ClassID:

160366

F25J2205/50 - CPC Classification

Classification description:

Processes or apparatus using other separation and/or other processing means using absorption, i.e. with selective solvents or lean oil, heavier CnHm and including generally a regeneration step for the solvent or lean oil

Recent Application in this class:
#1
20260104199
2026-04-16

METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GAS COMPRESSION

#2
20260092734
2026-04-02

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#3
20260063359
2026-03-05

LIQUEFACTION OF NATURAL GAS FEEDS CONTAINING HYDROGEN

#4
20250327618
2025-10-23

ETHANE RECOVERY SYSTEM SUITABLE FOR RICH GAS WITH HIGH CARBON DIOXIDE CONTENT AND RECOVERY METHOD THEREFOR

#5
20250264273
2025-08-21

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

#6
20250003677
2025-01-02

Cryogenic Neon Purification System and Method

#7
20240351874
2024-10-24

Systems and methods for production and separation of hydrogen and carbon dioxide

#8
20240318907
2024-09-26

INTEGRATED REFRIGERATION SYSTEM OF A LIQUEFIED NATURAL GAS PRODUCTION PLANT COMPRISING A CARBON CAPTURE UNIT

#9
20240253987
2024-08-01

METHOD OF CAPTURING CARBON DIOXIDE FROM A STEAM METHANE REFORMER SYSTEM

#10
20240011707
2024-01-11

REMOVING HEAVY HYDROCARBONS TO PREVENT DEFROST SHUTDOWNS IN LNG PLANTS

#11
20230213276
2023-07-06

DEVICES, SYSTEMS, FACILITIES AND PROCESSES FOR CO2 CAPTURE/SEQUESTRATION AND CONVENTIONAL HYDROGEN GENERATION FROM BLAST FURNACE FACILITIES

#12
20230213275
2023-07-06

DEVICES, SYSTEMS, FACILITIES AND PROCESSES FOR CO2 CAPTURE/SEQUESTRATION AND PYROLYSIS BASED HYDROGEN GENERATION FROM BLAST FURNACE FACILITIES

#13
20230082135
2023-03-16

Apparatuses and processes for the recovery of carbon dioxide streams

#14
20230036896
2023-02-02

METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GAS COMPRESSION

#15
20220402840
2022-12-22

Process For Treating A Gas Stream From Plastic Pyrolisis And/Or Biomass Pyrolisis, And Installation For Integration Into A Steam Cracker

#16
20220389337
2022-12-08

Method and apparatus for recovering C2—C4 components in methane-containing industrial gas

#17
20220373257
2022-11-24

Pretreatment of natural gas prior to liquefaction

#18
20220307765
2022-09-29

PROCESS AND PLANT FOR PRODUCING LIQUEFIED NATURAL GAS

#19
20220260311
2022-08-18

ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX

#20
20220252343
2022-08-11

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#21
20220178609
2022-06-09

Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants

#22
20220065526
2022-03-03

LIQUID NATURAL GAS PROCESSING WITH HYDROGEN PRODUCTION

#23
20210381760
2021-12-09

Phase implementation of natural gas liquid recovery plants

#24
20210323818
2021-10-21

Systems and methods for production and separation of hydrogen and carbon dioxide

#25
20210284530
2021-09-16

Steam methane reforming unit for carbon capture

#26
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#27
20210214619
2021-07-15

Process for extracting gasoline from a gas containing condensable hydrocarbons

#28
20210131729
2021-05-06

Hydrocarbon gas processing

#29
20210116172
2021-04-22

Systems and processes for upgrading natural gas liquids from shale gas

#30
20210031139
2021-02-04

Helium recovery from gaseous streams

#31
20200386090
2020-12-10

Method to recover and process methane and condensates from flare gas systems

#32
20200370824
2020-11-26

Integrated heavy hydrocarbon and BTEX removal in LNG liquefaction for lean gases

#33
20200299134
2020-09-24

Gas-solid separating method and system for simple substance sulphur in sulphur-containing exhaust

#34
20200199046
2020-06-25

Method for recovering a stream of C2+ hydrocarbons in a residual refinery gas and associated installation

#35
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

#36
20190358582
2019-11-28

SYSTEM AND PROCESS FOR SEPARATING GAS COMPONENTS USING MEMBRANE FILTRATION TECHNOLOGY

#37
20190301795
2019-10-03

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#38
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

#39
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#40
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#41
20190186829
2019-06-20

PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY

#42
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#43
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#44
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#45
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#46
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#47
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#48
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#49
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#50
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#51
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#52
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#53
20190135626
2019-05-09

Systems and methods for production and separation of hydrogen and carbon dioxide

#54
20190128604
2019-05-02

Recuperative Heat Exchange for Desiccation of Cold Fluids

#55
20190120550
2019-04-25

Phase implementation of natural gas liquid recovery plants

#56
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#57
20180353898
2018-12-13

Helium recovery from gaseous streams

#58
20180347899
2018-12-06

Hydrocarbon gas processing

#59
20180347898
2018-12-06

Hydrocarbon gas processing

#60
20180266762
2018-09-20

Method for removing a foulant from a gas stream without external refrigeration

#61
20180266757
2018-09-20

Alternative two column HRU design with rich reflux

#62
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#63
20180252469
2018-09-06

Method for removing a foulant from a gas stream with minimal external refrigeration

#64
20180073803
2018-03-15

Process for the production of dilute ethylene

#65
20180066889
2018-03-08

Pretreatment of natural gas prior to liquefaction

#66
20180028961
2018-02-01

Process and plant for the purification of raw gases by means of physical gas scrubbing

#67
20170370640
2017-12-28

Reducing refrigeration and dehydration load for a feed stream entering a cryogenic distillation process

#68
20170350648
2017-12-07

PROCESS FOR LIQUEFYING CARBON DIOXIDE RESULTING FROM A NATURAL GAS STREAM

#69
20170336137
2017-11-23

Systems and methods for LNG production with propane and ethane recovery

#70
20170328631
2017-11-16

Natural gas liquefaction system

#71
20170320793
2017-11-09

Method and apparatus for producing hydrocarbons

#72
20170276427
2017-09-28

Systems And Methods For Enhanced Recovery Of NGL Hydrocarbons

#73
20170268819
2017-09-21

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#74
20170241709
2017-08-24

Method of removing carbon dioxide during liquid natural gas production from natural gas at gas pressure letdown stations

#75
20170176099
2017-06-22

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#76
20170122659
2017-05-04

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#77
20170122658
2017-05-04

Enhanced low temperature separation process

#78
20170102182
2017-04-13

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

#79
20160362352
2016-12-15

Recovery of ethylene from methanol to olefins process

#80
20160282044
2016-09-29

Process and apparatus for the production of CO and CO

#81
20160245587
2016-08-25

Method and apparatus for removing benzene contaminants from natural gas

#82
20160009609
2016-01-14

Methanol to olefins process

#83
20150184932
2015-07-02

Process for recovering hydrocarbons from crude carbon dioxide fluid

#84
20150159941
2015-06-11

Method and system for preventing accumulation of solids in a distillation tower

#85
20150159940
2015-06-11

Method and system of dehydrating a feed stream processed in a distillation tower

#86
20150013380
2015-01-15

Method for separating off acid gases from natural gas

#87
20140137597
2014-05-22

Process and apparatus for cooling and compressing a wet gas rich in carbon dioxide

#88
20140114110
2014-04-24

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#89
20140041412
2014-02-13

Carbon dioxide capture and liquefaction

#90
20130149226
2013-06-13

Inert gas recovery and recycle for silicon crystal growth pulling process

#91
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#92
20130055757
2013-03-07

METHOD AND SYSTEM TO PREVENT CARRY-OVER OF HYDROCARBON MIST FROM AN NGL COLUMN OF AN LNG PLANT

#93
20120297822
2012-11-29

Separation of gases

#94
20120279227
2012-11-08

Method for the capture and disposal of carbon dioxide in an energy conversion process

#95
20120272680
2012-11-01

Method and apparatus for drying and compressing CO-rich flow

#96
20120251404
2012-10-04

Purifying carbon dioxide using activated carbon

#97
20120240615
2012-09-27

Methanol to olefins process

#98
20120227442
2012-09-13

System and method for cooling a solvent for gas treatment

#99
20120204599
2012-08-16

CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM, WITH REMOVAL OF HYDROGEN SULFIDE

#100
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#101
20120174621
2012-07-12

CARBON DIOXIDE LIQUEFACTION SYSTEM

#102
20120118012
2012-05-17

SEPARATION OF GASES

#103
20120118010
2012-05-17

Separation of carbon dioxide and hydrogen

#104
20120096896
2012-04-26

Process for separating and recovering ethane and heavier hydrocarbons from LNG

#105
20120090464
2012-04-19

Capturing Carbon Dioxide From High Pressure Streams

#106
20120079852
2012-04-05

Systems and Methods for Removing Heavy Hydrocarbons and Acid Gases From a Hydrocarbon Gas Stream

#107
20120042690
2012-02-23

LNG facility with integrated NGL recovery for enhanced liquid recovery and product flexibility

#108
20120006054
2012-01-12

Carbon dioxide capture and liquefaction

#109
20110265647
2011-11-03

METHOD FOR PURIFICATION OF CARBON DIOXIDE USING LIQUID CARBON DIOXIDE

#110
20110265511
2011-11-03

NATURAL GAS LIQUEFACTION METHOD WITH ENHANCED PROPANE RECOVERY

#111
20110197629
2011-08-18

Enhanced Natural Gas Liquid Recovery Process

#112
20110192191
2011-08-11

HIGH PRESSURE PHYSICAL ABSORPTION PROCESS FOR USE IN CARBON CAPTURE IN ENERGY PRODUCTION PROCESSES

#113
20110088897
2011-04-21

Integrated enhanced oil recovery process

#114
20100275644
2010-11-04

Natural gas liquefaction plant and motive power supply equipment for same

#115
20100147022
2010-06-17

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

#116
20100083697
2010-04-08

Purifying carbon dioxide using activated carbon

#117
20100080747
2010-04-01

Purifying carbon dioxide and producing acid

#118
20100080745
2010-04-01

Multi-stage process for purifying carbon dioxide and producing acid

#119
20100024477
2010-02-04

Integrated NGL Recovery And Liquefied Natural Gas Production

#120
20090299122
2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#121
20090101007
2009-04-23

Method for recovery of carbon dioxide from a gas

#122
20090090049
2009-04-09

PROCESS FOR PRODUCING LIQEFIED NATURAL GAS FROM HIGH CO2 NATURAL GAS

#123
20090035207
2009-02-05

METHOD AND DEVICE FOR SEPARATING A GAS MIXTURE

#124
20080256977
2008-10-23

Hydrocarbon recovery and light product purity when processing gases with physical solvents

#125
20080116115
2008-05-22

Process for extracting natural gas liquids from natural gas

#126
20080115532
2008-05-22

Method And Apparatus For Producing A Liquefied Natural Gas Stream

#127
20080092589
2008-04-24

Method for the Pre-Treatment of Air Prior to the Introduction Thereof Into a Cryogenic Air Separation Unit, and Corresponding Apparatus

#128
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#129
20070260103
2007-11-08

Low pressure olefin recovery process

#130
20070012072
2007-01-18

LNG FACILITY WITH INTEGRATED NGL EXTRACTION TECHNOLOGY FOR ENHANCED NGL RECOVERY AND PRODUCT FLEXIBILITY

#131
20060260355
2006-11-23

Integrated NGL recovery and liquefied natural gas production

#132
20060213224
2006-09-28

Process and installation for the fractionation of air into specific gases

#133
20060111602
2006-05-25

Removing diamondoid components from natural gas at reduced temperatures

#134
20060043000
2006-03-02

Combined use of external and internal solvents in processing gases containing light, medium and heavy components

#135
20060005573
2006-01-12

Method for liquefying a hydrocarbon-rich flow while simultaneously obtaining a c3/c4-rich fraction

#136
20060004242
2006-01-05

Low pressure olefin recovery process

#137
20050198999
2005-09-15

Use of cryogenic temperatures in processing gases containing light components with physical solvents

#138
20050047995
2005-03-03

Recovery of hydrogen from refinery and petrochemical light ends streams