ClassID:

84419

C01B13/0237 - CPC Classification

Classification description:

Oxygen; Ozone; Oxides or hydroxides in general; Preparation of oxygen; Purification or separation processes; Chemical processing only by oxidation

Recent Application in this class:
#1
20240409407
2024-12-12

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

#2
20230212768
2023-07-06

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

#3
20230092115
2023-03-23

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

#4
20220001326
2022-01-06

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

#5
20210237037
2021-08-05

Colloidal-copper based water oxidation electrocatalyst

#6
20200290031
2020-09-17

Cluster compounds containing [MnSrO] and [MnSrO] core structures, preparation method and application thereof

#7
20200048088
2020-02-13

METHOD AND SYSTEM FOR PRODUCING HYDROGEN USING AN OXYGEN TRANSPORT MEMBRANE BASED REFORMING SYSTEM

#8
20150093324
2015-04-02

Graphene compositions and methods of making the same

#9
20140301938
2014-10-09

Method and apparatus for separating carbon and oxygen isotopes by using optical fiber laser

#10
20140219911
2014-08-07

Dihydroxybipyridine complexes of ruthenium and iridium for water oxidation and hydrogenation

#11
20110204293
2011-08-25

Gold catalysts for co oxidation and water gas shift reactions

#12
20100193422
2010-08-05

AIR OR WATER FILTRATION AND REMEDIATION SYSTEM

#13
20100154361
2010-06-24

Oxygen scavenging compositions and packaging comprising said compositions

#14
20100028229
2010-02-04

OXYGEN REMOVAL

#15
20090278087
2009-11-12

Oxygen Scavenging Compositions and Packaging Comprising Said Compositions

#16
20060180790
2006-08-17

Oxygen scavenging compositions and packaging comprising said compositions

#17
20060122057
2006-06-08

Preparation of nanometered gold catalyzer