ClassID:

92438

C07C209/86 - CPC Classification

Classification description:

Preparation of compounds containing amino groups bound to a carbon skeleton; Purification; Separation; Stabilisation; Use of additives Separation

Sub-classes:
Recent Application in this class:
#1
20260028306
2026-01-29

PROCESS FOR PRODUCING METHYLENEBIS(CYCLOHEXYLAMINE)

#2
20260028305
2026-01-29

PROCESS FOR CONTINUOUS CATALYTIC HYDROGENATION OF MDA

#3
20260028304
2026-01-29

PROCESS FOR CONTINUOUS CATALYTIC HYDROGENATION OF MDA

#4
20260002011
2026-01-01

SOLVENT REMOVAL IN A PROCESS FOR RECYCLING ONE OR MORE POLYMERS, SUCH AS POLYURETHANES, CONTAINED IN A SOLID MATERIAL

#5
20250376434
2025-12-11

METHOD FOR MANUFACTURE OF ETHYLENEAMINES

#6
20250320176
2025-10-16

METHOD AND SYSTEM FOR PREPARING DIPHENYLAMINE AND PHENOTHIAZINE FROM ANILINE

#7
20250304525
2025-10-02

METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE

#8
20250289779
2025-09-18

HIGH PURITY ETHYLENEDIAMINE FOR SEMICONDUCTOR APPLICATIONS

#9
20250257189
2025-08-14

PROCESS FOR DEPOLYMERIZING POLYURETHANE

#10
20250197339
2025-06-19

METHOD FOR RECOVERING IONIC LIQUID

#11
20250197312
2025-06-19

METHOD FOR RECOVERING IONIC LIQUID

#12
20240425448
2024-12-26

METHOD FOR PRODUCING ISOCYANATE COMPOUND, METHOD FOR PRODUCING CARBAMATE COMPOUND, METHOD FOR RECOVERING AMINE COMPOUND, AND ISOCYANATE COMPOSITION

#13
20240409502
2024-12-12

METHODS FOR PRODUCING (POLY)DIAMINODIPHENYLMETHANE AND (POLY)DIPHENYLMETHANE DIISOCYANATE

#14
20240409492
2024-12-12

METHOD FOR CLEAVING (POLY)URETHANES

#15
20240382870
2024-11-21

Method of fluid circulation and interaction in a setup for implementing a multi-step chemical process

#16
20240343674
2024-10-17

Obtaining Aliphatic Amines from Compositions

#17
20240317674
2024-09-26

HYDROGENATION OF AROMATIC AMINES FROM PU DECOMPOSITION PROCESSES

#18
20240287742
2024-08-29

MEMBRANE SEPARATION PROCESS FOR VINYLAMINE-CONTAINING POLYMERS

#19
20240279155
2024-08-22

METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE

#20
20240262772
2024-08-08

A SOLVENT DRYING SOLUTION AND PROCESSES THERFOR

#21
20240228427
2024-07-11

PROCESS FOR PREPARING TRIALKYLAMMONIUM DIHYDROGEN PHOSPHATES

#22
20240017999
2024-01-18

Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide

#23
20240009591
2024-01-11

DISTILLATION UNIT AND METHOD FOR SEPARATING A LIQUID SUBSTANCE MIXTURE INTO TWO TO SIX LIQUID PRODUCT FLOWS WITH DIFFERENT COMPOSITIONS

#24
20230265043
2023-08-24

CRYSTALLINE FORM OF PHENTERMINE HYDROCHLORIDE AND PROCESS FOR OBTAINING SAME

#25
20230167049
2023-06-01

MEMBRANE SEPARATION PROCESS FOR SEPARATING CARBONATE-CONTAINING DIAMINOALKANE SOLUTION

#26
20230159432
2023-05-25

Process for preparing trialkylammonium dihydrogen phosphates

#27
20230139979
2023-05-04

Organic amine collection method

#28
20230062431
2023-03-02

Preparation method of 4-(heptafluoro-2-propyl)-2-trifluoromethylaniline and application thereof

#29
20230025700
2023-01-26

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

#30
20230008827
2023-01-12

SEPARATION OF N-METHYLETHYLENEDIAMINE FROM EDA-CONTAINING MIXTURES

#31
20220402859
2022-12-22

Organic photodetector and electronic device including the same

#32
20220162153
2022-05-26

Process for making levoamphetamine

#33
20220153682
2022-05-19

METHOD FOR PRODUCING XYLYLENEDIAMINE

#34
20220144751
2022-05-12

Ketamine flow synthesis

#35
20220024853
2022-01-27

Process for manufacturing ethyleneamine compounds

#36
20210323907
2021-10-21

High purity ethylenediamine for semiconductor applications

#37
20210155573
2021-05-27

Organic amine collection method

#38
20210002205
2021-01-07

PROCESS FOR THE SEPARATION OF ALKANOLAMINE FROM A MIXTURE COMPRISING AN ALIPHATIC PRIMARY DIAMINE

#39
20210002153
2021-01-07

Processes for regeneration of organocations

#40
20200361851
2020-11-19

Reactive separation process to convert cyclic alkylene ureas into their corresponding alkylene amines

#41
20200308098
2020-10-01

Separation of n-methylethylenediamine from EDA-containing mixtures

#42
20200299224
2020-09-24

Ketamine flow synthesis

#43
20200223785
2020-07-16

Process to convert the cyclic monourea of an ethylene amine compound into the ethylene amine compound

#44
20200165187
2020-05-28

Multi-step process for converting cyclic alkyleneureas into their corresponding alkyleneamines

#45
20200157041
2020-05-21

Process for the separation of long chain amino acids and dibasic acids

#46
20200123096
2020-04-23

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

#47
20200108331
2020-04-09

Systems and methods for recovering amines and their derivatives from aqueous mixtures

#48
20190338195
2019-11-07

Processes for recovering valuable components from a catalytic fast pyrolysis process

#49
20190256451
2019-08-22

DISCRIMINATION OF CIS- AND TRANS-1,3-DIAMINOCYCLOHEXANES

#50
20190247766
2019-08-15

Thermally integrated distillation systems and processes using the same

#51
20190241501
2019-08-08

Process for hydrogenating toluenediamine (TDA) tar

#52
20190055186
2019-02-21

Method for extracting 1,5-pentanediamine from solution system containing 1,5-pentanediamine salt

#53
20190010116
2019-01-10

Process for the separation of long chain amino acids and dibasic acids

#54
20190009268
2019-01-10

Process for stripping carbamate from ion exchange resin

#55
20190002397
2019-01-03

Process for the separation of long chain amino acids and dibasic acids

#56
20190002396
2019-01-03

Process for the separation of long chain amino acids and dibasic acids

#57
20180369759
2018-12-27

Process for the separation of organic compounds

#58
20180304173
2018-10-25

PROCESS FOR PHASE SEPARATION OR EXTRACTION AND DEVICE SUITABLE THEREFOR

#59
20180282169
2018-10-04

SILICA SYNTHESIS

#60
20180207631
2018-07-26

MATERIALS AND METHODS FOR THE SELECTIVE RECOVERY OF MULTIVALENT PRODUCTS

#61
20180201556
2018-07-19

Zeolite adsorbents, preparation process therefor and uses thereof

#62
20180201555
2018-07-19

Zeolite adsorbents, preparation process therefor and uses thereof

#63
20180161754
2018-06-14

Zeolitic adsorbents with large external surface area, process for preparing them and uses thereof

#64
20180155272
2018-06-07

Process for recovering aminoalcohols and glycols from aqueous streams of taurine production

#65
20180127351
2018-05-10

Method for purifying 1,4-diaminobutane

#66
20180111892
2018-04-26

Materials and methods for the selective recovery of multivalent products

#67
20180094197
2018-04-05

Processes for recovering valuable components from a catalytic fast pyrolysis process

#68
20180093200
2018-04-05

Process for separation of diamines and/or omega-aminoacids from a feed mixture

#69
20180065061
2018-03-08

Thermally integrated distillation systems and processes using the same

#70
20180022691
2018-01-25

High Purity Ethylenediamine for Semiconductor Applications

#71
20170260115
2017-09-14

Method for producing cis- and trans-enriched MDACH

#72
20170204049
2017-07-20

METHOD FOR PRODUCING BIS (AMINOMETHYL) CYCLOHEXANE

#73
20170137367
2017-05-18

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

#74
20170121273
2017-05-04

Preparation of cadaverine

#75
20170121272
2017-05-04

Method for producing azido-amine derivative

#76
20160326092
2016-11-10

METHOD FOR PRODUCING HEXAMETHYLENEDIAMINE

#77
20160297746
2016-10-13

Process for separation of diamines and/or omega-aminoacids from a feed fixture

#78
20160296926
2016-10-13

Materials and methods for the selective recovery of multivalent products

#79
20160229792
2016-08-11

METHOD FOR PRODUCING BIS (AMINOMETHYL) CYCLOHEXANE

#80
20160207877
2016-07-21

Isomerization method for bis (aminomethyl) cyclohexane

#81
20160207025
2016-07-21

Zeolitic adsorbents with large external surface area, process for preparing them and uses thereof

#82
20160184733
2016-06-30

METHOD FOR SEPARATION OF A MOLECULAR SPECIES BY SUBLIMATION

#83
20160168075
2016-06-16

Method for producing 1,5-pentanediamine

#84
20160068475
2016-03-10

Method for producing diamines and polyamines of the diphenylmethane series

#85
20160009633
2016-01-14

Process for preparing EDA using SO-free hydrocyanic acid

#86
20160002162
2016-01-07

Processes for recovering valuable components from a catalytic fast pyrolysis process

#87
20150375180
2015-12-31

Separation of nanoparticles

#88
20150191418
2015-07-09

Preparation of organic compounds for enhanced reactivity

#89
20150183717
2015-07-02

Process for improved recovery of onium hydroxide from compositions containing process residues

#90
20150119577
2015-04-30

Membrane separation of ionic liquid solutions

#91
20150057467
2015-02-26

PROCESS TO PREPARE ETHYLENE AMINES

#92
20150031918
2015-01-29

Method for removing quaternary salt

#93
20140378708
2014-12-25

Method for producing polyamine composition from plant

#94
20140238929
2014-08-28

Process for preparing an aromatic amine and apparatus therefor

#95
20140213824
2014-07-31

Method for separating and purifying 1,4-diaminobutane from fermented solution

#96
20140179953
2014-06-26

Process to prepare ethylene amines

#97
20140148618
2014-05-29

Method for removal and recovery of organic amines from a hydrocarbon stream

#98
20140046096
2014-02-13

Process for purifying aniline from gas phase hydrogenations

#99
20130274522
2013-10-17

Processes for separating one or more amine byproducts from one or more desired amines

#100
20130178656
2013-07-11

Process for preparing secondary amines in the liquid phase

#101
20130096350
2013-04-18

Method to recover organic tertiary amines from waste sulfuric acid

#102
20130090472
2013-04-11

Gold complexes for use in the treatment of cancer

#103
20130066113
2013-03-14

Process for preparing alkylated p-phenylenediamines

#104
20130060002
2013-03-07

Process for working up reaction outputs from the hydrogenation of EDDN or EDMN

#105
20130056722
2013-03-07

Organic compound

#106
20120323041
2012-12-20

Method for intermittently producing 4,4′-diaminodicyclohexylmethane with a low amount of the trans-trans isomer

#107
20120116123
2012-05-10

Process for separating one or more aliphatic diamines from reductive amination reaction solvents and impurities

#108
20120100184
2012-04-26

Synthesis of 1-amino-1,3,3,5,5,-cyclohexane mesylate

#109
20120083626
2012-04-05

Process for preparing an aromatic amine and apparatus therefor

#110
20120043533
2012-02-23

Aromatic amine derivative and organic electroluminescent element comprising the same

#111
20120029233
2012-02-02

Method and apparatus for recovery of amine from amine-containing waste water and regeneration of cation exchange resin

#112
20110313200
2011-12-22

Method for obtaining an aminoindan mesylate derivative

#113
20110256046
2011-10-20

Process for producing ammonium salts

#114
20110256045
2011-10-20

Process for producing ammonium salts

#115
20110021836
2011-01-27

Method for treating residues from the production of isocyanates

#116
20110015439
2011-01-20

Process to prepare ethylene amines

#117
20100292511
2010-11-18

Purification of impure hexamethylenediamines

#118
20100280272
2010-11-04

Method for obtaining an aminoindan mesylate derivative

#119
20100274057
2010-10-28

Process for isolation of an organic amine

#120
20100184952
2010-07-22

METHOD FOR SELECTIVE REMOVAL OF DIBENZOFULVENE DERIVATIVE

#121
20100174114
2010-07-08

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

#122
20100137639
2010-06-03

Preparation of organic compounds for enhanced reactivity

#123
20100087684
2010-04-08

Methods for making ethanolamine(s) and ethyleneamine(s) from ethylene oxide and ammonia, and related methods

#124
20090292141
2009-11-26

Method for obtaining an aminoindan mesylate derivative

#125
20090065346
2009-03-12

Process for the distillative separation of mixtures comprising monoethylene glycol and diethylentriamine

#126
20090048465
2009-02-19

Process for preparing 4-aminodiphenylamine

#127
20080319220
2008-12-25

Preparation of both hexamethylene diamine and aminocapronitrile

#128
20080161412
2008-07-03

Process for preparation of sertraline hydrochloride form I

#129
20080039657
2008-02-14

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

#130
20070232832
2007-10-04

Process for preparing 4-aminodiphenylamine

#131
20070227675
2007-10-04

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

#132
20070112217
2007-05-17

Methods for isolating propargylated aminoindans

#133
20070100165
2007-05-03

Process for preparation of sertraline hydrochloride form I

#134
20070043217
2007-02-22

Method for the distillative separation of mixtures containing ethyleneamines

#135
20070010692
2007-01-11

Method for the production of diaminodiarylmethanes

#136
20060247473
2006-11-02

Process for preparing 4-aminodiphenylamine

#137
20060243584
2006-11-02

Method for avoiding corrosion

#138
20060058555
2006-03-16

Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine

#139
20060058545
2006-03-16

Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine

#140
20050263385
2005-12-01

Process for the distillative separation of aqueous amine solutions

#141
20050245767
2005-11-03

Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethyl- cyclohexylamine) having a high cis/tran-isomer ratio

#142
20050240058
2005-10-27

Process for preparing 4-aminodiphenylamine

#143
20050177003
2005-08-11

Method for the production of amines

#144
20050170947
2005-08-04

Agglomerated zeolitic adsorbents, their process of preparation and their uses

#145
20050080294
2005-04-14

Separation of amine from a phenolic compound

#146
20050000790
2005-01-06

METHOD FOR ISOLATING AMINES FROM AQUEOUS SOLUTIONS

#147
18668526
2025-04-08

Method to selectively produce benzalaniline from a Schiff-base reaction involving aniline and benzaldehyde

#148
17678360
2023-07-18

Method for operating a rectification column

#149
15644645
2018-05-15

Process for the separation of long chain amino acids and dibasic acids

#150
15635874
2018-05-15

Process for the separation of long chain amino acids and dibasic acids