| Patents for C01B 23 - Noble gases; Compounds thereof (1,372) |
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| 03/18/2004 | WO2004023054A1 Method and installation for production of noble gases and oxygen by means of cryogenic air distillation |
| 03/18/2004 | WO2004022223A2 Adsorption mass and method for removing carbon monoxide from flows of material |
| 03/18/2004 | US20040050094 Refrigeration of gases and filtration using membranes to remove condensates, then reusing for consolidation and drawing of fibers; cryogenics |
| 03/11/2004 | DE10241529A1 Adsorptionsmasse und Verfahren zur Entfernung von Kohlenmonoxid aus Stoffströmen And adsorption process for removing carbon monoxide from streams |
| 02/26/2004 | US20040035691 Apparatus and method for manufacturing halogen gas and halogen gas recovery and circulatory system |
| 02/24/2004 | US6694775 Pressurization, vaporization, selective adsorption |
| 02/11/2004 | CN1474942A Method for measuring concentration of nitrogen in argon by means of ion mobility spectrometry |
| 02/03/2004 | US6685903 With use of chlorine adsorbent, deoxygenation in presence of hydrogen forming water, passing through purifier to remove water, carbon dioxide, and carbon tetrafluoride, then distilling to remove nitrogen and hydrogen |
| 01/21/2004 | CN1469986A Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| 12/30/2003 | CA2327751C Process for distillation of multicomponent fluid and production of an argon-enriched stream from a cryogenic air separation process |
| 12/16/2003 | US6662593 Distillation into nitrogen-rich overhead vapor and krypton-and xenon- enriched liquid |
| 12/09/2003 | US6658894 Selectively adsorbing the inert gas on a solid lithium and silver exchanged x type zeolite adsorbent, desorbing and collecting the adsorbed inert |
| 12/04/2003 | WO2003099714A1 Method and apparatus for gas purification |
| 12/04/2003 | US20030221448 Step of: producing high-purity helium of 99.99 mol % or higher, by a process in which crude helium having a helium concentration of 40 to 90 mol % is, at least, permeated through a separation membrane module composed of a plurality |
| 12/03/2003 | CN1459413A Gas refining method and device |
| 12/02/2003 | US6655931 Peristaltic compressors suitable for relaxation-free compression of polarized gas |
| 11/26/2003 | EP1364697A1 Nickel-containing gas-cleaning material and process for treating a gas or liquefied gas using the gas-cleaning material |
| 11/18/2003 | US6648946 Heat exchanging; mixing |
| 11/12/2003 | CN1127652C Method for recovering and purifying argon from low-temperature air separating device and apparatus thereof |
| 11/06/2003 | US20030205532 Method for purifying semiconductor gases |
| 10/30/2003 | US20030201388 Method for measuring the concentration of nitrogen in argon by means of ion mobility spectrometry |
| 10/29/2003 | CN1451603A Method for producing argon with oxygenerator set |
| 10/23/2003 | WO2003086586A1 Gas separating method |
| 10/08/2003 | EP1141548B1 Peristaltic compressors adapted to non-relaxing compression of polarised gas |
| 10/02/2003 | WO2003080236A1 Process for the preparation of molecular sieve adsorbent for selective adsorption of nitrogen and argon |
| 10/01/2003 | EP1347816A1 System and process for gas recovery |
| 09/04/2003 | WO2003071946A1 Nuclear spin polarized rare gas production device and polarized rare gas production method using this |
| 09/03/2003 | CN1439856A Pure argon recovering method and device |
| 09/02/2003 | US6612129 Process and apparatus for producing krypton and/or xenon by low-temperature fractionation of air |
| 08/27/2003 | CN1119610C Method for producing argo from low-temp. air by separation |
| 08/21/2003 | US20030156964 Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| 08/20/2003 | EP1336071A2 Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| 08/14/2003 | US20030152497 Process and apparatus for removing carbon monoxide from a gas stream |
| 08/13/2003 | EP1334758A1 Gas separating and purifying method and its apparatus |
| 08/13/2003 | EP1334354A1 A method for measuring the concentration of nitrogen in argon by means of ion mobility spectrometry |
| 08/12/2003 | US6605134 Such as krypton or xenon contained in an exhaust gas exhausted from a rare gas using apparatus such as a plasma apparatus, separating via at least two gas separating steps, a membrane step and adsorbing step |
| 08/06/2003 | CN1434786A Process for recovering helium using eductor |
| 07/30/2003 | EP1102953B1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 07/16/2003 | EP1327843A1 Recovery of Krypton and Xenon |
| 07/16/2003 | CN1429658A Material for removing impurity in inert gas and its use method |
| 07/10/2003 | US20030129127 Recovery of krypton and xenon |
| 07/10/2003 | US20030129114 System and process for gas recovery |
| 07/09/2003 | EP1324945A1 Plasma spray with ternary gas mixture |
| 06/19/2003 | US20030110795 Process and apparatus for producing krypton and/or xenon by low-temperature fractionation of air |
| 06/12/2003 | WO2003047731A1 Gas supplying method and system |
| 06/12/2003 | WO2003022739A3 Apparatus and method for nanoparticle and nanotube production, and use therefor for gas storage |
| 06/12/2003 | US20030106335 Selectively adsorbing the inert gas on a solid lithium and silver exchanged x type zeolite adsorbent, desorbing and collecting the adsorbed inert |
| 06/10/2003 | US6576138 Method for purifying semiconductor gases |
| 06/04/2003 | EP1316357A1 Process and adsorbent for the recovery of krypton and xenon from a gas or liquid stream |
| 06/04/2003 | CN2554154Y Argon purifying furnace |
| 06/04/2003 | CN1110344C Preparation for flow which removing at least one of impurity oxygen and Co and apparatus thereof |
| 06/03/2003 | US6572838 Silver ion exchange |
| 05/28/2003 | CN1420079A Method and adsorbent for recovering kryptsn and xenon from gas stream or liquid stream |
| 05/22/2003 | WO2003042615A1 Method and installation for helium production |
| 05/22/2003 | US20030094098 Materials and methods for the purification of inert, nonreactive, and reactive gases |
| 05/21/2003 | EP0879389B1 Helium recycling for optical fiber manufacturing |
| 05/21/2003 | CN1419097A Method and device for generating krypton and/or xenon by air low-temp distillation |
| 05/20/2003 | US6565821 Removal impurities using oxidation catalyst |
| 05/20/2003 | US6564581 Three-column system for the low-temperature fractionation of air |
| 05/08/2003 | WO2003037484A1 Materials and methods for the purification of inert, nonreactive, and reactive gases |
| 05/07/2003 | EP1308680A1 Process and system for production of krypton and/or xenon by cryogenic air separation |
| 04/23/2003 | CN1106560C Process and apparatus for recovery of pure argon |
| 04/23/2003 | CN1106343C Process for purifying xenon gas using aspirator pump |
| 04/17/2003 | WO2003031694A1 Preparation of feedstock of alkaline earth and alkali metal fluorides |
| 04/17/2003 | US20030070606 Loading a fluoride raw material into a chamber, exposing to a gas flow of fluoride at a predetermined temperature and storing in dry atmosphere |
| 04/10/2003 | WO2003029142A1 Substance occluding material and electrochemical device using it, and production method for substance occluding material |
| 04/10/2003 | WO2003029141A1 Short carbon nanotubes |
| 04/10/2003 | CA2461578A1 Short carbon nanotubes |
| 04/10/2003 | CA2459081A1 Substance occluding material and electrochemical device using it, and production method for substance occluding material |
| 04/02/2003 | CN1104618C Process and apparatus for recovery of pure argon |
| 03/26/2003 | EP1295658A1 Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| 03/26/2003 | EP1079909B1 Method for purifying a gaseous mixture and concentrating it into a minor constituent, method for detecting said constituent, and installation |
| 03/20/2003 | WO2003022739A2 Apparatus and method for nanoparticle and nanotube production, and use therefor for gas storage |
| 03/20/2003 | CA2459410A1 Apparatus and method for nanoparticle and nanotube production, and use therefor for gas storage |
| 03/19/2003 | EP0902725B1 Method of separating and selectively removing hydrogen contaminant from process streams |
| 03/19/2003 | EP0890066B1 Cryogenic accumulator for spin-polarized xenon-129 |
| 03/19/2003 | CN1404413A Gas separating and purifying method and its apparatus |
| 03/12/2003 | EP1289881A1 Process for recovering helium using an eductor |
| 03/11/2003 | US6531105 Contacting feed gas stream with a primary metal oxide in a reaction zone of a reactor vessel at conditions effective to convert carbon monoxide to carbon dioxide |
| 03/11/2003 | US6530242 Condenser, evaporator, heat exchanger |
| 03/06/2003 | US20030044338 Mixture containing inert gases; cycles of reducing metal oxides to metal, oxidation of metal |
| 03/04/2003 | US6527831 Pressure swing process utilizes two adsorption beds and continuously promotes the crude feed gas to the bed and simultaneous equalization of pressure in the two beds in top-top-top end and bottom-to-bottom end equalizations |
| 02/18/2003 | US6521192 Mixtures of scavangers and transition metals, alloys and/or oxides in enclosures having inlets and outlets, used for purification of gases; reuse |
| 02/13/2003 | WO2003011434A1 Control system for helium recovery |
| 02/13/2003 | WO2003011431A1 Helium recovery |
| 02/13/2003 | CA2456011A1 Helium recovery |
| 02/13/2003 | CA2455934A1 Control system for helium recovery |
| 02/12/2003 | CN1101243C Method for adsorption of xanon by activated carbon fibers |
| 02/11/2003 | US6517791 System and process for gas recovery |
| 01/15/2003 | EP1242165A4 Gas purification system with an integrated hydrogen sorption and filter assembly |
| 01/02/2003 | US20030000385 Gas separating and purifying method and its apparatus |
| 12/31/2002 | US6500235 Pressure swing adsorption process for high recovery of high purity gas |
| 12/19/2002 | US20020189281 Medium-pressure column is used to separate a first oxygen-enriched fraction from the high-pressure column, in order to produce nitrogen, in liquefied form is used a reflux in the low-pressure column or is extracted as product |
| 12/18/2002 | CN1385236A Argon/oxigen selective X-zeolite |
| 12/05/2002 | WO2002033334A3 Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| 12/05/2002 | US20020178913 Helium recovery process |
| 12/05/2002 | US20020178747 Obtaining argon using a three-column system for the fractionation of air and a crude argon column |
| 11/28/2002 | WO2002095309A1 Cryogenic system for producing high purity argon |
| 11/28/2002 | US20020174680 Cryogenic system for producing high purity argon |
| 10/23/2002 | CN1375676A Low-temperature air-separating three-tower system |