| 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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| 05/10/1994 | US5309721 Air separation |
| 05/10/1994 | US5309720 Closed refrigeration loop; low temperature |
| 05/10/1994 | US5309719 Boiling low pressure liquid oxygen bottoms in a sump; heat exchanging |
| 05/04/1994 | EP0595673A1 Process and installation for the production of nitrogen and oxygen |
| 05/04/1994 | EP0595672A1 Process and plant for the production of gaseous nitrogen in variable quantities |
| 05/03/1994 | USRE34595 Separation and purification by passing through solid electrolyte permselective membrane |
| 05/03/1994 | CA2045737C Cryogenic air separation system for producing elevated pressure product gas |
| 05/03/1994 | CA2045371C Integrated air separation plant - integrated gasification combined cycle power generator |
| 05/03/1994 | CA2043896C Cryogenic process for the separation of air to produce moderate pressure nitrogen |
| 05/03/1994 | CA2043639C Methane recovery process for the separation of nitrogen and methane |
| 05/01/1994 | CA2109364A1 Equipment and process for variable flow gaseous nitrogen production |
| 04/28/1994 | WO1994008923A1 Process for separating an intake flow consisting essentially of hydrogen, methane and c3/c4 hydrocarbons |
| 04/28/1994 | CA2146433A1 Process for separating an intake flow consisting essentially of hydrogen, methane and c /c hydrocarbons |
| 04/28/1994 | CA2109148A1 Nitrogen and oxygen production process and apparatus |
| 04/27/1994 | EP0594214A1 Cryogenic rectification system with thermally integrated argon column |
| 04/27/1994 | EP0593703A1 Ultra-high purity nitrogen and oxygen generator. |
| 04/27/1994 | CN1086028A Knowledge based diagnostic advisory system and method |
| 04/27/1994 | CN1086010A Cryogenic rectification system with thermally integrated argon column |
| 04/27/1994 | CN1086009A 化学过程最佳化方法 The best method of chemical processes |
| 04/27/1994 | CN1085821A Method for separating hydrocarbon from catalytic cracked dry gas |
| 04/27/1994 | CN1024322C Processing nitrogen-rich, hydrogen-rich and olefin-rich gases with physical solvents |
| 04/26/1994 | US5305611 Cryogenic rectification system with thermally integrated argon column |
| 04/26/1994 | US5305610 Process and apparatus for producing nitrogen and oxygen |
| 04/21/1994 | DE4235006A1 Verfahren zum Auftrennen eines im wesentlichen aus Wasserstoff, Methan und C¶3¶/C¶4¶-Kohlenwasserstoffen bestehenden Einsatzstromes A method for separating a substantially consisting of hydrogen, methane and C¶3¶ / C¶4¶-hydrocarbons feed stream |
| 04/20/1994 | EP0592803A1 Gear driven multi-shaft compressor with return stages and radial-expander |
| 04/19/1994 | US5303556 Single column cryogenic rectification system for producing nitrogen gas at elevated pressure and high purity |
| 04/19/1994 | CA2037512C Cryogenic air separation process for the production of nitrogen |
| 04/19/1994 | CA2035050C Production of oxygen-lean argon from air |
| 04/19/1994 | CA2034945C Cryogenic distillation with unbalanced heat pump |
| 04/19/1994 | CA2034645C Low pressure stripping process for the production of crude helium |
| 04/19/1994 | CA2034578C Dephlegmator process for the recovery of helium |
| 04/14/1994 | DE4237319A1 Inclined condensing heat exchanger for refrigerator installation - minimises volume of condensate whilst preserving adequate depth to avoid vapour locks in pumped circulation to rest of installation |
| 04/13/1994 | EP0592323A1 Process and apparatus for the production of ultra-pure nitrogen under pressure |
| 04/13/1994 | EP0419623B1 Cryogenic separation of gaseous mixtures |
| 04/13/1994 | CN1085312A Apparatus for cryogenic treatment, such as air distillation |
| 04/09/1994 | CA2107936A1 Method and apparatus for separating c4 hydrocarbons from a gaseous mixture |
| 04/06/1994 | EP0590947A1 Purification of oxygen by adsorption |
| 04/06/1994 | EP0590946A1 Production of nitrogen |
| 04/06/1994 | EP0590571A1 Knowledge based diagnostic advisory system and method |
| 03/30/1994 | EP0589766A1 Method and apparatus for producing ultra-high purity nitrogen |
| 03/30/1994 | EP0589646A1 Distillation process for the production of carbon monoxide-free nitrogen |
| 03/29/1994 | CA2107051A1 Knowledge based diagnostic advisory system and method |
| 03/23/1994 | EP0588690A1 Cryogenic treatment installation, particularly for the destillation of air |
| 03/22/1994 | US5295356 Dehydrogenation and oxidation of methane in columns, washing, distillation, heating and cooling |
| 03/22/1994 | US5295351 Air separation |
| 03/22/1994 | CA2028252C High pressure nitrogen production cryogenic process |
| 03/17/1994 | WO1994005960A1 Process and apparatus for producing liquid carbon dioxide |
| 03/17/1994 | CA2143290A1 Process and apparatus for producing liquid carbon dioxide |
| 03/17/1994 | CA2106106A1 Cryogenic processing apparatus, especially for air distillation |
| 03/09/1994 | CN1083581A Triple column cryogenic rectification system |
| 03/08/1994 | US5291737 Process or apparatus for distilling air and application in feeding gas to a steel mill |
| 03/08/1994 | US5291736 Method of liquefaction of natural gas |
| 03/03/1994 | DE4228784A1 Process to separate constituents of a gas mixt. with a single-stage rectifier at low temp. - needs no expansion chamber or compressor |
| 03/02/1994 | EP0585023A1 Producing partial oxidation products |
| 03/02/1994 | EP0584420A1 Efficient single column air separation cycle and its integration with gas turbines |
| 03/02/1994 | EP0584419A1 Process and apparatus for the cryogenic distillation of air |
| 03/01/1994 | US5289688 Inter-column heat integration for multi-column distillation system |
| 03/01/1994 | CA1327306C Structured column packing with liquid holdup |
| 02/22/1994 | US5287704 Air separation |
| 02/22/1994 | US5287703 Cooling; phase separating; rectifying; stripping feed gas stream; refrigerant provided from a single loop vapor recompression refrigerator employing a mixed refrigerant |
| 02/16/1994 | EP0583189A1 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 02/16/1994 | CN1082183A Improved liquefier process |
| 02/15/1994 | US5286468 Reduction of carbon dioxide to carbon monoxide; cooling, distillation, oxidation |
| 02/11/1994 | CA2101869A1 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 02/09/1994 | EP0582069A2 Two-phase method for real time process control |
| 02/08/1994 | CA2016282C Mixed refrigerant/expander process for the recovery of c_+ hydrocarbons |
| 02/02/1994 | EP0581273A1 Chemical process optimization method |
| 02/02/1994 | EP0581116A1 Consolidated heat exchanger air separation process |
| 02/01/1994 | US5282726 Compressor supercharger with evaporative cooler |
| 02/01/1994 | US5282365 Cryogenic air separation |
| 02/01/1994 | CA2016695C Air separation process for the production of oxygen-rich and nitrogen-rich products |
| 02/01/1994 | CA2004263C Argon purification |
| 01/30/1994 | CA2101507A1 Chemical process optimization method |
| 01/26/1994 | EP0580348A1 Hybrid air and nitrogen recycle liquefier |
| 01/26/1994 | EP0580345A1 Elevated pressure liquefier |
| 01/26/1994 | EP0580276A1 Refrigeration system for a natural gas liquefaction process |
| 01/25/1994 | CA1326343C Process for the co-production of gaseous carbon dioxide and hydrogen |
| 01/21/1994 | CA2100402A1 Elevated pressure liquefier |
| 01/20/1994 | WO1994001724A1 Combined combustion and exhaust gas cleansing plant |
| 01/20/1994 | WO1994001710A1 Suspendable conduit bracket system |
| 01/19/1994 | CN1080991A Method and apparatus for seperation of air requiring use of refrigeration |
| 01/19/1994 | CN1080990A Auxiliary column cryogenic rectification system |
| 01/11/1994 | CA2047411C Variable density structured packing cryogenic distillation system |
| 01/11/1994 | CA2016668C Air separation process with improved reboiler liquid cleaning circuit |
| 01/05/1994 | EP0577349A1 Air separation |
| 01/05/1994 | CN1080409A Two-phase method for real time process control |
| 01/05/1994 | CN1080390A Process and installation for the production of gaseous oxygen under pressure |
| 01/04/1994 | US5275005 Gas processing |
| 01/04/1994 | US5275004 Consolidated heat exchanger air separation process |
| 01/04/1994 | US5275003 Cryogenic distillation of air; expansion is performed directly after cooling step, no intervening condensation step |
| 12/30/1993 | CA2099321A1 Air separation |
| 12/29/1993 | EP0576314A1 Process and installation for the production of gaseous oxygen under pressure |
| 12/24/1993 | CA2098895A1 Process and apparatus for the production of pressurized gaseous oxygen |
| 12/21/1993 | US5271231 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 12/17/1993 | CA2098412A1 Two-phase method for real time process control |
| 12/15/1993 | EP0574190A1 Air separation |
| 12/15/1993 | CN1023103C Dry high purity nitrogen production process and system |
| 12/14/1993 | CA2012611C Cryogenic rectification process for separating nitrogen and methane |
| 12/14/1993 | CA2012217C Cryogenic rectification process for producing ultra high purity nitrogen |
| 12/10/1993 | CA2097865A1 Air separation |