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Purification or separation of specific gases
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by adsorption in solids
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last 30 patents
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Method and arrangement for recovering a helium product from natural...
Patent number
11,986,770
Issue date
May 21, 2024
Linde GmbM
Martin Bauer
C01 - INORGANIC CHEMISTRY
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Patent Grant
Apparatus and system for generating nitrogen gas through dehumidify...
Patent number
11,978,935
Issue date
May 7, 2024
MICRO CONTROL SYSTEMS LTD.
Katsumichi Tagami
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Continuous carbonaceous matter thermolysis and pressurized char act...
Patent number
11,834,338
Issue date
Dec 5, 2023
John W. Black
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen conservation in polymerization processes
Patent number
11,623,176
Issue date
Apr 11, 2023
Chevron Phillips Chemical Company LP
Lei Ji
C01 - INORGANIC CHEMISTRY
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Patent Grant
Helium recovery from gaseous streams
Patent number
11,325,066
Issue date
May 10, 2022
Saudi Arabian Oil Company
Feras Hamad
C01 - INORGANIC CHEMISTRY
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Patent Grant
Oxygen concentrator
Patent number
11,247,014
Issue date
Feb 15, 2022
Teijin Pharma Limited
Ryo Koizumi
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method for collecting hard olefin
Patent number
11,130,721
Issue date
Sep 28, 2021
HYOSUNG CHEMICAL CORPORATION
Bu Young Jo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Ammonia decomposition apparatus and system and hydrogen production...
Patent number
11,084,012
Issue date
Aug 10, 2021
National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou...
Lilong Jiang
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Rotary valve assembly for pressure swing adsorption system
Patent number
10,843,120
Issue date
Nov 24, 2020
Koninklijke Philips N.V.
Joseph Thomas Dolensky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Nitrogen conservation in polymerization processes
Patent number
10,792,609
Issue date
Oct 6, 2020
Chevron Phillips Chemical Company LP
Lei Ji
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Helium recovery from gaseous streams
Patent number
10,765,995
Issue date
Sep 8, 2020
Saudi Arabian Oil Company
Feras Hamad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separation process and apparatus for light noble gas
Patent number
10,478,770
Issue date
Nov 19, 2019
Air Products and Chemicals, Inc.
Cory E. Sanderson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Oxygen production process of VSA type with period regeneration
Patent number
10,377,630
Issue date
Aug 13, 2019
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Pierre Jean Louis Petit
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Argon production method and apparatus
Patent number
9,759,482
Issue date
Sep 12, 2017
Praxair Technology, Inc.
Henry E. Howard
C01 - INORGANIC CHEMISTRY
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Patent Grant
Methods and systems for supplying hydrogen to a hydrocatalytic reac...
Patent number
9,644,152
Issue date
May 9, 2017
Shell Oil Company
Andries Quirin Maria Boon
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method and installation for the combined production of ammonia synt...
Patent number
9,206,041
Issue date
Dec 8, 2015
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Arthur Darde
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and device for separating argon from a gas mixture
Patent number
9,139,436
Issue date
Sep 22, 2015
ReiCat GmbH
Michael Wanner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying and recycling argon
Patent number
6,685,903
Issue date
Feb 3, 2004
Praxair Technology, Inc.
Kenneth K. Wong
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Purification of gases
Patent number
6,511,640
Issue date
Jan 28, 2003
The BOC Group, Inc.
Ravi Kumar
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for purifying and concentrating a gas mixture into a minor c...
Patent number
6,440,196
Issue date
Aug 27, 2002
Commissariat a l'Energie Atomique
Remo Chiappini
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Recovery and purification of gases used in medical processes
Patent number
6,408,849
Issue date
Jun 25, 2002
Aeronex, Inc.
Jeffrey J. Spiegelman
C01 - INORGANIC CHEMISTRY
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Patent Grant
Production plant and process comprising several treatment steps
Patent number
6,290,750
Issue date
Sep 18, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Patrice Ollivier
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the separation/recovery of gases
Patent number
6,179,900
Issue date
Jan 30, 2001
GKSS Forschungszentrum Geesthacht GmbH
Rolf-Dieter Behling
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for purification of argon
Patent number
6,123,909
Issue date
Sep 26, 2000
Air Liquide Japan, Ltd.
Takao Yamamoto
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for argon purification
Patent number
6,113,869
Issue date
Sep 5, 2000
The BOC Group, Inc.
Ravi Jain
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and device for the production of ultra-pure inert gas
Patent number
6,047,561
Issue date
Apr 11, 2000
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Daniel Gary
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Argon purification process
Patent number
5,783,162
Issue date
Jul 21, 1998
Teisan Kabushiki Kaisha
Shinji Tomita
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process and plant for generating nitrogen for heat treatment
Patent number
5,728,354
Issue date
Mar 17, 1998
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Didier Domergue
C21 - METALLURGY OF IRON
Information
Patent Grant
Helium recovery from higher helium content streams
Patent number
5,707,425
Issue date
Jan 13, 1998
Nitrotec Corporation
Joseph S. D'Amico
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Argon recovery from silicon crystal furnace
Patent number
5,706,674
Issue date
Jan 13, 1998
Air Products and Chemicals, Inc.
Thomas Hsiao-Ling Hsiung
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
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Patent Application
PROCESS FOR PRODUCING VERY HIGH PURITY HELIUM OR HYDROGEN
Publication number
20240132353
Publication date
Apr 25, 2024
Air Liquide Advanced Technologies US LLC
Paul TERRIEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM
Publication number
20240131466
Publication date
Apr 25, 2024
TEIJIN PHARMA LIMITED
Norihiro FUJITA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD TO CONTROL SYNGAS COMPOSITION FROM AN ENGINE-BASED SYNGAS GE...
Publication number
20240051824
Publication date
Feb 15, 2024
Research Triangle Institute
Sameer Paravathikar
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PRODUCTION SYSTEM, PRODUCTION METHOD AND APPLICATION OF GENERAL-PUR...
Publication number
20240042343
Publication date
Feb 8, 2024
Beijing University of Chemical Technology
Qunsheng LI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
HELIUM RECOVERY PROCESS
Publication number
20230382735
Publication date
Nov 30, 2023
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Stefan LINDT
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CONTINUOUS CARBONACEOUS MATTER THERMOLYSIS AND PRESSURIZED CHAR ACT...
Publication number
20230382740
Publication date
Nov 30, 2023
John W. Black
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Sorption-enhanced water-gas shift process for the formation of a CO...
Publication number
20230331547
Publication date
Oct 19, 2023
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO
Jebin Duthie James
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CARBON DIOXIDE RECOVERY SYSTEM
Publication number
20230285890
Publication date
Sep 14, 2023
DENSO CORPORATION
Takamasa ITO
C01 - INORGANIC CHEMISTRY
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Patent Application
BREATH DETECTION WITH MOVEMENT COMPENSATION
Publication number
20230112985
Publication date
Apr 13, 2023
ResMed Asia Pte. Ltd.
Kyi Thu MAUNG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND METHOD FOR GENERATING NITROGEN GAS THROUGH DEHUMIDIFY...
Publication number
20220311035
Publication date
Sep 29, 2022
MICRO CONTROL SYSTEMS LTD.
Katsumichi TAGAMI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
EFFICIENT VACUUM PRESSURE SWING ADSORPTION SYSTEMS AND METHODS
Publication number
20220257895
Publication date
Aug 18, 2022
ResMed Asia Pte. Ltd.
Rex Dael NAVARRO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
METHOD AND A DEVICE FOR OPERATING PEM FUEL CELL WITH CO CONTAMINATE...
Publication number
20210376363
Publication date
Dec 2, 2021
Indian Oil Corporation Limited
Chinmay CHAUDHARI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
OXYGEN CONCENTRATOR
Publication number
20210178103
Publication date
Jun 17, 2021
TEIJIN PHARMA LIMITED
Ryo KOIZUMI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
METHOD FOR COLLECTING HARD OLEFIN
Publication number
20210130263
Publication date
May 6, 2021
HYOSUNG CHEMICAL CORPORATION
Bu Young JO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HELIUM RECOVERY FROM GASEOUS STREAMS
Publication number
20210031139
Publication date
Feb 4, 2021
Saudi Arabian Oil Company
Feras Hamad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Ammonia Decomposition Apparatus and System and Hydrogen Production...
Publication number
20200398240
Publication date
Dec 24, 2020
National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou...
Lilong Jiang
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Nitrogen Conservation in Polymerization Processes
Publication number
20200306684
Publication date
Oct 1, 2020
Chevron Phillips Chemical Company LP
Lei Ji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Nitrogen Conservation in Polymerization Processes
Publication number
20190336906
Publication date
Nov 7, 2019
Chevron Phillips Chemical Company LP
Lei Ji
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Separation Process and Apparatus for Light Noble Gas
Publication number
20190193018
Publication date
Jun 27, 2019
Air Products and Chemicals, Inc.
Cory E. Sanderson
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS AND PLANT FOR OBTAINING PURE HELIUM
Publication number
20190176083
Publication date
Jun 13, 2019
Linde Aktiengesellschaft
Martin BAUER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ROTARY VALVE ASSEMBLY FOR PRESSURE SWING ADSORPTION SYSTEM
Publication number
20190126189
Publication date
May 2, 2019
Koninklijke Philips N.V.
Joseph Thomas DOLENSKY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HELIUM RECOVERY FROM GASEOUS STREAMS
Publication number
20180353898
Publication date
Dec 13, 2018
Saudi Arabian Oil Company
Feras Hamad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OXYGEN PRODUCTION PROCESS OF VSA TYPE WITH PERIOD REGENERATION
Publication number
20180079644
Publication date
Mar 22, 2018
Pierre Jean Louis PETIT
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
FILTER DEVICE AND OXYGEN ENRICHING APPARATUS
Publication number
20180056221
Publication date
Mar 1, 2018
Breath Technology Co., Ltd.
Hideaki TSUTSUMI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
ARGON PRODUCTION METHOD AND APPARATUS
Publication number
20170198968
Publication date
Jul 13, 2017
Henry E. Howard
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE MANUFACTURE OF UREA
Publication number
20170152219
Publication date
Jun 1, 2017
Rachid Mabrouk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
HELIUM RECOVERY PROCESS AND APPARATUS
Publication number
20160115029
Publication date
Apr 28, 2016
UOP LLC
Manu G. R. Van Leuvenhaege
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND INSTALLATION FOR THE COMBINED PRODUCTION OF AMMONIA SYNT...
Publication number
20150191351
Publication date
Jul 9, 2015
L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procédés Ge...
Arthur Darde
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR SEPARATING ARGON FROM A GAS MIXTURE
Publication number
20120085125
Publication date
Apr 12, 2012
ReiCat GmbH
Michael Wanner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHODS AND APPARATUSES FOR AMMONIA PRODUCTION
Publication number
20080311022
Publication date
Dec 18, 2008
Battelle Energy Alliance, LLC
Robert A. Carrington
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL