Patents
Patents for C01B 23 - Noble gases; Compounds thereof (1,372)
02/2001
02/28/2001EP1078675A2 Fluid separation process and separation system therefor
02/27/2001CA2317061A1 Fluid separation process and separation system therefor
02/20/2001US6190510 Applying electricity to gas flow through hollow dielectric tube; distillation
02/15/2001WO2001010548A1 Rejuvenable ambient temperature purifier
02/13/2001CA2211455C Helium recovery for optical fiber manufacturing
02/06/2001US6183709 Process for separation of oxygen from an oxygen containing gas using oxygen selective sorbents
01/2001
01/30/2001US6179900 Process for the separation/recovery of gases
01/24/2001CN1061064C Insulating foam of low thermal conductivity and method of preparation
01/18/2001WO2001003812A1 Gas purification system with an integrated hydrogen sorption and filter assembly
01/03/2001EP1064667A1 Polymer formulations for gettering hydrogen
01/02/2001US6168649 Membrane for separation of xenon from oxygen and nitrogen and method of using same
12/2000
12/28/2000WO2000078432A1 Recovery and purification of gases used in medical processes
12/21/2000DE19927773A1 Recovering small amounts of noble gases, especially helium-3, useful for tomographic imaging of the lung, involves adsorption of other components on molecular sieve
10/2000
10/31/2000CA2192014C Reactive purge for solid electrolyte membrane gas separation
10/24/2000US6134914 Condensing and solidifying a xenon component of a gas mixture (o2) on a cooling surface which is below the melting point and at a pressure of 0.6-150 bars; removing the noncondensed gases; liquefying the solid xenon by heating; recirculating
10/18/2000CN1057599C Cryogenic rectification system with thermally integrated argon column
09/2000
09/26/2000US6123909 Adding air or oxygen to argon gas in an amount sufficient to oxidize carbon monoxide into carbon dioxide in the presence of a catalyst while maintaining a temperature sufficient to oxidize contained carbon monoxide without oxidizing methane
09/12/2000US6117288 Insulating support for ion conductor stack
09/05/2000US6113869 Dessication; catalytic oxidation of carbon monoxide and hydrogen to water and carbon dioxide; absorption, chemisorption
08/2000
08/29/2000US6110436 Defluorination of a fluorinated compound
07/2000
07/26/2000CN1054915C Coolant recovery system and heat exchanging system
07/25/2000US6092391 Helium recycling for optical fiber manufacturing
07/18/2000US6090265 Separation of oxygen from oxygen-containing gas
07/18/2000US6089282 Method for recovery and reuse of gas
07/06/2000WO2000039464A1 Peristaltic compressors adapted to non-relaxing compression of polarised gas
07/04/2000US6083301 Process for purifying inert fluids by adsorption on LSX zeolite
06/2000
06/15/2000WO2000033949A1 Membrane for separation of xenon from oxygen and nitrogen and method of using same
06/15/2000DE19857190A1 Material zur Reduzierung oder Beseitigung von unerwünschten Beimengungen in Gasen, Verfahren zu dessen Herstellung und Anwendung Material for reducing or eliminating undesirable constituents in gases, process for its preparation and application
06/14/2000EP1008376A1 Material for reducing or removing of unwanted impurities from a gas, process for the production and use thereof
05/2000
05/16/2000US6063353 Contacting krypton stream and xenone stream with a solid adsorbent containing phyllosilicates to remove fluoro and chloro hydrocarbons as impurities from krypton and xenone stream
04/2000
04/11/2000US6047561 Cryogenically distilling compressed air, recovering an impure inert fluid containing hydrogen and residual impurity,, adsorbing residual impurity by means of a bed of adsorbent, removing the hydrogen impurities by means of permeation
03/2000
03/28/2000US6042703 Combination of biasing electrodes and offset seals is particularly effective in eliminating anode seal failure
03/08/2000EP0983791A1 Method and apparatus for recovering rare gas
03/08/2000EP0983786A2 Separation of oxygen from an oxygen-containing gas
02/2000
02/28/2000CA2280630A1 Separation of oxygen from an oxygen-containing gas
02/23/2000EP0980701A1 Gas recovery unit
02/22/2000US6027986 Mixing together powders comprising a metallic getter element, a getter alloy and a solid organic compound which evaporates without residue at high temperature, compression, sintering to form high strength shape
02/22/2000US6027549 Adjusted density carbon for hydrogen PSA
02/17/2000WO2000008400A1 Installation producing low voltage electricity integrated in a unit separating gas from air
02/17/2000CA2339494A1 Installation producing low voltage electricity integrated in a unit separating gas from air
02/16/2000CN1244651A Method for producing argo from low temperature air by separation
02/10/2000WO2000006290A1 Method for oxidising a reactant gas using a ceramic electrochemical reactor
01/2000
01/26/2000EP0974389A2 Method and apparatus for recovering a gaseous component from a gas mixture
01/22/2000CA2277669A1 Method and apparatus for recovering a gas from a gas mixture
01/19/2000EP0890066A4 Cryogenic accumulator for spin-polarized xenon-129
01/19/2000CN1241985A Method for purifying a cryogenic fluid by filtration and adsorption
01/05/2000EP0969258A2 Production of argon by a cryogenic air separation process
12/1999
12/08/1999CN1047146C Process for removal of impurity contained in composite gas
12/01/1999CN1237124A Method and apparatus for purification of argon
11/1999
11/30/1999US5993612 Process for purifying a gas and apparatus for the implementation of such a process
11/18/1999WO1999058225A1 Method for purifying a gaseous mixture and concentrating it into a minor constituent, method for detecting said constituent, and installation
11/17/1999EP0956928A1 Method and apparatus for purification of argon
11/16/1999US5985007 Noble gas purifier with single purifier vessel and recuperative heat exchanger
11/10/1999EP0955265A2 Process for adsorbing carbon dioxide from a carbon dioxide containing gas mixture
11/03/1999CN1233528A Multi-functional catalyst, prepn. method and use thereof
10/1999
10/26/1999US5970743 Production of argon from a cryogenic air separation process
10/19/1999US5968468 Gases and the ensurance of extremely low levels of hydrogen
10/13/1999EP0948458A1 Method for purifying a cryogenic fluid by filtration and adsorption
10/05/1999US5961750 They have a relatively low activation temperature, are capable of sorbing a wide variety of gases, and minimize the environmental and safety risks associated with known nonevaporable getter alloys.
09/1999
09/23/1999WO1999048125A1 Polymer formulations for gettering hydrogen
09/01/1999EP0938448A1 Process and apparatus for purifying and recovering xenon and other noble gases used in anaesthetic systems
08/1999
08/17/1999US5937672 Process for the purification of a cryogenic fluid by filtration and/or adsorption
06/1999
06/29/1999US5916247 Process and installation for delivering ultra-pure helium
06/22/1999US5913893 Process for the purification of a cryogenic fluid by filtration and/or adsorption
06/16/1999EP0922480A1 Adsorption process for the purification of inert fluids on zeolite LSX
06/16/1999EP0921846A1 On-line recovery of xenon from anaesthetic gas
06/15/1999CA2104562C Gas purification process and system
06/10/1999WO1999028023A1 Method and apparatus for recovering rare gas
05/1999
05/25/1999CA2111174C Coolant recovery system
05/11/1999US5902561 First purification zone containing particulate material including elemental nickel, second purification zone containing getter material, wherein gas is contacted with nickel containing material, then contacted with getter
05/04/1999CA2062708C Method and apparatus for regenerating gas used in carbon dioxide laser generator
04/1999
04/20/1999US5895769 In-situ crystallized zeolite containing composition (LAI-ISC)
04/14/1999EP0907402A1 Method of removing, from a stream of gas, fluorinated compounds which contribute to destruction of the ozone layer and/or changes in climate, and use of the method
04/06/1999US5891220 Especially hopcalite
04/06/1999US5890376 Helium recycling for optical fiber manufacturing
03/1999
03/24/1999EP0902725A1 Method of separating and selectively removing hydrogen contaminant from process streams
03/23/1999CA2172322C Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
03/17/1999EP0901985A2 Separation of xenon from gas mixtures
03/11/1999WO1999011437A1 Method and apparatus for purification of argon
03/10/1999CN1210474A Compounds for sorption of gases
03/10/1999CN1210027A Method for adsorption of xenon by activated carbon fibers
03/09/1999US5879583 Process for producing high-porosity non-evaporable getter materials and materials thus obtained
02/1999
02/23/1999US5874007 Flowing inert gas liquefied at cryogenic temperatures through bed of adsorbent particles comprising platinum, palladium, rhodium, or iridium supported on alumina, silica, titania, or zeolite
02/09/1999US5868918 Method for separating oxygen from an oxygen-containing gas
02/03/1999EP0894522A1 Process and apparatus for the production of ultra-pure inert gas
01/1999
01/19/1999US5860295 Cryogenic accumulator for spin-polarized xenon-129
01/13/1999EP0890066A1 Cryogenic accumulator for spin-polarized xenon-129
01/12/1999US5857356 Process for the purification of a cryogenic fluid by filtration and/or adsorption
12/1998
12/23/1998WO1998057727A1 Gas separation by continuous pressure-swing chromatography
12/15/1998US5849980 Low alkaline inverted in-situ crystallized zeolite membrane
12/08/1998US5846297 Filter material and process for producing No2 -free gases or liquids
12/02/1998EP0880394A2 Compounds for the sorption of gases
11/1998
11/25/1998EP0879389A1 Helium recycling for optical fiber manufacturing
11/17/1998US5837158 Blend of addition polymer, catalyst and diluent
11/17/1998US5837125 Supplying oxygen-consuming gas to permeate zone to lower oxygen partial pressure so that oxygen of higher partial pressure contained in feed zone is driven across permselective separation membrane
11/17/1998US5836172 Process for the purification of a cryogenic fluid by filtration and/or adsorption
11/11/1998CN1198475A Non-evaporable getter alloys
11/11/1998CN1198362A Oxygen selective sorbent
10/1998
10/21/1998CN1196789A Helium recycling for optical fiber manufacturing
10/21/1998CN1196331A Method for extracting high-purity krypton, xenon from mixed gas containing oxygen, krypton, xenon.
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