ClassID:

85332

C01B2210/0004 - CPC Classification

Classification description:

Purification or separation of specific gases; Separation or purification processing; Chemical processing by oxidation

Recent Application in this class:
#1
20260004818
2026-01-01

OXYGEN PARTIAL PRESSURE REGULATION BY USE OF ORGANIC OXYGEN-BUFFERING MATERIALS SUCH AS TRANSITION METAL SALENS IN HERMETICALLY SEALED ELECTRONIC DEVICES ENVIRONMENT AND RELATED ASSEMBLIES AND METHODS

#2
20240409407
2024-12-12

THERMOCHEMICAL PROCESS AND COMPACT APPARATUS FOR THE CONCENTRATION OF OXYGEN IN EXTRATERRESTRIAL ATMOSPHERES

#3
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#4
20240228285
2024-07-11

PROCESS FOR PRODUCING VERY HIGH PURITY HELIUM OR HYDROGEN

#5
20240132353
2024-04-25

PROCESS FOR PRODUCING VERY HIGH PURITY HELIUM OR HYDROGEN

#6
20230382735
2023-11-30

HELIUM RECOVERY PROCESS

#7
20230264165
2023-08-24

CATALYTIC REACTOR WITH IMPROVED PROPERTIES

#8
20230212768
2023-07-06

Device and method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed water

#9
20230183068
2023-06-15

NOVEL METHOD FOR PRETREATING AND RECOVERING A RARE GAS FROM A GAS CONTAMINANT STREAM EXITING AN ETCH CHAMBER

#10
20230092115
2023-03-23

Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature method

#11
20220363540
2022-11-17

Method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber

#12
20220001326
2022-01-06

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

#13
20210309519
2021-10-07

Process system and process method for conversion of sulfur-containing flue gas to sulfuric acid

#14
20200180959
2020-06-11

PROCESS FOR PRODUCING NITRIC ACID

#15
20200140280
2020-05-07

PURIFICATION SYSTEMS AND METHODS FOR CARBON DIOXIDE PRODUCTION

#16
20200131036
2020-04-30

Process for the recovery of iodine from aqueous solutions

#17
20190046924
2019-02-14

Inert gas generating system

#18
20180327263
2018-11-15

Process and apparatus for treating a sour synthesis gas

#19
20180258035
2018-09-13

Method for purification of a CO2 stream

#20
20180244523
2018-08-30

Production of hyperpolarized gas

#21
20160228813
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#22
20160115029
2016-04-28

HELIUM RECOVERY PROCESS AND APPARATUS

#23
20130149226
2013-06-13

Inert gas recovery and recycle for silicon crystal growth pulling process

#24
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#25
17527753
2022-12-20

Methods and systems of sub-dew point sulfur recovery with interstage membrane units