Patents-Review.com
ClassID:

160425 ⎘

F25J2220/40 - CPC Classification

Classification description:

Processes or apparatus involving steps for the removal of impurities Separating high boiling, i.e. less volatile components from air, e.g. CO, hydrocarbons

Recent Application in this class:
#1
20260063360
2026-03-05

HIGH-PURITY OXYGEN PRODUCTION APPARATUS

 #2
20230384027
2023-11-30

PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHANE AND AIR GASES, FACILITY FOR PRODUCING BIOMETHANE BY PURIFICATION OF BIOGASES DERIVED FROM NON-HAZARDOUS WASTE STORAGE FACILITIES (NHWSF) IMPLEMENTING THE PROCESS

 #3
20230027070
2023-01-26

Air separation apparatus, adsorber, and method

 #4
20210364233
2021-11-25

Method and apparatus for separating air by cryogenic distillation

 #5
20200318896
2020-10-08

Process for cryogenic separation of a feed stream containing methane and air gases, facility for producing biomethane by purification of biogases derived from non-hazardous waste storage facilities (NHWSF) implementing the process

 #6
20200158428
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

 #7
20200158427
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

 #8
20200149807
2020-05-14

System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit

 #9
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

 #10
20190331418
2019-10-31

System and method for high recovery of nitrogen and argon from a moderate pressure cryogenic air separation unit

 #11
20190331417
2019-10-31

System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit

 #12
20190308877
2019-10-10

Method and plant for generation of synthesis gas

 #13
20190264979
2019-08-29

SPLIT FLOW INTEGRATED LNG PRODUCTION (SFI-LNG)

 #14
20190063685
2019-02-28

Method for liquid air and gas energy storage

 #15
20180080379
2018-03-22

Liquid air power and storage with carbon capture

 #16
20180038639
2018-02-08

ROBUST RECOVERY OF NATURAL GAS LETDOWN ENERGY FOR SMALL SCALE LIQUEFIED NATURAL GAS PRODUCTION

 #17
20180008955
2018-01-11

Zeolite adsorbents having a high external surface area and uses thereof

 #18
20180003437
2018-01-04

Method for operating an air separation plant

 #19
20180003436
2018-01-04

Method for the production of air gases by the cryogenic separation of air with variable liquid production and power usage

 #20
20180003435
2018-01-04

Apparatus for operating an air separation plant

 #21
20180003434
2018-01-04

Apparatus for the production of air gases by the cryogenic separation of air

 #22
20180003433
2018-01-04

Method for the production of air gases by the cryogenic separation of air

 #23
20170234614
2017-08-17

Method for the cryogenic separation of air and air separation plant

 #24
20170115053
2017-04-27

Air separation system and method

 #25
20170045291
2017-02-16

METHOD FOR PURIFYING, COOLING AND SEPARATING A GASEOUS MIXTURE AND ASSOCIATED APPARATUS

 #26
20170030643
2017-02-02

Air separation apparatus

 #27
20170003073
2017-01-05

METHOD AND APPARATUS FOR SEPARATION AT SUBAMBIENT TEMPERATURE

 #28
20160200446
2016-07-14

On-board aircraft nitrogen enriched air and cooling fluid generation system and method

 #29
20160146535
2016-05-26

Process for purification of a synthesis gas containing hydrogen and impurities

 #30
20160123663
2016-05-05

Air separation method

 #31
20160123661
2016-05-05

Air separation apparatus

 #32
20140260416
2014-09-18

Liquefaction systems and associated processes and methods

 #33
20120031144
2012-02-09

Cryogenic system for removing acid gases from a hydrocarbon gas stream, and method of removing acid gases

 #34
20110226015
2011-09-22

Air separation method and apparatus

 #35
20100281917
2010-11-11

Apparatus and Method for Condensing Contaminants for a Cryogenic System

 #36
20060260358
2006-11-23

Gas separation liquefaction means and processes

 #37
20060213224
2006-09-28

Process and installation for the fractionation of air into specific gases