ClassID:

160260

F25J3/04654 - 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; Recovering noble gases from air argon Producing crude argon in a crude argon column

Sub-classes:
Recent Application in this class:
#1
20260035243
2026-02-05

SYSTEM AND METHOD FOR PRODUCTION OF ULTRA-HIGH PURITY OXYGEN

#2
20230296314
2023-09-21

ARGON ENHANCING METHOD AND DEVICE

#3
20210116175
2021-04-22

System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units

#4
20180299199
2018-10-18

Apparatus and method for lowering a column section

#5
20180299198
2018-10-18

Method for installation of a cryogenic distillation apparatus

#6
20180299197
2018-10-18

Method for constructing a cold box module

#7
20180299196
2018-10-18

Apparatus for distillation at cryogenic temperatures

#8
20160265841
2016-09-15

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

#9
20160123663
2016-05-05

Air separation method

#10
20160123661
2016-05-05

Air separation apparatus

#11
20160061520
2016-03-03

Method for the cryogenic fractionation of air and air fractionation plant

#12
20160003537
2016-01-07

Air separation method and air separation apparatus

#13
20150369535
2015-12-24

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

#14
20150007608
2015-01-08

Air separation method and apparatus with improved argon recovery

#15
20150007607
2015-01-08

Air separation method and apparatus with improved argon recovery

#16
20140202208
2014-07-24

Method and device for separating a gas mixture by cryogenic distillation

#17
20120125045
2012-05-24

Air separation method and apparatus

#18
20110226015
2011-09-22

Air separation method and apparatus

#19
20100011811
2010-01-21

Method and device for separating a gas mixture by cryogenic distillation