| Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467) |
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| 03/25/1998 | EP0831284A2 Air separation |
| 03/25/1998 | CN2277059Y Oxygen-enriched preparing appts. |
| 03/25/1998 | CA2216495A1 Process for feeding a gas-consuming unit |
| 03/24/1998 | US5730209 Defrost and liquid distribution for plate-fin heat exchangers |
| 03/24/1998 | US5730004 Triple-column for the low-temperature separation of air |
| 03/24/1998 | US5730003 Cryogenic hybrid system for producing high purity argon |
| 03/24/1998 | US5730002 Heat exchange |
| 03/24/1998 | US5730000 Structured packing element and a mass and heat transfer process using such packing element |
| 03/18/1998 | EP0829691A1 Process for compressing the feed gas of a separation unit for gas mixtures |
| 03/18/1998 | EP0829292A1 Removal of H2 and/or CO impurities from an inert fluidum in liquid state |
| 03/13/1998 | CA2215467A1 Process for compressing a gas associated with a unit for separating a gas mixture |
| 03/12/1998 | DE19730509A1 Energy recovery in air separation process |
| 03/11/1998 | EP0828124A2 Air separation |
| 03/11/1998 | EP0828123A2 Air separation |
| 03/11/1998 | EP0828122A1 Process and apparatus for the recovery of argon by low temperature air separation |
| 03/11/1998 | CN1175997A Rectified reflux deethanizer |
| 03/10/1998 | US5724835 Rectification |
| 03/10/1998 | US5724834 Downflow plate and fin heat exchanger for cryogenic rectification |
| 03/10/1998 | US5724833 Control scheme for cryogenic condensation |
| 03/10/1998 | US5724832 Self-cleaning cryogenic refrigeration system |
| 03/10/1998 | US5724805 Power plant with carbon dioxide capture and zero pollutant emissions |
| 03/05/1998 | WO1998008583A1 On-line recovery of xenon from anaesthetic gas |
| 03/05/1998 | DE19734482A1 Argon=producing air rectification plant servicing process |
| 03/05/1998 | DE19635002A1 Verfahren zur Online-Rückgewinnung von Xenon aus Narkosegas A method for on-line recovery of anesthetic gas xenon from |
| 03/04/1998 | EP0826629A2 Recovery of noble gases |
| 03/03/1998 | US5722259 Combustion turbine and elevated pressure air separation system with argon recovery |
| 03/03/1998 | US5722258 Air separation |
| 02/26/1998 | WO1998008039A1 Heat exchangers |
| 02/26/1998 | DE19724287A1 Reversionary mode of cryogenic air fractionation plant adopted during process interruption |
| 02/25/1998 | EP0825402A2 Cryogenic system for producing nitrogen |
| 02/25/1998 | EP0824951A1 Installation for the separation of a gas mixture |
| 02/25/1998 | EP0755499A4 Liquefaction process |
| 02/25/1998 | EP0728284A4 Cryogenic separation |
| 02/25/1998 | CN1174322A Cryogenic rectification system for producing low purity oxygen and high purity oxygen |
| 02/25/1998 | CN1174321A Process to produce moderate purity oxygen using double column plus auxiliary low pressure column |
| 02/25/1998 | CN1174320A Process to produce nitrogen using double column plus auxiliary low pressure separation zone |
| 02/21/1998 | CA2213605A1 Plant for separating a gas mixture |
| 02/18/1998 | EP0824209A2 Cryogenic side columm rectification system for producing low purity oxygen and high purity nitrogen |
| 02/18/1998 | CN1173627A Cryogenic rectification system for producing low purity oxygen and high purity nitrogen |
| 02/18/1998 | CN1173626A Cryogenic side column rectification system for producting low purity oxygen and high purity nitrogen |
| 02/17/1998 | US5718127 For use in fractional distiuation |
| 02/17/1998 | US5718126 Process and device for liquefying and for processing a natural gas |
| 02/11/1998 | EP0823606A2 Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone |
| 02/11/1998 | EP0823605A2 Process to produce moderate purity oxygen using a double column plus an auxiliary low pressure column |
| 02/11/1998 | EP0823604A2 Cryogenic rectification system for producing low purity oxygen and high purity oxygen |
| 02/11/1998 | CN1172941A Air Seperation |
| 02/11/1998 | CN1172685A Method and apparatus for purifying substance |
| 02/10/1998 | US5715706 Air separation |
| 02/05/1998 | WO1998004877A1 Method and plant for producing an air gas with a variable flow rate |
| 02/05/1998 | CA2261097A1 Method and plant for producing an air gas with a variable flow rate |
| 02/04/1998 | CN1172069A Process and plant for producing carbon monoxide |
| 01/29/1998 | WO1998003253A1 Packing for separation columns and process of use |
| 01/29/1998 | DE19645223C1 for recovering constituents of anaesthetic gas |
| 01/29/1998 | DE19644106C1 Efficient low temperature separation of dehydrogenated hydrocarbon(s) from hydrogen and methane |
| 01/28/1998 | EP0821211A2 Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
| 01/28/1998 | EP0820569A1 Self-cleaning low temperature refrigeration system |
| 01/28/1998 | CN1171534A Process and device for preparation of cryogenic fluid in high purity liquid state |
| 01/28/1998 | CN1171533A Air separation |
| 01/28/1998 | CN1171445A Oxygen steelmaking |
| 01/27/1998 | US5711167 From air, cryogenic separation |
| 01/27/1998 | US5711166 Air separation method and apparatus |
| 01/22/1998 | WO1998002698A1 Core-in-shell heat exchangers for multistage compressors |
| 01/21/1998 | CN1170862A Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
| 01/21/1998 | CN1170861A High purity nitrogen generator unit and method |
| 01/20/1998 | US5710357 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |
| 01/20/1998 | US5709264 For exchanging heat between first and second fluids |
| 01/15/1998 | WO1998001203A1 Fluid-distributor for a substance-exchange column |
| 01/15/1998 | CA2261643A1 Liquid distributor for a mass-transfer column |
| 01/14/1998 | CN1036989C Process and device for the preparation of high-purity liquid nitrogen |
| 01/13/1998 | US5706675 Internal combustion engine |
| 01/13/1998 | US5706674 Argon recovery from silicon crystal furnace |
| 01/08/1998 | DE19626895A1 Flüssigkeitsverteiler für eine Stoffaustauschkolonne Liquid distributor for mass transfer column |
| 01/08/1998 | DE19626893A1 Liquid distributor for mass transfer column with number of distribution channels |
| 01/07/1998 | EP0816785A2 Cryogenic rectification system for producing low purity oxygen and high purity nitrogen |
| 01/07/1998 | EP0816784A1 Apparatus for fractionating air, or a mixture of oxygen and nitrogen, for the simultaneous production of nitrogen and oxygen or for the production of nitrogen |
| 01/07/1998 | CN1169772A 烃类气体加工方法 Hydrocarbon gas processing method |
| 01/07/1998 | CN1169333A All-low-pressure air separation technology |
| 01/06/1998 | US5704229 Process and apparatus for producing nitrogen |
| 01/06/1998 | US5704228 Process and device for the evaporation of a liquid flow |
| 01/06/1998 | CA2090811C Refrigeration system for a natural gas liquefaction process |
| 12/31/1997 | WO1997049960A1 Helium recycling for optical fiber manufacturing |
| 12/31/1997 | CN1168914A Method for removing mercaptans from LNG |
| 12/31/1997 | CA2221691A1 Helium recycling for optical fiber manufacturing |
| 12/30/1997 | US5701764 Process to produce moderate purity oxygen using a double column plus an auxiliary low pressure column |
| 12/30/1997 | US5701763 Air separation |
| 12/30/1997 | US5701761 Method and installation for the liquefaction of natural gas |
| 12/29/1997 | EP0814310A1 Process and installation for air separation |
| 12/29/1997 | EP0813699A1 Multivariable process control method and apparatus |
| 12/25/1997 | CA2196036A1 Apparatus and method for recovering and separating non-condensing gases from a halocarbon composition |
| 12/24/1997 | CN1168464A Air separating method and equipment |
| 12/24/1997 | CN1168463A Process and installation for producing high pressure oxygen |
| 12/23/1997 | US5699671 Downflow shell and tube reboiler-condenser heat exchanger for cryogenic rectification |
| 12/17/1997 | CN2270949Y Film composite oxygenerator set |
| 12/16/1997 | US5697229 Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone |
| 12/16/1997 | US5697228 Gas manufacture |
| 12/11/1997 | WO1997047116A1 Data structure to support multiple transmit packets for high performance |
| 12/11/1997 | WO1997046503A1 Removing carbon dioxide, ethane and heavier components from a natural gas |
| 12/10/1997 | EP0811816A2 Method and apparatus for producing liquid products from air in various proportions |
| 12/10/1997 | EP0811815A2 Method and apparatus for purifying a substance |
| 12/10/1997 | EP0811673A2 Method for removing mercaptans from lng |