ClassID:

112530

C12P41/006 - CPC Classification

Classification description:

Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures

Sub-classes:
Recent Application in this class:
#1
20260028600
2026-01-29

TRANSAMINASE POLYPEPTIDES

#2
20250243520
2025-07-31

PRODUCTION METHOD FOR L-CYCLIC AMINO ACIDS

#3
20250122542
2025-04-17

PROCESS TO PRODUCE (1R,4R)-4-SUBSTITUTED CYCLOHEXANE-1-AMINES

#4
20240182502
2024-06-06

METHODS FOR PREPARING L-GLUFOSINATE

#5
20240150732
2024-05-09

TRANSAMINASE POLYPEPTIDES

#6
20240052394
2024-02-15

BIOPRODUCTION OF ENANTIOPURE (R)- AND (S)-2-PHENYLGLYCINOL FROM STYRENE AND RENEWABLE FEEDSTOCKS VIA ARTIFICIAL ENZYME CASCADE

#7
20230120624
2023-04-20

Transaminase polypeptides

#8
20220275410
2022-09-01

Production method for L-cyclic amino acids

#9
20210230564
2021-07-29

Transaminase polypeptides

#10
20210087595
2021-03-25

Method for preparing (S)-1-benzyl-1,2,3,4,5,6,7,8-octahydroisoquinoline compound

#11
20200109380
2020-04-09

Transaminase polypeptides

#12
20190359554
2019-11-28

Process for early sacubitril intermediates

#13
20190249152
2019-08-15

Transaminase polypeptides

#14
20190078130
2019-03-14

Transaminases

#15
20180298355
2018-10-18

Transaminase polypeptides

#16
20180298354
2018-10-18

Transaminases

#17
20180201911
2018-07-19

Transaminase polypeptides

#18
20170073651
2017-03-16

Polynucleotides encoding transaminase polypeptides

#19
20160355801
2016-12-08

Nitrilases, nucleic acids encoding them and methods for making and using them

#20
20160298092
2016-10-13

Omega-transaminase mutants with activity improvements toward ketones and methods for producing optically pure amines

#21
20150210988
2015-07-30

Engineered transaminase polypeptides

#22
20150125928
2015-05-07

Nitrilases, nucleic acids encoding them and methods for making and using them

#23
20140335575
2014-11-13

Vector, a transformant and a method to produce a polypeptide having activity to selectively hydrolyze a (R)-tropic acid amide in a racemic mixture

#24
20140242644
2014-08-28

Process for the enzymatic synthesis of (7S)-3,4-dimethoxybicyclo[4.2.0]OCTA-1,3,5-triene-7-carboxylic acid and application in the synthesis of ivabradine and salts thereof

#25
20140004575
2014-01-02

Modified aminotransferase, gene thereof, and method for producing optically active amino compound using same

#26
20130309732
2013-11-21

BIOSYNTHESIS METHODS OF NOREPHEDRINE WITH SPECIFIC OPTICAL ACTIVITIES

#27
20130266994
2013-10-10

Transaminase polypeptides

#28
20130210092
2013-08-15

Nucleic acid encoding a polypeptide having aminotransferase activity, vectors and host cells comprising the nucleic acid

#29
20130196389
2013-08-01

Nucleic acid encoding a polpeptide having aminotransferase activity, vectors and host cells comprising the nucleic acid

#30
20130177949
2013-07-11

Nitrilases

#31
20130095535
2013-04-18

ENZYMATIC RESOLUTION OF RACEMIC (2R,S)-2-(ACETYLAMINO)-3-METHOXY-N-(PHENYLMETHYL)PROPANAMIDE

#32
20130059348
2013-03-07

Amidase, gene for the same, vector, transformant, and method for production of optically active carboxylic acid amide and optically active carboxylic acid by using any one of those items

#33
20130053414
2013-02-28

METHODS FOR TREATMENT OF COGNITIVE AND MENOPAUSAL DISORDERS WITH D-THREO METHYLPHENIDATE

#34
20130041178
2013-02-14

METHOD FOR PREPARING OPTICALLY ACTIVE N-METHYLAMINO ACIDS AND OPTICALLY ACTIVE N-METHYLAMINO ACID AMIDES

#35
20120329107
2012-12-27

METHOD FOR PREPARING OPTICALLY ACTIVE AMINO ACIDS AND OPTICALLY ACTIVE AMINO ACID AMIDES

#36
20120164724
2012-06-28

Aminotransferase, gene encoding the same, and methods of using them

#37
20120010104
2012-01-12

GROWTH SELECTION METHOD

#38
20120009637
2012-01-12

Nitrilases, nucleic acids encoding them and methods for making and using them

#39
20120009633
2012-01-12

Nitrilases and methods for making and using them

#40
20110281309
2011-11-17

Amino acid dehydrogenase, and process for producing L-amino acid, 2-oxo acid or D-amino acid

#41
20110263839
2011-10-27

Nucleic acids encoding nitrilases

#42
20110257227
2011-10-20

Methods For Treatment Of Cognitive And Menopausal Disorders With D-Threo Methylphenidate

#43
20110201645
2011-08-18

Method Of Treating Attention Deficit Disorders With D-Threo Methylphenidate

#44
20110097768
2011-04-28

strain and methods of using same

#45
20110045551
2011-02-24

Method for producing an optically active compound

#46
20100285544
2010-11-11

Aminotransferase, gene encoding the same, and method of using them

#47
20100216214
2010-08-26

Nitrilases, nucleic acids encoding them and methods for making and using them

#48
20100209981
2010-08-19

Transaminase polypeptides

#49
20100204503
2010-08-12

Stereoselective bioconversion of aliphatic dinitriles into cyano carboxylic acids

#50
20100105917
2010-04-29

Method for producing optically active 3-aminopiperidine or salt thereof

#51
20100105111
2010-04-29

METHOD FOR PRODUCTION OF OPTICALLY ACTIVE AMINO ACID

#52
20100093797
2010-04-15

Methods For Treatment Of Cognitive And Menopausal Disorders With D-Threo Methylphenidate

#53
20100086986
2010-04-08

Nitrilases and methods for making and using them

#54
20100047863
2010-02-25

Group of novel enantioselective microbial nitrile hydratases with broad substrate specificity

#55
20100035928
2010-02-11

Method Of Treating Attention Deficit Disorders With D-Threo Methylphenidate

#56
20100015675
2010-01-21

Process for the production of fluorine containing alpha-hydroxy carboxylic acids

#57
20100009426
2010-01-14

Nitrilases, nucleic acids encoding them and methods for making and using them

#58
20100009415
2010-01-14

L-amino acid amide asymmetric hydrolase and DNA encoding the same

#59
20090258398
2009-10-15

Process for the production of β-amino acids using acylase

#60
20090215132
2009-08-27

Polynucleotide encoding a thermostable amide hydrolase and methods for producing an L-α-amino acid

#61
20090176976
2009-07-09

Nitrilases

#62
20090162906
2009-06-25

Nitrilases and methods for making and using them

#63
20090136994
2009-05-28

Polypeptide having amidase activity and gene thereof

#64
20090088455
2009-04-02

Chronic, Bolus Adminstration Of D-Threo Methylphenidate

#65
20090042261
2009-02-12

Process for the preparation of optically active 5-substituted 2-oxazolidinones from racemic epoxides and cyanate employing a halohydrin dehalogenase

#66
20080265206
2008-10-30

Method for the Enzymatic Production of 5-Norbornen-2-Carboxylic Acid

#67
20080057548
2008-03-06

L-amino acid amide asymmetric hydrolase and DNA encoding the same

#68
20070275444
2007-11-29

Thermostable Omega-Transaminases

#69
20070196905
2007-08-23

Stereoselective bioconversion of aliphatic dinitriles into cyano carboxylic acids

#70
20070172933
2007-07-26

Thermally stable amidases

#71
20070166806
2007-07-19

Process for making amino acids

#72
20070134772
2007-06-14

Thermostable omega-transaminases

#73
20070134771
2007-06-14

Thermostable omega-transaminases

#74
20070134770
2007-06-14

Thermostable omega-transaminases

#75
20070134769
2007-06-14

Thermostable omega-transaminases

#76
20070128689
2007-06-07

Reca-negative and rhab-negative microorganism

#77
20070037264
2007-02-15

Preparation of (E)- and (Z)-2-methyl-2-butenoic acids

#78
20070026507
2007-02-01

Microbial sulfoxidation and amidation of benzhdrylsulfanyl carboxylic acids and uses thereof

#79
20060287398
2006-12-21

2-alkylcysteinamide or salt thereof, process for producing these, and use of these

#80
20060228788
2006-10-12

Thermostable omega-transaminases

#81
20060183774
2006-08-17

Methods for treatment of cognitive and menopausal disorders with D-threo methylphenidate

#82
20060177919
2006-08-10

Process for the preparation of (S)- or (R)-3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid

#83
20060166308
2006-07-27

Stereoisomerically enriched N-protected β-lactams using candida antarctica

#84
20060115883
2006-06-01

Preparation of (E)- and (Z)-2-methyl-2-butenoic acids

#85
20060035345
2006-02-16

Process for the production of β-amino acids using acylase

#86
20060030587
2006-02-09

Method of treating attention deficit disorders with d-threo methylphenidate

#87
20050130141
2005-06-16

Process for preparing variant polynucleotides

#88
20050130140
2005-06-16

Process for preparing variant polynucleotides

#89
20050119307
2005-06-02

Method of treating attention deficit disorders with D-threo methylphenidate

#90
20050079595
2005-04-14

Nucleic acid sequences encoding enantioselective amidases

#91
20050049279
2005-03-03

Chronic, bolus administration of D-threo methylphenidate

#92
20050038255
2005-02-17

Stereoselective preparation of cyclic L-amino acids

#93
20050009151
2005-01-13

Methods for the stereospecific and enantiomeric enrichment of beta-amino acids