ClassID:

160339

F25J2200/32 - CPC Classification

Classification description:

Processes or apparatus using separation by rectification using a side column fed by a stream from the high pressure column

Recent Application in this class:
#1
20250314424
2025-10-09

Apparatus and Process for Improved Argon Recovery

#2
20240393043
2024-11-28

METHOD FOR THE LOW-TEMPERATURE SEPARATION OF AIR AND AIR SEPARATION PLANT

#3
20240377131
2024-11-14

PLANT AND PROCESS FOR LOW-TEMPERATURE FRACTIONATION OF AIR

#4
20240053097
2024-02-15

AIR SEPARATION UNIT AND AIR SEPARATION METHOD

#5
20200318898
2020-10-08

Cryogenic air separation apparatus

#6
20200116427
2020-04-16

OVERHEAD RECYCLE PROCESS APPARATUS AND METHOD OF OVERHEAD RECYCLE PROCESSING OF HYDROCARBONS

#7
20190368811
2019-12-05

Process and apparatus for separating air using a split heat exchanger

#8
20190072325
2019-03-07

System and method for recovery of neon and helium from an air separation unit

#9
20180335256
2018-11-22

Apparatus and process for liquefying gases

#10
20180038645
2018-02-08

Plant for producing oxygen by cryogenic air separation

#11
20160265841
2016-09-15

System and method for generation of oxygen by low-temperature air separation

#12
20130219959
2013-08-29

Process and apparatus for the separation of air by cryogenic distillation

#13
20110302956
2011-12-15

Rare gases recovery process for triple column oxygen plant

#14
20110146343
2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#15
20110138855
2011-06-16

Oxygen production method and apparatus

#16
20100221168
2010-09-02

Cryogenic system for neon production

#17
20100071412
2010-03-25

Method and apparatus for producing high purity oxygen

#18
20100037656
2010-02-18

Krypton and xenon recovery method

#19
20070044507
2007-03-01

Process for the recovery of krypton and/or xenon by low-temperature separation of air

#20
20060185389
2006-08-24

Cryogenic rectification system for neon production

#21
20060021380
2006-02-02

Method and installation for production of noble gases and oxygen by means of cryrogenic air distillation