Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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F25J
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
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3/00
Processes or apparatus for separating the constituents of gaseous; or liquefied gaseous; mixtures involving the use of liquefaction or solidification
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F25J3/02
by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
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F25J3/04006
Providing pressurised feed air or process streams within or from the air fractionation unit
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F25J3/04078
providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
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