F25J3/00 - CPC Classification Index

ClassID:

160133 ⎘

F25J3/00 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification

Sub-classes:

F25J3/02 » by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream 8
F25J3/06 » by partial condensation 11
F25J3/08 » Separating gaseous impurities from gases or gaseous mixtures {or from liquefied gases or liquefied gaseous mixtures} 237

Recent Application in this class:

20190201838

2019-07-04

HELIUM RECOVERY FROM NATURAL GAS

20190184341

2019-06-20

METHOD FOR PREPARATION OF HOLLOW FIBER MEMBRANE DEVICES AND THE USE THEREOF

20190107325

2019-04-11

Cryogenic distillation comprising vacuum insulation panel

20180044179

2018-02-15

Separation of a phosgene- and hydrogen chloride-comprising stream

20170307261

2017-10-26

Thermoacoustic refrigerator

20150027164

2015-01-29

Carbon dioxide separating and capturing system and method of operating same

20140007615

2014-01-09

SYSTEM AND METHOD FOR PURIFICATION OF SILANE USING LIQUID NITROGEN IN A POLYSILICON PRODUCTION PROCESS

20130340471

2013-12-26

Cryogenic distillation comprising vacuum insulation panel

20130213085

2013-08-22

Hydrocarbon Mixture Processing System and Method using Vapor Recovery

#10

20130086940

2013-04-11

Air separation plant and process operating by cryogenic distillation

#11

20110083470

2011-04-14

Oxygen vaporization method and system

#12

20100236285

2010-09-23

Hydrocarbon gas processing

#13

20100162756

2010-07-01

Cryogenic distillation comprising vacuum insulation panel

#14

20100147023

2010-06-17

Gas liquefaction and separation device utilizing subsonic and supersonic nozzles

#15

13569177

2014-09-09

Hybrid supercritical carbon dioxide geothermal systems