Patents-Review.com
ClassID:

160490 ⎘

F25J2245/58 - CPC Classification

Classification description:

Processes or apparatus involving steps for recycling of process streams the recycled stream being argon or crude argon

Recent Application in this class:
#1
20230050296
2023-02-16

Cryogenic air separation unit with argon condenser vapor recycle

 #2
20220146196
2022-05-12

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

 #3
20220146195
2022-05-12

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

 #4
20200370825
2020-11-26

Method and apparatus for separating air by cryogenic distillation

 #5
20200318898
2020-10-08

Cryogenic air separation apparatus

 #6
20200191334
2020-06-18

Method for reheating an atmospheric vaporizer using a gas originating from a cryogenic air separation unit

 #7
20200149808
2020-05-14

AIR SEPARATION METHOD AND APPARATUS

 #8
20190204009
2019-07-04

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

 #9
20180372405
2018-12-27

METHOD AND DEVICE FOR OBTAINING PURE NITROGEN AND PURE OXYGEN BY LOW-TEMPERATURE SEPARATION OF AIR

 #10
20180292130
2018-10-11

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

 #11
20180187837
2018-07-05

Method for reheating an atmospheric vaporizer using a gas originating from a cryogenic air-separation unit

 #12
20180180357
2018-06-28

PROCESS FOR PRODUCING ONE OR MORE AIR PRODUCTS, AND AIR SEPARATION PLANT

 #13
20180038645
2018-02-08

Plant for producing oxygen by cryogenic air separation

 #14
20170299262
2017-10-19

Method and device for variably obtaining argon by means of low-temperature separation

 #15
20170051971
2017-02-23

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

 #16
20170030642
2017-02-02

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

 #17
20170030641
2017-02-02

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

 #18
20170030640
2017-02-02

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

 #19
20170030639
2017-02-02

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

 #20
20170030638
2017-02-02

Method and apparatus for argon rejection and recovery

 #21
20160265841
2016-09-15

System and method for generation of oxygen by low-temperature air separation

 #22
20150007608
2015-01-08

Air separation method and apparatus with improved argon recovery

 #23
20150007607
2015-01-08

Air separation method and apparatus with improved argon recovery

 #24
20130149226
2013-06-13

Inert gas recovery and recycle for silicon crystal growth pulling process

 #25
20120125045
2012-05-24

Air separation method and apparatus

 #26
20120085125
2012-04-12

Method and device for separating argon from a gas mixture

 #27
20110247491
2011-10-13

Process and apparatus for the treatment of a carbon dioxide-containing gas stream form a large-scale combustion plant

 #28
20100242538
2010-09-30

Cryogenic rectification method

 #29
20100024478
2010-02-04

PROCESS AND DEVICE FOR RECOVERING ARGON BY LOW-TEMPERATURE SEPARATION OF AIR