01-12

PROCESS AND APPARATUS FOR SEPARATING A GASEOUS PRODUCT FROM A FEED STREAM COMPRISING CONTAMINANTS

#84
20120000243
2012-01-05

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

#85
20110289963
2011-12-01

Process for separating nitrogen from a natural gas stream with nitrogen stripping in the production of liquefied natural gas

#86
20110232327
2011-09-29

Method for Processing Off Gas

#87
20110226008
2011-09-22

Integrated pre-cooled mixed refrigerant system and method

#88
20110192192
2011-08-11

PROCESS FOR REMOVING GASEOUS CONTAMINANTS FROM A FEED GAS STREAM COMPRISING METHANE AND GASEOUS CONTAMINANTS

#89
20110192190
2011-08-11

PROCESS FOR REMOVING GASEOUS CONTAMINANTS FROM A FEED GAS STREAM COMPRISING METHANE AND GASEOUS CONTAMINANTS

#90
20110167869
2011-07-14

Process and apparatus for removing gaseous contaminants from gas stream comprising gaseous contaminants

#91
20110146342
2011-06-23

METHOD OF COOLING USING EXTENDED BINARY REFRIGERATION SYSTEM

#92
20110132034
2011-06-09

TWO STAGE PROCESS FOR PRODUCING PURIFIED GAS

#93
20100319877
2010-12-23

Removable Flow Diversion Baffles for Liquefied Natural Gas Heat Exchangers

#94
20100281916
2010-11-11

PROCESS FOR THE PURIFICATION OF AN HYDROCARBON GAS STREAM BY FREEZING OUT AND SEPARATING THE SOLIDIFIED ACIDIC CONTAMINANTS

#95
20100147022
2010-06-17

PROCESS AND APPARATUS FOR REMOVAL OF SOUR SPECIES FROM A NATURAL GAS STREAM

#96
20100037655
2010-02-18

Hydrogen Recovery From A Mixture Of Hydrogen and Hydrocarbons At Low Pressure And Of Low Hydrogen Content

#97
20100024477
2010-02-04

Integrated NGL Recovery And Liquefied Natural Gas Production

#98
20100000254
2010-01-07

METHOD OF PRODUCING GAS HYDRATE

#99
20090293538
2009-12-03

NATURAL GAS LIQUEFACTION

#100
20090205367
2009-08-20

Combined synthesis gas separation and LNG production method and system

#101
20090112037
2009-04-30

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#102
20080223075
2008-09-18

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#103
20080028790
2008-02-07

Natural gas liquefaction

#104
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#105
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#106
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

#107
20070149838
2007-06-28

Method for adjusting the high heating value of gas in the LNG chain

#108
20070095099
2007-05-03

Method for processing a stream of LNG obtained by means of cooling using a first refrigeration cycle and associated installation

#109
20060260355
2006-11-23

Integrated NGL recovery and liquefied natural gas production

#110
20060021377
2006-02-02

Refrigeration system

#111
20060000702
2006-01-05

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

#112
20050268649
2005-12-08

Natural gas liquefaction

#113
20050247078
2005-11-10

Natural gas liquefaction

#114
20050198998
2005-09-15

Refrigeration system

#115
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#116
20050044886
2005-03-03

Process for production of isotopes