ClassID:

90744

C07C7/144 - CPC Classification

Classification description:

Purification; Separation; Use of additives using membranes, e.g. selective permeation

Recent Application in this class:
#1
20260084090
2026-03-26

SYSTEMS AND METHODS FOR A TEMPERATURE SWING ADSORPTION ADSORBENT BED

#2
20260042719
2026-02-12

SYSTEM AND METHOD FOR RECOVERING NAPHTHALENE FROM A RERUN COLUMN BOTTOM SAMPLE

#3
20260042052
2026-02-12

SYSTEMS AND METHODS FOR SEPARATING A GAS MIXTURE THAT INCLUDES ORGANIC AND INORGANIC COMPOUNDS

#4
20260008003
2026-01-08

GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS

#5
20250368590
2025-12-04

COMPOSITIONS AND METHODS FOR THE PURIFICATION OF ISOPRENOIDS

#6
20250367596
2025-12-04

SYSTEMS AND METHODS FOR BIOGAS UPGRADING USING SWEEP GAS

#7
20250353803
2025-11-20

ETHANOL BASED INTENSIFIED ETHYLENE PRODUCTION

#8
20250223246
2025-07-10

GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS

#9
20250197324
2025-06-19

AROMATIC TRANSALKYLATION PROCESS

#10
20250091017
2025-03-20

TUNABLE HYDROPHILIC CROSSLINKED POLYMER MEMBRANES FOR SEPARATION APPLICATIONS

#11
20250066537
2025-02-27

COPOLY(1,2,4-TRIAZOLE)S MEMBRANES FOR SOUR MIXED-GAS SEPARATION APPLICATIONS

#12
20250066272
2025-02-27

Low Temperature Membrane Process for Biogas Upgrading

#13
20250032992
2025-01-30

METHOD FOR HUMIDIFYING FACILITATED-TRANSPORT MEMBRANES

#14
20240352366
2024-10-24

PLANT AND PROCESS FOR PRODUCTION OF PURIFIED METHANE

#15
20240350981
2024-10-24

SELECTIVE AND HYDROGEN-STABLE FACILITATED TRANSPORT MEMBRANES FOR OLEFIN-PARAFFIN SEPARATION

#16
20240336543
2024-10-10

AROMATIC COMPOUND MANUFACTURING METHOD

#17
20240335796
2024-10-10

THIN-FILM COMPOSITE MEMBRANE AND METHODS OF MAKING AND USING THE SAME

#18
20240279141
2024-08-22

Membrane-Based Separation Processes Enhanced with an Absorption Device

#19
20240238720
2024-07-18

SYSTEMS AND METHODS TO INTEGRATE GEOTHERMAL HEAT PUMPS AND MEMBRANE SEPARATION UNITS

#20
20240149213
2024-05-09

HYDROGEN SEPARATION FROM NATURAL GAS

#21
20240051902
2024-02-15

MEMBRANE PROCESS FOR BUTADIENE EXTRACTION SOLVENT PURIFICATION

#22
20240033691
2024-02-01

SUPPORT, ZEOLITE MEMBRANE COMPLEX, METHOD OF PRODUCING ZEOLITE MEMBRANE COMPLEX, AND SEPARATION METHOD

#23
20230416174
2023-12-28

POLYMER SEPARATION MEMBRANE FOR PURIFYING METHANE

#24
20230406789
2023-12-21

Non-aromatic compound removal systems for para-xylene production

#25
20230390695
2023-12-07

PRODUCTION OF BIOMETHANE USING MULTIPLE TYPES OF MEMBRANE

#26
20230381691
2023-11-30

FILTER DEVICE AND SEPARATING APPARATUS

#27
20230373885
2023-11-23

Non-aromatic compound removal systems for para-xylene production

#28
20230338889
2023-10-26

FACILITY AND METHOD FOR PRODUCING BIOMETHANE WITH LIMITED METHANE LOSS AND LIMITED CO2 EMISSIONS

#29
20230295063
2023-09-21

Hydrocarbon extraction and/or separation processes utilizing a membrane separator

#30
20230264142
2023-08-24

GAS SEPARATION METHOD AND GAS SEPARATION APPARATUS

#31
20230220586
2023-07-13

SYSTEM AND METHOD FOR GENERATING SYNTHETIC DIAMONDS VIA ATMOSPHERIC CARBON CAPTURE

#32
20230220585
2023-07-13

SYSTEM AND METHOD FOR GENERATING SYNTHETIC DIAMONDS VIA ATMOSPHERIC CARBON CAPTURE

#33
20230219878
2023-07-13

Process for Recovering Oxidation By-Products

#34
20230219869
2023-07-13

PROCESSES FOR FRACTIONATING A GASEOUS MATERIAL WITH A FACILITATED TRANSPORT MEMBRANE

#35
20230114715
2023-04-13

SEPARATION MEMBRANE COMPLEX AND SEPARATION METHOD

#36
20230026226
2023-01-26

GAS SEPARATION METHOD AND ZEOLITE MEMBRANE

#37
20230020748
2023-01-19

METHOD FOR UPGRADING BIO-BASED MATERIAL AND UPGRADED MATERIAL

#38
20220410083
2022-12-29

Zeolite membrane complex, separation apparatus, separation method and method of producing zeolite membrane complex

#39
20220379260
2022-12-01

HUMIDIFICATION AND SELECTIVE PERMEATION MODULE

#40
20220316094
2022-10-06

System and method for generating synthetic diamonds via atmospheric carbon capture

#41
20220306948
2022-09-29

METHOD FOR PROCESSING A GASEOUS COMPOSITION

#42
20220298088
2022-09-22

Process of preparing alcohols

#43
20220290325
2022-09-15

System and method for generating synthetic diamonds via atmospheric carbon capture

#44
20220281784
2022-09-08

Non-aromatic compound removal systems for para-xylene production

#45
20220274066
2022-09-01

Gas separation elements and modules

#46
20220185747
2022-06-16

Separation method and production method of branched diolefin

#47
20220184563
2022-06-16

Zeolite membrane composite, and separation method and production method of branched diolefin using same

#48
20220144727
2022-05-12

Method and system for obtaining a butylene product

#49
20220144726
2022-05-12

Method and system for obtaining a propylene product

#50
20220134274
2022-05-05

A DEVICE AND A MEMBRANE PROCESS FOR SEPARATING GAS COMPONENTS FROM A GAS STREAM HAVING VARYING COMPOSITION OR FLOW RATE

#51
20220016575
2022-01-20

Olefins-paraffins separation process by membrane

#52
20210403397
2021-12-30

Method and system to control and maintain product quality for an olefin membrane separation

#53
20210380504
2021-12-09

Process for 1-butene production from n-butane dehydrogenation through efficient downstream separations

#54
20210370240
2021-12-02

Thin-film composite membrane and methods of making and using the same

#55
20210355051
2021-11-18

Process for maximizing 1-butene production from n-butane dehydrogenation

#56
20210348301
2021-11-11

System and method for generating synthetic diamonds via atmospheric carbon capture

#57
20210348300
2021-11-11

System and method for generating synthetic diamonds via atmospheric carbon capture

#58
20210346839
2021-11-11

Gas Permeation Process Through Crosslinked Membrane

#59
20210300843
2021-09-30

Method to produce bio-renewable propylene from oils and fats

#60
20210299605
2021-09-30

Membrane process and system for high recovery of a nonpermeating gas

#61
20210283550
2021-09-16

Gas separation membrane module

#62
20210283549
2021-09-16

Membrane permeation treatment with adjustment of the number of membranes used as a function of the pressure of the feed gas flow

#63
20210283548
2021-09-16

Membrane permeation treatment with adjustment of the temperature of the first retentate as a function of the CHconcentration in the third and/or fourth permeate

#64
20210268445
2021-09-02

Method for humidifying facilitated-transport membranes

#65
20210246089
2021-08-12

Systems and methods for separation of olefins from mixtures that contain reducing agents

#66
20210213396
2021-07-15

Method of controlling structure of defects in MFI zeolite membranes

#67
20210197136
2021-07-01

Support, zeolite membrane complex, method of producing zeolite membrane complex, and separation method

#68
20210170329
2021-06-10

Plant and method for the separation of a gas mixture containing a plurality of components, in particular for obtaining biomethane

#69
20210162337
2021-06-03

Membrane nitrogen rejection process and system

#70
20210130259
2021-05-06

Oxidative coupling of methane

#71
20210129085
2021-05-06

Method of making carbon molecular sieve membranes

#72
20210087123
2021-03-25

METHOD FOR LIMITING THE CONCENTRATION OF OXYGEN CONTAINED IN A BIOMETHANE STREAM

#73
20210061730
2021-03-04

Continuous flow processes for making bicyclic compounds

#74
20200377430
2020-12-03

Process and system for removal of light ends and non-condensables to prevent buildup in an olefin/paraffin membrane separation process

#75
20200369581
2020-11-26

Methods and systems for producing -xylene from C8-containing compositions

#76
20200354289
2020-11-12

Methods and systems for producing para-xylene from C8-containing compositions

#77
20200270189
2020-08-27

Methods and systems for producing para-xylene from C8-containing compositions

#78
20200254393
2020-08-13

Method to make carbon molecular sieve hollow fiber membranes

#79
20200206680
2020-07-02

PRODUCTION OF BIOMETHANE USING A HIGH RECOVERY MODULE

#80
20200188841
2020-06-18

Installation and method for the treatment by membrane permeation of a gas stream with the aspiration pressure of the second permeate adjusted

#81
20200179868
2020-06-11

PRODUCTION OF BIOMETHANE USING MULTIPLE TYPES OF MEMBRANE

#82
20200139296
2020-05-07

Method for purifying a natural gas stream

#83
20200103165
2020-04-02

SYSTEMS AND METHODS OF DEBOTTLENECKING PROPANE FEED

#84
20200096254
2020-03-26

Process for producing biomethane from a biogas stream, comprising solidification of the impurities

#85
20200048165
2020-02-13

Separation methods and systems for oxidative coupling of methane

#86
20200047113
2020-02-13

Membrane permeation treatment with adjustment of the number of membranes used as a function of the pressure of the feed gas flow

#87
20200047112
2020-02-13

Membrane permeation treatment with adjustment of the temperature of the first retentate as a function of the CH4 concentration in the third and/or fourth permeate

#88
20200009495
2020-01-09

Membrane and pressure swing adsorption hybrid INRU process

#89
20200001242
2020-01-02

Membrane process for olefin separation

#90
20200001198
2020-01-02

Process for separation of propylene from a liquefied petroleum gas stream

#91
20190282955
2019-09-19

System and method used to recycle exhaust gas during olefin polymer production

#92
20190255490
2019-08-22

High performance facilitated transport membranes for olefin/paraffin separations

#93
20190248717
2019-08-15

OXIDATIVE DEHYDROGENATION OF ALKANES TO ALKENES, AND RELATED SYSTEM

#94
20190247783
2019-08-15

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#95
20190241815
2019-08-08

Use of semipermeable membranes in cracking coils

#96
20190224617
2019-07-25

Production of biomethane using a high recovery module

#97
20190193021
2019-06-27

Modular membrane system and method for olefin separation

#98
20190143278
2019-05-16

MIXED MATRIX MEMBRANES FOR OLEFIN/PARAFFIN SEPARATION AND METHOD OF MAKING THEREOF

#99
20190126187
2019-05-02

Pressure swing adsorption type of gas production device

#100
20190118133
2019-04-25

Transition metal containing carbon molecular sieve membranes and method to make them

#101
20190100479
2019-04-04

Method and system for light olefin separation

#102
20190060841
2019-02-28

High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations

#103
20190030491
2019-01-31

METHODS FOR PREPARING CARBON MOLECULAR SIEVE HOLLOW FIBER MEMBRANES FOR GAS SEPARATION

#104
20190030482
2019-01-31

Production of biomethane using multiple types of membrane

#105
20190015793
2019-01-17

Transfer line

#106
20180361319
2018-12-20

Method for improved reactive monomer production with membrane filtration

#107
20180346833
2018-12-06

Process and system for recovering natural gas liquids (NGL) from flare gas using Joule-Thomson (J-T) cooling and membrane separation

#108
20180339275
2018-11-29

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND GAS SEPARATION METHOD

#109
20180339274
2018-11-29

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, GAS SEPARATION METHOD, AND POLYIMIDE COMPOUND

#110
20180333675
2018-11-22

Co-cast thin film composite flat sheet membranes for gas separations and olefin/paraffin separations

#111
20180333674
2018-11-22

Device and method for separating a gas mixture

#112
20180290111
2018-10-11

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND GAS SEPARATION METHOD

#113
20180272274
2018-09-27

Separation membrane for olefin separation and olefin separation method using the same

#114
20180229181
2018-08-16

Carbon molecular sieve membranes for aggressive gas separations

#115
20180200679
2018-07-19

SEPARATION MEMBRANE AND METHOD OF PRODUCING SAME

#116
20180169563
2018-06-21

Membrane and pressure swing adsorption hybrid INRU process

#117
20180134638
2018-05-17

IMPROVED PROCESS FOR SEPARATION OF ALKENES FROM ALKANES

#118
20180111099
2018-04-26

COPOLYMER FOR USE IN ALKENE-ALKANE SEPARATION MEMBRANES

#119
20180111098
2018-04-26

Thin film composite membranes for separation of alkenes from alkanes

#120
20180093230
2018-04-05

IMPROVED MEMBRANES FOR SEPARATION OF ALKENES FROM ALKANES

#121
20180085714
2018-03-29

IMPROVED MEMBRANES FOR SEPARATION OF ALKENES FROM ALKANES

#122
20180050310
2018-02-22

Chemically and UV cross-linked high selectivity polyimide membranes for gas separations

#123
20180029958
2018-02-01

Paraffin removal from C4 containing streams

#124
20180021741
2018-01-25

Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method

#125
20180001277
2018-01-04

High performance facilitated transport membranes for olefin/paraffin separations

#126
20180001273
2018-01-04

Silica membrane filter

#127
20180001268
2018-01-04

Stable facilitated transport membranes for olefin/paraffin separations

#128
20170368504
2017-12-28

On-board fuel adjustment by molecular separation

#129
20170354918
2017-12-14

High selectivity facilitated transport membranes and their use for olefin/paraffin separations

#130
20170349510
2017-12-07

Method for separating straight-chain conjugated diene

#131
20170327758
2017-11-16

Natural gas refining apparatus and system

#132
20170312701
2017-11-02

Transfer line

#133
20170305817
2017-10-26

Separations with ionic liquid solvents

#134
20170291147
2017-10-12

Mixed matrix membranes for olefin/paraffin separation and method of making thereof

#135
20170259204
2017-09-14

Fluid separation processes using membranes based on fluorinated and perfluorinated polymers

#136
20170209830
2017-07-27

Recovery of gases, especially permanent gases, from streams of matter, especially from offgas streams from polymerizations

#137
20170203251
2017-07-20

Gas Separation Membranes Based on Fluorinated and Perfluorinated Polymers

#138
20170190640
2017-07-06

Separation method and separation apparatus

#139
20170144106
2017-05-25

Reverse osmosis membranes and separations

#140
20170137350
2017-05-18

Separation of mixed xylenes

#141
20170136420
2017-05-18

Hydrocarbon reverse osmosis membranes and separations

#142
20170081262
2017-03-23

Process for separation and purification of renewable propane

#143
20170050900
2017-02-23

Process for recovering olefins from manufacturing operations

#144
20170008822
2017-01-12

Membrane-based gas separation processes to separate dehydrogenation reaction products

#145
20160326446
2016-11-10

Process and system for recovering natural gas liquids (NGL) from flare gas using joule-thomson (J-T) cooling and membrane separation

#146
20160304416
2016-10-20

Fermentation hydrocarbon gas products separation via membrane

#147
20160229771
2016-08-11

Method for the final purification of biogas for producing biomethane

#148
20160184798
2016-06-30

High efficiency, high performance metal-organic framework (MOF) membranes in hollow fibers and tubular modules

#149
20160130199
2016-05-12

ZIF-8-90 METAL ORGANIC FRAMEWORK (MOF) MEMBRANES FOR n-BUTANE/i-BUTANE SEPARATIONS

#150
20160115099
2016-04-28

Methods and apparatuses for reforming of hydrocarbons including recovery of products using a recovery zone, a pressure swing adsorption zone, and a membrane separation zone

#151
20160096784
2016-04-07

Separations with ionic liquid solvents

#152
20160096783
2016-04-07

Polyolefin manufacturing system including a membrane fractionation system for diluent recovery

#153
20160075620
2016-03-17

Process for recovering olefins from manufacturing operations

#154
20160075619
2016-03-17

Process for Recovering Olefins from Manufacturing Operations

#155
20150329563
2015-11-19

Gas separation material using metal complex and gas separation method

#156
20150328594
2015-11-19

POLYIMIDE MEMBRANES WITH VERY HIGH SEPARATION PERFORMANCE FOR OLEFIN/PARAFFIN SEPARATIONS

#157
20150321140
2015-11-12

Membrane separation device

#158
20150217224
2015-08-06

Method and system for producing pipeline quality natural gas

#159
20150158795
2015-06-11

Membrane-based gas separation processes to separate dehydrogenation reaction products

#160
20150141729
2015-05-21

Method for recovering olefin

#161
20150133711
2015-05-14

Separations with ionic liquid solvents

#162
20150101986
2015-04-16

MIXED MATRIX POLYMERIC MEMBRANES

#163
20150030524
2015-01-29

Separations with ionic liquid solvents

#164
20150025293
2015-01-22

Membrane separation of olefin and paraffin mixtures

#165
20150011815
2015-01-08

Composite hollow fiber membranes useful for COremoval from natural gas

#166
20150008368
2015-01-08

Method and system for obtaining sweet gas, synthetic gas and sulphur from natural gas

#167
20140378721
2014-12-25

Method for producing paraffins

#168
20140371505
2014-12-18

Process for treating a hydrocarbon stream and an apparatus relating thereto

#169
20140345456
2014-11-27

Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same

#170
20140275692
2014-09-18

MODIFIED SURFACE ENERGY NON-WOVEN FILTER ELEMENT

#171
20140271419
2014-09-18

Catalytic removal of gas phase contaminants

#172
20140243574
2014-08-28

Helium recovery from natural gas

#173
20140243573
2014-08-28

Oil quality using a microporous hollow fiber membrane

#174
20140243572
2014-08-28

Hybrid membrane system for gas streams with condensable hydrocarbons

#175
20140163296
2014-06-12

OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE

#176
20140107388
2014-04-17

Fuel gas conditioning process using glassy polymer membranes

#177
20140107265
2014-04-17

FACILITATED TRANSPORT MEMBRANE INCLUDING METAL COMPLEX

#178
20140100406
2014-04-10

Separation membrane

#179
20140094632
2014-04-03

METHODS AND APPARATUSES FOR RECOVERING NORMAL HEXANE FROM REFORMATE STREAMS

#180
20140058093
2014-02-27

REMOVAL OF SOLIDS AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR

#181
20140023563
2014-01-23

Paraxylene production process and apparatus

#182
20140018596
2014-01-16

Removal of ionic liquids by means of a knitted fabric

#183
20130338389
2013-12-19

Ionic liquids for separation of olefin-paraffin mixtures

#184
20130303819
2013-11-14

Membrane technology for use in a methanol-to-propylene conversion process

#185
20130228515
2013-09-05

Facilitated transport membrane for the separation of aromatics from non-aromatics

#186
20130090394
2013-04-11

Process for providing hydrogen to a synthesis gas conversion reaction

#187
20130014643
2013-01-17

FUEL GAS CONDITIONING PROCESS USING GLASSY POLYMER MEMBRANES

#188
20120323059
2012-12-20

Process of separating gases using polyimide membranes

#189
20120322119
2012-12-20

Separation process using a polyimide membrane

#190
20120190904
2012-07-26

HYDROGEN REMOVAL FROM DEHYDROGENATION REACTOR PRODUCT

#191
20120175309
2012-07-12

OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE

#192
20120079849
2012-04-05

REMOVAL OF HYDROGEN

#193
20120078024
2012-03-29

Removal of Hydrogen From Dehydrogenation Processes

#194
20120004489
2012-01-05

Polyolefin manufacturing system including a membrane fractionation system for diluent recovery

#195
20110319688
2011-12-29

Paraxylene production process and apparatus

#196
20110295052
2011-12-01

Processes for olefin/paraffin separation utilizing porous, hydrophobic poly(ether ether ketone) membranes

#197
20110130611
2011-06-02

Process for membrane separation of an olefin that is contained in a hydrocarbon mixture

#198
20110114547
2011-05-19

Systems and Methods for the Separation of Propylene and Propane

#199
20110077446
2011-03-31

Membrane Separation of a Mixture of Close Boiling Hydrocarbon Components

#200
20110049051
2011-03-03

Process for separating propane and propylene using a distillation column and a membrane separation column

#201
20110015461
2011-01-20

Ionic liquids for separation of olefin-paraffin mixtures

#202
20110015057
2011-01-20

Membranes for highly selective separations

#203
20110000831
2011-01-06

MEMBRANE SEPARATION PROCESSES AND SYSTEMS FOR ENHANCED PERMEANT RECOVERY

#204
20100276368
2010-11-04

Process for membrane separation of linear hydrocarbons within a hydrocarbon mixture

#205
20100080740
2010-04-01

Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery

#206
20100080739
2010-04-01

Processes for the isomerization of normal butane to isobutane

#207
20090270665
2009-10-29

DEVICE TO SEPARATE OLEFINS FROM PARAFFINS AND TO PURIFY OLEFINS AND USE THEREOF

#208
20090200236
2009-08-13

Process for producing a composite membrane

#209
20090194484
2009-08-06

Oil Filters Containing Strong Base and Methods of Their Use

#210
20090149686
2009-06-11

Process for separation of C8 aromatic compounds with limited recycling

#211
20090131692
2009-05-21

INTEGRATED PREPARATION AND SEPARATION PROCESS

#212
20090111959
2009-04-30

High silica DDR-type molecular sieve, its synthesis and use

#213
20090069619
2009-03-12

Membrane separation processes and systems for enhanced permeant recovery

#214
20090069618
2009-03-12

Processes for the isomerization of feedstocks comprising paraffins of 5 to 7 carbon atoms

#215
20090069617
2009-03-12

Processes for the isomerization of normal butane to isobutane

#216
20090069613
2009-03-12

Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery

#217
20080234527
2008-09-25

Method for Producing Hydrogen and System Therefor

#218
20080167512
2008-07-10

Systems and methods for the separation of propylene and propane

#219
20080103346
2008-05-01

Membrane Separation Of A Metathesis Reaction Mixture

#220
20080035574
2008-02-14

Membrane Barrier films and method of use

#221
20080035573
2008-02-14

Membrane for separating aromatic and aliphatic compounds

#222
20080035572
2008-02-14

Chemically cross-linked polymeric membranes and method of use

#223
20080035567
2008-02-14

Enhanced membrane separation system

#224
20080035566
2008-02-14

Chromatographic membrane separation

#225
20080035557
2008-02-14

Polymer-coated inorganic membrane for separating aromatic and aliphatic compounds

#226
20070260101
2007-11-08

Membrane reactor process for chemical conversions

#227
20070256560
2007-11-08

Silver nanoparticle-containing polymer film for facilitated olefin transport and method for the fabrication thereof

#228
20070249884
2007-10-25

Polyolefin processes with constituent high conversion alkane dehydrogenation in membrane reactors

#229
20070184967
2007-08-09

LAMINATED ZEOLITE COMPOSITE AND METHOD FOR PRODUCTION THEREOF

#230
20070137485
2007-06-21

Composite membrane

#231
20070135670
2007-06-14

Method of separating olefins from mixtures with paraffins

#232
20070114177
2007-05-24

Membrane separation process

#233
20070088186
2007-04-19

Process and installation for the oligomerization of olefins that use a membrane separation

#234
20070012189
2007-01-18

Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same

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