ClassID:

160338

F25J2200/30 - CPC Classification

Classification description:

Processes or apparatus using separation by rectification using a side column in a single pressure column system

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

METHODS AND CONFIGURATION FOR RETROFITTING NGL PLANT FOR HIGH ETHANE RECOVERY

#2
20230349633
2023-11-02

Methods and configuration for retrofitting NGL plant for high ethane recovery

#3
20220412649
2022-12-29

METHOD FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CARBON DIOXIDE WITH REMOVAL OF THE AIR IMPURITIES PRESENT IN THE METHANE

#4
20220325952
2022-10-13

METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT ARGON

#5
20200284507
2020-09-10

Methods for providing refrigeration in natural gas liquids recovery plants

#6
20200141639
2020-05-07

Methods and configuration for retrofitting NGL plant for high ethane recovery

#7
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

#8
20190293347
2019-09-26

METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT ARGON

#9
20190219328
2019-07-18

Heat exchange mechanism for removing contaminants from a hydrocarbon vapor stream

#10
20190170435
2019-06-06

Hydrocarbon Gas Processing

#11
20190003766
2019-01-03

System and method for rare gas recovery

#12
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#13
20180347899
2018-12-06

Hydrocarbon gas processing

#14
20180347898
2018-12-06

Hydrocarbon gas processing

#15
20180320961
2018-11-08

OPTIMIZATION OF A PROCESS FOR DENITROGENATION OF A NATURAL GAS STREAM

#16
20180320960
2018-11-08

REFLUX OF DEMETHENIZATION COLUMNS

#17
20180080710
2018-03-22

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

#18
20180080709
2018-03-22

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

#19
20180080708
2018-03-22

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

#20
20170370640
2017-12-28

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

#21
20170336138
2017-11-23

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

#22
20170268820
2017-09-21

System and method for argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#23
20170205142
2017-07-20

Method for obtaining an air product in an air separation plant and air separation plant

#24
20170122661
2017-05-04

System and method for argon recovery from the tail gas of an ammonia production plant

#25
20170089638
2017-03-30

Treatment plant for hydrocarbon gas having variable contaminant levels

#26
20160377341
2016-12-29

HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FORMED BY COMBINING A PORTION OF COLUMN RESIDUE GAS WITH A DISTILLATION VAPOR STREAM WITHDRAWN FROM THE SIDE OF THE COLUMN

#27
20160370109
2016-12-22

Method for producing a flow rich in methane and a flow rich in C2hydrocarbons, and associated installation

#28
20160258675
2016-09-08

SPLIT FEED ADDITION TO ISO-PRESSURE OPEN REFRIGERATION LPG RECOVERY

#29
20160187061
2016-06-30

Accumulation and melt tray assembly for a distillation tower

#30
20160138864
2016-05-19

Liquid collection system

#31
20160138863
2016-05-19

Heat exchange mechanism for removing contaminants from a hydrocarbon vapor stream

#32
20160116210
2016-04-28

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

#33
20160010917
2016-01-14

Method and system for separating fluids in a distillation tower

#34
20150300735
2015-10-22

Method and system for starting up a distillation tower

#35
20150253074
2015-09-10

Hydrocarbon gas processing

#36
20150184932
2015-07-02

Process for recovering hydrocarbons from crude carbon dioxide fluid

#37
20150159947
2015-06-11

Method and device for separating hydrocarbons and contaminants with a heating mechanism to destabilize and/or prevent adhesion of solids

#38
20150159946
2015-06-11

Method and system of modifying a liquid level during start-up operations

#39
20150159945
2015-06-11

Method of removing solids by modifying a liquid level in a distillation tower

#40
20150159944
2015-06-11

Method and device for separating a feed stream using radiation detectors

#41
20150159943
2015-06-11

Method and device for separating hydrocarbons and contaminants with a spray assembly

#42
20150159941
2015-06-11

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

#43
20150159940
2015-06-11

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

#44
20150159939
2015-06-11

Method and system of maintaining a liquid level in a distillation tower

#45
20150158796
2015-06-11

Method and system for separating a feed stream with a feed stream distribution mechanism

#46
20150114032
2015-04-30

Purification of carbon dioxide

#47
20140338396
2014-11-20

Methods for separating hydrocarbon gases

#48
20140182331
2014-07-03

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

#49
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#50
20120111051
2012-05-10

Carbon dioxide removal process

#51
20120067081
2012-03-22

Process And Plant For Recovering Argon In A Separation Unit For A Purge Gas Used In The Synthesis Of Ammonia

#52
20120047946
2012-03-01

Method for separating off nitrogen from natural gas

#53
20110232328
2011-09-29

Hydrocarbon gas processing

#54
20110067443
2011-03-24

Hydrocarbon Gas Processing

#55
20110067442
2011-03-24

Hydrocarbon gas processing featuring a compressed reflux stream formed by combining a portion of column residue gas with a distillation vapor stream withdrawn from the side of the column

#56
20110067441
2011-03-24

Hydrocarbon Gas Processing

#57
20110048067
2011-03-03

Natural gas liquefaction method with high-pressure fractionation

#58
20110005273
2011-01-13

Method for producing a flow rich in methane and a flow rich in C hydrocarbons, and associated installation

#59
20100287984
2010-11-18

Hydrocarbon gas processing including a single equipment item processing assembly

#60
20100287983
2010-11-18

Hydrocarbon gas processing

#61
20100287982
2010-11-18

Liquefied Natural Gas and Hydrocarbon Gas Processing

#62
20100275647
2010-11-04

Hydrocarbon gas processing

#63
20100217059
2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#64
20100024477
2010-02-04

Integrated NGL Recovery And Liquefied Natural Gas Production

#65
20080308273
2008-12-18

System for separating a waste material from a produced gas and injecting the waste material into a well

#66
20080307966
2008-12-18

System for separating carbon dioxide from a produced gas with a methanol removal system

#67
20080307962
2008-12-18

System for separating carbon dioxide and hydrocarbon gas from a produced gas

#68
20080307706
2008-12-18

System for separating carbon dioxide and hydrocarbon gas from a produced gas combined with nitrogen

#69
20080305019
2008-12-11

System for separating a waste material and hydrocarbon gas from a produced gas and injecting the waste material into a well

#70
20080302240
2008-12-11

System for dehydrating and cooling a produced gas to remove natural gas liquids and waste liquids

#71
20080302239
2008-12-11

System for separating a waste liquid and a hydrocarbon gas from a produced gas

#72
20080302012
2008-12-11

System for separating a waste liquid from a produced gas and injecting the waste liquid into a well

#73
20080190136
2008-08-14

Hydrocarbon gas processing

#74
20080190025
2008-08-14

Natural gas processing system

#75
20080141712
2008-06-19

Integrated olefin recovery process

#76
20080078205
2008-04-03

Hydrocarbon Gas Processing

#77
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#78
20060283207
2006-12-21

Hydrocarbon gas processing

#79
20060260355
2006-11-23

Integrated NGL recovery and liquefied natural gas production

#80
20060032269
2006-02-16

Hydrocarbon gas processing

#81
20060005573
2006-01-12

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

#82
20050255012
2005-11-17

Low pressure NGL plant configurations

#83
20050247078
2005-11-10

Natural gas liquefaction

#84
20050047995
2005-03-03

Recovery of hydrogen from refinery and petrochemical light ends streams