ClassID:

160353

F25J2200/92 - CPC Classification

Classification description:

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

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
20220163257
2022-05-26

Hydrocarbon gas processing

#3
20200072547
2020-03-05

System and method for separating natural gas liquid and nitrogen from natural gas streams

#4
20200064064
2020-02-27

System and Method for Natural Gas Liquid Production with Flexible Ethane Recovery or Rejection

#5
20190293348
2019-09-26

Nitrogen production method and nitrogen production apparatus

#6
20180347900
2018-12-06

Process for obtaining one or more air products and air separation plant

#7
20180231306
2018-08-16

System and method for separating natural gas liquid and nitrogen from natural gas streams

#8
20170045290
2017-02-16

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

#9
20160377341
2016-12-29

HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FORMED BY COMBINING A PORTION OF COLUMN RESIDUE GAS WITH A DISTILLATION VAPOR STREAM WITHDRAWN FROM THE SIDE OF THE COLUMN

#10
20160040930
2016-02-11

Cryogenic system for removing acid gases from a hydrocarbon gas stream

#11
20120125043
2012-05-24

CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM

#12
20120096896
2012-04-26

Process for separating and recovering ethane and heavier hydrocarbons from LNG

#13
20110067443
2011-03-24

Hydrocarbon Gas Processing

#14
20110067442
2011-03-24

Hydrocarbon gas processing featuring a compressed reflux stream formed by combining a portion of column residue gas with a distillation vapor stream withdrawn from the side of the column

#15
20110067441
2011-03-24

Hydrocarbon Gas Processing

#16
20090056371
2009-03-05

Method and Apparatus for Deriching a Stream of Liquefied Natural Gas