F25J2200/52 - CPC Classification Index

ClassID:

160344 ⎘

F25J2200/52 - CPC Classification

Classification description:

Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the high pressure column of a double pressure main column system

Recent Application in this class:

20210372698

2021-12-02

ENHANCEMENTS TO A DUAL COLUMN NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNIT

20210180863

2021-06-17

System and method for separating methane and nitrogen with reduced horsepower demands

20200132368

2020-04-30

Apparatus for the distillation of air by cryogenic distillation

20160356546

2016-12-08

Main heat exchange system and method for reboiling

20160187059

2016-06-30

Method and apparatus for obtaining a compressed gas product by cryogenic separation of air

20150168053

2015-06-18

Main heat exchange system and method for reboiling

20130205831

2013-08-15

Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air

20080110203

2008-05-15

Cryogenic process system with extended bonnet filter

20060260358

2006-11-23

Gas separation liquefaction means and processes