F25J3/04175 - CPC Classification Index

ClassID:

160184 ⎘

F25J3/04175 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air; Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams; Hot end purification of the feed air by adsorption of the impurities at a pressure of substantially more than the highest pressure column

Recent Application in this class:

20240003620

2024-01-04

PROCESS AND PLANT FOR CRYOGENIC SEPARATION OF AIR

20220146196

2022-05-12

SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

20220146195

2022-05-12

METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

20190321772

2019-10-24

Method for cryogenic separation of air, and air separation plant

20190293348

2019-09-26

Nitrogen production method and nitrogen production apparatus

20190204009

2019-07-04

System and method for flexible recovery of argon from a cryogenic air separation unit

20180347900

2018-12-06

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

20180299195

2018-10-18

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

20180142950

2018-05-24

LNG integration with cryogenic unit

#10

20170234614

2017-08-17

Method for the cryogenic separation of air and air separation plant

#11

20170205141

2017-07-20

Method for producing pressurized gaseous oxygen through the cryogenic separation of air

#12

20170153058

2017-06-01

Method and device for the low-temperature separation of air at variable energy consumption

#13

20170131029

2017-05-11

Method and system for providing supplemental refrigeration to an air separation plant

#14

20170131028

2017-05-11

Method and device for the low-temperature separation of air at variable energy consumption

#15

20170115054

2017-04-27

System and method for providing refrigeration to a cryogenic separation unit

#16

20170115053

2017-04-27

Air separation system and method

#17

20170030643

2017-02-02

Air separation apparatus

#18

20160231053

2016-08-11

Process and apparatus for producing gaseous oxygen by cryogenic distillation of air

#19

20160187059

2016-06-30

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

#20

20160003535

2016-01-07

Method and apparatus for the cryogenic separation of air

#21

20160003534

2016-01-07

Method and apparatus for the cryogenic separation of air

#22

20160003531

2016-01-07

Method and device for generating gaseous compressed nitrogen

#23

20150345857

2015-12-03

Air separation system and method

#24

20150253075

2015-09-10

PROCESS FOR THE SEPARATION OF AIR BY CRYOGENIC DISTILLATION

#25

20140174123

2014-06-26

Air separation method and apparatus

#26

20130255313

2013-10-03

PROCESS FOR THE SEPARATION OF AIR BY CRYOGENIC DISTILLATION

#27

20130219959

2013-08-29

Process and apparatus for the separation of air by cryogenic distillation

#28

20130205831

2013-08-15

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

#29

20120174625

2012-07-12

METHOD AND DEVICE FOR PRODUCING A GASEOUS PRESSURIZED OXYGEN PRODUCT BY CRYOGENIC SEPARATION OF AIR

#30

20120131952

2012-05-31

METHOD FOR RECOVERING A GASEOUS PRESSURE PRODUCT BY LOW-TEMPERATURE SEPARATION OF AIR

#31

20120131951

2012-05-31

AIR LIQUEFACTION SEPARATION METHOD AND APPARATUS

#32

20120118006

2012-05-17

Method and apparatus for separating air by cryogenic distillation

#33

20110197630

2011-08-18

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#34

20110138855

2011-06-16

Oxygen production method and apparatus

#35

20110120186

2011-05-26

Method and device for producing air gases in a gaseous and liquid form with a high flexibility and by cryogenic distillation

#36

20110067444

2011-03-24

Processes and Device for Low Temperature Separation of Air

#37

20110023540

2011-02-03

Method and device for low-temperature air separation

#38

20110011130

2011-01-20

Method And Apparatus For The Production Of Gas From Air In Highly Flexible Gaseous And Liquid Form By Cryogenic Distillation

#39

20100313600

2010-12-16

Method and apparatus for pressurized product production

#40

20090205368

2009-08-20

Distillation method and apparatus

#41

20090188280

2009-07-30

PROCESS AND DEVICE FOR LOW-TEMPERATURE SEPARATION OF AIR

#42

20090078001

2009-03-26

Cryogenic Distillation Method and System for Air Separation

#43

20080223076

2008-09-18

Cryogenic Distillation Method and Installation for Air Separation

#44

20070283719

2007-12-13

Air separation method

#45

20070209388

2007-09-13

Cryogenic air separation method with temperature controlled condensed feed air

#46

20070157664

2007-07-12

Cryogenic air separation system with multi-pressure air liquefaction

#47

20070137248

2007-06-21

Method and apparatus for separating air by cryogenic distillation

#48

20070017251

2007-01-25

Cryogenic distillation method and system for air separation

#49

20060277944

2006-12-14

Method and system for the production of pressurized air gas by cryogenic distillation of air

#50

20060272353

2006-12-07

Process and apparatus for the separation of air by cryogenic distillation

#51

20060254312

2006-11-16

Method and installation for producing, in gaseous form and under high pressure, at least one fluid chosen from oxygen, argon and nitrogen by cryogenic distillation of air

#52

20050126221

2005-06-16

Process and apparatus for the separation of air by cryogenic distillation