C01B21/26 - CPC Classification Index

ClassID:

84752 ⎘

C01B21/26 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Nitrogen oxides; Oxyacids of nitrogen; Salts thereof; Nitric oxide (NO) Preparation by catalytic or non-catalytic oxidation of ammonia

Sub-classes:

C01B21/262 » {obtaining nitrogen dioxide or tetroxide} 5
C01B21/265 » {characterised by the catalyst} 46
C01B21/267 » {Means for preventing deterioration or loss of catalyst or for recovering lost catalyst} 11
C01B21/28 » Apparatus 48

Recent Application in this class:

20210300759

2021-09-30

High energy recovery nitric acid process using liquid oxygen containing fluid

20210171348

2021-06-10

Method for the catalytic oxidation of ammonia gas

20200346178

2020-11-05

DUAL GRID CATALYST BASKET AND METHOD OF INDEPENDENTLY SUPPORTING PRIMARY AND SECONDARY CATALYSTS

20200289982

2020-09-17

Process for the production of nitric acid with tertiary abatement of N2O and NOx

20200131039

2020-04-30

Plant and process for producing nitric acid

20200123006

2020-04-23

Autothermal ammonia cracking process

20190337804

2019-11-07

Method and plant for producing nitric acid

20190284052

2019-09-19

Process for nitric acid production

20190039892

2019-02-07

Reactor for oxidation of ammonia in the production of nitric acid

#10

20180305210

2018-10-25

Modular catalyst monoliths

#11

20170239635

2017-08-24

Dual grid catalyst basket and method of independently supporting primary and secondary catalysts

#12

20150203360

2015-07-23

Process for producing ammonium nitrate

#13

20150098881

2015-04-09

Process for reducing the nitrogen oxide off-gas concentration in a nitric acid plant during shut-down and/or start-up, and nitric acid plant suitable therefor

#14