ClassID:

30498

B01D2257/406 - CPC Classification

Classification description:

Components to be removed; Nitrogen compounds Ammonia

Recent Application in this class:
#1
20260138087
2026-05-21

NH3-SCR DENITRATION SYSTEM AND METHOD FOR SYNERGISTIC PURIFICATION OF CO

#2
20260131318
2026-05-14

ZEOLITE CATALYSTS WITH PAIRED HETEROATOMS AND METHODS THEREOF

#3
20260115637
2026-04-30

GAS TREATMENT APPARATUS FOR VENT

#4
20260091342
2026-04-02

A COMPOSITION FOR REMOVING CHEMICALS FROM PLANT PRODUCTS AND A METHOD OF MANUFACTURING THEREOF

#5
20260084097
2026-03-26

WET SCRUBBER

#6
20260077288
2026-03-19

AIR WASHER THAT FACILITATES THE REPLACEMENT OF THE FILTER ASSEMBLY

#7
20260070013
2026-03-12

COLLECTING A GASEOUS POLLUTANT FROM AIR

#8
20260061339
2026-03-05

LUBRICATING OIL PURIFICATION SYSTEM AND LUBRICATING OIL PURIFICATION METHOD

#9
20260054220
2026-02-26

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#10
20260042055
2026-02-12

GAS TREATMENT PROCESS

#11
20260027519
2026-01-29

CONTAMINATED AIR TREATMENT

#12
20260021449
2026-01-22

SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT, AND EXHAUST GAS PURIFICATION APPARATUS FOR LEAN COMBUSTION ENGINES COMPRISING SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT

#13
20260007999
2026-01-08

AMMONIA VENT GAS TREATMENT SYSTEM AND VENT GAS TREATMENT METHOD USING SAME

#14
20260001028
2026-01-01

METHODS AND SYSTEMS FOR PURIFYING CARBON DIOXIDE

#15
20250381545
2025-12-18

AMMONIUM NITRATE PRODUCTION

#16
20250381524
2025-12-18

CATALYST BODY FOR PURIFYING EXHAUST GAS OF GASOLINE ENGINE, AND EXHAUST GAS PURIFICATION SYSTEM USING SAME

#17
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#18
20250352991
2025-11-20

UNCALCINED CATALYST PRECURSOR FOR A DIESEL OXIDATION CATALYST

#19
20250346486
2025-11-13

PRODUCTION APPARATUS AND METHOD FOR HIGH PURITY HYDROGEN

#20
20250313465
2025-10-09

A PROCESS FOR RECOVERING H2

#21
20250312734
2025-10-09

EXHAUST GAS TREATMENT AND MONITORING SYSTEM FOR A MEDICAL WASTE DISPOSAL EQUIPMENT

#22
20250312731
2025-10-09

SCRUBBER FOR SEMICONDUCTOR APPARATUS

#23
20250296836
2025-09-25

Process and Apparatus for Cracking Ammonia

#24
20250296046
2025-09-25

WASTE GAS SCRUBBER

#25
20250270101
2025-08-28

Catalyst-Sorbent Structure for Ammonia Synthesis And Sorption and Method of Ammonia Production

#26
20250250290
2025-08-07

Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof

#27
20250222400
2025-07-10

PROCESS FOR STABILIZING NUTRIENTS IN A DISCHARGED ANAEROBIC DIGESTATE

#28
20250214021
2025-07-03

GAS FILTER SYSTEM

#29
20250205643
2025-06-26

METHOD FOR EXHAUST GAS AFTER-TREATMENT OF AN INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE SCR CATALYST

#30
20250197249
2025-06-19

AMMONIA STRIPPING DEVICE, AND RESOURCE RECOVERY TYPE HIGH CONCENTRATION WASTEWATER TREATMENT SYSTEM USING THE SAME

#31
20250196052
2025-06-19

FILTER BODY, FILTER ELEMENT, AND FILTER ASSEMBLY

#32
20250186971
2025-06-12

METAL ORGANIC FRAMEWORK

#33
20250177919
2025-06-05

METHANE REMOVAL DEVICE

#34
20250172082
2025-05-29

GAS TURBINE FACILITY AND METHOD FOR SUPPRESSING DISCHARGE OF AMMONIA FROM GAS TURBINE FACILITY

#35
20250162962
2025-05-22

METHOD OF PRODUCING LIQUID HYDROCARBONS FROM A SYNGAS

#36
20250135399
2025-05-01

METHOD AND DEVICE FOR CONTROLLING AMMONIA ESCAPE AND SOLUBLE PARTICULATE MATTER WITH LOW ENERGY CONSUMPTION IN AN AMMONIA-BASED CARBON CAPTURE PROCESS

#37
20250108356
2025-04-03

All-in-on Getters

#38
20250100978
2025-03-27

PROCESS FOR THE PRODUCTION OF MELAMINE

#39
20250090992
2025-03-20

CONTAMINANT MANAGEMENT SYSTEM FOR CO2 CAPTURE SYSTEM

#40
20250059036
2025-02-20

MAKING FT PRODUCTS AFTER STREAM REFORMING AND HYDROCARBON REFORMING

#41
20250059027
2025-02-20

SYSTEM FOR PRODUCING HYDROGEN BY AMMONIA DECOMPOSITION REACTION AND HYDROGEN PRODUCTION METHOD

#42
20250058301
2025-02-20

SYSTEMS AND METHODS FOR RAPID DESORPTION OF POLAR MOLECULE BEARING ADSORBENT MATERIAL USING RF ENERGY

#43
20250051228
2025-02-13

PROCESS PLANT FOR CONVERTING A SOLID INPUT MATERIAL INTO A SOLID PROCESS PRODUCT

#44
20250041803
2025-02-06

MOLECULAR FILTERS FOR SELECTIVE REMOVAL AND REPURPOSING OF GASEOUS FUMES AND EMISSIONS

#45
20250033024
2025-01-30

MONOLITHIC TRACE-CONTAMINANT SORBENTS FABRICATED FROM 3D-PRINTED POLYMER PRECURSORS

#46
20250025825
2025-01-23

ADSORPTION TOWER FOR CONTROLLING A FLUID SUPPLY ROUTE TO A PLURALITY OF BEDS AND OPERATING CONTROL METHOD THEREOF

#47
20250025824
2025-01-23

AMMONIA ADSORPTION TOWER OPERATING CONTROL DEVICE AND CONTROL METHOD USING THE SAME

#48
20250019251
2025-01-16

METHOD FOR OPERATING AN AMMONIA PLANT, AND PLANT FOR PRODUCING AMMONIA

#49
20250018331
2025-01-16

Accumulator and dissipation assembly for capturing exigent vented volatile fluids

#50
20250018326
2025-01-16

DISTRIBUTED CONTAMINANT REMOVAL USING LIQUID SORBENT

#51
20250001378
2025-01-02

Ammonia-Based Photocatalytic Reactor Systems and Methods

#52
20250001359
2025-01-02

STEEL MILL OFFGAS SEPARATION AND PURIFICATION

#53
20250001352
2025-01-02

PRESSURE SWING ADSORPTION APPARATUS FOR HIGH PURITY HYDROGEN PURIFICATION FROM AMMONIA DECOMPOSITION AND HYDROGEN PURIFICATION METHOD USING THE SAME

#54
20240425762
2024-12-26

Process for the purification and conversion of carbon dioxide using renewable energy

#55
20240417627
2024-12-19

PROCESS FOR THE PURIFICATION AND CONVERSION OF CARBON DIOXIDE USING RENEWABLE ENERGY

#56
20240409423
2024-12-12

CATALYST-SORBENT STRUCTURE FOR AMMONIA SYNTHESIS AND SORPTION AND METHOD OF AMMONIA PRODUCTION

#57
20240408543
2024-12-12

EXHAUST GAS PURIFYING SYSTEM AND EXHAUST GAS PURIFYING CATALYST BODY FOR GASOLINE ENGINE

#58
20240408541
2024-12-12

POLLUTANT REMOVAL APPARATUS AND METHOD

#59
20240408535
2024-12-12

FULL TEMPERATURE RANGE SIMULATED ROTATED MOVING BED PSA PROCESS FOR EXTRACTING H2 AND NH3 FROM GAN-MOCVD PROCESS EXHAUST GAS

#60
20240401526
2024-12-05

GAS TURBINE PLANT WITH AMMONIA DECOMPOSITION SYSTEM

#61
20240399303
2024-12-05

RECOVERING AMMONIA FOR EXAMPLE FROM COMPOSTING

#62
20240392719
2024-11-28

DIESEL EXHAUST AFTERTREATMENT SYSTEMS AND METHODS

#63
20240390838
2024-11-28

A system for reducing ammonium bisulfate blockage in air preheaters of coal-fired power plants

#64
20240390828
2024-11-28

DEVICE AND METHOD FOR HARMLESS TREATMENT AND REGENERATION OF WASTE LIQUID DISCHARGE DURING WATER GLASS MOLD SHELL HARDENED WITH AMMONIUM CHLORIDE SOLUTION

#65
20240382896
2024-11-21

Ammonia Cracking for Green Hydrogen

#66
20240375048
2024-11-14

EXHAUST GAS PURIFICATION CATALYST DEVICE

#67
20240350963
2024-10-24

GAS SORPTION SYSTEM

#68
20240343593
2024-10-17

AMMONIA CAPTURE AND RECYCLE IN AN AMMONIA CRACKER

#69
20240343561
2024-10-17

METHOD FOR INTEGRATING AMMONIA CRACKING IN A STEAM METHANE REFORMER

#70
20240342674
2024-10-17

APPARATUS FOR INTEGRATING AMMONIA CRACKING IN A STEAM METHANE REFORMER

#71
20240342655
2024-10-17

Catalytic Article for Ammonia Slip Removal From Diesel Exhaust Aftertreatment Systems With Low Weight and Faster Heating

#72
20240342651
2024-10-17

Methods and Equipment for Treatment of Odorous Gas Streams

#73
20240337207
2024-10-10

Gas turbine facility and method for suppressing discharge of ammonia from gas turbine facility

#74
20240326031
2024-10-03

FILTER FOR AIR PURIFICATION AND MANUFACTURING METHOD THEREOF

#75
20240316528
2024-09-26

MANUFACTURING METHOD OF CHEMICAL ADSORBENT FOR REMOVING HARMFUL GASES, AND APPARATUS THEREOF

#76
20240294376
2024-09-05

Ammonia Cracking Process

#77
20240287928
2024-08-29

EXHAUST GAS AFTERTREATMENT SYSTEM

#78
20240279053
2024-08-22

AMMONIA CRACKING FOR GREEN HYDROGEN WITH NOX REMOVAL

#79
20240278175
2024-08-22

METHOD FOR RECYCLING AMMONIA FROM AMMONIA-CONTAINING GAS OR AMMONIA-CONTAINING LIQUID, AMMONIA RECYCLING DEVICE, AND AMMONIA GAS STORAGE DEVICE

#80
20240278164
2024-08-22

ROUND FILTER ELEMENT FOR FILTERING GASEOUS FLUID

#81
20240278163
2024-08-22

ROUND FILTER ELEMENT AND FILTER DEVICE

#82
20240278162
2024-08-22

ROUND FILTER ELEMENT AND FILTER DEVICE

#83
20240270587
2024-08-15

SYSTEMS & METHODS FOR AMMONIA RECOVERY, ACID GAS SEPARATION, OR COMBINATION THEREOF

#84
20240269611
2024-08-15

SCR CATALYST ARTICLE AND SYSTEMS FOR REDUCING N2O IN EXHAUST GAS

#85
20240261720
2024-08-08

METHODS USING LIGAND INSERTION MECHANISM FOR AMMONIA CAPTURE AND STORAGE IN METAL-ORGANIC FRAMEWORKS

#86
20240239655
2024-07-18

DEUTERIUM RECOVERY METHOD AND DEUTERIUM RECOVERY EQUIPMENT

#87
20240226864
2024-07-11

AMMONIA SLIP CATALYST FILTER

#88
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#89
20240226790
2024-07-11

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#90
20240218818
2024-07-04

SYSTEMS AND METHODS FOR MANAGING AMMONIA SLIP WITH A HEATER

#91
20240216892
2024-07-04

TOXIN AND GAS ADSORPTION BY POROUS MELANIN

#92
20240183299
2024-06-06

Exhaust-gas treatment arrangement

#93
20240181425
2024-06-06

Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof

#94
20240181388
2024-06-06

METHOD OF TREATING A PURGE GAS STREAM TO REMOVE AMMONIA

#95
20240173664
2024-05-30

MOBILE FILTER DEVICE

#96
20240166506
2024-05-23

Process and apparatus for cracking ammonia

#97
20240165561
2024-05-23

AN AMMONIA OXIDATION CATALYST AND METHODS FOR ITS PREPARATION

#98
20240139669
2024-05-02

METHOD FOR PREPARING HYDROGEN FROM AMMONIA BY USING PRESSURE SWING ADSORPTION

#99
20240131462
2024-04-25

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#100
20240123403
2024-04-18

CATALYST FOR THE ABATEMENT OF AMMONIA FROM THE EXHAUST OF GASOLINE INTERNAL COMBUSTION ENGINES

#101
20240115992
2024-04-11

EXHAUST GAS SCRUBBER WITH ENERGY INTEGRATION

#102
20240113317
2024-04-04

FUEL CELL CHEMICAL FILTER MONITORING SYSTEM AND METHODS

#103
20240109036
2024-04-04

EXHAUST GAS TREATMENT SYSTEM FOR REDUCING AMMONIA EMISSIONS FROM MOBILE GASOLINE APPLICATIONS

#104
20240109026
2024-04-04

EXHAUST GAS TREATMENT APPARATUS

#105
20240100469
2024-03-28

PRESSURE SWING ADSORPTION APPARATUS FOR HYDROGEN PURIFICATION FROM DECOMPOSED AMMONIA GAS AND HYDROGEN PURIFICATION METHOD USING THE SAME

#106
20240066464
2024-02-29

METHOD AND DEVICE FOR PURIFYING POLLUTED AIR USING DRY AND WET ELECTROSTATIC TREATMENT

#107
20240063031
2024-02-22

PROCESS STOP LOSS REDUCTION SYSTEM THROUGH RAPID REPLACEMENT OF APPARATUS FOR TRAPPING OF REACTION BY-PRODUCT FOR SEMICONDUCTOR PROCESS

#108
20240060441
2024-02-22

Catalyst with magnetic ferrite support material

#109
20240042384
2024-02-08

AIR PURIFIER WITH AIR TREATMENT BASKET

#110
20240033719
2024-02-01

CATALYTIC FILTER FOR GASOLINE ENGINE EXHAUST TREATMENT

#111
20240024860
2024-01-25

Catalyst Composition Comprising Magnetic Material Adapted for Inductive Heating

#112
20240024819
2024-01-25

Catalytic Devices for the Abatement of NH3 and Nox Emissions From Internal Combustion Engines

#113
20240017206
2024-01-18

AN IMPROVED WET SCRUBBER

#114
20240011421
2024-01-11

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#115
20240002222
2024-01-04

METHOD FOR PREPARING HYDROGEN FROM SECONDARY ALUMINUM ASH

#116
20230406699
2023-12-21

AMMONIA DISSOCIATION PROCESS

#117
20230405554
2023-12-21

GRANULATED ADSORBENT AND PROCESS OF PRODUCING THE SAME

#118
20230405519
2023-12-21

DEVICE AND METHOD FOR CONTROLLING AMMONIA ESCAPE IN AMMONIA-BASED DECARBONIZATION SYSTEM

#119
20230399972
2023-12-14

ENGINE SYSTEM COMPRISING A HYDROGEN COMBUSTION ENGINE

#120
20230391618
2023-12-07

Method of generating clean syngas

#121
20230364556
2023-11-16

SYSTEM FOR THE CHEMICAL DECONTAMINATION OF CORROSIVE GASES

#122
20230356198
2023-11-09

Catalyst Composition Comprising Ferrite-Based Magnetic Material Adapted for Inductive Heating

#123
20230356179
2023-11-09

COMBINED ADSORPTION AND CATALYSIS FOR CABIN AIR POLLUTION CONTROL

#124
20230356137
2023-11-09

Air Conditioning and Filtration System

#125
20230321587
2023-10-12

System for removing ammonia, dust and pathogens from air within an animal rearing/sheltering facility

#126
20230321585
2023-10-12

EXHAUST GAS TREATMENT SYSTEM

#127
20230311062
2023-10-05

Biofilter for Biological Purification of a Waste Gas Stream Containing Impurities

#128
20230294489
2023-09-21

Smart multi-modal vehicular air filtering system and associated methods

#129
20230286800
2023-09-14

Method for preparing hydrogen gas

#130
20230271133
2023-08-31

DEVICE FOR TREATING SEMICONDUCTOR PROCESS EXHAUST GAS

#131
20230242395
2023-08-03

Ammonia Cracking for Green Hydrogen

#132
20230226488
2023-07-20

EXHAUST GAS TREATMENT SYSTEM

#133
20230226248
2023-07-20

PHOTOCATALYST FILTER AND ELECTRONIC DEVICE COMPRISING SAME

#134
20230191310
2023-06-22

Trapezoidal-Duct Assisting Poulty Ammonia Gas, Hydrogen Sulfide Gas, and Dust Removal System

#135
20230183920
2023-06-15

Method for removing ammonia from non-condensable gases of a pulp mill

#136
20230182068
2023-06-15

Ammonia Removal in Contaminated Liquid and Gas Streams

#137
20230158453
2023-05-25

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#138
20230113433
2023-04-13

HYDROGEN SULFIDE ADSORPTION PROCESS AND APPARATUS

#139
20230091976
2023-03-23

COLLECTING A GASEOUS POLLUTANT FROM AIR

#140
20230043563
2023-02-09

System for the chemical decontamination of corrosive gases

#141
20230028077
2023-01-26

Filter and a method for removing aldehyde-type VOCs from indoor air

#142
20220410066
2022-12-29

Methods for absorbing a targeted compound from a gas stream for subsequent processing or use

#143
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

#144
20220355243
2022-11-10

Synergetic system and method for waste treatment

#145
20220339581
2022-10-27

CATALYST FOR THE ABATEMENT OF AMMONIA AND NITROGEN OXIDE EMISSIONS FROM THE EXHAUST GASES OF COMBUSTION ENGINES

#146
20220339471
2022-10-27

MULTI-LAYER FILTRATION SYSTEM AND FILTER UNIT COMPRISING SAME

#147
20220333015
2022-10-20

Process for purification and conversion of carbon dioxide using renewable energy

#148
20220288529
2022-09-15

Ammonia separation method and zeolite

#149
20220281809
2022-09-08

Ammonia removal from urea finishing

#150
20220226776
2022-07-21

Systems and methods for concentrating a substance recovered from a gas stream

#151
20220168706
2022-06-02

Composites for extraction of metal or contaminating chemical species

#152
20220126268
2022-04-28

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#153
20220119250
2022-04-21

System and method for generating hydrogen through ammonia adsorption

#154
20220118404
2022-04-21

Methods for absorbing a targeted compound from a gas stream for subsequent processing or use

#155
20220111092
2022-04-14

DEVICE FOR THE GENERATION OF OZONE

#156
20220098036
2022-03-31

Method of producing a cooled syngas of improved quality

#157
20220089527
2022-03-24

Ammonia removal from urea finishing

#158
20220040637
2022-02-10

Exhaust gas treatment system

#159
20220040628
2022-02-10

EXHAUST GAS TREATMENT SYSTEM

#160
20220030824
2022-02-03

Animal litters exhibiting enhanced odor reduction properties, and related methods

#161
20220024797
2022-01-27

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#162
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#163
20210387122
2021-12-16

CATALYST-ADSORBENT FILTER FOR AIR PURIFICATION

#164
20210379559
2021-12-09

Modified metal-organic framework (MOF) compositions, process of making and process of use thereof

#165
20210362124
2021-11-25

GRAPHENE BASED TOBACCO SMOKE FILTER AND A METHOD FOR SYNTHESIZING GRAPHENE COMPOSITION

#166
20210346832
2021-11-11

AIR FILTERS COMPRISING METAL-CONTAINING POLYMERIC SORBENTS

#167
20210309520
2021-10-07

NITROUS OXIDE PURIFICATION METHOD

#168
20210291104
2021-09-23

Air filter for removing aldehyde-like VOCs from indoor air

#169
20210268427
2021-09-02

Filter body, filter element, and filter assembly

#170
20210260521
2021-08-26

Process and plant for purifying crude synthesis gas

#171
20210245089
2021-08-12

Treatment of offgas from urea finishing

#172
20210238058
2021-08-05

Systems and methods for removing ammonia from an ammonia-containing liquid

#173
20210236983
2021-08-05

Sorbent system for removing ammonia and organic compounds from a gaseous environment

#174
20210229034
2021-07-29

Systems and methods for concentrating a substance recovered from a gas stream

#175
20210213155
2021-07-15

Catalyst structure for ozone decomposition

#176
20210180791
2021-06-17

System and process for efficient SCR at high NOto NOratios

#177
20210162343
2021-06-03

METHOD AND DEVICE FOR REMOVING AMMONIA FROM EXHAUST AIR FROM A LIVESTOCK STABLE

#178
20210146339
2021-05-20

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

#179
20210138393
2021-05-13

Ammonia separation method and zeolite

#180
20210121820
2021-04-29

Processes for Removing a Nitrogen-Based Compound from a Gas or Liquid Stream to Produce a Nitrogen-Based Product

#181
20210113730
2021-04-22

DEODORANT

#182
20210060479
2021-03-04

Methods for absorbing a targeted compound from a gas stream for subsequent processing or use

#183
20210053835
2021-02-25

SYSTEMS & METHODS FOR AMMONIA RECOVERY, ACID GAS SEPARATION, OR COMBINATION THEREOF

#184
20210046447
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#185
20210046446
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#186
20210046400
2021-02-18

Chromatographic separation of ammonium sulfate and 2-hydroxy-2-methylpropionic acid

#187
20210031141
2021-02-04

System and method for removing airborne molecular contaminants from gas streams

#188
20210001305
2021-01-07

Monolithic trace-contaminant sorbents fabricated from 3D-printed polymer precursors

#189
20200406187
2020-12-31

Method for Purifying a Gaseous, Liquid or Aerosol Composition Containing at Least One Polluant

#190
20200368668
2020-11-26

Methods and systems for removing ammonia from a gas mixture

#191
20200361858
2020-11-19

Urea production process and plant

#192
20200339434
2020-10-29

Stable ammonia absorbents

#193
20200330918
2020-10-22

Compositions comprising metal organic frameworks for the uptake of compounds and related methods

#194
20200266469
2020-08-20

AMMONIA REMOVAL MATERIAL, AMMONIA REMOVAL METHOD, AND METHOD FOR MANUFACTURING HYDROGEN GAS FOR FUEL CELL AUTOMOBILE

#195
20200261841
2020-08-20

AMMONIA REMOVAL EQUIPMENT, AMMONIA REMOVAL METHOD, AND HYDROGEN GAS PRODUCTION METHOD

#196
20200254377
2020-08-13

Apparatus and method for treatment of process vapours coming from a vacuum concentration section of a urea plant

#197
20200223706
2020-07-16

GIS-type zeolite

#198
20200222853
2020-07-16

BIMETALLIC CATALYSTS FOR SELECTIVE AMMONIA OXIDATION

#199
20200188835
2020-06-18

Method For Removing Gaseous Contaminants From A Fluid Stream

#200
20200179903
2020-06-11

Air Filters Comprising Metal-Containing Sorbents for Nitrogen-Containing Compounds

#201
20200164096
2020-05-28

Air freshener composition and preparation method thereof

#202
20200139301
2020-05-07

Apparatus and method for wet cleaning a gas stream

#203
20200114307
2020-04-16

Ammonia separation method and zeolite

#204
20200087154
2020-03-19

Systems and methods for basic gas recovery, acid gas separation, or combination thereof

#205
20200071237
2020-03-05

System and method for recovering nitrogenous compounds from a gas stream

#206
20200061534
2020-02-27

Method for binding hazardous ammonia in both liquid and gaseous states from organic waste streams using carbon dioxide at ambient temperature and under ambient pressure

#207
20200047152
2020-02-13

Odor neutralizer for ammonia and primary or secondary amines

#208
20200033032
2020-01-30

Ammonia and hydrogen electrochemical climate control systems

#209
20200002239
2020-01-02

Urea ammonium nitrate production

#210
20190374906
2019-12-12

Method and apparatus for removing sulfur oxides from gas

#211
20190366260
2019-12-05

Methods for extracting and recycling ammonia from MOCVD process exhaust gas by FTrPSA

#212
20190366259
2019-12-05

Methods for extracting and recycling hydrogen from MOCVD process exhaust gas by FTrPSA

#213
20190321782
2019-10-24

Method for the Cleaning of Exhaust Gas from a Compression Ignition Engine

#214
20190321781
2019-10-24

Methods and equipment for treatment of odorous gas streams

#215
20190300375
2019-10-03

Process for the production of a zeolitic material via solvent-free interzeolitic conversion

#216
20190299160
2019-10-03

NH3 OVERDOSING-TOLERANT SCR CATALYST

#217
20190283011
2019-09-19

Ammonia slip catalyst with in-situ PT fixing

#218
20190282722
2019-09-19

GAS PROCESSING APPARATUS

#219
20190276392
2019-09-12

Urea ammonium nitrate production comprising condensation

#220
20190275454
2019-09-12

Air filters comprising metal-containing polymeric sorbents

#221
20190263699
2019-08-29

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#222
20190262760
2019-08-29

Wet abatement system

#223
20190225895
2019-07-25

Integration of pressure swing adsorption with hydrocracking for improved hydrogen and liquids recovery

#224
20190224663
2019-07-25

Preparation method of denitration catalyst with wide operating temperature range for flue gas

#225
20190224615
2019-07-25

APPARATUS AND PROCESS FOR PURIFYING SYNGAS

#226
20190218106
2019-07-18

EMM-28, a novel synthetic crystalline material, its preparation and use

#227
20190217248
2019-07-18

Systems and methods for concentrating a substance recovered from a gas stream

#228
20190210874
2019-07-11

Method of producing sulfur-depleted syngas

#229
20190210873
2019-07-11

Conditioned syngas composition, method of making same and method of processing same to produce fuels and/or fischer-tropsch products

#230
20190210001
2019-07-11

Carbon sorbents for the removal of nitrogen oxides and methods for making the same

#231
20190185422
2019-06-20

Urea production process and plant

#232
20190181479
2019-06-13

Air cleaner for fuel cell vehicle

#233
20190168181
2019-06-06

Solid-gas reaction substance-filled reactor and method for manufacturing the same

#234
20190161412
2019-05-30

Graphene based tobacco smoke filter and a method for synthesizing graphene composition

#235
20190143269
2019-05-16

Closed-environment air purification system

#236
20190143268
2019-05-16

System and method for washing and treating fermentation odor and combustion flue gas

#237
20190143265
2019-05-16

Method and apparatus for removing sulfur oxides from gas

#238
20190111390
2019-04-18

Recovery method for ammonium bicarbonate solution

#239
20190092645
2019-03-28

Ammonia production method

#240
20190091362
2019-03-28

MALODOR ABATEMENT IN WASTE PRODUCTS

#241
20190084831
2019-03-21

Ammonia cracking

#242
20190070596
2019-03-07

Catalyst composition comprising magnetic material adapted for inductive heating

#243
20190060865
2019-02-28

Carbide derived carbon for use in chemical scrubbers

#244
20190046925
2019-02-14

Method and apparatus for removing sulfur oxides from gas

#245
20190031521
2019-01-31

Crystalline metallophosphates, their method of preparation, and use

#246
20190015811
2019-01-17

Urea production with bi-pressurized synthesis

#247
20190010050
2019-01-10

Unconditioned syngas composition and method of cleaning up same for fischer-tropsch processing

#248
20190001253
2019-01-03

Filter medium

#249
20180354895
2018-12-13

Urea ammonium nitrate production comprising condensation

#250
20180354867
2018-12-13

System and method for recovering nitrogenous compounds from a gas stream

#251
20180353933
2018-12-13

Metal-containing sorbents for nitrogen-containing compounds

#252
20180345762
2018-12-06

Smart multi-modal vehicular air filtering system and associated methods

#253
20180345190
2018-12-06

Catalytic filter material

#254
20180327263
2018-11-15

Process and apparatus for treating a sour synthesis gas

#255
20180326349
2018-11-15

Method for Removing a Nitrogen-Based Compound from a Gas Stream to Produce a Nitrogen-Based Product

#256
20180326347
2018-11-15

Systems and methods for high CO2 ammonia purification

#257
20180326346
2018-11-15

Emissions control system with CZTS sorbents, CZTS-based alloy sorbents, and/or carbon-based sorbents and method of use

#258
20180323457
2018-11-08

AMMONIA REMOVAL MATERIAL, AMMONIA REMOVAL METHOD, AND METHOD FOR MANUFACTURING HYDROGEN GAS FOR FUEL CELL AUTOMOBILE

#259
20180318762
2018-11-08

Processing apparatus equipped with catalyst-supporting honeycomb structure, and method for manufacturing same

#260
20180318754
2018-11-08

Dual system process for ammonia vapor recovery

#261
20180311606
2018-11-01

Complex malodor removing equipment

#262
20180311599
2018-11-01

Stabilized protein fiber air filter materials and methods

#263
20180296979
2018-10-18

Exhaust gas purification material

#264
20180290937
2018-10-11

Urea ammonium nitrate production

#265
20180264405
2018-09-20

Ozone oxidation decomposition treatment method for VOCs and/or gaseous inorganic reducing compounds in gas

#266
20180250621
2018-09-06

Supply air arrangement for a mobile device

#267
20180250430
2018-09-06

AIR MONITORING AND FILTRATION DEVICE FOR DETECTING AND REMOVING ODORS

#268
20180243689
2018-08-30

Gas filters for basic contaminants

#269
20180221692
2018-08-09

Filter media for respiratory protection

#270
20180214813
2018-08-02

Protein nanofiber air filter materials and methods

#271
20180214812
2018-08-02

Abatement system

#272
20180209644
2018-07-26

Inlet assembly

#273
20180147530
2018-05-31

NHoverdosing-tolerant SCR catalyst

#274
20180127954
2018-05-10

Water production apparatus for rigorous climates

#275
20180126358
2018-05-10

Sorbent systems and methods

#276
20180117563
2018-05-03

Carbide-derived carbons having incorporated metal chloride or metallic nanoparticles

#277
20180099262
2018-04-12

System with multiple adsorbents for ammonia and organic removal

#278
20180065070
2018-03-08

Air filter comprising a multilayer filter material

#279
20180050909
2018-02-22

Method for converting biomass into fischer-tropsch products with carbon dioxide recycling

#280
20180050309
2018-02-22

High selectivity copolyimide membranes for separations

#281
20180029017
2018-02-01

PHOTOCATALYTIC FILTER FOR DEGRADING MIXED GAS AND MANUFACTURING METHOD THEREOF

#282
20180001250
2018-01-04

Air cleaning system

#283
20170368541
2017-12-28

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

#284
20170341010
2017-11-30

Compositions comprising metal organic frameworks for the uptake of compounds and related methods

#285
20170326527
2017-11-16

CARBON POROUS BODY, PRODUCTION METHOD THEREOF, AMMONIA ADSORBENT MATERIAL, CANISTER, AND PRODUCTION METHOD THEREOF

#286
20170326264
2017-11-16

Compact air cleaner using UV LED and photocatalytic filter

#287
20170312685
2017-11-02

Processes for filtering chemicals from air streams

#288
20170304814
2017-10-26

Method for producing catalyst fibrous structure

#289
20170304812
2017-10-26

STA-19, a new member of the GME family of molecular sieve zeotypes, methods of preparation and use

#290
20170267539
2017-09-21

Integrated process for carbon capture and energy production

#291
20170263964
2017-09-14

Rechargeable battery assembly for a vehicle

#292
20170248309
2017-08-31

Process for managing photobioreactor exhaust

#293
20170216769
2017-08-03

Method for removing contaminant from a fluid stream

#294
20170209849
2017-07-27

Catalyst and method for preparing a catalyst

#295
20170189847
2017-07-06

Vehicular air filter providing high efficiency particle and gas filtration

#296
20170182475
2017-06-29

Sulfonic acid-containing polymeric materials as amine sorbents

#297
20170166446
2017-06-15

Method for syngas clean-up of semi-volatile organic compounds with metal removal

#298
20170158521
2017-06-08

EMM-28, a novel synthetic crystalline material, its preparation and use

#299
20170157593
2017-06-08

Use of catalysts, method and apparatus for selective oxidation of ammonia in a gas containing hydrogen

#300
20170152149
2017-06-01

Process for making ammonia