ClassID:

85337

C01B2210/0012 - CPC Classification

Classification description:

Purification or separation of specific gases; Separation or purification processing; Physical processing by making use of membranes characterised by the membrane

Recent Application in this class:
#1
20250187919
2025-06-12

HELIUM RECOVERY FROM THE NATURAL GAS IN PETROCHEMICAL PLANTS

#2
20250122079
2025-04-17

METHOD OF RECYCLING HELIUM FROM WASTE GAS IN SEMICONDUCTOR PROCESS

#3
20250032826
2025-01-30

PORTABLE SYSTEM FOR THE PRODUCTION OF OXYGEN

#4
20240286895
2024-08-29

APPARATUS AND METHOD FOR PRODUCING GRAPHENE AND HYDROGEN

#5
20240278192
2024-08-22

Porous NiBZY Supports for Hydrogen Separation Membranes

#6
20240239651
2024-07-18

INDUSTRIAL, COMMERCIAL AND RESIDENTIAL HYDROGEN GAS PRODUCTION, STORAGE AND CONVERSION SYSTEM

#7
20240002243
2024-01-04

SEPARATION AND RECOVERY METHOD FOR BORON TRIFLUORIDE AND COMPLEX THEREOF IN OLEFIN POLYMERIZATION REACTION

#8
20230241558
2023-08-03

Graphene Oxide-Nanoparticle Composite Membranes, Preparation and Uses Thereof

#9
20230219033
2023-07-13

Apparatus and method for mixing transmission and separation of hydrogen gas and natural gas recovered based on pressure energy

#10
20230212008
2023-07-06

HYDROGEN SEPARATION FILTER AND METHOD FOR MANUFACTURING HYDROGEN SEPARATION FILTER

#11
20230061332
2023-03-02

METHOD FOR CO-PRODUCTION OF DECARBONIZED METHANOL AND AMMONIA

#12
20220347499
2022-11-03

Portable system for the production of oxygen

#13
20220001326
2022-01-06

Method for Separating Gases in an Oxy-Fuel Combustion Process by Using Oxygen-Permeable Membranes

#14
20210379422
2021-12-09

Portable system for the production of oxygen

#15
20210309520
2021-10-07

NITROUS OXIDE PURIFICATION METHOD

#16
20210245092
2021-08-12

Hybrid post-combustion COcapture system and method

#17
20210060499
2021-03-04

Graphene nanowindow structure and method for producing highly pure gas

#18
20210031139
2021-02-04

Helium recovery from gaseous streams

#19
20200316415
2020-10-08

Portable System for the Production of Oxygen

#20
20190282952
2019-09-19

Energy efficient membrane-based process for COcapture

#21
20190247784
2019-08-15

THERMALLY REARRANGED POLYMER GAS SEPARATION MEMBRANE HAVING FLUORINATED CROSS-LINKED STRUCTURE, AND PREPARATION METHOD THEREFOR

#22
20190105612
2019-04-11

Composite Membranes

#23
20190046924
2019-02-14

Inert gas generating system

#24
20180353898
2018-12-13

Helium recovery from gaseous streams

#25
20180339274
2018-11-29

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, GAS SEPARATION METHOD, AND POLYIMIDE COMPOUND

#26
20180290111
2018-10-11

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND GAS SEPARATION METHOD

#27
20180280892
2018-10-04

GAS SEPARATION MEMBRANE, METHOD OF PRODUCING GAS SEPARATION MEMBRANE, GAS SEPARATION MEMBRANE MODULE, AND GAS SEPARATOR

#28
20180127660
2018-05-10

Nitrogen extraction from a gaseous carbon dioxide reactant stream

#29
20170320009
2017-11-09

CO2 separation device in gas and its membrane separation method and method for controlling membrane separation of CO2 separation device in gas

#30
20170259204
2017-09-14

Fluid separation processes using membranes based on fluorinated and perfluorinated polymers

#31
20170247116
2017-08-31

Air separation module with increased permeate area

#32
20170203251
2017-07-20

Gas Separation Membranes Based on Fluorinated and Perfluorinated Polymers

#33
20170100697
2017-04-13

Catalytic layer and use thereof in oxygen-permeable membranes

#34
20170095768
2017-04-06

ASYMMETRIC GAS SEPARATION MEMBRANE, AND METHODS FOR SEPARATING AND RECOVERING GASES

#35
20160325993
2016-11-10

OXYGEN TRANSPORT MEMBRANE

#36
20160228828
2016-08-11

METHOD FOR SEPARATING GASES

#37
20160228813
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#38
20130087444
2013-04-11

Process for selective removal of a product from a gaseous system

#39
20060131182
2006-06-22

Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions