ClassID:

84766

C01B21/48 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Nitrogen oxides; Oxyacids of nitrogen; Salts thereof Methods for the preparation of nitrates in general

Recent Application in this class:
#1
20240190706
2024-06-13

Methods for Oxidizing a Nitrogen Oxide to Nitrate

#2
20210252449
2021-08-19

Utilization of nitrogen oxides from ambient air

#3
20200198970
2020-06-25

Utilization of pollutants from internal combustion engines

#4
20180093261
2018-04-05

Process for preparing an iron-chromium catalyst with a platinum promoter, and catalyst consisting of iron chromium with a platinum promoter

#5
20170283674
2017-10-05

Process for preparation of homogeneous mixture for thermal storage and heat transfer applications

#6
20170189897
2017-07-06

Catalyst manufacturing method

#7
20150329370
2015-11-19

Recovery of bromide from sulfate comprising aqueous streams

#8
20140186254
2014-07-03

Nitrogen fixation by titanium dioxide

#9
20130171053
2013-07-04

METHOD FOR CONVERTING NITROGEN (N2) INTO AMMONIA AND/OR NITRATE

#10
20130149229
2013-06-13

NITROGEN FIXATION BY TITANIUM DIOXIDE

#11
20100326574
2010-12-30

Basic metal nitrate, process for producing the same and gas generating agent composition

#12
20100117247
2010-05-13

Apparatus for producing nitrate granules

#13
20090247391
2009-10-01

NITROGEN FIXATION BY TITANIUM DIOXIDE

#14
20090155318
2009-06-18

PROCESS TO FORM NANO-SIZED MATERIALS, THE COMPOSITIONS AND USES THEREOF

#15
20090101250
2009-04-23

BASIC METAL NITRATE, PROCESS FOR PRODUCING THE SAME AND GAS GENERATING AGENT COMPOSITION

#16
20090095041
2009-04-16

METHOD AND APPARATUS USING FOAMED GLASS FILTERS FOR LIQUID PURIFICATION, FILTRATION, AND FILTRATE REMOVAL AND ELIMINATION

#17
20080190525
2008-08-14

Inorganic nitrate-hydrogen peroxide adducts and methods for their preparation

#18
20070119530
2007-05-31

Basic metal nitrate, process for producing the same and gas generating agent composition

#19
20060123602
2006-06-15

Apparatus for producing nitrate granules

#20
20060013755
2006-01-19

Method for production of nitrate-containing products from undercooling melts