ClassID:

93007

C07C253/00 - CPC Classification

Classification description:

Preparation of carboxylic acid nitriles

Sub-classes:
Recent Application in this class:
#1
20260146021
2026-05-28

PROCESS OF PREPARATION OF METHYLENE DICARBOXYLATES

#2
20250081844
2025-03-06

Charge Generation Layer Comprising a Compound of Formula (I), Organic Electronic Device and Display Device Comprising the Charge Generation Layer as Well as Compounds of Formula (I)

#3
20240368190
2024-11-07

SYNTHESIS OF RAS INHIBITORS

#4
20240190799
2024-06-13

CHEMICAL UPCYCLING OF HYDROXYLATED POLYMERS VIA C-C BOND CLEAVAGE REACTIONS

#5
20240124386
2024-04-18

PROCESS FOR PRODUCING HEXAMETHYLENEDIAMINE FROM CAPROLACTAM

#6
20240043383
2024-02-08

Method of preparing indolin-2-one compound and method of using indolin-2-one

#7
20230338313
2023-10-26

PROCESS TO PREPARE TREPROSTINIL, THE ACTIVE INGREDIENT IN REMODULIN®

#8
20220274913
2022-09-01

PROCESS FOR MANUFACTURING A SUBSTITUTED CYCLOHEXANECARBONITRILE

#9
20220033350
2022-02-03

PROCESS FOR PREPARING CYANOACETATES

#10
20220033349
2022-02-03

Process for preparing cyanoacetates

#11
20220002232
2022-01-06

PROCESS FOR THE PREPARATION OF 4,5-DIHYDROXY-2-(4-METHYLBENZYL)ISOPHTHALONITRILE

#12
20210115079
2021-04-22

Chiral platinum complex, method for preparing the same, and method for using the same

#13
20210094020
2021-04-01

Oxidation catalysts

#14
20200102265
2020-04-02

Process and device for preparing environmentally-friendly insulating gas perfluoroalkylnitrile

#15
20200048415
2020-02-13

SOLAR PRODUCTION OF NYLON POLYMERS AND PRECURSORS FOR NYLON POLYMER PRODUCTION

#16
20200030271
2020-01-30

Process to prepare treprostinil, the active ingredient in Remodulin®

#17
20190144376
2019-05-16

Process for the synthesis of nitriles

#18
20180237728
2018-08-23

Process for making mixtures of enantiomers of MGDA and GLDA

#19
20180214853
2018-08-02

Oxidation catalysts

#20
20180170859
2018-06-21

Process for the preparation of teriflunomide

#21
20180022679
2018-01-25

Heterogeneous metal-free catalyst

#22
20170181990
2017-06-29

Process to prepare treprostinil, the active ingredient in remodulin®

#23
20170144958
2017-05-25

Process to prepare treprostinil, the active ingredient in Remodulin®

#24
20170144957
2017-05-25

Process to prepare treprostinil, the active ingredient in Remodulin®

#25
20170081308
2017-03-23

Synthesis of thiohydantoins

#26
20170081295
2017-03-23

Propellane derivates and synthesis

#27
20170073304
2017-03-16

METHOD FOR THE PREPARATION OF TERIFLUNOMIDE

#28
20170028386
2017-02-02

Processes for the manufacturing of oxidation catalysts

#29
20170008863
2017-01-12

Synthesis of therapeutic and diagnostic drugs centered on regioselective and stereoselective ring opening of aziridinium ions

#30
20160368861
2016-12-22

COMPOSITIONS AND METHODS RELATED TO THE PRODUCTION OF ACRYLONITRILE

#31
20160347778
2016-12-01

Alkenes as alkyne equivalents in radical cascades terminated by fragmentations

#32
20160326197
2016-11-10

Purifying organophosphorus compounds contaminated with chlorine

#33
20160221931
2016-08-04

Mixtures of MGDA enantiomers, and process for making such mixtures

#34
20160159730
2016-06-09

Salts, crystals, complexes, and derivatives of threonine diacetic acid, a process to prepare threonine diacetic acid, and the use thereof

#35
20160075676
2016-03-17

Production of adipic acid and derivatives from carbohydrate-containing materials

#36
20160052873
2016-02-25

intermediate used for preparing tapentadol or analogues thereof

#37
20160052866
2016-02-25

Intermediate used for preparing tapentadol or analogues thereof

#38
20160009633
2016-01-14

Process for preparing EDA using SO-free hydrocyanic acid

#39
20150376108
2015-12-31

Synthesis of a branched unsaturated compound by means of cross metathesis

#40
20150368190
2015-12-24

Process for separating an isocyanate prepared by phosgenation of a primary amine in the gas phase from the gaseous crude product of the phosgenation

#41
20150353464
2015-12-10

Heterogeneous metal-free catalyst

#42
20150218123
2015-08-06

Preparation method for optically active bicyclic gamma-amino acid compound

#43
20150197487
2015-07-16

METHOD FOR PREPARING DIAMINOMALEONITRILE

#44
20150191449
2015-07-09

Synthesis of thiohydantoins

#45
20150148558
2015-05-28

Method for producing nitrile

#46
20150025241
2015-01-22

Method for preparing dipeptidyl peptidase-IV inhibitor and intermediate

#47
20140350297
2014-11-27

Production of glutaric acid and derivatives from carbohydrate-containing materials

#48
20140350288
2014-11-27

Synthesis of galanal compounds and analogues thereof

#49
20140350284
2014-11-27

Stereoselective synthesis of metyrosine

#50
20140350265
2014-11-27

Method for producing compounds comprising nitrile functions

#51
20140316149
2014-10-23

Aldehyde-selective wacker-type oxidation of unbiased alkenes

#52
20140256982
2014-09-11

Production of adipic acid and derivatives from carbohydrate-containing materials

#53
20140134100
2014-05-15

Hydrogen storage system by catalytic dehydrogenation of amines

#54
20140100371
2014-04-10

PROCESS FOR PREPARING AZOMETHINES FROM ALPHA-OXOCARBOXYLATES, AMINES AND ARYL BROMIDES

#55
20140024858
2014-01-23

Production of adipic acid and derivatives from carbohydrate-containing materials

#56
20130225821
2013-08-29

Synthesis of thiohydantoins

#57
20130204009
2013-08-08

PROCESS FOR PREPARING BENZOIC ACID ESTERS

#58
20130204001
2013-08-08

Process for producing compounds comprising nitrile functions

#59
20130079492
2013-03-28

Process for preparing EDDN and EDMN

#60
20130060002
2013-03-07

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

#61
20130053597
2013-02-28

PROCESS FOR PREPARING EDDN, EDMN, TETA AND DETA

#62
20130053536
2013-02-28

PROCESS FOR PREPARING EDDN AND/OR EDMN AND A PROCESS FOR PREPARING DETA AND/OR TETA

#63
20120323034
2012-12-20

PROCESS FOR PRODUCTION OF CYCLOPROPANECARBOXYLIC ACID ESTER COMPOUND

#64
20120283470
2012-11-08

Process to prepare treprostinil, the active ingredient in Remodulin®

#65
20120248370
2012-10-04

Process for the preparation of aqueous solutions of methylglycine-N,N-diacetic acid trialkali metal salts

#66
20120232305
2012-09-13

Method for producing a carboxylic acid amide from a carbonyl compound and hydrocyanic acid

#67
20120016125
2012-01-19

METHOD FOR PREPARING DIPEPTIDYL PEPTIDASE-IV INHIBITOR AND INTERMEDIATE

#68
20110319653
2011-12-29

Intermediate of cilastatin and preparation method thereof

#69
20110306790
2011-12-15

Oxidation catalysts

#70
20110306784
2011-12-15

METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOUND AND HYDROCYANIC ACID

#71
20110178199
2011-07-21

Method for producing organic compound and organic compound obtained by the method

#72
20110152535
2011-06-23

Preparation of isoxazolin-3-ylacylbenzenes

#73
20110124901
2011-05-26

High-yield production of organic nitriles

#74
20110118498
2011-05-19

Process for production of mandelonitrile compound

#75
20110104765
2011-05-05

Stereoselective synthesis of metyrosine

#76
20110092728
2011-04-21

Process for the production of nitrogen or phosphorus containing compounds from synthesis gas

#77
20110034718
2011-02-10

Method for producing optically active cyanohydrin compound

#78
20100317825
2010-12-16

Production of glutaric acid and derivatives from carbohydrate-containing materials

#79
20100317823
2010-12-16

Production of adipic acid and derivatives from carbohydrate-containing materials

#80
20100317822
2010-12-16

Production of adipic acid and derivatives from carbohydrate-containing materials

#81
20100261929
2010-10-14

Process and apparatus for production of cyanohydrin compound, and process for production of α-hydroxyester compound

#82
20100256409
2010-10-07

Process for production of cyanohydrin compound, and process for production of α-hydroxyester compound

#83
20100210878
2010-08-19

Release and Recovery from Aliphatic Primary Amines or Di-Amines

#84
20100190991
2010-07-29

Synthesis of thiohydantoins

#85
20100105920
2010-04-29

Preparation of isoxazolin-3-ylacylbenzenes

#86
20100076214
2010-03-25

Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid

#87
20100069662
2010-03-18

INTEGRATED PROCESS AND APPARATUS FOR PREPARING ESTERS OF METHACRYLIC ACID FROM ACETONE AND HYDROCYANIC ACID

#88
20100069594
2010-03-18

Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products

#89
20100036131
2010-02-11

-heterocyclic carbene-amido palladium(II) catalysts and method of use thereof

#90
20090299023
2009-12-03

Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling

#91
20090163738
2009-06-25

Process to prepare treprostinil, the active ingredient in remodulin

#92
20080255367
2008-10-16

Process for the preparation and isolation of the individual stereoisomers of 1-amino, 3-substituted phenylcyclopentane-carboxylates

#93
20080033186
2008-02-07

Method for producing nitriles by elimination of water from aldehyde oximes with alkylphosphonic anhydrides

#94
20070282134
2007-12-06

Process for hydroformylation of propylene

#95
20070282133
2007-12-06

Propylene hydroformylation

#96
20070197817
2007-08-23

Method for the preparation of 3-substituted-3'-hydroxypropionitrile

#97
20070167638
2007-07-19

Microchannel apparatus capable of separating phases and methods of using same

#98
20070161800
2007-07-12

Preparation of isoxazolin-3-ylacylbenzene

#99
20060264652
2006-11-23

Process for preparing 4-chloro-3-hydroxybutanoic acid ester

#100
20060173205
2006-08-03

Process for producing w-cyanoaldehyde compound

#101
20060160196
2006-07-20

Process for the synthesis of glycolonitrile

#102
20060069282
2006-03-30

Process for producing aromatic nitrile compound

#103
20050209469
2005-09-22

Converting propylene in an oxygenate-contaminated propylene stream to non-polymerization derivative products

#104
20050192454
2005-09-01

Process for the cyanation aldehydes

#105
20050182269
2005-08-18

Process for the preparation of 3-cyano-1-naphthoic acid and some analogues thereof

#106
20050020846
2005-01-27

Processes for preparation of cyclopropylethanol, cyclopropylacetonitorile and intermediates of both

#107
14277151
2014-10-14

Process for the synthesis of 3,4-dimethoxybicyclo[4.2.0]OCTA-1,3,5-triene-7-carbonitrile, and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid