ClassID:

85421

C01C1/086 - CPC Classification

Classification description:

Ammonia; Compounds thereof; Preparation, purification or separation of ammonia; Preparation of ammonia from nitrogenous organic substances from urea

Recent Application in this class:
#1
20210095318
2021-04-01

Methods for reducing condensation

#2
20200024227
2020-01-23

Integrated process for production of glycerol carbonate (4-hydroxymethyl-2-oxo-1, 3-dioxolane) and urea

#3
20190292064
2019-09-26

USE OF A UREA COMPOSITION TO PRODUCE DIESEL EXHAUST FLUID (AUS 32)

#4
20180226668
2018-08-09

VEHICLE SYSTEM COMPRISING A FUEL CELL

#5
20180195426
2018-07-12

Ammonia sensor calibration method

#6
20180194639
2018-07-12

Controlled, compact, on-demand ammonia gas generation process and apparatus

#7
20170204767
2017-07-20

AMMONIA PRECURSOR GENERATING SYSTEM FOR USE IN A VEHICLE

#8
20160251765
2016-09-01

Electrochemical cell containing a graphene coated electrode

#9
20160250592
2016-09-01

Ammonia generation apparatus and ammonia generation control apparatus

#10
20160074839
2016-03-17

Urea hydrolysis reactor for selective catalytic reduction

#11
20150353370
2015-12-10

Urea to ammonia process

#12
20150315033
2015-11-05

Ammonia gas generator, method for producing ammonia and use of the same for reducing nitrogen oxides in exhaust gases

#13
20150314238
2015-11-05

Ammonia gas generator and use of the same for reducing nitrogen oxides in exhaust gases

#14
20150118132
2015-04-30

Method and system for purifying the exhaust gases of a combustion engine

#15
20140255289
2014-09-11

System and method to gasify aqueous urea into ammonia vapors using secondary flue gases

#16
20140150410
2014-06-05

Ammonia gas generator for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#17
20140147356
2014-05-29

Ammonia gas generator and method for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#18
20140127100
2014-05-08

Method for the production of ammonia from an ammonia precursor substance in order to reduce nitrogen oxides in exhaust gases

#19
20130287669
2013-10-31

Ammonia gas generation from urea for low temperature process requirements

#20
20120288952
2012-11-15

Diagnostic tool and process for assessing thermal urea gasification performance

#21
20120184038
2012-07-19

Tagging system and method

#22
20120110986
2012-05-10

Device for evaporating a urea-water solution, method for operating the device and motor vehicle

#23
20120045378
2012-02-23

Method and devices for heating urea-containing materials in vehicle emission control system

#24
20110133127
2011-06-09

SYSTEM AND METHOD TO GASIFY AQUEOUS UREA INTO AMMONIA VAPORS USING SECONDARY FLUE GASES

#25
20110110841
2011-05-12

METHOD AND APPARATUS FOR PRODUCING AMMONIUM CARBONATE FROM UREA

#26
20110076222
2011-03-31

Process to produce ammonia from urea

#27
20110033360
2011-02-10

METHOD OF OPERATING HYDROLYTIC SEPARATOR

#28
20100092162
2010-04-15

Evaporator device for mobile anhydrous ammonia production, motor vehicle and method for producing such an evaporator device

#29
20100015029
2010-01-21

Conversion of urea to reactants for NOreduction

#30
20090297417
2009-12-03

Selective catalytic NOreduction process and apparatus providing improved gassification of urea to form ammonia-containing gas

#31
20090199550
2009-08-13

Catalytic converter assembly in an exhaust gas posttreatment system

#32
20090148370
2009-06-11

Process to produce ammonia from urea

#33
20090145114
2009-06-11

EXHAUST EMISSION CONTROL DEVICE

#34
20090127511
2009-05-21

Method and device for providing a gaseous substance mixture

#35
20090120079
2009-05-14

EXHAUST GAS TREATMENT

#36
20090107116
2009-04-30

EXHAUST GAS TREATMENT

#37
20090031713
2009-02-05

ANTIFREEZING UREA SOLUTION FOR UREA SCR SYSTEM AND UREA SCR SYSTEM USING THE SAME

#38
20080314027
2008-12-25

Exhaust Gas Treatment

#39
20080279732
2008-11-13

Exhaust as Treatment

#40
20080267837
2008-10-30

Conversion of urea to reactants for NOx reduction

#41
20080260597
2008-10-23

Reducing gas generator and solid reductant SCR system having the generator

#42
20080233654
2008-09-25

Tagging system

#43
20070212287
2007-09-13

Method for the treatment of combustion flue gas

#44
20050260108
2005-11-24

On-site generation, purification, and distribution of ultra-pure anhydrous ammonia

#45
20050207961
2005-09-22

Process and apparatus for quantitatively converting urea to ammonia on demand

#46
15861208
2019-08-13

Dosing method and apparatus for reductant urea solutions with catalyst precursors to assist selective catalytic reduction

#47
15843401
2019-04-23

Treatment of reductant urea solutions with catalyst precursors to assist selective catalytic reduction