ClassID:

84653

C01B21/045 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Purification or separation of nitrogen; Purification or separation processes; Physical processing only by adsorption in solids

Sub-classes:
Recent Application in this class:
#1
20240351896
2024-10-24

PROCESS FOR THE PREPARATION OF GREEN AMMONIA SYNTHESIS GAS

#2
20240178423
2024-05-30

APPARATUS, SYSTEM AND METHOD FOR GENERATING NITROGEN GAS FROM FUEL-CELL EXHAUST GAS

#3
20220311035
2022-09-29

Apparatus and system for generating nitrogen gas through dehumidifying and filtering fuel cell exhaust gas

#4
20200306684
2020-10-01

Nitrogen conservation in polymerization processes

#5
20190336906
2019-11-07

Nitrogen conservation in polymerization processes

#6
20180229177
2018-08-16

Fast cycle gas phase simulated moving bed apparatus and process

#7
20160245555
2016-08-25

Refrigeration unit for container

#8
20150151239
2015-06-04

Gas separation device and gas separation method

#9
20150007724
2015-01-08

Nitrogen-enriched gas manufacturing method, gas separation method and nitrogen-enriched gas manufacturing apparatus

#10
20140370125
2014-12-18

Method for producing NO/Ngaseous mixtures intended for the medical field

#11
20140326139
2014-11-06

Method for producing nitrogen gas, method for separating gas and device for producing nitrogen gas

#12
20110243828
2011-10-06

Production of ammonia from air and water

#13
20100139485
2010-06-10

GAS RECOVERY PROCESS

#14
20090151561
2009-06-18

Two stage pressure swing adsorption process for producing enriched-oxygen

#15
20070251382
2007-11-01

Separation of light gases from halogens

#16
20070227354
2007-10-04

Oxygen production process using three-stage pressure swing adsorption plants

#17
20060243585
2006-11-02

Method for the point of use production of ammonia from water and nitrogen

#18
20060243133
2006-11-02

Method for operating gas generators in tandem

#19
20060000223
2006-01-05

Desiccant cartridge

#20
20050019244
2005-01-27

Method for the point of use production of ammonia from water and nitrogen