C01B 23 - Noble gases; Compounds thereof

Patents for C01B 23 - Noble gases; Compounds thereof (1,372)
09/1996
09/24/1996	US5557951 Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
09/11/1996	CN1130542A Deoxidation method for inert gas
09/03/1996	CA2109038C Cryogenic rectification system with thermally integrated argon column
08/1996
08/21/1996	EP0727557A1 Process and installation for charging a filling gas into an enclosure
08/20/1996	US5547492 Pressure swing adsorption
08/18/1996	CA2169600A1 Process for introducing a filling gas in an enclosure and apparatus for application of same process
08/06/1996	US5542966 Helium recovery
07/1996
07/31/1996	EP0723931A1 Process for the elimination of impurities from a gaseous composition
07/10/1996	CN1126307A Model predictive control method for an air-seperation system
07/03/1996	EP0719609A2 A process for producing high-porosity non-evaporable getter materials and materials thus obtained
07/03/1996	CN1125838A Method and apparatus for seperating air with low temperature
06/1996
06/12/1996	EP0716280A2 Methods and apparatus for the low temperature air separation
06/04/1996	US5522224 Analyzing intermediate and downstream output products to correct future predicted errors; cryogenics; accuracy
05/1996
05/23/1996	DE19548010A1 Organyl substd. amino oligo:alkyl ether physical absorption agents
05/02/1996	WO1996012551A1 Filter material and process for producing no2-free gases
05/02/1996	DE4437985A1 Polyarylene ethers are used in the prodn. of respiratory filters and to remove nitrogen dioxide from gas mixtures
04/1996
04/22/1996	CA2160848A1 Helium recovery
04/17/1996	CN1120651A Process and apparatus for recovery of pure argon
04/09/1996	US5505051 Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation
03/1996
03/13/1996	EP0701186A2 Model predictive control method for an air-separation system
02/1996
02/28/1996	EP0698737A1 Method of pumping very low temperature helium gas with a scroll pump
01/1996
01/25/1996	WO1996001685A1 An in-situ crystallized zeolite containing composition (lai-isc)
01/25/1996	CA2193258A1 An in-situ crystallized zeolite containing composition (lai-isc)
01/17/1996	EP0521849B1 Process and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom
12/1995
12/06/1995	CN1112999A Process and apparatus for the recovery of pure argon
11/1995
11/29/1995	EP0684066A2 Method of recovering a light element from a dilute feed
11/28/1995	CA2021175C Chabazite for gas separation
10/1995
10/11/1995	CN1109897A Insulating foam of low thermal conductivity and method of preparation
10/03/1995	US5454923 Inert gas purifying system
09/1995
09/26/1995	US5452583 Coolant recovery system
09/13/1995	EP0671359A1 Cryogenic refrigeration method
09/07/1995	DE19507981A1 Air distillation argon column base linked by pipe and valve to main assembly
08/1995
08/30/1995	EP0669509A1 Process and apparatus for obtaining pure argon
08/30/1995	EP0669508A1 Process and apparatus for obtaining pure argon
08/25/1995	CA2142318A1 Process and apparatus for recovery of pure argon
08/25/1995	CA2142317A1 Process and apparatus for the recovery of pure argon
08/10/1995	WO1995021012A1 Apparatus for detection and separation of heavy noble gases
06/1995
06/28/1995	EP0659812A2 Insulating foam of low thermal conductivity and method of preparation
06/27/1995	CA1336041C Separation of gas mixtures including hydrogen
05/1995
05/09/1995	US5413848 Insulating foam of low thermal conductivity and method of preparation
05/09/1995	CA2075232C Vaporization of liquid oxygen for increased argon recovery
05/03/1995	CN1102138A Purification of fluids by adsorption
04/1995
04/19/1995	EP0628096A4 Inert gas purifying system.
04/19/1995	CN1028207C Method for extracting ammonia from the discharging gas of methanol tail gas synthesizing ammonia and getting highly pure hydrogen at the same time
04/05/1995	EP0646543A1 Purification of fluids by adsorption
03/1995
03/31/1995	CA2132384A1 Purification of fluids by adsorption
03/21/1995	US5399246 Inert gas purification
03/21/1995	CA2075746C Cryogenic rectification system for enhanced argon production
03/02/1995	WO1995006146A1 Argon purification (system two)
03/02/1995	WO1995005885A1 Crude argon purification (system one)
02/1995
02/21/1995	US5391358 Gas purification system
02/21/1995	US5390533 For integrity testing with gas
02/14/1995	US5389695 Blowing mixture of carbon dioxide and inert gas; removal of carbon dioxide with alkaline reagent
01/1995
01/17/1995	US5382280 Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture
01/03/1995	US5377491 Coolant recovery process
12/1994
12/27/1994	US5377217 Gas mixtures for excimer lasers
12/14/1994	EP0628096A1 Inert gas purifying system
11/1994
11/29/1994	US5368836 Low-template clathrasil
11/01/1994	US5359857 Installation for air liquefaction separation and process therefor
10/1994
10/26/1994	EP0621070A2 Pressurizing with and recovering helium
10/22/1994	CA2121743A1 Pressurizing with and recovering helium
10/19/1994	CN1093795A Coolant recovery system
10/19/1994	CN1093678A Purification of crude argon
09/1994
09/07/1994	EP0613857A1 Purification of crude argon
09/06/1994	US5344480 Pressurizing with and recovering helium
09/03/1994	CA2116708A1 Purification of crude argon
08/1994
08/31/1994	CN1091331A Purification system using heat of compression
07/1994
07/13/1994	EP0606081A1 Purification system using heat of compression
07/12/1994	CA2049499C Argon recovery from partial oxidation based ammonia plant waste gases
07/07/1994	CA2112823A1 Purification system using heat of compression
06/1994
06/29/1994	CN1088471A Purification of argon by cryogenic adsorption
06/15/1994	EP0601601A1 Coolant recovery system
06/09/1994	WO1994012432A1 Gas purification
05/1994
05/18/1994	CN1024526C End purifying device suitable for N,A, He
05/03/1994	USRE34595 Separation and purification by passing through solid electrolyte permselective membrane
04/1994
04/27/1994	EP0594214A1 Cryogenic rectification system with thermally integrated argon column
04/27/1994	CN1086010A Cryogenic rectification system with thermally integrated argon column
04/26/1994	US5305611 Cryogenic rectification system with thermally integrated argon column
03/1994
03/15/1994	US5294422 Process for purification of rare gas
03/02/1994	EP0584747A1 Gas purification process and system
02/1994
02/23/1994	EP0583748A1 Method for recovering oxygen from oxygen-containing gaseous mixtures
02/15/1994	CA2103620A1 Method for recovering oxygen from oxygen-containing gaseous mixtures
01/1994
01/19/1994	EP0579290A2 Separation of gas mixtures including hydrogen
01/19/1994	EP0579289A2 Separation of gas mixtures
11/1993
11/24/1993	CN1022824C Molecular sieve adsorbent for removing trace Kr, nitrogen oxides from Xe
11/10/1993	EP0569310A1 Installation for air liquefaction separation and process therefor
10/1993
10/26/1993	US5255522 Vaporization of liquid oxygen for increased argon recovery
10/13/1993	EP0565242A1 Gas mixtures for excimer lasers
10/05/1993	CA2093301A1 Gas mixtures for excimer lasers
09/1993
09/21/1993	US5245831 Cryogenic air separation; transferring refrigeration from bottom of low pressure column to top of crude argon column
09/15/1993	CN1076269A Process and apparatus for separating air
09/08/1993	EP0559059A1 Low template clathrasile
09/08/1993	CN1075934A Low-template clathrasil
09/03/1993	CA2090538A1 Low-template clathrasil
09/02/1993	WO1993017156A1 Inert gas purifying system
08/1993
08/25/1993	EP0556503A1 Vaporization of liquid oxygen for increased argon recovery
08/17/1993	CA1321361C Membrane unit turn-down control system
08/14/1993	CA2089052A1 Single heat pump cycle for increased argon recovery
08/10/1993	US5234472 Separation of gas mixtures including hydrogen
07/1993
07/14/1993	CN1021547C Seperation method with adsorption

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