ClassID:

160355

F25J2200/96 - CPC Classification

Classification description:

Processes or apparatus using separation by rectification; Details relating to column internals, e.g. structured packing, gas or liquid distribution Dividing wall column

Recent Application in this class:
#1
20250251189
2025-08-07

System and Method for Separating Nitrogen from Methane with Ultra-Low Greenhouse Gas Emissions

#2
20220184522
2022-06-16

MONOBLOC ASSEMBLY FOR A DEVICE WHICH CAN CARRY OUT TRANSFER OF HEAT

#3
20190056176
2019-02-21

Process and device for the cryogenic separation of synthesis gas

#4
20180087834
2018-03-29

Exchange Column With Corrugated Structured Packing And Method For Use Thereof

#5
20180080710
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#6
20180080709
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#7
20180080708
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#8
20170320793
2017-11-09

Method and apparatus for producing hydrocarbons

#9
20130213088
2013-08-22

Systems and methods for separating hydrocarbons using one or more dividing wall columns

#10
20110290634
2011-12-01

Method for fabricating divided wall columns

#11
20110277500
2011-11-17

Nitrogen removal from natural gas

#12
20100217059
2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#13
20100108487
2010-05-06

Dividing wall column with a heat pump

#14
20090266107
2009-10-29

Integrated controlled freeze zone (CFZ) tower and dividing wall (DWC) for enhanced hydrocarbon recovery

#15
20060260926
2006-11-23

Radial-crossflow distillation trays for divided wall column applications