ClassID:

30467

B01D2256/245 - CPC Classification

Classification description:

Main component in the product gas stream after treatment; Hydrocarbons Methane

Recent Application in this class:
#1
20260138075
2026-05-21

SYSTEM AND METHOD FOR PERFORMING A REGENERATIVE DESULFURIZATION OF RAW BIOGAS

#2
20260138071
2026-05-21

SULFIDE GAS REMOVAL PROCESS

#3
20260115647
2026-04-30

CARBON FOOTPRINT REDUCTION FOR IMPURITIES REMOVAL FROM A PRODUCED GAS

#4
20260109908
2026-04-23

PROCESS AND PLANT FOR THE PRODUCTION OF A METHANE-CONTAINING SYNTHETIC NATURAL GAS STREAM

#5
20260108861
2026-04-23

USE OF RENEWABLE ENERGY IN AMMONIA SYNTHESIS

#6
20260108845
2026-04-23

HYBRID MEMBRANE AND PRESSURE SWING ADSORPTION NITROGEN REMOVAL SYSTEM

#7
20260097358
2026-04-09

TWO-MEMBRANE STAGE SYSTEM WITHOUT INTERMEDIATE COMPRESSOR SYSTEM FOR HIGH H2S NATURAL GAS SEPARATION

#8
20260097355
2026-04-09

GAS DEHYDRATOR AND METHOD OF USING SAME

#9
20260092013
2026-04-02

PROCESS FOR PREPARING A GREEN MULTILAYER SOL-GEL CERAMIC MEMBRANE

#10
20260084101
2026-03-26

SYSTEMS AND METHODS FOR RECYCLING FLUID STREAMS DURING FLUID PURIFICATION

#11
20260084090
2026-03-26

SYSTEMS AND METHODS FOR A TEMPERATURE SWING ADSORPTION ADSORBENT BED

#12
20260070014
2026-03-12

GRADIENT SEPARATOR SYSTEM AND METHOD

#13
20260062635
2026-03-05

MULTI-GAS PROCESSING AND TRANSPORT SYSTEM

#14
20260062516
2026-03-05

IMIDAZOLE-BASED POLYIMIDE MEMBRANES FOR SOUR NATURAL GAS SEPARATION

#15
20260042055
2026-02-12

GAS TREATMENT PROCESS

#16
20260021444
2026-01-22

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#17
20260008003
2026-01-08

GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS

#18
20250387762
2025-12-25

MULTILAYER SOL-GEL GREEN CERAMIC MEMBRANE AND USES THEREOF

#19
20250367596
2025-12-04

SYSTEMS AND METHODS FOR BIOGAS UPGRADING USING SWEEP GAS

#20
20250360454
2025-11-27

SOLID-STATE GAS SORPTION, STORAGE AND SEPARATION

#21
20250345743
2025-11-13

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#22
20250345742
2025-11-13

CARBON DIOXIDE CAPTURE APPARATUS AND PROCESS COMBINED WITH BIOGAS UPGRADING

#23
20250339821
2025-11-06

MEMBRANE-BASED NATURAL GAS SWEETENING UNDER HUMID CONDITIONS

#24
20250326892
2025-10-23

TRIPTYCENE-PHENANTHROLINE BASED MICROPOROUS POLYMER FOR CO2 CAPTURE OVER CH4 AND N2

#25
20250325938
2025-10-23

PLANT AND METHOD FOR PRODUCING BIOMETHANE

#26
20250270722
2025-08-28

METHOD FOR CONVERTING CARBON DIOXIDE INTO SNG OR LNG AND STORING HYDROGEN

#27
20250270450
2025-08-28

ZERO METHANE OIL AND GAS PRODUCTION FACILITY DESIGN

#28
20250262588
2025-08-21

PROCESS AND APPARATUS FOR TREATING METHANE-CONTAINING GAS

#29
20250242299
2025-07-31

MIXED LINKER MOF-BASED MEMBRANES FOR GAS SEPARATION

#30
20250230044
2025-07-17

STABLE QUALIFIED CLEAN HYDROGEN PRODUCTION PROCESS AND SYSTEM

#31
20250229220
2025-07-17

4-Stage Membrane Process with Sweep for Biogas Upgrading

#32
20250229215
2025-07-17

CARBON DIOXIDE SEPARATION/CONVERSION DEVICE

#33
20250214038
2025-07-03

CARBON-CARBON (C/C) CHEMICAL VAPOR INFILTRATION (CVI) SYSTEM FOR MANUFACTURING C/C BRAKES WITH NEAR ZERO CARBON EMISSION

#34
20250205636
2025-06-26

Method for recovering methane and carbon dioxide from biogas

#35
20250196054
2025-06-19

GRADIENT SEPARATOR SYSTEM AND METHOD

#36
20250186950
2025-06-12

PROCESSES FOR THE PREPARATION OF POLYMERIC MEMBRANES CONTAINING IONIC LIQUIDS AND THEIR DERIVATIVES FOR THE SEQUESTRATION OF CO2 FROM NATURAL GAS BY GASEOUS PERMEATION AND POLYMERIC MEMBRANES OBTAINED BY THESE PROCESSES

#37
20250177910
2025-06-05

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#38
20250177907
2025-06-05

FLARE GAS CAPTURE AND PROCESSING

#39
20250128201
2025-04-24

METHOD AND SYSTEM FOR UPGRADING BIOGAS USING PSA

#40
20250128200
2025-04-24

ADSORBENT BED WITH INCREASED HYDROTHERMAL STABILITY

#41
20250115817
2025-04-10

PROCESS FOR CONTROLLING CO2 OVER H2S RATIO IN OIL AND GAS PROCESSING INSTALLATIONS

#42
20250115534
2025-04-10

ETHANE RECOVERY PROCESS AND ALKYLATION PROCESS WITH ETHANE RECOVERY

#43
20250099914
2025-03-27

CARBON NEUTRAL LANDFILL SOLUTIONS

#44
20250091968
2025-03-20

CARBON DIOXIDE (CO2) MANAGEMENT IN CARBON-CARBON (C/C) PREFORM PRODUCTION PROCESS

#45
20250083098
2025-03-13

METHOD OF OPERATING SEPARATION APPARATUS AND SEPARATION APPARATUS

#46
20250066537
2025-02-27

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

#47
20250041808
2025-02-06

SEPARATION FUNCTIONAL LAYER, SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION FUNCTIONAL LAYER

#48
20250041793
2025-02-06

PROCESS FOR PREPARING A POLYBENZOXAZINE-DERIVED CARBON MEMBRANE, CARBON MEMBRANE, USE OF SAID MEMBRANE FOR SEPARATING INDUSTRIAL GASES AND PERMEATION MODULE

#49
20250035376
2025-01-30

FACILITY FOR PRODUCING LIQUID CO2 AND BIOMETHANE WITH A MEANS FOR PREVENTING THE BUILD-UP OF HYDROGEN AND OXYGEN

#50
20250033017
2025-01-30

USE OF RENEWABLE ENERGY IN THE PRODUCTION OF CHEMICALS

#51
20250019325
2025-01-16

SYSTEM AND PROCESS FOR RECOVERING METHANE AND CARBON DIOXIDE FROM BIOGAS AND REDUCING GREENHOUSE GAS EMISSIONS

#52
20250018332
2025-01-16

BIOGAS PURIFICATION UNIT

#53
20250010264
2025-01-09

USE OF RENEWABLE ENERGY IN OLEFIN SYNTHESIS

#54
20250002801
2025-01-02

Treatment System

#55
20250001351
2025-01-02

METHOD AND SYSTEM FOR UPGRADING BIOGAS USING PSA

#56
20240424439
2024-12-26

METHODS AND SYSTEMS FOR RESTORING ADSORPTIVE CAPACITY OF A MOLECULAR SIEVE-BASED DEHYDRATION UNIT

#57
20240417640
2024-12-19

Treatment System

#58
20240399286
2024-12-05

ADSORBENT BED WITH INCREASED HYDROTHERMAL STABILITY

#59
20240390865
2024-11-28

THERMALLY CROSSLINKED POLYTRIAZOLE SEPARATION MEMBRANES

#60
20240390864
2024-11-28

MEMBRANE REACTOR AND METHOD OF OPERATING MEMBRANE REACTOR APPARATUS

#61
20240390863
2024-11-28

SEPARATION MEMBRANE COMPLEX, MIXED GAS SEPARATION APPARATUS, AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX

#62
20240368485
2024-11-07

CHEMICAL FACILITY AND PROCESS USING RECYCLED CONTENT OR HYDROGEN-ENRICHED FUEL GAS

#63
20240367107
2024-11-07

SOLID LIQUID CATALYST COMPOSITION FOR HYDROGEN DESULFURIZATION

#64
20240367106
2024-11-07

Heterogeneous catalyst for hydrocarbon sweetening

#65
20240367105
2024-11-07

SOLID/LIQUID DESULFURIZATION CATALYST FOR HYDROCARBON PURIFICATION

#66
20240359154
2024-10-31

USE OF RENEWABLE ENERGY IN METHANOL SYNTHESIS

#67
20240352366
2024-10-24

PLANT AND PROCESS FOR PRODUCTION OF PURIFIED METHANE

#68
20240351873
2024-10-24

HYDROGEN PRODUCTION SYSTEM

#69
20240328294
2024-10-03

Pond water (gas plant discharge) based fracturing fluid

#70
20240327739
2024-10-03

LOOP LINE FOR H2S TREATMENT

#71
20240316508
2024-09-26

ELECTRICAL SYNTHESIS OF CONTINUOUS METAL-ORGANIC FRAMEWORK MEMRANES

#72
20240278171
2024-08-22

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

#73
20240278170
2024-08-22

APPARATUS AND METHOD FOR SIMULTANEOUSLY TREATING DIFFERENT FLUCTUATING GAS FLOWS

#74
20240278167
2024-08-22

PORTABLE PRESSURE SWING ADSORPTION METHOD AND SYSTEM FOR LOW FLOW RATE GAS PROCESSING

#75
20240271779
2024-08-15

Generate Hydrogen as Fuel at Natural Gas Processing Plant to Reduce Carbon Dioxide Emissions

#76
20240269623
2024-08-15

FLUORINATED COPOLYMERS HAVING NITROGEN FUNCTIONALITY AND USES THEREOF

#77
20240269620
2024-08-15

Gas Separation Membranes

#78
20240269609
2024-08-15

SYSTEM AND METHOD FOR SEPARATING A GAS MIXTURE

#79
20240269604
2024-08-15

ADSORBENT FOR HYDROCARBON RECOVERY

#80
20240246022
2024-07-25

Apparatus and Process for Removal of Heavy Hydrocarbons from a Feed Gas

#81
20240226801
2024-07-11

PURIFICATION OF METHANE CONTAINING GAS STREAMS USING SELECTIVE MEMBRANE SEPARATION

#82
20240216892
2024-07-04

TOXIN AND GAS ADSORPTION BY POROUS MELANIN

#83
20240216874
2024-07-04

SELECTIVELY PERMEABLE MEMBRANE OBTAINED BY CARBONIZATION SULFONATED POLY(PHENYLENE ETHER) COPOLYMER

#84
20240198273
2024-06-20

Process for removing hydrogen sulfide from sour gases

#85
20240189760
2024-06-13

SYSTEM FOR RECOVERING METHANE FROM A BIOGAS

#86
20240183609
2024-06-06

System and method for control of feed compressors in an RNG recovery facility for biogas or landfill gas

#87
20240141245
2024-05-02

Treatment system

#88
20240139679
2024-05-02

Treatment System

#89
20240131469
2024-04-25

PURIFICATION OF METHANE CONTAINING GAS STREAMS USING SELECTIVE MEMBRANE SEPARATION

#90
20240123395
2024-04-18

Apparatus and system for swing adsorption processes

#91
20240109053
2024-04-04

METHOD FOR REGENERATING ADSORPTION MEDIA USING CARBON DIOXIDE

#92
20240082809
2024-03-14

PROCESS FOR REMOVING HYDROGEN SULFIDE FROM SOUR GASES

#93
20240075426
2024-03-07

Heterogeneous desulfurization catalyst

#94
20240075424
2024-03-07

Optimizing regeneration gas usage in liquid recovery units

#95
20240044579
2024-02-08

PROCESS FOR REMOVING CO2 FROM A METHANE-CONTAINING GAS

#96
20240017205
2024-01-18

TWO STEP AMINE ABSORPTION PROCESS FOR REMOVAL CO2/H2S FROM BIOGAS

#97
20240010516
2024-01-11

Valorization of Waste Streams

#98
20240009615
2024-01-11

AMINE SWEETENING IN FLASH GAS

#99
20240001290
2024-01-04

PROCESS FOR SEPARATING CARBON DIOXIDE FROM A GAS STREAM AND USE

#100
20230416174
2023-12-28

POLYMER SEPARATION MEMBRANE FOR PURIFYING METHANE

#101
20230357658
2023-11-09

Method for removing acid compounds from a gaseous effluent using a tertiary amine-based absorbent solution

#102
20230356140
2023-11-09

SWING ADSORPTION PROCESSES AND SYSTEMS FOR CONTROLLING PRODUCT COMPOSITION

#103
20230347314
2023-11-02

USING NANO-FUNCTIONALIZED CLAY MINERALS FOR GAS SEPARATION

#104
20230347277
2023-11-02

BIOGAS PROCESSING SYSTEMS AND METHODS

#105
20230338889
2023-10-26

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

#106
20230338886
2023-10-26

HIGH RECOVERY PROCESS FOR PURIFICATION OF MULTICOMPONENT GASES

#107
20230311052
2023-10-05

DEVICE FOR SEPARATING AND SEQUESTERING CARBON DIOXIDE IN GAS MIXTURES BY HYDRATE METHOD WITH COUPLED COLD STORAGE

#108
20230278006
2023-09-07

METHOD OF PRODUCING CARBON MOLECULAR SIEVE MEMBRANES

#109
20230271130
2023-08-31

A FACILITY AND A MEMBRANE PROCESS FOR SEPARATING METHANE AND CARBON DIOXIDE FROM A GAS STREAM

#110
20230249122
2023-08-10

PORTABLE PRESSURE SWING ADSORPTION SYSTEM AND METHOD FOR FUEL GAS CONDITIONING

#111
20230233983
2023-07-27

ADSORBENT BED FOR MERCAPTAN REMOVAL WITH INCREASED HYDROTHERMAL STABILITY

#112
20230182065
2023-06-15

METHOD AND SYSTEM FOR OPERATING AN ADSORPTION-BASED SYSTEM FOR REMOVING WATER FROM A PROCESS STREAM

#113
20230166210
2023-06-01

ADSORBENT BED WITH INCREASED HYDROTHERMAL STABILITY

#114
20230135721
2023-05-04

Membrane process for natural gas liquids recovery and hydrocarbon dew point control

#115
20230130572
2023-04-27

Gas Purification and Liquefication System and Method Using Liquid Nitrogen

#116
20230116353
2023-04-13

Filter, Composition and Process for Cleaning Feed and Exhaust Fluids and Method for Eliminating PFAS and other Noxious Impurities in Fluids

#117
20230115618
2023-04-13

Gas-Separation Membranes

#118
20230115430
2023-04-13

System and method for separating a gas mixture

#119
20230114525
2023-04-13

Biogas upgrading apparatus and process

#120
20230101201
2023-03-30

Portable pressure swing adsorption method and system for fuel gas conditioning

#121
20230088039
2023-03-23

SYSTEM AND METHOD FOR REMOVING HYDROGEN SULFIDE FROM GAS

#122
20230082278
2023-03-16

Portable pressure swing adsorption method and system for fuel gas conditioning

#123
20220411574
2022-12-29

HIGH-PERFORMANCE LADDER POLYMERS FOR MEMBRANE GAS SEPARATION

#124
20220403273
2022-12-22

Systems and processes for heavy hydrocarbon removal

#125
20220401874
2022-12-22

Hydrogen sulfide removal process

#126
20220370953
2022-11-24

METHOD TO DRY A HYDROCARBON GAS STREAM

#127
20220355268
2022-11-10

IMPROVEMENTS RELATING TO GAS SEPARATION

#128
20220306955
2022-09-29

Membranes for contaminant removal from natural gas and methods for use thereof

#129
20220298443
2022-09-22

PLANT AND PROCESS FOR OBTAINING BIOMETHANE IN ACCORDANCE WITH THE SPECIFICITIES OF A TRANSPORT NETWORK

#130
20220297056
2022-09-22

Gas separation elements and modules

#131
20220259512
2022-08-18

METHOD AND SYSTEM FOR OBTAINING COMPONENTS FROM NATURAL GAS

#132
20220250001
2022-08-11

Gas stream purification by adsorption with pre-regeneration in a closed loop

#133
20220219114
2022-07-14

COLD MEMBRANE NITROGEN REJECTION PROCESS AND SYSTEM

#134
20220219109
2022-07-14

Apparatus and system for swing adsorption processes

#135
20220213271
2022-07-07

Siloxane hybrid membranes for enhanced natural gas liquid recovery

#136
20220203295
2022-06-30

FOUR STAGE MEMBRANE GAS SEPARATION WITH COOLING AND USE OF SWEEP GAS

#137
20220203294
2022-06-30

THREE STAGE MEMBRANE GAS SEPARATION WITH COOLING AND USE OF SWEEP GAS

#138
20220194802
2022-06-23

Method for the desulfurization of methane-containing gases

#139
20220168684
2022-06-02

Adsorbent for hydrocarbon recovery

#140
20220152552
2022-05-19

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#141
20220134284
2022-05-05

Crossflow membrane module

#142
20220134276
2022-05-05

COUNTERFLOW MEMBRANE MODULE

#143
20220127211
2022-04-28

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#144
20220127209
2022-04-28

Use of renewable energy in olefin synthesis

#145
20220126251
2022-04-28

Use of renewable energy in the production of chemicals

#146
20220119328
2022-04-21

Use of renewable energy in methanol synthesis

#147
20220119252
2022-04-21

USE OF INTERMITTENT ENERGY IN THE PRODUCTION OF CHEMICALS

#148
20220080365
2022-03-17

Carbon membrane for fluid separation use

#149
20220074655
2022-03-10

Method of natural gas pretreatment

#150
20220072506
2022-03-10

METHOD OF FABRICATING ORGANIC STRUCTURE DIRECTING AGENT-FREE CHA TYPE ZEOLITE MEMBRANE AND MEMBRANE FABRICATED THEREBY

#151
20220062816
2022-03-03

Asymmetric hollow fiber membranes and methods of making and using the same

#152
20220040626
2022-02-10

High recovery process for purification of multicomponent gases

#153
20220032237
2022-02-03

CMS membrane, method for the production thereof and use thereof

#154
20210402350
2021-12-30

Device for testing performance of photocatalytic ozonation in degradation of volatile organic compounds and method of operating same

#155
20210380425
2021-12-09

Highly siliceous form of zeolite RHO

#156
20210370267
2021-12-02

Overcoming two carbon dioxide adsorption steps in diamine-appended metal organic frameworks

#157
20210339189
2021-11-04

Device and a process for separating methane from a gas mixture containing methane, carbon dioxide and hydrogen sulfide

#158
20210339187
2021-11-04

Adsorbent bed with increased hydrothermal stability

#159
20210322932
2021-10-21

Zeolite membrane composite, method of producing zeolite membrane composite, and separation method

#160
20210316255
2021-10-14

Gas separation articles composed of amorphous crosslinked fluorinated copolymers and methods of making and using thereof

#161
20210309803
2021-10-07

Compositions of and methods for producing modified monomers and polyimides for sour mixed gas separation

#162
20210308619
2021-10-07

Solvent and process for removing carbon dioxide from a gaseous mixture having high carbon dioxide partial pressures

#163
20210292203
2021-09-23

Two-stage biogas production system for anaerobic digesters

#164
20210252482
2021-08-19

Large crystal tunable adsorbents

#165
20210236987
2021-08-05

Surface modified membranes for gas separation, and a method for preparing thereof

#166
20210236986
2021-08-05

Process for treating a natural gas containing carbon dioxide

#167
20210229068
2021-07-29

Type 3 porous liquids

#168
20210229045
2021-07-29

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

#169
20210229027
2021-07-29

Multi-stage PSA process to remove contaminant gases from raw methane streams

#170
20210221755
2021-07-22

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#171
20210220779
2021-07-22

Zeolite separation membrane and production method therefor

#172
20210215420
2021-07-15

HEAVY HYDROCARBON REMOVAL FROM LEAN GAS TO LNG LIQUEFACTION

#173
20210213384
2021-07-15

DEHYDRATION USING BIOSORBENTS IN MODIFIED PRESSURE SWING ADSORPTION

#174
20210205780
2021-07-08

Polymeric sorbents for carbon dioxide

#175
20210205762
2021-07-08

Curable poly(RTIL)-based mixed-matrix membranes and methods using same

#176
20210170329
2021-06-10

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

#177
20210162336
2021-06-03

Cold membrane nitrogen rejection process and system

#178
20210095373
2021-04-01

SYNTHETIC DIAMOND JEWELRY AND FABRICATION METHOD THEREOF

#179
20210094894
2021-04-01

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#180
20210087123
2021-03-25

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

#181
20210086128
2021-03-25

Metal organic framework absorbent platforms for removal of CO2 and H2S from natural gas

#182
20210077942
2021-03-18

PROCESS FOR HANDLING VARIABLE FLOW RATES AND COMPOSITIONS IN PRESSURE SWING ADSORPTION SYSTEMS

#183
20210071091
2021-03-11

Process and plant for producing liquefied natural gas

#184
20210060477
2021-03-04

PRESSURE-SWING ADSORPTION PROCESS FOR SEPARATING ACID GASES FROM NATURAL GAS

#185
20210031139
2021-02-04

Helium recovery from gaseous streams

#186
20210023508
2021-01-28

Graphene membrane filter for gas separation

#187
20210023497
2021-01-28

Rate/kinetic selective multiple bed adsorption process cycle

#188
20210016218
2021-01-21

CHARACTERISTICS OF TUNABLE ADSORBENTS FOR RATE SELECTIVE SEPARATION OF NITROGEN FROM METHANE

#189
20210008487
2021-01-14

Characteristics of tunable adsorbents for rate selective separation of nitrogen from methane

#190
20210001308
2021-01-07

Method for Producing Silicoaluminophosphate Sorbent

#191
20200407654
2020-12-31

Metal organic frameworks for removal of compounds from a fluid

#192
20200407653
2020-12-31

FACILITY FOR THE TREATMENT OF A STREAM OF METHANE AND CARBON DIOXIDE BY MEANS OF A VANE-TYPE COMPRESSOR AND OF A MEMBRANE SEPARATION UNIT

#193
20200398217
2020-12-24

Treatment of a methane stream comprising VOCs and carbon dioxide by a combination of an adsorption unit and a membrane separation unit

#194
20200391161
2020-12-17

FLUID SEPARATION MEMBRANE

#195
20200376463
2020-12-03

Vanadium metal-organic framework for selective adsorption

#196
20200368678
2020-11-26

Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures

#197
20200353441
2020-11-12

Highly stable [MaMbF6-n(O/H2O)n(Ligand)2(solvent)x]n metal organic frameworks

#198
20200353440
2020-11-12

Zirconium terephthalate-based metal organic framework with open metal sites

#199
20200330919
2020-10-22

Porous liquids

#200
20200316528
2020-10-08

Mitigating leaks in membranes

#201
20200261843
2020-08-20

Installation and method for the treatment by membrane permeation of a gas stream with the methane concentration adjusted

#202
20200255291
2020-08-13

Acid gas enrichment method and system

#203
20200254383
2020-08-13

System and method for separating a gas mixture

#204
20200240705
2020-07-30

Methods for removal of moisture from LNG refrigerant

#205
20200238212
2020-07-30

Amine sweetening in flash gas

#206
20200222848
2020-07-16

Adsorbent for hydrocarbon recovery

#207
20200216374
2020-07-09

Method for inerting activated carbon in biogas purification equipment

#208
20200206696
2020-07-02

Reactive inhibition of pore structure collapse during pyrolytic formation of carbon molecular sieves

#209
20200199348
2020-06-25

BCDA-based semi-alicyclic homo- or co-polyimide membrane materials for gas separation and the preparation method thereof

#210
20200197865
2020-06-25

Method of sweetening hydrocarbon gas from hydrogen sulfide

#211
20200188844
2020-06-18

Method for separating a natural gas stream into a methane-enriched fraction and a fraction enriched in Cand higher hydrocarbons

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Facility and method for the treatment by membrane permeation of a gas stream with adjustment of the third-permeate suctioning pressure

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Swing adsorption processes using zeolite structures

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GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

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2020-06-11

Porous materials for natural gas liquids separations

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2020-06-04

Method and system for removing contaminants from a gas stream using a liquid absorbent

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20200139295
2020-05-07

Gas-filtering system and method

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2020-05-07

Sorbent-loaded fibers for high temperature adsorption processes

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Metal-organic materials for COadsorption

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Polymer blended membranes for sour gas separation

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2020-03-05

Fluorinated polytriazole membrane materials for gas separation technology

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Reducing peak compositions in regeneration gas for swing adsorption processes

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Method for separating off and immobilizing carbon dioxide and/or carbon monoxide from an exhaust gas

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Method to control the extraction rate in a membrane based biogas upgrading plant

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Deep vacuum regeneration of adsorbent media

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Cyclic amine for selectively removing hydrogen sulphide

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SYSTEMS, PROCESSES AND METHODS FOR CONCENTRATING ACID GAS AND PRODUCING HYDROCARBON LIQUID WITH A MEMBRANE SEPARATION SYSTEM

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Apparatus and system for swing adsorption processes

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SYSTEM AND PROCESS FOR SEPARATING GAS COMPONENTS USING MEMBRANE FILTRATION TECHNOLOGY

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Particulate material and a method for removing one or more contaminants from hydrocarbon gas

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Porous materials for natural gas liquids separations

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2019-11-14

Process for the combined removal of siloxanes and sulfur-containing compounds from biogas streams

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2019-10-24

DIRECT REDUCTION PROCESS FOR THE PRODUCTION OF DIRECT-REDUCED IRON WITH HIGH PURITY METHANE

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2019-09-26

Gas separation membrane, method of producing gas separation membrane, gas separation membrane module, and gas separator

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2019-09-26

BULK SEPARATION OF UNDESIRED COMPONENTS FROM GAS MIXTURES

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2019-09-19

Highly stable [MaMbF6-n(O/H2O)n(ligand)2(solvent)x]n metal organic frameworks

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2019-09-19

Metal organic framework absorbent platforms for removal of COand HS from natural gas

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2019-08-29

COMPOSITIONS AND METHODS FOR RECOVERY OF STRANDED GAS AND OIL

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2019-08-29

Composite Membranes

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2019-08-29

Process and apparatus for removal of hydrogen sulphide from a gas

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2019-08-29

Method of adsorptive gas separation using thermally conductive contactor structure

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2019-08-29

Apparatus and System for Swing Adsorption Processes

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2019-08-29

Apparatus and system for swing adsorption processes

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20190247804
2019-08-15

Adsorption-enhanced and plasticization resistant composite membranes

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Zeolite separation membrane and production method therefor

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20190224618
2019-07-25

High hydrocarbon recovery membrane plus solvent based system

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20190224617
2019-07-25

Production of biomethane using a high recovery module

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20190224613
2019-07-25

Apparatus and system for swing adsorption processes

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2019-07-18

O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use

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Thin film composite membranes for fluid separations

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CATALYST INTENDED FOR DESULFURIZATION/DEMERCAPTANIZATION/DEHYDRATION OF GASEOUS HYDROCARBONS

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2019-06-20

Method and apparatus for cleaning contaminated gas in a reactor with rubber material

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2019-06-20

Processes for removing heavy hydrocarbons and water from a stream of natural gas

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2019-06-13

Hybrid polymeric hollow fiber membrane, hybrid carbon molecular sieve hollow fiber membrane, and processes for preparing the same

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20190169517
2019-06-06

Integrated PTSA/membrane method and system for H2S and CO2 removal from biogas

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2019-05-23

Removal of hydrogen sulfide from process streams

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2019-05-16

Method of fabricating organic structure directing agent-free CHA type zeolite membrane and membrane fabricated thereby

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POROUS POLYMERIC SORBENT FOR CARBON DIOXIDE

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20190135630
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System for extracting gaseous molecules from air

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2019-05-09

Natural gas liquids recovery from pressure swing adsorption and vacuum swing adsorption

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20190128599
2019-05-02

Gas processing facility

#262
20190126187
2019-05-02

Pressure swing adsorption type of gas production device

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20190119120
2019-04-25

Heteroatom-doped porous carbons for clean energy applications and methods for their synthesis

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20190111380
2019-04-18

Process for selective removal of acid gases from fluid streams using a hybrid solvent mixture

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2019-04-04

Method of making carbon molecular sieve membranes

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2019-03-28

Gas separation membrane, gas separation membrane module, and gas separation device

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2019-03-21

Method for producing laminated complex, and laminated complex

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20190083939
2019-03-21

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

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20190076793
2019-03-14

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

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2019-03-14

Gas separation membrane, gas separation membrane module, and gas separation device

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2019-02-28

Overcoming two carbon dioxide adsorption steps in diamine-appended metal-organic frameworks

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2019-02-28

Dead end membrane gas separation process

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2019-02-21

Selective, adsorbate-induced spin state changes in transition metal-based metal-organic frameworks

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20190054416
2019-02-21

Integration of cold solvent and acid gas removal

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2019-02-21

Integration of Cold Solvent and Acid Gas Removal

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Plasticization-resistant polyurethane membrane and preparation method thereof

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Crystalline metallophosphates, their method of preparation, and use

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2019-01-17

Transfer line

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2019-01-10

Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures

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2019-01-03

Porous support, method for manufacturing porous support, separation membrane structure, and method for manufacturing separation membrane structure

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2019-01-03

Method for producing biomethane by purifying biogas from non-hazardous waste storage facilities and facility for implementing the method

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2019-01-03

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

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2019-01-03

Processes for gas separation by solvent or absorbent

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2019-01-03

Adsorption column set for separating two or more gases of a gas mixture from each other using pressure swing adsorption

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2018-12-27

Method for separating carbon dioxide and apparatus for separating carbon dioxide

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2018-12-20

Compact contacting systems and methods for scavenging sulfur-containing compounds

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2018-12-20

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, GAS SEPARATION METHOD, COMPOSITION FOR FORMING GAS SEPARATION LAYER, METHOD OF PRODUCING GAS SEPARATION MEMBRANE, POLYIMIDE COMPOUND, AND DIAMINE MONOMER

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Method of preparing metal diboride dispersions and films

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2018-12-13

Helium recovery from gaseous streams

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High permeance and high selectivity facilitated transport membranes for olefin/paraffin separations

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2018-12-06

Cardo-type co-polyimide membranes for sour gas feed separations from natural gas

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2018-12-06

Polymer blended membranes for sour gas separation

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2018-11-22

Device and method for separating a gas mixture

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2018-11-15

METHODS AND APPARATUSES FOR GAS SEPARATION BY SOLVENT OR ABSORBENT

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2018-11-08

Aromatic hydrogenation catalysts and uses thereof

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2018-11-08

Method for Gas Separation, Purification and Clarification by FTrPSA

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2018-11-01

Remote monitoring of adsorber process units

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2018-10-25

Method for separating components using solids producing multi-stage direct and indirect-contact exchange

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2018-10-25

Method and apparatus for removal of hydrogen sulphide from gas mixtures with microorganisms

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2018-10-18

PROCESS FOR THE OXIDATIVE COUPLING OF METHANE