ClassID:

84761

C01B21/38 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Nitrogen oxides; Oxyacids of nitrogen; Salts thereof Nitric acid

Sub-classes:
Recent Application in this class:
#1
20260084110
2026-03-26

METHOD FOR REDUCING NOX IN A NITRIC ACID PLANT DURING TRANSITORY EVENTS

#2
20260070800
2026-03-12

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#3
20260022023
2026-01-22

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#4
20260015247
2026-01-15

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#5
20250382173
2025-12-18

COMPROPORTIONATION-BASED AUTOCATALYTIC CYCLES AND RELATED METHODS

#6
20250381546
2025-12-18

CHEMICAL CONVERSION DEVICE

#7
20250368511
2025-12-04

METHOD FOR OPERATING A NITRIC ACID PLANT AND NITRIC ACID PLANT

#8
20240409425
2024-12-12

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#9
20240360809
2024-10-31

System, vehicle and method for lubricating a hydrogen injector in a vehicle

#10
20240359982
2024-10-31

INTEGRATED PROCESS FOR THE SYNTHESIS OF AMMONIA AND NITRIC ACID

#11
20240336481
2024-10-10

DUAL PRESSURE SYSTEM FOR PRODUCING NITRIC ACID AND METHOD OF OPERATING THEREOF

#12
20240308850
2024-09-19

INTEGRATED ENERGY SYSTEMS FOR ENERGY PRODUCTION AND GREEN INDUSTRIAL APPLICATIONS, SUCH AS THE PRODUCTION OF NITRIC ACID

#13
20240299889
2024-09-12

AMMONIA MIXING SYSTEM AND USE THEREOF

#14
20240246819
2024-07-25

PROCESS FOR PRODUCTION OF NITRIC ACID PROVIDED WITH A SECONDARY ABATEMENT TREATMENT

#15
20230182104
2023-06-15

Systems and Methods for Nitrogen Fixation

#16
20230126050
2023-04-27

DURABLE AND SERVICEABLE PLASMA REACTOR FOR FERTILIZER PRODUCTION

#17
20230064758
2023-03-02

SYNTHESIS OF PLASMA GENERATING - CHEMICAL LOOPING CATALYSTS

#18
20230038954
2023-02-09

PROCESS AND PLANT FOR PREPARING NITRIC ACID

#19
20230022002
2023-01-26

IONIC SALT, RADIATION-SENSITIVE RESIST COMPOSITION COMPRISING THE SAME, AND METHOD OF FORMING PATTERN USING THE SAME

#20
20220349096
2022-11-03

Knitting of precious metal networks and a method using same

#21
20220323947
2022-10-13

KNITTING OF NOBLE METAL NETS USING IGNOBLE MATERIALS AT THE EDGE, NOBLE METAL NET PRODUCED IN THIS WAY AND A METHOD FOR USING THE NOBLE METAL NET

#22
20220080396
2022-03-17

Catalyst system and method for the catalytic combustion of ammonia to form nitrogen oxides in a medium-pressure system

#23
20200307999
2020-10-01

Process for preparation of nitrogen oxides and nitric acid from nitrous oxide

#24
20190359486
2019-11-28

Method for oxidizing ammonia and system suitable therefor

#25
20190169029
2019-06-06

Process for preparation of nitrogen oxides and nitric acid from nitrous oxide

#26
20190134559
2019-05-09

PROCESS AND APPARATUS FOR PRODUCING A PRODUCT GAS STREAM

#27
20190062231
2019-02-28

Apparatus and methods for fertilizer production

#28
20190039892
2019-02-07

Reactor for oxidation of ammonia in the production of nitric acid

#29
20180305210
2018-10-25

Modular catalyst monoliths

#30
20180105419
2018-04-19

Process and plant for preparing nitric acid

#31
20180037975
2018-02-08

Methods for synthesizing high purity niobium or rhenium powders

#32
20180009723
2018-01-11

Explosive composition and method of delivery

#33
20180009661
2018-01-11

Energy storage transportation method and energy carrier system

#34
20170342449
2017-11-30

Production system and method of production for product selected from nitrogen-containing product and fermented and cultured product

#35
20170334722
2017-11-23

Method for removing NO and NOfrom the nitric acid production process, and an installation suitable for same

#36
20170283979
2017-10-05

Electrolytic stripping agent for jig

#37
20170227129
2017-08-10

INSTALLATION FOR PRODUCING NITRIC ACID WITH A SEALING DEVICE FOR SEALING A ROTATABLE SHAFT OF A NO COMPRESSOR AND/OR OF A RESIDUAL GAS EXPANDER

#38
20160200575
2016-07-14

Basket-like device having wall insulation

#39
20160039674
2016-02-11

Method for oxidizing ammonia and system suitable therefor

#40
20150353356
2015-12-10

Ammonia oxidation catalyst for the production of nitric acid based on metal doped yttrium ortho cobaltate

#41
20150004091
2015-01-01

Process and apparatus for preparation of nitric acid

#42
20140377157
2014-12-25

Method and device for producing nitric acid

#43
20140227160
2014-08-14

MATERIAL AND METHOD FOR SEALING OFF CAVITIES

#44
20140186254
2014-07-03

Nitrogen fixation by titanium dioxide

#45
20140134057
2014-05-15

Chemical production system

#46
20130336872
2013-12-19

Method for removing NO and NOfrom the nitric acid production process, and an installation suitable for same

#47
20130294998
2013-11-07

Process for producing nitric acid

#48
20120251429
2012-10-04

Systems and methods of producing chemical compounds

#49
20120009107
2012-01-12

Sorbent use with oxyfuel sour compression

#50
20110194970
2011-08-11

Production of nanocrystalline metal powders via combustion reaction synthesis

#51
20100080747
2010-04-01

Purifying carbon dioxide and producing acid

#52
20100080745
2010-04-01

Multi-stage process for purifying carbon dioxide and producing acid

#53
20090247391
2009-10-01

NITROGEN FIXATION BY TITANIUM DIOXIDE

#54
20080216478
2008-09-11

INTEGRATION OF A WATER-SPLITTING PROCESS WITH PRODUCTION OF FERTILIZER PRECURSORS

#55
20080025910
2008-01-31

Process to make both nitric and sulfuric acid

#56
20050255019
2005-11-17

Emission control system