ClassID:

160152

F25J3/0285 - 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 characterised by the separated product stream separation of noble gases of argon

Recent Application in this class:
#1
20250321050
2025-10-16

PROCESS AND APPARATUS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS

#2
20250093095
2025-03-20

WASTE ARGON SEPARATION SYSTEM AND METHOD CAPABLE OF REDUCING EMISSION OF CRYOGENIC WASTE ARGON

#3
20230052938
2023-02-16

Cryogenic air separation unit with argon condenser vapor recycle

#4
20220325952
2022-10-13

METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT ARGON

#5
20210364232
2021-11-25

PROCESS FOR SUPPLYING OXYGEN AND/OR NITROGEN AND ALSO ARGON TO A GEOGRAPHIC ZONE

#6
20210156612
2021-05-27

Argon and power production by integration with power plant

#7
20190293347
2019-09-26

METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT ARGON

#8
20190003766
2019-01-03

System and method for rare gas recovery

#9
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#10
20180328655
2018-11-15

Argon condensation system and method

#11
20180320962
2018-11-08

Argon condensation system and method

#12
20180080710
2018-03-22

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

#13
20180080709
2018-03-22

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

#14
20180080708
2018-03-22

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

#15
20170268821
2017-09-21

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#16
20170268820
2017-09-21

System and method for argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#17
20170122661
2017-05-04

System and method for argon recovery from the tail gas of an ammonia production plant

#18
20170030641
2017-02-02

Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#19
20170030640
2017-02-02

Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#20
20170030639
2017-02-02

Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#21
20160060130
2016-03-03

Hydrogen and nitrogen recovery from ammonia purge gas

#22
20160003539
2016-01-07

Argon condensation system and method

#23
20150369535
2015-12-24

Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plant

#24
20130039835
2013-02-14

Hydrogen and Nitrogen Recovery from Ammonia Purge Gas

#25
20120085125
2012-04-12

Method and device for separating argon from a gas mixture

#26
20120067082
2012-03-22

METHOD AND APPARATUS FOR PRODUCING AT LEAST ONE ARGON-ENRICHED FLUID AND AT LEAST ONE OXYGEN-ENRICHED FLUID FROM A RESIDUAL FLUID

#27
20120067081
2012-03-22

Process And Plant For Recovering Argon In A Separation Unit For A Purge Gas Used In The Synthesis Of Ammonia

#28
20110257276
2011-10-20

Process and apparatus for the production of hydrocarbon compounds from methane

#29
20100115992
2010-05-13

METHODS FOR RECOVERING ARGON

#30
20080307961
2008-12-18

CENTRIFUGAL SEPARATION OF RARE GASES

#31
20060074132
2006-04-06

Process and apparatus for the production of hydrocarbon compounds from methane

#32
20050025678
2005-02-03

Process for recovery, purification, and recycle of argon