ClassID:

92412

C07C209/36 - CPC Classification

Classification description:

Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst

Sub-classes:
Recent Application in this class:
#1
20250223263
2025-07-10

SELECTIVE INHIBITORS OF NLRP3 INFLAMMASOME

#2
20240336553
2024-10-10

GAS-LIQUID REACTION METHOD

#3
20240327326
2024-10-03

METHOD FOR PREPARING PT-BASED ALLOY / MOFS CATALYST WITH HIGH HYDROGENATION SELECTIVITY AND APPLICATION THEREOF

#4
20240317673
2024-09-26

PROCESS FOR PRODUCING ANILINE

#5
20240299923
2024-09-12

HYDROGENATION CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF

#6
20240294458
2024-09-05

CATALYTIC HYDROGENATION OF AROMATIC NITRO COMPOUNDS

#7
20240226858
2024-07-11

A CATALYTIC MATERIAL SUITABLE FOR HYDROGENATION REACTIONS COMPRISING NI, ONE OR MORE ADDITIONAL METALS M, AND A SPECIFIC OXIDIC SUPPORT MATERIAL

#8
20240157343
2024-05-16

METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS

#9
20240117149
2024-04-11

RUBBER - FORMING ADDITIVES FROM END OF LIFE TIRES THROUGH SYNGAS PRODUCTION

#10
20240066496
2024-02-29

Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions

#11
20230357125
2023-11-09

Process for Catalytic Reduction of Nitro Compounds to Amines

#12
20230277998
2023-09-07

Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions

#13
20230182120
2023-06-15

CATALYTIC MATERIAL COMPRISING Ni SUPPORTED ON AN OXIDIC SUPPORT COMPRISING Zr AND Si

#14
20230075418
2023-03-09

Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative

#15
20230025700
2023-01-26

METHOD FOR REACTIVATING A PRECIOUS METAL IRON CATALYST AND PERFORMING A CHEMICAL REACTION

#16
20220289662
2022-09-15

METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS

#17
20220280929
2022-09-08

Multi-sandwich composite catalyst and preparation method and application thereof

#18
20220177323
2022-06-09

Method for simultaneously preparing iron oxide red pigment and aromatic amine

#19
20220161237
2022-05-26

CATALYST SYSTEM FOR PRODUCING AROMATIC AMINES

#20
20220088564
2022-03-24

Metal supported powder catalyst matrix and processes for multiphase chemical reactions

#21
20220064125
2022-03-03

Processes

#22
20220048006
2022-02-17

Metal supported powder catalyst matrix and processes for multiphase chemical reactions

#23
20220017452
2022-01-20

Method of reducing aromatic nitro compounds

#24
20220006020
2022-01-06

Di-, tri- and tetraphenylindane derivates and their use in organic electronics

#25
20210387153
2021-12-16

Gas replacement process, gas replacement apparatus, and nitro compound hydrogenation reaction process

#26
20210379565
2021-12-09

PROCESSES FOR CARRYING OUT CHEMICAL REACTIONS IN FLUID PHASE IN THE PRESENCE OF FILMS COMPRISING CATALYST PARTICLES

#27
20210371371
2021-12-02

Double-trapezoid structural member, fluidized apparatus and nitro compound hydrogenation reaction process

#28
20210371370
2021-12-02

NITRO COMPOUND HYDROGENATION REACTION PROCESS AND HYDROGENATION REACTION APPARATUS

#29
20210355073
2021-11-18

COPPER NANOPARTICLE BASED CHEMOSELECTIVE REDUCTION

#30
20210121422
2021-04-29

Glucagon receptor antagonists

#31
20210087147
2021-03-25

Selective inhibitors of NLRP3 inflammasome

#32
20210031163
2021-02-04

Metal supported powder catalyst matrix and processes for multiphase chemical reactions

#33
20200270197
2020-08-27

Increasing the catalyst selectivity in the continuous hydrogenation of nitro compounds by adding ammonia

#34
20200246781
2020-08-06

Composite catalyst and preparation method therefor

#35
20200055027
2020-02-20

Activated carbon monolith catalyst, methods for making same, and uses thereof

#36
20190388883
2019-12-26

Multi-layered metal-carbon materials-based nanoarchitectures

#37
20190263728
2019-08-29

Polymer-supported transition catalyst

#38
20190233364
2019-08-01

Catalyst modification with alkali metal, alkaline earth metal or rare earth metal ions in the continuous liquid-phase hydrogenation of nitro compounds

#39
20190201871
2019-07-04

Activated carbon monolith catalyst, methods for making same, and uses thereof

#40
20190100486
2019-04-04

Method and catalyst for preparing aniline compounds and use thereof

#41
20190071393
2019-03-07

Octahydroanthracene compound, preparation method and application thereof

#42
20180305294
2018-10-25

Nanocomposite hollow sphere as a photocatalyst and methods thereof

#43
20180186732
2018-07-05

Method for producing 4-(trifluoromethylsulfonyl)phenol compound

#44
20180162801
2018-06-14

Methods of making cerium oxide polyaniline composite nanospheres and methods of use

#45
20170334819
2017-11-23

Mild catalytic reduction of C—O bonds and C═O bonds using a recyclable catalyst system

#46
20170283343
2017-10-05

Polymer-supported transition catalyst

#47
20170225151
2017-08-10

Activated carbon monolith catalyst, methods for making same, and uses thereof

#48
20170144963
2017-05-25

Method for producing toluenediamine

#49
20170128927
2017-05-11

METHOD FOR SELF-REGULATION OF A SYSTEM

#50
20170121271
2017-05-04

Multiphase reactor system

#51
20170101358
2017-04-13

Triphasic flow millireactors

#52
20170081308
2017-03-23

Synthesis of thiohydantoins

#53
20160367972
2016-12-22

Composite catalyst and preparation method therefor

#54
20160326093
2016-11-10

Hydrogenation reaction method

#55
20160244402
2016-08-25

Method for producing diaminotoluene

#56
20160102187
2016-04-14

Multifunctional porous aramids (aerogels), fabrication thereof, and catalytic compositions derived therefrom

#57
20160089657
2016-03-31

Catalysis by metal nanoparticles dispersed within a hierarchically porous carbon material

#58
20160060152
2016-03-03

Process for working up waste water from nitrobenzene preparation

#59
20160038917
2016-02-11

HYDROGENATION CATALYSTS

#60
20150361053
2015-12-17

2 amino-3,4-dihydrcquinazoline derivatives and the use thereof as cathepsin D inhibitors

#61
20150352488
2015-12-10

Method and apparatus for denenoxing waste gases from nitration

#62
20150315125
2015-11-05

Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire

#63
20150307538
2015-10-29

USE OF THERMALLY-TREATED SUPPORTED COBALT CATALYSTS COMPRISING A POLYCYCLIC AROMATIC STRUCTURE CONSISTING OF NITROGEN LIGANDS FOR HYROGENATING AROMATIC NITRO COMPOUNDS

#64
20150251988
2015-09-10

Promotion of imine formatin via cationic resin catalyst

#65
20150224484
2015-08-13

Inorganic nanoparticle deposited catalyst for hydrogenation and manufacturing method of the same, and hydrogenation for biomass derived hydrocarbon compounds

#66
20150191449
2015-07-09

Synthesis of thiohydantoins

#67
20150151279
2015-06-04

Gold cluster catalyst and method for producing same

#68
20150111976
2015-04-23

Multifunctional porous aramids (aerogels) and fabrication thereof

#69
20150087862
2015-03-26

Method for stopping a reaction during the production of aromatic amines from nitroaromatics

#70
20150080611
2015-03-19

Method for starting a reaction during the production of aromatic amines from nitroaromatics

#71
20150080610
2015-03-19

Process for the purification of aniline from gas phase hydrogenations

#72
20150045584
2015-02-12

Process for preparing 4-aminodiphenylamine

#73
20150038743
2015-02-05

Efficient continuous process for manufacturing of 4-aminodiphenylamine from aniline and nitrobenzene

#74
20150018548
2015-01-15

Process for producing N-methyl or N,N-dimethyl amines

#75
20140363369
2014-12-11

Process for producing hydrogen or heavy hydrogens, and hydrogenation (protiation, deuteration or tritiation) of organic compounds using same

#76
20140341783
2014-11-20

Optimized introduction of the starting materials for a process for preparing aromatic amines by hydrogenation of nitroaromatics

#77
20140309457
2014-10-16

Catalyst and method for producing aromatic amines in the gas phase

#78
20140206089
2014-07-24

Device and method for producing aromatic amines

#79
20140200370
2014-07-17

Apparatus and process for the continuous reaction of liquids with gases

#80
20140135528
2014-05-15

Method for producing DADPM

#81
20140128638
2014-05-08

Process for preparing aromatic amines

#82
20140107378
2014-04-17

Process for obtaining pure aniline

#83
20140107371
2014-04-17

Catalysis by metal nanoparticles dispersed within a hierarchically porous carbon material

#84
20130253083
2013-09-26

Polymer supported reagents and methods or reducing aromatic nitro compounds by using the same

#85
20130225821
2013-08-29

Synthesis of thiohydantoins

#86
20130211141
2013-08-15

Monitoring of the stoichiometric ratio in the reaction of nitroaromatics with hydrogen

#87
20130150623
2013-06-13

Process for producing hydrogen or heavy hydrogens, and hydrogenation (protiation, deuteration or tritiation) of organic compounds using same

#88
20130123540
2013-05-16

METHOD FOR PRODUCING 2,5-DIAMINOTOLUENE

#89
20130090445
2013-04-11

Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire

#90
20130079560
2013-03-28

Solid base catalyst and method for making and using the same

#91
20130066113
2013-03-14

Process for preparing alkylated p-phenylenediamines

#92
20130035511
2013-02-07

PROCESS FOR HYDROGENATING ORGANIC COMPOUNDS WITH HYDROGEN IN THE GAS PHASE IN THE PRESENCE OF A CATALYST

#93
20130006018
2013-01-03

Process for the conversion of aromatic nitro compound into amines

#94
20120289745
2012-11-15

Method for producing aromatic amines in the liquid phase

#95
20120264976
2012-10-18

Hydrogenation catalyst, process for its production and its use

#96
20120238779
2012-09-20

Optimized introduction of the starting materials for a process for preparing aromatic amines by hydrogenation of nitroaromatics

#97
20120215029
2012-08-23

Process for preparing aromatic amines

#98
20120202994
2012-08-09

Method for carrying out chemical reactions with the aid of an inductively heated heating medium

#99
20120197044
2012-08-02

PRODUCTION METHOD FOR 4,4'-BIS(ALKYLAMINO) DIPHENYLAMINE

#100
20120172632
2012-07-05

CONTINUOUS METHOD FOR THE HYDROGENATION OF AROMATIC COMPOUNDS

#101
20120172627
2012-07-05

Systems and methods for producing aromatic amines and removing phenol therefrom

#102
20120157714
2012-06-21

Method for preparation of 4,4′-dinitrodiphenylamine and 4,4′-bis(alkylamino)diphenylamine by using 4-nitroaniline

#103
20120157713
2012-06-21

Method for preparation of 4,4′-dinitrodiphenylamine and 4,4′-bis(alkylamino)diphenylamine with the base catalyst complex

#104
20120157709
2012-06-21

Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (MDI)

#105
20120078015
2012-03-29

Chemical installation

#106
20120065431
2012-03-15

Method for producing aromatic amines

#107
20120053367
2012-03-01

Process for preparing 4-aminodiphenylamine

#108
20110295039
2011-12-01

Process for preparing toluenediamine by hydrogenation of dinitrotoluene

#109
20110275858
2011-11-10

Method for producing toluylenediamine by hydrogenating dinitrotoluene

#110
20110130592
2011-06-02

Catalyst and process for hydrogenating organic compounds

#111
20110071290
2011-03-24

Process and catalyst

#112
20100280271
2010-11-04

PROCESS FOR THE PREPARATION OF AROMATIC AMINES

#113
20100249460
2010-09-30

Fast filtering powder catalytic mixtures

#114
20100249404
2010-09-30

Method for Carrying Out Chemical Reactions with the Aid of an Inductively Heated Heating Medium

#115
20100204518
2010-08-12

SINTERING RESISTANT CATALYST FOR USE IN HYDROGENATION AND DEHYDROGENATION REACTIONS AND METHODS FOR PRODUCING THE SAME

#116
20100204517
2010-08-12

Activated base metal catalysts

#117
20100190991
2010-07-29

Synthesis of thiohydantoins

#118
20100185026
2010-07-22

Activated base metal catalysts

#119
20100185011
2010-07-22

PROCESS FOR PREPARING MIXTURES OF DIPHENYL-METHANE DIISOCYANATES AND POLYPHENYL-POLYMETHYLENE POLYISOCYANATES

#120
20100174116
2010-07-08

Activated base metal catalysts

#121
20100160686
2010-06-24

Process for the preparation of monomers for polybenzimidazole materials

#122
20100160685
2010-06-24

Integrated process for the preparation of polybenzimidazole precursors

#123
20100160676
2010-06-24

Process for the preparation of monomers for polybenzimidazole materials

#124
20100160675
2010-06-24

Integrated process for the preparation of polybenzimidazole precursors

#125
20100145100
2010-06-10

PROCESS FOR THE PREPARATION OF AMINES

#126
20100130788
2010-05-27

METHOD FOR PRODUCING AMINES

#127
20100048955
2010-02-25

Process for preparing aromatic amines in a fluidized-bed reactor

#128
20100015019
2010-01-21

System and process for production of aniline and toluenediamine

#129
20100015012
2010-01-21

METHOD FOR PRODUCING AROMATIC AMINES OR ALIPHATIC AMINO ALCOHOLS

#130
20100004419
2010-01-07

High shear rotary fixed bed reactor

#131
20090326270
2009-12-31

Activated carbon monolith catalyst, methods for making same, and uses thereof

#132
20090124834
2009-05-14

Composite material composed of nanoparticles of transition metal and magnetic ferric oxide, a methode of preparing the same, and uses of the same

#133
20090093655
2009-04-09

METHOD AND DEVICE FOR PRODUCING AROMATIC AMINES BY HETEROGENEOUS CATALYZED HYDRATION

#134
20090048465
2009-02-19

Process for preparing 4-aminodiphenylamine

#135
20090023582
2009-01-22

CATALYST AND PROCESS FOR ITS MANUFACTURE

#136
20090018366
2009-01-15

PRODUCTION AND USE OF SUPPORTED ACTIVATED BASE METAL CATALYSTS FOR ORGANIC TRANSFORMATION

#137
20090005598
2009-01-01

System and process for the production of aniline and toluenediamine

#138
20080242537
2008-10-02

Method for producing amines with a catalyst containing platinum, nickel and an additional metal

#139
20080234518
2008-09-25

Process for producing aromatic amines

#140
20080227633
2008-09-18

Catalysts with high cobalt surface area

#141
20080214857
2008-09-04

Method Of Reducing A Functional Group In An Oxidized Form

#142
20080206129
2008-08-28

Methods for transforming compounds using a metal alloy and related apparatus

#143
20080179176
2008-07-31

Process for the preparation of aromatic amines

#144
20080177111
2008-07-24

Method for the production of amines

#145
20080176740
2008-07-24

Method for preparing catalysts supported on carbon nanotubes networks

#146
20080161610
2008-07-03

Process for the production of 2(2-aminophenyl)-bicylopropane derivatives

#147
20080146848
2008-06-19

Method for producing aromatic amines or aliphatic amino alcohols

#148
20080146847
2008-06-19

Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes

#149
20080145303
2008-06-19

Method for Producing Deuterium Gas and Catalytic Deuteration Method Using Deuterium Gas Obtained Thereby

#150
20080139850
2008-06-12

Process for removing compounds containing phenolic hydroxy groups from aromatic amines

#151
20080039657
2008-02-14

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

#152
20080039315
2008-02-14

Methods of preparing supported catalysts from metal loaded carbon nanotubes

#153
20080019901
2008-01-24

Method of making NiO and Ni nanostructures

#154
20070287857
2007-12-13

Process for the production of toluene diisocyanate

#155
20070232832
2007-10-04

Process for preparing 4-aminodiphenylamine

#156
20070227675
2007-10-04

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

#157
20070209924
2007-09-13

Method and apparatus for conducting microwave assisted organic reactions with gas-phase reactants

#158
20070203364
2007-08-30

Process for preparing aniline

#159
20070191641
2007-08-16

Process for preparing 4-aminodiphenylamine intermediates

#160
20070161834
2007-07-12

Method of catalytic reaction using micro-reactor

#161
20070149814
2007-06-28

Method for the production of amines

#162
20070015940
2007-01-18

Process for the preparation of toluenediamine

#163
20060258887
2006-11-16

Method for preparing 4-aminodiphenylamine

#164
20060247473
2006-11-02

Process for preparing 4-aminodiphenylamine

#165
20060229476
2006-10-12

Activated carbon monolith catalyst, methods for making same, and uses thereof

#166
20060183938
2006-08-17

Process for the production of di- and polyamines of the diphenylmethane series

#167
20060142149
2006-06-29

Method for preparing supported catalysts from metal loaded carbon nanotubes

#168
20060142148
2006-06-29

Methods for preparing catalysts supported on carbon nanotube networks

#169
20060104873
2006-05-18

Catalyst holder and agitation system for converting stirred tank reactor to fixed bed reactor

#170
20060100463
2006-05-11

Selective hydrogenation of nitrogen containing aromatics

#171
20060100462
2006-05-11

Metallic hydrogenation catalysts, production and use thereof

#172
20050266987
2005-12-01

Catalysts with high cobalt surface area

#173
20050245766
2005-11-03

Nickel catalyst, process for the preparation thereof, process for hydrogenation of m-dinitro benzene to m-phenylene diamine

#174
20050240058
2005-10-27

Process for preparing 4-aminodiphenylamine

#175
20050215823
2005-09-29

Catalytic process for the production of 3,3′, 4,4′-tetraminobiphenyl

#176
20050177003
2005-08-11

Method for the production of amines

#177
20050129594
2005-06-16

Monolith catalytic reactor coupled to static mixer

#178
20050119505
2005-06-02

Method for the production of amines

#179
20050113557
2005-05-26

Process for the preparation of diamines and polyamines of the diphenylmethane series

#180
20050107251
2005-05-19

Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds

#181
20050081443
2005-04-21

Catalyst composition

#182
20050080293
2005-04-14

Process for the production of aromatic amines by heterogeneously catalysed hydrogenation

#183
20050070740
2005-03-31

Nickel catalyst, process for the preparation thereof, process for hydrogenation of m-dinitro benzene to m-phenylene diamine

#184
20050065376
2005-03-24

Process for preparing 4-aminodiphenylamine

#185
20050065025
2005-03-24

Catalysts with high cobalt surface area

#186
20050038295
2005-02-17

Metal modified PD/NI catalysts

#187
19204700
2025-08-05

Self-sensitizing negative polyimide precursor and method for preparing the same, and use thereof

#188
18103860
2024-07-02

Bis(aniline) compounds containing multiple substituents with carbon-carbon triple-bonded groups

#189
17207631
2023-03-21

Bis(aniline) compounds containing multiple substituents with carbon-carbon triple-bonded groups

#190
10483245
2014-09-09

Microencapsulated catalyst methods of preparation and method of use thereof