ClassID:

92669

C07C227/40 - CPC Classification

Classification description:

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton; Separation; Purification; Stabilisation; Use of additives Separation; Purification

Sub-classes:
Recent Application in this class:
#1
20260069712
2026-03-12

METHODS FOR PURIFICATION OF IONIZABLE LIPIDS

#2
20260062377
2026-03-05

IMPROVED PROCESS FOR PREPARING P-AMINOBENZOIC ACID-2-ETHYLHEXYL ESTER

#3
20250382259
2025-12-18

METHOD FOR PREPARING CHELATABLE EDDHA

#4
20250346554
2025-11-13

METHOD FOR PURIFYING COMPOSITION

#5
20250171396
2025-05-29

METHOD FOR CONTINUOUS-FLOW AMINATION OF ALKYL CARBOXYLIC ACID COMPOUND

#6
20250091013
2025-03-20

Three-Compartment Bipolar Membrane Electrodialysis Of Salts Of Amino Acids

#7
20250066381
2025-02-27

ONE-POT, MULTI-COMPONENT MANUFACTURING METHOD FOR TETRAHYDROTHIENOPYRIDINE DERIVATIVES INCLUDING N-SUBSTITUTED AMINO ACIDS

#8
20250050312
2025-02-13

PROCESS FOR THE ENANTIOSELECTIVE SEPARATION OF AMINO ACIDS USING CHIRAL POLYSTYRENE MICROSPHERES

#9
20240336495
2024-10-10

ADSORPTION METHOD FOR NITRILOTRIACETIC ACID (NTA) REMOVAL FROM EDTA CONTAINING CHELANT SOLUTIONS

#10
20240294464
2024-09-05

SYNTHESIS OF RESTRAINED COMPLEXING AGENTS

#11
20240262772
2024-08-08

A SOLVENT DRYING SOLUTION AND PROCESSES THERFOR

#12
20240124387
2024-04-18

ACID RECOVERY

#13
20240109838
2024-04-04

PROCESS OF MANUFACTURING 2-(4'-DIETHYLAMINO-2'-HYDROXYBENZOYL)BENZOIC ACID HEXYL ESTER

#14
20240083838
2024-03-14

PROCESS FOR MANUFACTURING AMINOUNDECANOIC ACID AND AMINODECANOIC ACID

#15
20240010608
2024-01-11

KETTLE-TYPE CONTINUOUS PRODUCTION METHOD FOR GLYCINE

#16
20230391715
2023-12-07

NOVEL PROCESS FOR PREPARING SOLRIAMFETOL HYDROCHLORIDE

#17
20230391712
2023-12-07

PROCESS FOR THE AMMONOLYSIS OF BROMOALKANOIC ACIDS

#18
20230192595
2023-06-22

Continuous-flow preparation method of diclofenac sodium

#19
20220162155
2022-05-26

L-ORNITHINE PHENYL ACETATE AND METHODS OF MAKING THEREOF

#20
20220081468
2022-03-17

SIZE EXCLUSION CHROMATOGRAPHY UTILIZING LOW CONCENTRATION AMINO ACIDS IN SIZE EXCLUSION CHROMATOGRAPHY MOBILE PHASE

#21
20220033349
2022-02-03

Process for preparing cyanoacetates

#22
20220002226
2022-01-06

Amorphous Form of Chelating Agents and Process for Preparing them

#23
20210276942
2021-09-09

Synthesis of 4-chlorokynurenines and intermediates

#24
20210229040
2021-07-29

Three-compartment bipolar membrane electrodialysis of salts of amino acids

#25
20210094903
2021-04-01

Granules comprising L-amino acid and method for preparing the same

#26
20210040030
2021-02-11

METHODS OF STABILIZING AND PURIFYING AQUEOUS COMPOSITIONS OFALKALI METAL SALTS OF AMINO ACIDS COMPRISING ALKALI METAL HYDROXIDE

#27
20210017121
2021-01-21

Process for drying N,N-dimethyl glycinate salte

#28
20210002207
2021-01-07

A process for the preparation of Vigabatrin

#29
20200354308
2020-11-12

Process for the preparation of droxidopa and its intermediate

#30
20200255370
2020-08-13

Method for preparing glutamate-based surfactant

#31
20200239406
2020-07-30

L-ornithine phenyl acetate and methods of making thereof

#32
20200223787
2020-07-16

Polyaspartic acid ester compositions and method for purification

#33
20200216383
2020-07-09

Polyaspartic acid ester compositions which contain polyaspartic acid esters with primary amino groups and small amounts of fumaric acid dialkyl esters

#34
20200199062
2020-06-25

METHOD AND SYSTEM FOR SEPARATING ONE OR MORE AMINO ACIDS FROM A WHOLE STILLAGE BYPRODUCT PRODUCED IN A CORN DRY MILLING PROCESS

#35
20200157041
2020-05-21

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

#36
20200071341
2020-03-05

Preparation of a solid form of gadobenate dimeglumine

#37
20200043620
2020-02-06

Closed evaporation system

#38
20190388858
2019-12-26

pH-responsive amphoteric surfactant n-lauryl-(α-alkyl)-β-aminopropionic acid and preparation method and uses thereof

#39
20190382812
2019-12-19

Process for preparing aminobenzoic acid or an aminobenzoic acid conversion product

#40
20190352253
2019-11-21

Compounds and compositions

#41
20190225574
2019-07-25

Crystalline form of gamma-aminobutyric acid and preparation method thereof

#42
20190062265
2019-02-28

Process for purifying long chain amino acids

#43
20190010116
2019-01-10

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

#44
20190010115
2019-01-10

Process for producing long chain amino acids and dibasic acids

#45
20190002397
2019-01-03

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

#46
20190002396
2019-01-03

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

#47
20180355285
2018-12-13

Process for manufacturing granules

#48
20180319736
2018-11-08

L-ornithine phenyl acetate and methods of making thereof

#49
20180282259
2018-10-04

Composition made of amino acid or ester with polymer quality and methods for obtaining same

#50
20180237377
2018-08-23

Process for the Synthesis of Melphalan and the Hydrochloride Salt

#51
20180093202
2018-04-05

MATERIALS AND METHODS FOR THE SELECTIVE RECOVERY OF MONOVALENT PRODUCTS FROM AQUEOUS SOLUTIONS USING CONTINUOUS ION EXCHANGE

#52
20180093200
2018-04-05

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

#53
20180044281
2018-02-15

L-ornithine phenyl acetate and methods of making thereof

#54
20170349535
2017-12-07

Materials and methods for the selective recovery of monovalent products from aqueous solutions using continuous ion exchange

#55
20170298293
2017-10-19

Method to destabilize emulsion feedstocks for the recovery of valuable products

#56
20170216739
2017-08-03

Method of extracting nutrients from a plant

#57
20170036991
2017-02-09

Isolation and purification of 6-aminocaproic acid

#58
20160355460
2016-12-08

Preparation of 18F-fluciclovine

#59
20160326112
2016-11-10

Method for purifying aromatic amino acids

#60
20160297747
2016-10-13

MATERIALS AND METHODS FOR THE SELECTIVE RECOVERY OF MONOVALENT PRODUCTS FROM AQUEOUS SOLUTIONS USING CONTINUOUS ION EXCHANGE

#61
20160297746
2016-10-13

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

#62
20160289170
2016-10-06

N-Substituted Glycinium (Fluorosulfonyl)(Trifluoromethylsulfonyl)imide Compound

#63
20160289169
2016-10-06

N-SUBSTITUTED GLYCINIUM BIS(FLUOROSULFONYL)IMIDE IONIC LIQUID

#64
20160237025
2016-08-18

Process for preparing gabapentin

#65
20160229793
2016-08-11

Method of processing phospholipid based lipid materials

#66
20160228583
2016-08-11

Process for the preparation of gadobenate dimeglumine complex in a solid form

#67
20160152564
2016-06-02

Method for stepwise separating amino acid active ingredients of Chi

#68
20160152554
2016-06-02

Method for producing 2-(4-N,N-dialkylamino-2-hydroxybenzoyl) benzoates

#69
20160090352
2016-03-31

Process for the purification of melphalan

#70
20160016889
2016-01-21

Process for the synthesis of melphalan and the hydrochloride salt

#71
20150251990
2015-09-10

L-ornithine phenyl acetate and methods of making thereof

#72
20150251989
2015-09-10

Methods for decolorizing compositions comprising betaines

#73
20150246870
2015-09-03

Chromium 4-hydroxyisoleucinate compound methods for prepartion and use

#74
20150232415
2015-08-20

Preparation of F-fluciclovine

#75
20150209775
2015-07-30

Branched-chain fatty acids as liquid cation exchangers

#76
20150191418
2015-07-09

Preparation of organic compounds for enhanced reactivity

#77
20150183725
2015-07-02

Method of producing basic amino acid or basic amino acid salt

#78
20150166465
2015-06-18

Lipid formulations

#79
20150158887
2015-06-11

Process for the preparation of chelated compounds

#80
20150126775
2015-05-07

Process for the production of carnitine from β-lactones

#81
20150051422
2015-02-19

Process for purification of free bio-amino acids

#82
20140350291
2014-11-27

Process for recovering noble products in a process for producing dialkylaminoalkyl (meth) acrylates

#83
20140323719
2014-10-30

Process for the purification of polyaminocarboxylates

#84
20140296566
2014-10-02

Simplified Radiosynthesis of O-[18F]Fluoromethyl Tyrosine Derivatives

#85
20140295505
2014-10-02

Process for the recovery of betaine from molasses

#86
20140288327
2014-09-25

L-ornithine phenyl acetate and methods of making thereof

#87
20140275614
2014-09-18

PRODUCTION AND PURIFICATION OF CARBOXYLIC BETAINE ZWITTERIONIC MONOMERS

#88
20140107319
2014-04-17

Method for synthesis of peptide using a carrier

#89
20140054224
2014-02-27

Liquid cation exchanger

#90
20140039210
2014-02-06

Liquid cation exchanger

#91
20130261332
2013-10-03

Preparation of organic compounds for enhanced reactivity

#92
20130071519
2013-03-21

Process for the recovery of betaine from molasses

#93
20120245333
2012-09-27

Process for the preparation of chelated compound

#94
20120232151
2012-09-13

Process for the Preparation of Gadobenate Dimeglumine Complex in a Solid Form

#95
20120208885
2012-08-16

L-ornithine phenyl acetate and methods of making thereof

#96
20120183602
2012-07-19

Lipid formulation

#97
20120112120
2012-05-10

Use of solid betaine product and method for its manufacture

#98
20120035394
2012-02-09

Process for the recovery of betaines from electrodialysis waste stream

#99
20120022288
2012-01-26

PROCESS FOR THE PRODUCTION OF CARNITINE FROM BETA-LACTONES

#100
20110245491
2011-10-06

SEPARATION PROCESS

#101
20110245487
2011-10-06

SEPARATION PROCESS

#102
20110190475
2011-08-04

Processes for removal of dibenzofulvene

#103
20110166380
2011-07-07

Derivative compounds of N-6-Trimethy-L-Lysine for therapeutic use

#104
20110166379
2011-07-07

Method of synthesis and purification of N-6-trimethyl-L-lysine and derivative compounds

#105
20110166231
2011-07-07

Method of treating a human being for a class of metabolic defects and energy production disorders

#106
20110166230
2011-07-07

Method of treating a human being for a class of neurological defects and seizure disorders

#107
20110160483
2011-06-30

Process for the separation of organic acids and amino acids from fermentation broths

#108
20110155458
2011-06-30

Vehicle electrical conduction path

#109
20110087049
2011-04-14

Method of producing purified optically acitve 4-amino-3-(substituted phenyl)butanoic acid compound

#110
20110054215
2011-03-03

Preparation of free flowing granules of methylglycine diacetic acid

#111
20100324120
2010-12-23

Lipid formulation

#112
20100312010
2010-12-09

Process for the Preparation of (S)-Pregabalin

#113
20100280119
2010-11-04

L-ornithine phenyl acetate and methods of making thereof

#114
20100184952
2010-07-22

METHOD FOR SELECTIVE REMOVAL OF DIBENZOFULVENE DERIVATIVE

#115
20100179345
2010-07-15

Process for the preparation of pregabalin

#116
20100137639
2010-06-03

Preparation of organic compounds for enhanced reactivity

#117
20100126864
2010-05-27

Process to prepare amino acid-N, N-diacetic acid compounds

#118
20100029904
2010-02-04

Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier

#119
20090171116
2009-07-02

Treatment of Aqueous Liquids and the Preparation of Anthranilic Acid

#120
20090075348
2009-03-19

Method for recovering a basic amino acid from a fermentation liquor

#121
20090054685
2009-02-26

Methods for purifying amino acids

#122
20090036709
2009-02-05

Method for producing 5-aminolevulinic acid hydrochloride

#123
20090032406
2009-02-05

Process for obtaining cyclic amino acids

#124
20080193985
2008-08-14

Method For Recovering a Basic Amino Acid Form a Fermentation Liquor ll

#125
20080103334
2008-05-01

Process For Synthesis Of Gabapentin

#126
20080045746
2008-02-21

Method for purification of amino acid

#127
20080039647
2008-02-14

Process for producing amino acid or salt thereof by column technique and production apparatus thereof

#128
20070287861
2007-12-13

Process suitable for industrial scale production of gabapentin

#129
20070193960
2007-08-23

Process for recovering organic compounds from aqueous streams containing same

#130
20070161784
2007-07-12

Methods and products of amino acid isolation

#131
20070129569
2007-06-07

Process for the purification of gabapentin

#132
20070123590
2007-05-31

Process for the purification of gabapentin

#133
20070043237
2007-02-22

Process for the preparation of gabapentin

#134
20060276544
2006-12-07

Pregabalin free of isobutylglutaric acid and a process for preparation thereof

#135
20060235079
2006-10-19

Process for the preparation of Gabapentin form-II

#136
20060122271
2006-06-08

Stable gabapentin having pH within a controlled range

#137
20060106226
2006-05-18

Isolation of amino acids and related isolates

#138
20060035972
2006-02-16

Therapeutic compositions and uses

#139
20060030730
2006-02-09

Purification and production methods of 1-aminocyclopropanecarboxylic acid

#140
20050284813
2005-12-29

Process for producing amino acid or salt thereof by column technique and production apparatus thereof

#141
20050222378
2005-10-06

Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof

#142
20050217816
2005-10-06

Storage-stable iminodisuccinate solutions

#143
20050192426
2005-09-01

Methods of synthesis of polymers and copolymers from natural products

#144
15644645
2018-05-15

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

#145
14121223
2015-09-01

Optically active valine complex and a method for producing the same