ClassID:

160418

F25J2215/62 - CPC Classification

Classification description:

Processes characterised by the type or other details of the product stream Ethane or ethylene

Recent Application in this class:
#1
20260118053
2026-04-30

METHODS AND CONFIGURATION FOR RETROFITTING NGL PLANT FOR HIGH ETHANE RECOVERY

#2
20260118052
2026-04-30

LIQUIFIED NATURAL GAS PROCESSING COLD BOX WITH INTERNAL REFRIGERANT STORAGE

#3
20260043606
2026-02-12

DYNAMIC CONTROL OF REFLUX RATE IN HYDROCARBON DISTILLATION

#4
20260036367
2026-02-05

SYSTEMS AND METHODS FOR REMOVING NITROGEN DURING LIQUEFACTION OF NATURAL GAS

#5
20250327618
2025-10-23

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

#6
20250264273
2025-08-21

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

#7
20250083088
2025-03-13

METHODS OF BUTANE DELIVERY

#8
20240377128
2024-11-14

INTEGRATED LIQUID RECOVERY PROCESS IN LNG PROCESSES

#9
20240318910
2024-09-26

SYSTEM AND METHOD FOR IMPROVING PROPANE RECOVERY AND ETHANE REJECTION IN A GSP/ EXPANDER SYSTEM

#10
20240219115
2024-07-04

DYNAMIC RATE LIMITER FOR LOAD SHARING APPLICATION

#11
20240200869
2024-06-20

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

#12
20240191941
2024-06-13

ETHANE SEPARATION WITH OVERHEAD CRYOGENIC HEAT EXCHANGER

#13
20240190791
2024-06-13

SEPARATION OF HYDROGEN, METHANE, ETHANE, AND PROPANE IN NAPHTHA TO ETHANE AND PROPANE FRACTIONATION SECTION BASED ON A DIVIDING WALL FRACTIONATION COLUMN INTEGRATION

#14
20240067590
2024-02-29

Reflux arrangement for distillation columns

#15
20240019206
2024-01-18

CRYOGENIC PROCESS FOR RECOVERING VALUABLE COMPONENTS FROM A HYDROGEN-RICH FEED GAS

#16
20230408191
2023-12-21

METHOD FOR EXTRACTING ETHANE FROM AN INITIAL NATURAL GAS STREAM AND CORRESPONDING PLANT

#17
20230375263
2023-11-23

GAS PROCESSING METHODOLOGY UTILIZING REFLUX AND ADDITIONALLY SYNTHESIZED STREAM OPTIMIZATION

#18
20230349633
2023-11-02

Methods and configuration for retrofitting NGL plant for high ethane recovery

#19
20230194162
2023-06-22

DYNAMIC LEAK DETECTION SYSTEM IN PROPANE HEAT EXCHANGERS

#20
20230160632
2023-05-25

LIQUEFACTION AND SUBCOOLING SYSTEM AND METHOD

#21
20230085037
2023-03-16

System and method for preventing total plant shutdown due to low temperature excursion

#22
20230076753
2023-03-09

LIQUIFIED NATURAL GAS PROCESSING COLD BOX WITH INTERNAL REFRIGERANT STORAGE

#23
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

#24
20220316798
2022-10-06

ETHANE SEPARATION WITH CRYOGENIC HEAT EXCHANGER

#25
20220316796
2022-10-06

Method Of Cooling Boil Off Gas And An Apparatus Therefor

#26
20220252343
2022-08-11

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

#27
20220163257
2022-05-26

Hydrocarbon gas processing

#28
20210381760
2021-12-09

Phase implementation of natural gas liquid recovery plants

#29
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#30
20210180862
2021-06-17

CRACKER MODULAR PROCESSING FACILITY

#31
20210172676
2021-06-10

Preparing hydrocarbon streams for storage

#32
20210140710
2021-05-13

SYSTEMS AND METHODS FOR REMOVING NITROGEN DURING LIQUEFACTION OF NATURAL GAS

#33
20210131728
2021-05-06

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

#34
20210116174
2021-04-22

HYDROCARBON GAS PROCESSING

#35
20210102133
2021-04-08

Natural gas liquids recovery process

#36
20210053889
2021-02-25

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#37
20200386475
2020-12-10

Method to recover LPG and condensates from refineries fuel gas streams

#38
20200284507
2020-09-10

Methods for providing refrigeration in natural gas liquids recovery plants

#39
20200224558
2020-07-16

NATURAL GAS LIQUID FRACTIONATION PLANT WASTE HEAT CONVERSION TO POWER USING DUAL TURBINES ORGANIC RANKINE CYCLE

#40
20200200471
2020-06-25

Multi-product liquefaction method and system

#41
20200173735
2020-06-04

Natural gas liquid fractionation plant waste heat conversion to simultaneous cooling capacity and potable water using Kalina cycle and modified multi-effect distillation system

#42
20200149827
2020-05-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and cooling capacities using modified Goswami system

#43
20200141639
2020-05-07

Methods and configuration for retrofitting NGL plant for high ethane recovery

#44
20200116427
2020-04-16

OVERHEAD RECYCLE PROCESS APPARATUS AND METHOD OF OVERHEAD RECYCLE PROCESSING OF HYDROCARBONS

#45
20200080447
2020-03-12

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using kalina cycle and modified multi-effect-distillation system

#46
20200064064
2020-02-27

System and Method for Natural Gas Liquid Production with Flexible Ethane Recovery or Rejection

#47
20200032677
2020-01-30

Natural gas liquid fractionation plant waste heat conversion to potable water using modified multi-effect distillation system

#48
20200031736
2020-01-30

Process for separating hydrocarbon compounds

#49
20200003490
2020-01-02

Mixing and heat integration of melt tray liquids in a cryogenic distillation tower

#50
20190346202
2019-11-14

Process for the production of dilute ethylene

#51
20190257316
2019-08-22

System and method for preventing total plant shutdown due to low temperature excursion

#52
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

#53
20190203667
2019-07-04

Gas treatment system and vessel including the same

#54
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#55
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#56
20190186829
2019-06-20

PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY

#57
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#58
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#59
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#60
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#61
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#62
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#63
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#64
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#65
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#66
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#67
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#68
20190177246
2019-06-13

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#69
20190120550
2019-04-25

Phase implementation of natural gas liquid recovery plants

#70
20190078840
2019-03-14

Multi-product liquefaction method and system

#71
20190049192
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous cooling capacity and potable water using kalina cycle and modified multi-effect distillation system

#72
20190049191
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to power using Kalina cycle

#73
20190049176
2019-02-14

METHODS FOR PROVIDING REFRIGERATION IN NATURAL GAS LIQUIDS RECOVERY PLANTS

#74
20190049175
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using organic Rankine cycle and modified multi-effect-distillation systems

#75
20190048759
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to cooling capacity using kalina cycle

#76
20190048757
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to power using dual turbines organic Rankine cycle

#77
20190048756
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to power using organic Rankine cycle

#78
20190048754
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to potable water using modified multi-effect distillation system

#79
20190048751
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using Kalina cycle and modified multi-effect-distillation system

#80
20190041126
2019-02-07

Systems and methods for multi-stage refrigeration

#81
20180347899
2018-12-06

Hydrocarbon gas processing

#82
20180347898
2018-12-06

Hydrocarbon gas processing

#83
20180328659
2018-11-15

METHODS FOR RECOVERING NITROGEN FROM PROCESS GAS STREAMS

#84
20180328658
2018-11-15

METHODS FOR PRODUCING PRESSURIZED ALKENE GAS

#85
20180328657
2018-11-15

METHODS FOR PRODUCING PRESSURIZED ALKENE GAS

#86
20180328656
2018-11-15

METHODS FOR RECOVERING ALKENES FROM PROCESS GAS STREAMS

#87
20180328654
2018-11-15

METHODS FOR RECOVERING ALKENES AND NITROGEN FROM PROCESS GAS STREAMS

#88
20180320637
2018-11-08

Gas processing system and vessel including the same

#89
20180306498
2018-10-25

Method and system for preparing a lean methane-containing gas stream

#90
20180274854
2018-09-27

Systems and Methods for Recovering Desired Light Hydrocarbons from Refinery Waste Gas Using a Back-End Turboexpander

#91
20180238236
2018-08-23

Charge gas compression train for ethylene

#92
20180231304
2018-08-16

Systems and methods for multi-stage refrigeration

#93
20180224203
2018-08-09

Separating carbon dioxide and ethane from a mixed stream

#94
20180186632
2018-07-05

Method and system for obtaining hydrogen from a feed mixture which contains hydrogen and hydrocarbons

#95
20180073803
2018-03-15

Process for the production of dilute ethylene

#96
20180051929
2018-02-22

System and Method to Integrate Condensed Water with Improved Cooler Performance

#97
20180051928
2018-02-22

System and method for liquefying natural gas with turbine inlet cooling

#98
20170343280
2017-11-30

Refrigerant vent rectifier and efficiency booster

#99
20170341997
2017-11-30

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#100
20170336137
2017-11-23

Systems and methods for LNG production with propane and ethane recovery

#101
20170307291
2017-10-26

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

#102
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

#103
20170276427
2017-09-28

Systems And Methods For Enhanced Recovery Of NGL Hydrocarbons

#104
20170275217
2017-09-28

PROCESS FOR SEPARATING HYDROCARBON COMPOUNDS

#105
20170261257
2017-09-14

HEAT PUMP ON C2 SPLITTER BOTTOM TO UNLOAD PROPYLENE REFRIGERATION

#106
20170248364
2017-08-31

Process for increasing ethylene and propylene yield from a propylene plant

#107
20170234613
2017-08-17

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone

#108
20170219281
2017-08-03

METHOD AND SYSTEM FOR RECOVERY OF METHANE FROM HYDROCARBON STREAMS

#109
20170198967
2017-07-13

Separation method and separation process system for recovering ethylene

#110
20170176099
2017-06-22

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

#111
20170051970
2017-02-23

Ethane recovery and ethane rejection methods and configurations

#112
20160362352
2016-12-15

Recovery of ethylene from methanol to olefins process

#113
20160348964
2016-12-01

Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant

#114
20160327336
2016-11-10

Preparing hydrocarbon streams for storage

#115
20160319206
2016-11-03

Method for separating a hydrocarbon mixture, separating plant and steam cracking plant

#116
20160282043
2016-09-29

Method of cooling using extended binary refrigeration system

#117
20160258676
2016-09-08

Method for fractionating a stream of cracked gas, using an intermediate recirculation current, and related plant

#118
20160258675
2016-09-08

SPLIT FEED ADDITION TO ISO-PRESSURE OPEN REFRIGERATION LPG RECOVERY

#119
20160231052
2016-08-11

Methods and configuration of an NGL recovery process for low pressure rich feed gas

#120
20160187058
2016-06-30

Ethane recovery methods and configurations

#121
20160097589
2016-04-07

Apparatus for ethane liquefaction with demethanization

#122
20160097588
2016-04-07

Method for ethane liquefaction with demethanization

#123
20160097587
2016-04-07

Apparatus for ethane liquefaction with demethanization

#124
20160097586
2016-04-07

Method for ethane liquefaction with demethanization

#125
20160009609
2016-01-14

Methanol to olefins process

#126
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

#127
20150368167
2015-12-24

Process for separating hydrocarbon compounds

#128
20150300733
2015-10-22

Nitrogen removal with ISO-pressure open refrigeration natural gas liquids recovery

#129
20150267131
2015-09-24

NOremoval method

#130
20150143842
2015-05-28

Method to recover LPG and condensates from refineries fuel gas streams

#131
20150135767
2015-05-21

Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle

#132
20150120066
2015-04-30

System and method for preventing total plant shutdown due to low temperature excursion

#133
20150013377
2015-01-15

Separating carbon dioxide and ethane from a mixed stream

#134
20140275674
2014-09-18

Methods and systems for separating olefins

#135
20140260420
2014-09-18

Flexible NGL recovery methods and configurations

#136
20140171707
2014-06-19

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#137
20140130541
2014-05-15

Nitrogen removal with ISO-pressure open refrigeration natural gas liquids recovery

#138
20140075986
2014-03-20

Production of ethane for start-up of an LNG train

#139
20140007616
2014-01-09

Ethane recovery and ethane rejection methods and configurations

#140
20130225884
2013-08-29

Process for separating hydrocarbon compounds

#141
20130219957
2013-08-29

ISO-pressure open refrigeration NGL recovery

#142
20130213088
2013-08-22

Systems and methods for separating hydrocarbons using one or more dividing wall columns

#143
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

#144
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#145
20120304690
2012-12-06

ISO-pressure open refrigeration NGL recovery

#146
20120302807
2012-11-29

METHANE REJECTION AND ETHYLENE RECOVERY

#147
20120266630
2012-10-25

Method for fractionating a stream of cracked gas to obtain an ethylene-rich cut and a stream of fuel, and related installation

#148
20120240615
2012-09-27

Methanol to olefins process

#149
20120151962
2012-06-21

Ethylene Recovery From Off-Gas

#150
20120047943
2012-03-01

Process for natural gas liquefaction

#151
20120042690
2012-02-23

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

#152
20120017639
2012-01-26

METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES

#153
20110277497
2011-11-17

METHOD AND APPARATUS FOR PROCESSING HYDROCARBON LIQUEFIED GAS

#154
20110265511
2011-11-03

NATURAL GAS LIQUEFACTION METHOD WITH ENHANCED PROPANE RECOVERY

#155
20110146342
2011-06-23

METHOD OF COOLING USING EXTENDED BINARY REFRIGERATION SYSTEM

#156
20110132033
2011-06-09

Conditioning an ethane-rich stream for storage and transportation

#157
20110116991
2011-05-19

Propylene recovery during regeneration of an oxygenate removal unit

#158
20110077439
2011-03-31

Process for the production of low-concentration ethylene for chemical use

#159
20110048067
2011-03-03

Natural gas liquefaction method with high-pressure fractionation

#160
20110041550
2011-02-24

PROCESS AND APPARATUS FOR THE SEPARATION OF LIGHT-BOILING COMPONENTS FROM HYDROCARBON MIXTURES

#161
20110036120
2011-02-17

METHOD AND APPARATUS FOR RECOVERING AND FRACTIONATING A MIXED HYDROCARBON FEED STREAM

#162
20110023536
2011-02-03

Method and apparatus for cooling a hydrocarbon stream

#163
20100223950
2010-09-09

Nitrogen removal with iso-pressure open refrigeration natural gas liquids recovery

#164
20100217059
2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#165
20100161133
2010-06-24

Dynamic constrained optimization of chemical manufacturing

#166
20100139317
2010-06-10

METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR

#167
20100126187
2010-05-27

Configurations and methods for offshore LNG regasification and heating value conditioning

#168
20100115993
2010-05-13

PROCESS FOR REMOVING MERCAPTANS FROM LIQUEFIED NATURAL GAS

#169
20100108487
2010-05-06

Dividing wall column with a heat pump

#170
20100071410
2010-03-25

DISTILLATION PROCESS USING MICROCHANNEL TECHNOLOGY

#171
20100037655
2010-02-18

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

#172
20100012015
2010-01-21

Storage tank containing liquefied natural gas with butane

#173
20100011810
2010-01-21

NGL Recovery Methods and Configurations

#174
20100011809
2010-01-21

Ethane recovery methods and configurations

#175
20100000234
2010-01-07

METHOD AND APPARATUS FOR THE VAPORIZATION OF A LIQUID HYDROCARBON STREAM

#176
20090282864
2009-11-19

ISO-pressure open refrigeration NGL recovery

#177
20090277219
2009-11-12

Configurations and methods for offshore LNG regasification and BTU control

#178
20090277218
2009-11-12

Method and apparatus for liquefying a natural gas stream

#179
20090249829
2009-10-08

Method for selective extraction of natural gas liquids from “rich” natural gas

#180
20090221864
2009-09-03

High Ethane Recovery Configurations And Methods In LNG Regasification Facility

#181
20090211296
2009-08-27

METHOD AND APPARATUS FOR SEPARATING A FRACTION RICH IN C2+ FROM LIQUEFIED NATURAL GAS

#182
20090199759
2009-08-13

Storage tank containing liquefied natural gas with butane

#183
20090199591
2009-08-13

LIQUEFIED NATURAL GAS WITH BUTANE AND METHOD OF STORING AND PROCESSING THE SAME

#184
20090149688
2009-06-11

Purging of regenerated adsorbent from an oxygenate removal unit

#185
20090149687
2009-06-11

Propylene recovery during regeneration of an oxygenate removal unit

#186
20090126401
2009-05-21

Dual-refluxed heavies removal column in an LNG facility

#187
20090112037
2009-04-30

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#188
20090090049
2009-04-09

PROCESS FOR PRODUCING LIQEFIED NATURAL GAS FROM HIGH CO2 NATURAL GAS

#189
20080307789
2008-12-18

Integration of LNG regasification with refinery and power generation

#190
20080302650
2008-12-11

Process to recover low grade heat from a fractionation system

#191
20080264100
2008-10-30

Lng Regasification Configurations and Methods

#192
20080209942
2008-09-04

Process for recovering lower carbon olefins from product gas for production of olefins

#193
20080202160
2008-08-28

Method and device for fractionated cryocondensation

#194
20080190135
2008-08-14

Configurations and methods for LPG production and power cogeneration

#195
20080141713
2008-06-19

Advanced C2-splitter feed rectifier

#196
20080141712
2008-06-19

Integrated olefin recovery process

#197
20080028770
2008-02-07

Method and device for cryocondensation

#198
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#199
20070260103
2007-11-08

Low pressure olefin recovery process

#200
20070225537
2007-09-27

Process and apparatus for integrating an alkene derivative process with an ethylene process

#201
20070199865
2007-08-30

Method for cold supply to the low-temperature separation stage of an olefin plant

#202
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

#203
20070149838
2007-06-28

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

#204
20070101732
2007-05-10

Power cycle with liquefied natural gas regasification

#205
20070085227
2007-04-19

Multi-phase contacting process using microchannel technology

#206
20070062216
2007-03-22

Liquefied natural gas regasification configuration and method

#207
20070059838
2007-03-15

Dynamic constrained optimization of chemical manufacturing

#208
20070012072
2007-01-18

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

#209
20060277943
2006-12-14

Process and apparatus for separation of hydrocarbons from liquefied natural gas

#210
20060260356
2006-11-23

Liquid natural gas processing

#211
20060184254
2006-08-17

Method for creating a linear programming model of an industrial process facility

#212
20060144081
2006-07-06

Method and installation for producing treated natural gas, a C3+ hydrocarbon cut and an ethane rich stream

#213
20060135840
2006-06-22

Recovery and purification of ethylene

#214
20060021379
2006-02-02

Secondary deethanizer to debottleneck an ethylene plant

#215
20060021377
2006-02-02

Refrigeration system

#216
20060016216
2006-01-26

Distillation process using microchannel technology

#217
20060016215
2006-01-26

Distillation process using microchannel technology

#218
20060004242
2006-01-05

Low pressure olefin recovery process

#219
20050198998
2005-09-15

Refrigeration system

#220
20050155381
2005-07-21

Method and apparatus for reducing C2 and C3 at LNG receiving terminals

#221
20050154245
2005-07-14

Hydrogen recovery in a distributed distillation system

#222
18436588
2025-02-18

Fuel gas conditioning units for natural gas systems

#223
16590806
2021-01-19

Natural gas liquids recovery process