| Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467) |
|---|
| 06/28/1995 | EP0660058A2 Air separation |
| 06/27/1995 | US5427759 Washing out carbon dioxide with aqueous alkali in absorption and rectification column, recovering ammonia as overhead and organic compounds from bottoms by separating alkali carbonate solution |
| 06/27/1995 | US5426947 Process and apparatus for the production of oxygen under pressure |
| 06/27/1995 | US5426946 Process and an apparatus for recovering argon |
| 06/27/1995 | US5426944 Expanding electronic semiconductor grade chemical through an orifice in a condenser; withdrawing portion of vapor phase; concentrating impurities in liquid phase |
| 06/27/1995 | CA2067427C Air separation method for supplying gaseous oxygen in accordance with a variable demand pattern |
| 06/23/1995 | CA2138512A1 Air separation |
| 06/20/1995 | US5425241 Removing oxygen containing, heavy contaminant free stream from main distillation column system, stripping in auxiliary column |
| 06/20/1995 | US5425240 Passing a feed stream through a bed of selective zeolite adsorbers to remove nitrogen, hydrocarbons |
| 06/06/1995 | US5421167 Enhanced olefin recovery method |
| 06/06/1995 | US5421166 Independently compressing feed air to air separation unit, compressing part of separated nitrogen stream, expanding compressed nitrogen stream along with hot gas in turbine |
| 06/06/1995 | US5421165 Process for denitrogenation of a feedstock of a liquefied mixture of hydrocarbons consisting chiefly of methane and containing at least 2 mol % of nitrogen |
| 06/06/1995 | US5421164 Air distillation, removal of carbon monoxide, carbon dioxide, water, and hydrogen |
| 06/06/1995 | US5421163 Separating air by cryogenic distillation to provide pure nitrogen, modifying residual gas by adding air or withdrawing gas, treating by adsorption to provide pure oxygen |
| 06/06/1995 | CA2059068C Method for separating a multi-component feed stream using distillation and a controlled freezing zone |
| 05/31/1995 | EP0655596A1 Process and plant for the cryogenic purification of hydrogen |
| 05/31/1995 | EP0655595A2 Recovery of volatile organic compounds from gas streams |
| 05/31/1995 | CN1103157A Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen |
| 05/31/1995 | CA2136507A1 Recovery of volatile organic compounds from gas streams |
| 05/30/1995 | US5419137 Air separation process and apparatus for the production of high purity nitrogen |
| 05/30/1995 | US5419136 Distillation column utilizing structured packing having varying crimp angle |
| 05/24/1995 | EP0654643A1 Process and installation for the distillation of air |
| 05/24/1995 | CN1102879A Self-refrigerated method of cryogenic fractionation and purification of gas and heat exchanger for carrying out the method |
| 05/20/1995 | CA2136132A1 Process and apparatus for air distillation |
| 05/18/1995 | WO1995013511A1 Cryogenic separation |
| 05/18/1995 | CA2174514A1 Cryogenic separation |
| 05/17/1995 | EP0653599A1 Combined installation of a metal production unit and a separation unit of gases from air |
| 05/17/1995 | CN1102701A Process and installation for the production of gaseous oxygen and/or gaseous nitrogen under pressure |
| 05/17/1995 | CN1102700A Process and installation for the production of at least one gas under pressure from air |
| 05/11/1995 | WO1995012742A1 Method for the recovery of coal bed methane |
| 05/10/1995 | CN1102473A Cryogenic rectification system for producing lower purity oxygen |
| 05/09/1995 | US5414190 Dewatering feed gas of methane, C2+ hydrocarbons, nitrogen, carbon dioxide and water in regenerable adsorption stage; removing carbon dioxide in membrane separating stage; distilling to separate hydrocarbons, residual carbon dioxide |
| 05/09/1995 | US5414188 Method and apparatus for the separation of C4 hydrocarbons from gaseous mixtures containing the same |
| 05/09/1995 | US5412954 Apparatus for cryogenic treatment, such as air distillation |
| 05/09/1995 | US5412953 Process and installation for the production of gaseous oxygen and/or gaseous nitrogen under pressure by distillation of air |
| 05/09/1995 | US5412950 Energy recovery system |
| 05/09/1995 | CA2075232C Vaporization of liquid oxygen for increased argon recovery |
| 05/04/1995 | WO1995011856A1 Air purification process |
| 05/03/1995 | EP0650748A1 Liquid distributor for a heat exchanger and masstransfer, distillation column with such a distributor and use of such a column for the air distillation |
| 05/02/1995 | US5411356 Self-locking strut nut system |
| 05/02/1995 | US5410885 Cryogenic rectification system for lower pressure operation |
| 05/02/1995 | US5410869 Method of operating a combination power plant by coal or oil gasification |
| 04/30/1995 | CA2134537A1 Liquid distribution device for heat exchangers; distillation column comprising said device; use of said column for air distillation |
| 04/27/1995 | CA2134173A1 Hydrogen cryogenic purification process and plant |
| 04/27/1995 | CA2134172A1 Compressed oxygen and/or nitrogen production process and plant |
| 04/25/1995 | US5408831 Process and installation for the production of gaseous oxygen under pressure |
| 04/18/1995 | US5406802 Passing gas through absorber, contacting solvent stream, passing solvent rich stream to a lower purification zone and concurrently contacting with reflux stream, withdrawing second solvent rich stream, flashing; non-cryogenic separation |
| 04/18/1995 | US5406800 Column sump and top condenser liquid setpoint changed in response to feed flow rate change |
| 04/18/1995 | US5406786 Distillation of compressed air into oxygen and waste nitrogen product, compressing oxygen product and reacting with fuel forming synthesis gas which will combust with saturated compressed air forming combustion gas and generates work |
| 04/13/1995 | WO1995010011A1 Improved thermodynamic separation |
| 04/13/1995 | WO1995010010A1 Process for purifying liquid natural gas |
| 04/12/1995 | EP0627064A4 A process for extracting vapor from a gas stream. |
| 04/11/1995 | US5404725 Process and installation for producing nitrogen and oxygen |
| 04/08/1995 | CA2132797A1 Process for purifying liquid natural gas |
| 04/07/1995 | CA2133302A1 Integrated process for purifying and liquefying a feed gas mixture with respect to its less strongly adsorbed component of lower volatility |
| 04/06/1995 | DE4411533C1 Anaesthesia apparatus |
| 04/05/1995 | EP0646756A1 A method for preparing pure, gaseous carbon dioxide and an apparatus to be used therewith |
| 04/05/1995 | EP0646755A1 Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen |
| 04/05/1995 | CN1101118A Production of ultrahigh purity nitrogen |
| 04/04/1995 | US5403569 Process for boiler flue gas cleaning by absorption, separation and liquefaction |
| 04/04/1995 | US5402647 Cryogenic rectification system for producing elevated pressure nitrogen |
| 04/04/1995 | US5402646 Air separation |
| 04/04/1995 | US5402645 Liquid product recovery from a hydrocarbon gas stream |
| 04/04/1995 | US5402631 Integration of combustor-turbine units and integral-gear pressure processors |
| 04/02/1995 | CA2107504A1 Thermodynamic separation |
| 03/30/1995 | DE4332870A1 Process and apparatus for producing a krypton/xenon concentrate by low-temperature fractionation of air |
| 03/29/1995 | EP0645595A1 Air separation schemes for oxygen and nitrogen co-production as gas and/or Liquid products |
| 03/29/1995 | EP0644996A1 Fluid cooling process and plant, especially for natural gas liquefaction |
| 03/28/1995 | US5400600 Process and installation for the production of gaseous oxygen under pressure |
| 03/28/1995 | CA1334888C Process and apparatus for the production of high purity oxygen and carbon dioxide |
| 03/22/1995 | EP0644390A1 Gas compression process and assembly |
| 03/22/1995 | EP0644389A1 Distillation column utilizing structured packing |
| 03/22/1995 | EP0644388A1 Cryogenic air separation |
| 03/22/1995 | CN1100514A Method and apparatus for producing oxygen under pressure |
| 03/22/1995 | CA2132367A1 Process and assembly for compressing a gas |
| 03/21/1995 | US5398514 Cryogenic rectification system with intermediate temperature turboexpansion |
| 03/21/1995 | CA2080293C Cryogenic rectification system with improved oxygen recovery |
| 03/21/1995 | CA2075746C Cryogenic rectification system for enhanced argon production |
| 03/21/1995 | CA2034740C Cryogenic air separation system with hybrid argon column |
| 03/15/1995 | EP0642649A1 Method of separating higher-boiling hydrocarbons out of a mixture of gases. |
| 03/14/1995 | US5396773 Rectification of oxygen and distillation |
| 03/14/1995 | US5396772 Atmospheric gas separation method |
| 03/14/1995 | CA2022168C Condensing-vaporizing apparatus for twin column air separator, and air separator equipped with same |
| 03/08/1995 | EP0641983A1 Process and installation for the production of gaseous oxygen and/or nitrogen under pressure |
| 03/08/1995 | EP0641982A1 Process and installation for the production of at least a gas from air under pressure |
| 03/08/1995 | CN1099718A Circular ammonia no-hydrogen deoxygen purify system for drying polyamide fibre section |
| 03/08/1995 | CN1027802C Low temp. purification of gas |
| 03/07/1995 | US5396416 Multivariable process control method and apparatus |
| 03/02/1995 | CA2131121A1 Process and equipment for producing at least one gas from compressed air |
| 03/02/1995 | CA2131120A1 Process and equipment for producing compressed gazeous nitrogen and/or oxygen |
| 03/01/1995 | EP0640802A1 Air separation |
| 03/01/1995 | EP0640368A1 Chemical purification for semiconductor processing by partial condensation |
| 03/01/1995 | CN1099472A Distillation system with partitioned column |
| 03/01/1995 | CN1099458A Integration of combustor-turbine units and integral-gear pressure processors |
| 02/28/1995 | US5392609 Process and apparatus for the production of impure oxygen |
| 02/24/1995 | CA2128054A1 Pumped liquid oxygen method and apparatus |
| 02/22/1995 | EP0639746A1 Air separation |
| 02/17/1995 | CA2126052A1 Air separation process and apparatus for the production of high purity nitrogen |
| 02/16/1995 | DE4327311A1 Process and apparatus for the chemical conversion of a starting material with integrated low-temperature fractionation of air |
| 02/15/1995 | EP0638778A1 Distillation system with partitioned column |