F25J2200/54 - CPC Classification Index

ClassID:

160345 ⎘

F25J2200/54 - CPC Classification

Classification description:

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

Recent Application in this class:

20230103843

2023-04-06

LOW-PRESSURE NITROGEN TURBINE WITH AIR BOOSTER PARALLEL TO THE BOOSTER AIR COMPRESSOR

20230038170

2023-02-09

PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR

20210372697

2021-12-02

ENHANCEMENTS TO A DUAL COLUMN NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNIT

20200132368

2020-04-30

Apparatus for the distillation of air by cryogenic distillation

20190242646

2019-08-08

Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air

20180299195

2018-10-18

Method for controlling production of high pressure gaseous oxygen in an air separation unit

20180023890

2018-01-25

Method And Apparatus For Obtaining A Compressed Nitrogen Product

20180017322

2018-01-18

Method and apparatus for producing compressed nitrogen and liquid nitrogen by cryogenic separation of air

20170211879

2017-07-27

Process and apparatus for producing pressurized gaseous nitrogen by cryogenic separation of air

#10

20170051971

2017-02-23

Distillation column system and plant for production of oxygen by cryogenic fractionation of air

#11

20160370111

2016-12-22

METHOD FOR PRODUCING AT LEAST ONE AIR PRODUCT, AIR SEPARATION SYSTEM, METHOD AND DEVICE FOR PRODUCING ELECTRICAL ENERGY

#12

20160356546

2016-12-08

Main heat exchange system and method for reboiling

#13

20160258678

2016-09-08

Condenser-reboiler system and method with perforated vent tubes

#14

20160258677

2016-09-08

Condenser-reboiler system and method with perforated vent tubes

#15

20160245586

2016-08-25

Method and device for separating air by cryogenic distillation

#16

20160131425

2016-05-12

System and method for production of crude argon by cryogenic rectification of air

#17

20160123663

2016-05-05

Air separation method

#18

20160123662

2016-05-05

Method and device for oxygen production by low-temperature separation of air at variable energy consumption

#19

20160123661

2016-05-05

Air separation apparatus

#20

20160003531

2016-01-07

Method and device for generating gaseous compressed nitrogen

#21

20150316318

2015-11-05

System and method for production of argon by cryogenic rectification of air

#22

20150168053

2015-06-18

Main heat exchange system and method for reboiling

#23

20140223960

2014-08-14

Method and device for generating two purified partial air streams

#24

20140223959

2014-08-14

Method and device for the cryogenic decomposition of air

#25

20140053601

2014-02-27

Method and apparatus for separating air by cryogenic distillation

#26

20130086940

2013-04-11

Air separation plant and process operating by cryogenic distillation

#27

20130042647

2013-02-21

Production Of High-Pressure Gaseous Nitrogen

#28

20130042646

2013-02-21

Production of high-pressure gaseous nitrogen

#29

20130019634

2013-01-24

AIR SEPARATION METHOD AND APPARATUS

#30

20130000351

2013-01-03

Production Of High-Pressure Gaseous Nitrogen

#31

20120297823

2012-11-29

Method and appliance for separating air by cryogenic distillation

#32

20120144861

2012-06-14

Process and installation for producing high-pressure nitrogen

#33

20120125044

2012-05-24

FEED COMPRESSION METHOD AND APPARATUS FOR AIR SEPARATION PROCESS

#34

20120118013

2012-05-17

APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#35

20110226015

2011-09-22

Air separation method and apparatus

#36

20110067445

2011-03-24

Method And Apparatus For Separating Air By Cryogenic Distillation

#37

20100043490

2010-02-25

Method and apparatus for separating air

#38

20100037656

2010-02-18

Krypton and xenon recovery method

#39

20090277220

2009-11-12

Method and apparatus for separating air

#40

20090071191

2009-03-19

Cryogenic air separation process with excess turbine refrigeration

#41

20080115531

2008-05-22

Cryogenic Air Separation Process and Apparatus

#42

20080110203

2008-05-15

Cryogenic process system with extended bonnet filter

#43

20070251267

2007-11-01

Cryogenic Air Separation Process

#44

20070095100

2007-05-03

Cryogenic air separation process with excess turbine refrigeration

#45

20060260358

2006-11-23

Gas separation liquefaction means and processes

#46

20060021380

2006-02-02

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

#47

20050210916

2005-09-29

Process and apparatus for the cryogenic separation of air

#48

20050138960

2005-06-30

Cryogenic air separation system for producing elevated pressure nitrogen