F25J3/0204 - CPC Classification Index

ClassID:

160135 ⎘

F25J3/0204 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream

Sub-classes:

F25J3/0209 » {Natural gas or substitute natural gas} 584
F25J3/0219 » {Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature} 181
F25J3/0223 » {H/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis gas } 153

Recent Application in this class:

20260043606

2026-02-12

DYNAMIC CONTROL OF REFLUX RATE IN HYDROCARBON DISTILLATION

20220195319

2022-06-23

Paraffin dehydrogenation process and apparatus

20220163257

2022-05-26

Hydrocarbon gas processing

20210381759

2021-12-09

Carbon Dioxide Recycle Stream Processing with Ethylene Glycol Dehydrating in an Enhanced Oil Recovery Process

20210131727

2021-05-06

Lights removal from carbon dioxide

20200141638

2020-05-07

Carbon dioxide recycle stream processing in an enhanced oil recovery process

20190003766

2019-01-03

System and method for rare gas recovery

20170328632

2017-11-16

NGL recovery from a recycle stream having natural gas

20170227285

2017-08-10

Method and plant for the purification of carbon dioxide using liquid carbon dioxide

#10

20140208798

2014-07-31

Apparatus and Integrated Process for Separating a Mixture of Carbon Dioxide and at Least One Other Gas and for Separating Air by Cryogenic Distillation

#11