ClassID:

84643

C01B21/02 - CPC Classification

Classification description:

Nitrogen; Compounds thereof Preparation of nitrogen

Recent Application in this class:
#1
20260078002
2026-03-19

METHOD & APPARATUS FOR Solar Nitrogen Fixation Container Farms

#2
20260002496
2026-01-01

CATALYTIC DECOMPOSITION REACTORS

#3
20250387779
2025-12-25

METHOD FOR AMMONIA DECOMPOSITION USING CARBON MATERIAL SUPPORTED METAL CATALYST

#4
20250382914
2025-12-18

TURBOMACHINE COOLING AND ALTERNATIVE FUEL SUPPLY

#5
20250360492
2025-11-27

PHOTOCATALYST INCLUDING TiO2-x SELF-DOPED WITH Ti3+ AND METHOD FOR DECOMPOSING NO USING THE SAME

#6
20250346489
2025-11-13

THERMALLY DRIVEN NITROGEN AND AMMONIA PRODUCTION

#7
20250326641
2025-10-23

SELECTIVE TREATMENT OF NITRATE FOR BRINE REGENERATION

#8
20250296839
2025-09-25

GENERATION OF OXYGEN FROM ACTIVATED ALUMINUM AND INORGANIC ACIDS

#9
20250283595
2025-09-11

POLYGENERATION SCHEME WITH ZERO CARBON EMISSION

#10
20250223162
2025-07-10

NITROGEN OXIDE DECOMPOSITION CATALYST, CATALYTIC REACTION SYSTEM INCLUDING SAME, AND AIR PURIFICATION DEVICE

#11
20240300812
2024-09-12

REACTOR WITH SUSTAINABLE POWER GENERATION

#12
20230374385
2023-11-23

CONTROLLED REACTION RATES OF THERMOCHEMICAL FLUIDS USING EMULSIONS

#13
20230271843
2023-08-31

CHA-TYPE ZEOLITE AND METHOD FOR PRODUCING THE SAME

#14
20230193857
2023-06-22

CATALYTIC DECOMPOSITION REACTORS

#15
20230191351
2023-06-22

CATALYTIC DECOMPOSITION REACTORS

#16
20230014161
2023-01-19

METAL-METAL BONDED AMMONIA OXIDATION CATALYSTS

#17
20220234029
2022-07-28

ACTIVATED METAL LOW TEMPERATURE REACTION PROCESSES AND PRODUCTS

#18
20220194794
2022-06-23

Process for managing hydrogen sulfide in a refinery

#19
20220126280
2022-04-28

REGENERATED DENITRATION CATALYST AND METHOD FOR MANUFACTURING THE SAME, AND DENITRATION APPARATUS

#20
20220120237
2022-04-21

Variable three dimensional convergent-divergent nozzle

#21
20220119256
2022-04-21

NITROUS DECOMPOSITION WITHOUT CATALYST

#22
20220112083
2022-04-14

Method to convert excess liquid oxygen into liquid nitrogen

#23
20210308620
2021-10-07

Carbon, nitrogen and oxygen separator and method of use thereof

#24
20210238047
2021-08-05

Conversion of ammonium nitrate into useful products

#25
20210188636
2021-06-24

THERMALLY DRIVEN NITROGEN AND AMMONIA PRODUCTION

#26
20210121861
2021-04-29

Metal-metal bonded ammonia oxidation catalysts

#27
20210023541
2021-01-28

Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect

#28
20200206722
2020-07-02

Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect

#29
20200030861
2020-01-30

Apparatus to recycle plastics, electronics, munitions or propellants using a metal reactant alloy composition

#30
20190210002
2019-07-11

Porous material for storing of molecules and its use

#31
20180223769
2018-08-09

Catalytic N2O Pilot Ignition System for Upper Stage Scramjets

#32
20180127660
2018-05-10

Nitrogen extraction from a gaseous carbon dioxide reactant stream

#33
20180118576
2018-05-03

Thermochemical gas reduction process using poly-cation oxide

#34
20180050372
2018-02-22

METHOD TO RECYCLE PLASTICS, ELECTRONICS, MUNITIONS OR PROPELLANTS USING A METAL REACTANT ALLOY COMPOSITION

#35
20180043339
2018-02-15

Carbon nanotube-coated catalyst particle

#36
20170326603
2017-11-16

Method to recycle plastics, electronics, munitions or propellants using a metal reactant alloy composition

#37
20170275192
2017-09-28

Method for nitrogen removal from aqueous medium

#38
20170275186
2017-09-28

Ammonia sequestering system

#39
20170197178
2017-07-13

Reducing the emission of nitrogen oxide when starting up systems for producing nitric acid

#40
20170162349
2017-06-08

SELF-BLAST CIRCUIT BREAKER USING THE TWO-PHASE STATE OF A GAS TO IMPROVE THE CUT-OFF PROPERTIES

#41
20170080405
2017-03-23

Activated metal low temperature reaction processes and products

#42
20160377028
2016-12-29

CATALYTIC N2O PILOT IGNITION SYSTEM FOR UPPER STAGE SCRAMJETS

#43
20160030926
2016-02-04

Compositions of Matter Comprising Nanocatalyst Structures, Systems Comprising Nanocatalyst Structures, and Related Methods

#44
20140360485
2014-12-11

MODIFIED STEAM-METHANE-REFORMATION TECHNIQUE FOR HYDROGEN PRODUCTION

#45
20140287911
2014-09-25

Copper-based catalyst for converting ammonia into nitrogen

#46
20140127092
2014-05-08

Portable gas generating device

#47
20130133662
2013-05-30

Nitrous oxide system for producing breathing air

#48
20120323714
2012-12-20

Modified steam-methane-reformation: Hydrogen production with carbon sequestration

#49
20120309071
2012-12-06

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide including phosphorus recovery and nitrite reduction to nitrous oxide

#50
20120128569
2012-05-24

DESTRUCTION OF AMMONIUM IONS

#51
20120063982
2012-03-15

Process and device for decomposing laughing gas

#52
20120014855
2012-01-19

Apparatus and process for decomposing dinitrogen monoxide in an adiabatic fixed bed reactor

#53
20110207061
2011-08-25

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide

#54
20110158877
2011-06-30

Method for the decomposition of NO, catalyst for it, and the preparation of this catalyst

#55
20100284888
2010-11-11

Formulation for generating nitrogen gas

#56
20100272626
2010-10-28

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide

#57
20100266469
2010-10-21

Removal of ammonia from fluids

#58
20100037598
2010-02-18

Method for providing ammonia for the selective catalytic reduction of nitrogen oxides and corresponding device

#59
20100028231
2010-02-04

Synthesis and use of nanocrystalline zeolites

#60
20090148352
2009-06-11

Portable gas generating device

#61
20080110744
2008-05-15

Method for the Preparation of a Gas or Mixture of Gases Containing Molecular Fluorine

#62
20080003163
2008-01-03

System and method for ammonia production

#63
20070274891
2007-11-29

Purification of a mixture of H/CO by catalysis of the NOx

#64
20070071666
2007-03-29

Synthesis and use of nanocrystalline zeolites

#65
20050240069
2005-10-27

Process of converting ethylbenzene to styrene using a graphite nanocatalysts

#66
20050163698
2005-07-28

Novel graphite nanocatalysts

#67
17220350
2021-11-30

Cu, Fe and Mn oxide intercalated SiOpillared magadiite and ilerite catalysts for nitrogen monoxide (NO) decomposition

#68
16375800
2020-01-21

Sorbents for capturing acid and greenhouse gases