ClassID:

84750

C01B21/22 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Nitrogen oxides; Oxyacids of nitrogen; Salts thereof Nitrous oxide (NO)

Recent Application in this class:
#1
20260108867
2026-04-23

CATALYST FOR REMOVING NITROUS OXIDE AND METHOD OF REMOVING NITROUS OXIDE

#2
20220409829
2022-12-29

ANTIVIRAL THAT DESTROYS DNA AND/OR RNA OF VIRUSES AND VIROIDS

#3
20220332581
2022-10-20

PROCESS AND REACTOR FOR CATALYTIC OXIDATION OF AMMONIA

#4
20210309520
2021-10-07

NITROUS OXIDE PURIFICATION METHOD

#5
20180352831
2018-12-13

Process for the manufacture of a frozen product

#6
20180015209
2018-01-18

Nitrite eluting devices and methods of use thereof

#7
20170275192
2017-09-28

Method for nitrogen removal from aqueous medium

#8
20170029273
2017-02-02

Nitrous oxide regenerable room temperature purifier and method

#9
20140366576
2014-12-18

Process for recovery and purification of nitrous oxide

#10
20140000456
2014-01-02

NITROUS OXIDE REGENERABLE ROOM TEMPERATURE PURIFIER AND METHOD

#11
20130299738
2013-11-14

NITROUS OXIDE-CONTAINING IONIC LIQUIDS AS CHEMICAL REAGENTS

#12
20130053585
2013-02-28

Gas separations with redox-active metal-organic frameworks

#13
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

#14
20120063982
2012-03-15

Process and device for decomposing laughing gas

#15
20120021312
2012-01-26

Method for obtaining dinitrogen oxide

#16
20120014855
2012-01-19

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

#17
20110207061
2011-08-25

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

#18
20110023713
2011-02-03

Process for purifying N2O

#19
20110023538
2011-02-03

Process for purifying dinitrogen monoxide

#20
20100272626
2010-10-28

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

#21
20100266469
2010-10-21

Removal of ammonia from fluids

#22
20100074966
2010-03-25

Gaseous Mixture Containing O2 and N2O For Preventing Or Reducing Hyperalgesia

#23
20100028231
2010-02-04

Synthesis and use of nanocrystalline zeolites

#24
20100018389
2010-01-28

Process for isolating NO

#25
20080274032
2008-11-06

Method for isolating NO

#26
20080255393
2008-10-16

Method for purifying and concentrating dinitrogen monoxide

#27
20070071666
2007-03-29

Synthesis and use of nanocrystalline zeolites

#28
17667308
2024-09-10

Transient NO decomposition process and reactor