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Separation of gases or vapours Recovering vapours of volatile solvents from gases Chemical or biological purification of waste gases
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Nitrogen oxides
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last 30 patents
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Patent Grant
Method and device to reduce emissions of nitrogen oxides and increa...
Patent number
11,927,345
Issue date
Mar 12, 2024
XRG Technologies, LLC
Erwin Platvoet
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flue gas low-temperature adsorption denitrification method
Patent number
11,925,898
Issue date
Mar 12, 2024
Huaneng Clean Energy Research Institute
Shiqing Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process for reducing the content of NOx and N2O from a tail gas of...
Patent number
11,925,900
Issue date
Mar 12, 2024
Casale SA
Fabio Laurenzi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Noxious gas purificant and its preparation and purification method...
Patent number
11,911,740
Issue date
Feb 27, 2024
Liwei Huang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Apparatus and method for removing nitrogen oxide from exhaust gas
Patent number
11,883,781
Issue date
Jan 30, 2024
Korea Institute of Machinery & Materials
Hak Joon Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Chemical sequestering of CO2, NOx and SO2
Patent number
11,857,920
Issue date
Jan 2, 2024
Robert George Richardson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Copper CHA zeolite catalysts
Patent number
11,845,067
Issue date
Dec 19, 2023
BASF Corporation
Ivor Bull
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of atmospheric pollutants from gas, related apparatuses, pr...
Patent number
11,839,862
Issue date
Dec 12, 2023
Intelligent Abatement, LLC
Robert George Richardson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalysed filter system for treating particulate-containing exhaust...
Patent number
11,833,471
Issue date
Dec 5, 2023
Paul Joseph Andersen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of and device for removing nitrogen oxide in gas
Patent number
11,813,567
Issue date
Nov 14, 2023
Korea Institute of Science and Technology
Dong Ki Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Tetra-functional catalyst for the oxidation of NO, the oxidation of...
Patent number
11,794,174
Issue date
Oct 24, 2023
BASF Corporation
Robert Dorner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
High mechanical strength sorbent product, system, and method for co...
Patent number
11,759,762
Issue date
Sep 19, 2023
CARBONXT, INC.
David W. Mazyck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Removal of atmospheric pollutants from gas, related apparatus, proc...
Patent number
11,738,306
Issue date
Aug 29, 2023
Intelligent Abatement, LLC
Roger Glenn Miller
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Removal of atmospheric pollutants from gas, related apparatus, proc...
Patent number
11,701,614
Issue date
Jul 18, 2023
Intelligent Abatement, LLC
Roger Glenn Miller
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Exhaust gas purifying catalyst
Patent number
11,701,615
Issue date
Jul 18, 2023
Cataler Corporation
Shu Miyasaka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Nitrogen oxide absorption slurry and a preparation and use method t...
Patent number
11,642,626
Issue date
May 9, 2023
Liwei Huang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Treatment of acid gases using molten alkali metal borates, and asso...
Patent number
11,602,716
Issue date
Mar 14, 2023
Massachusetts Institute of Technology
Trevor Alan Hatton
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method for desulphurizating and denitrating flue gas in integrated...
Patent number
11,577,199
Issue date
Feb 14, 2023
CHINA HUANENG GROUP CO., LTD
Shiqing Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Renewable transportation fuel process with thermal oxidation system
Patent number
11,578,278
Issue date
Feb 14, 2023
Honeywell International Inc.
Jan De Ren
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
Regenerable solvent mixtures for acid-gas separation
Patent number
11,559,763
Issue date
Jan 24, 2023
Research Triangle Institute
Marty Lail
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Copper CHA zeolite catalysts
Patent number
11,529,619
Issue date
Dec 20, 2022
BASF Corporation
Ivor Bull
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Angled adsorbent filter media design in tangential flow applications
Patent number
11,524,257
Issue date
Dec 13, 2022
Environmental Management Confederation, Inc.
Forwood C. Wiser
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Methods and systems for removing contaminants from flue gas on a sh...
Patent number
11,491,441
Issue date
Nov 8, 2022
Chevron U.S.A. Inc.
Marcus Vinicius Dutra e Mello
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for reducing nitrogen dioxide in exhaust gas generated durin...
Patent number
11,484,834
Issue date
Nov 1, 2022
SK GAS CO., LTD.
Ung Gi Hong
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Transition metal/zeolite SCR catalysts
Patent number
11,478,748
Issue date
Oct 25, 2022
Johnson Matthey Public Limited Company
Joseph Michael Fedeyko
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Greenhouse gas converter chamber
Patent number
11,471,828
Issue date
Oct 18, 2022
Tilahun Anshu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Catalytic articles
Patent number
11,471,863
Issue date
Oct 18, 2022
BASF Corporation
Shiang Sung
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Generation of an alkaline liquid and forming a continuous generatio...
Patent number
11,465,908
Issue date
Oct 11, 2022
Global Carbon Emissions Solutions, LLC
Lai O. Kuku
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Gas purification device
Patent number
11,441,087
Issue date
Sep 13, 2022
MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
Kaori Yoshida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process of cultivating microalgae and a joint method of same with a...
Patent number
11,434,466
Issue date
Sep 6, 2022
China Petroleum and Chemical Corporation
Junfeng Rong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR REMOVING NITROGEN OXIDES FROM COMBUSTION FUMES WITH ON-S...
Publication number
20240125472
Publication date
Apr 18, 2024
Casale SA
Raffaele OSTUNI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHODS AND SYSTEMS FOR REDUCING NITROGEN OXIDES (NOx) IN A HEAT GE...
Publication number
20240115996
Publication date
Apr 11, 2024
MARATHON PETROLEUM COMPANY LP
David C. Rudd
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REMOVAL OF ATMOSPHERIC POLLUTANTS FROM GAS, RELATED APPARATUS, PROC...
Publication number
20240115995
Publication date
Apr 11, 2024
Intelligent Abatement, LLC
Roger Glenn Miller
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
RARE EARTH ELEMENT CONTAINING ZEOLITIC MATERIAL HAVING THE AEI FRAM...
Publication number
20240109058
Publication date
Apr 4, 2024
BASF SE
Andrei-Nicolae Parvulescu
C01 - INORGANIC CHEMISTRY
Information
Patent Application
COPPER CHA ZEOLITE CATALYSTS
Publication number
20240091751
Publication date
Mar 21, 2024
BASF Corporation
Ivor Bull
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CHEMICAL SEQUESTERING OF CO2, NOx and SO2
Publication number
20240091702
Publication date
Mar 21, 2024
Robert George Richardson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SULPHUR TOLERANCE IN Cu-SCR CATALYSTS
Publication number
20240058751
Publication date
Feb 22, 2024
Johnson Matthey Public Limited Company
Kaneshalingam ARULRAJ
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
IMPROVING CATALYTIC EFFICIENCY OF FLUE GAS FILTRATION THROUGH SALT...
Publication number
20240058750
Publication date
Feb 22, 2024
W.L. GORE & ASSOCIATES, INC.
Zhuonan Song
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
TREATMENT OF ACID GASES USING MOLTEN ALKALI METAL BORATES, AND ASSO...
Publication number
20240033684
Publication date
Feb 1, 2024
Massachusetts Institute of Technology
Trevor Alan Hatton
C01 - INORGANIC CHEMISTRY
Information
Patent Application
FURNACE OPERATION METHOD
Publication number
20240025787
Publication date
Jan 25, 2024
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Remi TSIAVA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CENTRAL CONTROLLER FOR COMPLETELY CLEANING INDOOR AIR POLLUTION
Publication number
20240001278
Publication date
Jan 4, 2024
Microjet Technology Co., Ltd.
Hao-Jan Mou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NOXIOUS GAS PURIFICANT AND ITS PREPARATION AND PURIFICATION METHOD...
Publication number
20240001332
Publication date
Jan 4, 2024
Liwei Huang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND SYSTEM FOR PREPARING UREA BY COUPLING DENITRATION WITH E...
Publication number
20230391716
Publication date
Dec 7, 2023
TSINGHUA UNIVERSITY
Yue PENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PHOTOREACTOR AND SOURCE FOR GENERATING UV AND VUV
Publication number
20230360902
Publication date
Nov 9, 2023
United Kingdom Research and Innovation
Alex Robinson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DEVICE FOR GENERATING HYDROXYL RADICALS
Publication number
20230355823
Publication date
Nov 9, 2023
OHMNIA GLOBAL TECHNOLOGIES, S.L.
Jose Luis Becerril Ruiz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD OF AND DEVICE FOR REMOVING NITROGEN OXIDE IN GAS
Publication number
20230321599
Publication date
Oct 12, 2023
Korea Institute of Science and Technology
Dong Ki LEE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR CLEANING EXHAUST GAS
Publication number
20230277984
Publication date
Sep 7, 2023
NanoMist Technologies Co., Ltd.
Kazuo MATSUURA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DUAL PRESSURE PLANT FOR THE PRODUCTION OF NITRIC ACID AND METHOD FO...
Publication number
20230264957
Publication date
Aug 24, 2023
YARA INTERNATIONAL ASA
Bent VIGELAND
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A METHOD AND ARRANGEMENT FOR MANAGING AND CONTROLLING NITROGEN EMIS...
Publication number
20230241552
Publication date
Aug 3, 2023
VALMET AB
Martin WIMBY
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION
Publication number
20230241547
Publication date
Aug 3, 2023
Research Triangle Institute
Marty Lail
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TREATMENT OF IMPURITIES IN PROCESS STREAMS
Publication number
20230219036
Publication date
Jul 13, 2023
8 RIVERS CAPITAL, LLC
Xijia Lu
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
MICROWAVE PLASMA SYSTEM FOR EFFICIENTLY PRODUCING NITRIC ACID AND N...
Publication number
20230219052
Publication date
Jul 13, 2023
Nitricity, Inc.
Joshua M. MCENANEY
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
METHOD FOR DENITRATION OF FLUE GAS
Publication number
20230201767
Publication date
Jun 29, 2023
BEIJING JIAOTONG UNIVERSITY
Hong YAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
ABSORPTION COLUMN COMPRISING A FEED BOX HAVING A SERRATED WEIR AND...
Publication number
20230202845
Publication date
Jun 29, 2023
Yara International ASA
Halvor ØIEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
RECOMBINANT MICROORGANISM HAVING ENHANCED ABILITY TO REMOVE NITRIC...
Publication number
20230183755
Publication date
Jun 15, 2023
Samsung Electronics Co., Ltd.
Yu Kyung Jung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND METHOD FOR REMOVING NITROGEN OXIDE FROM EXHAUST GAS
Publication number
20230087167
Publication date
Mar 23, 2023
Korea Institute of Machinery and Materials
Hak Joon KIM
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
COPPER CHA ZEOLITE CATALYSTS
Publication number
20230081351
Publication date
Mar 16, 2023
BASF Corporation
Ivor Bull
C01 - INORGANIC CHEMISTRY
Information
Patent Application
COMPOSITIONS FOR REDUCING INHALATION OF TOXIC AIR POLLUTION COMPONENTS
Publication number
20230077113
Publication date
Mar 9, 2023
Innonix Technologies, Inc.
Wylie Wing Nien O
B60 - VEHICLES IN GENERAL
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Patent Application
TRANSITION METAL/ZEOLITE SCR CATALYSTS
Publication number
20230001353
Publication date
Jan 5, 2023
Johnson Matthey Public Limited Company
Paul Joseph ANDERSEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PHOTOLYTIC CONVERTER
Publication number
20220412893
Publication date
Dec 29, 2022
GLOBAL ANALYZER SYSTEMS LIMITED
Charles Anim Odame-Ankrah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL