| 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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| 06/27/1978 | US4097250 Method for the purification of natural gas having a high contents of acidic gases |
| 05/30/1978 | US4092131 Process and apparatus for the low-temperature separation of air |
| 05/30/1978 | US4091633 Process and apparatus for the separation of a low-boiling gaseous mixture |
| 05/09/1978 | US4088464 Method and apparatus with a single rectifying column for air fractionation |
| 04/11/1978 | US4083194 Heat exchanging to recover methane |
| 03/21/1978 | US4080429 Carrier gases, cooling using liquid nitrogen |
| 03/14/1978 | US4078907 Separation and purification of xenon |
| 02/07/1978 | US4072485 Method of and arrangement for processing through low temperature heat exchanges and in particular for treating natural gases and cracked gases |
| 02/07/1978 | US4072023 Air-rectification process and apparatus |
| 01/24/1978 | US4070172 Pressure responsive fractionation control |
| 01/24/1978 | US4070165 Pretreatment of raw natural gas prior to liquefaction |
| 12/06/1977 | US4061481 Natural gas processing |
| 11/29/1977 | US4060339 Method and apparatus for controlling a gas-producing facility |
| 11/15/1977 | US4058589 Treatment of ammonia synthesis purge gas |
| 11/08/1977 | US4057407 Method and apparatus for recovering argon from an air fractionating process |
| 11/01/1977 | US4055961 Device for liquefying gases |
| 10/25/1977 | US4055625 Liquefying, cryogenic distillation |
| 10/18/1977 | US4054433 Incorporated cascade cooling cycle for liquefying a gas by regasifying liquefied natural gas |
| 09/27/1977 | US4050909 Separation by multistage scrubbing |
| 09/27/1977 | US4050506 Stepwise turndown by closing heat exchanger passageways responsive to measured flow |
| 08/30/1977 | US4045191 Radioactive krypton gas separation |
| 08/23/1977 | US4043770 Absorption-adsorption system for purifying cryogenic gases |
| 08/16/1977 | US4042011 Refrigeration control |
| 08/09/1977 | US4040806 Process for purifying hydrocarbon gas streams |
| 08/09/1977 | US4040259 Recovery of natural gas liquids by partial condensation |
| 07/26/1977 | US4038060 Cryogenic still surrounded by adsorbent |
| 07/05/1977 | US4033735 Single mixed refrigerant, closed loop process for liquefying natural gas |
| 05/31/1977 | US4026120 Natural gas thermal extraction process and apparatus |
| 05/24/1977 | US4025398 Distillation processes and apparatus |
| 05/10/1977 | US4022597 Separation of liquid hydrocarbons from natural gas |
| 05/10/1977 | US4022030 Thermal cycle for the compression of a fluid by the expansion of another fluid |
| 04/26/1977 | US4019314 High pressure gasification of coal using nitrogen dilution of waste gas from steam generator |
| 04/12/1977 | US4017284 Air distillation apparatus comprising regenerator means for producing oxygen |
| 04/12/1977 | US4017283 Method and plant for making up nitrogen vaporization losses in nitrogen-containing liquified natural gas carrying tankers |
| 03/29/1977 | US4014674 Turboexpander |
| 03/15/1977 | US4012490 Krypton, xenon |
| 03/15/1977 | US4012212 Process and apparatus for liquefying natural gas |
| 03/01/1977 | US4010010 Gas-vapor separation process and apparatus with low energy consumption |
| 02/01/1977 | US4006001 Production of intermediate purity oxygen by plural distillation |
| 01/25/1977 | US4004430 Demethanization |
| 01/11/1977 | US4002553 Apparatus for the separation, and storage of hydrogen gas |
| 01/11/1977 | US4002042 Recovery of C2 + hydrocarbons by plural stage rectification and first stage dephlegmation |
| 01/04/1977 | US4001116 Gravitational separation of solids from liquefied natural gas |
| 12/07/1976 | US3996030 Fractionation of gases at low pressure |
| 12/07/1976 | US3996028 Process for purification of argon from oxygen |
| 11/16/1976 | US3992168 Heat exchanger with rectification effect |
| 11/02/1976 | US3989478 Upgrading a methane gas stream |
| 10/05/1976 | US3983711 Plural stage distillation of a natural gas stream |
| 09/28/1976 | US3983191 Brazed plate-type heat exchanger for nonadiabatic rectification |
| 08/31/1976 | US3977203 Liquid extraction with a polar solvent |
| 08/03/1976 | US3972691 Method for recovering chlorine from chlorine-containing gaseous mixtures containing carbon dioxide as one component |
| 07/27/1976 | US3971640 Method of separating krypton-xenon concentrate from air |
| 07/13/1976 | US3969450 Heat-exchanger trays and system using same |
| 07/13/1976 | US3968659 Process for separating water and liquid hydrocarbons from a fluid flow medium |
| 07/06/1976 | US3967938 Process for the separation of a gaseous mixture consisting of water vapor, hydrocarbons, and air |
| 07/06/1976 | US3967464 Air separation process and system utilizing pressure-swing driers |
| 06/15/1976 | US3963462 Method of purifying a neon-helium mixture |
| 06/08/1976 | US3962300 Process for producing methanol |
| 05/11/1976 | US3956415 Plural stage distillation with intermediate indirect heat exchange, of feed streams comprising ethylene and methane |
| 05/04/1976 | US3954430 Liquefaction of chlorine by multi-stage compression and cooling |
| 04/20/1976 | US3950957 Thermodynamic interlinkage of an air separation plant with a steam generator |
| 03/30/1976 | US3947259 Thermodynamically improved system for producing gaseous oxygen and gaseous nitrogen |
| 03/30/1976 | US3947146 Removal of heat of compression |
| 03/23/1976 | US3945214 Method and apparatus for cooling a gas |
| 03/16/1976 | US3944646 Radioactive krypton gas separation |
| 02/24/1976 | US3940263 Steelmaking with inert gas blowing |
| 01/13/1976 | US3932156 Recovery of heavier hydrocarbons from natural gas |