ClassID:

93012

C07C253/10 - CPC Classification

Classification description:

Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds to compounds containing carbon-to-carbon double bonds

Recent Application in this class:
#1
20260034540
2026-02-05

PROCESSES FOR PRODUCING NITRILES AND PHOSPHORUS-CONTAINING CATALYSTS FOR USE IN SUCH PROCESSES

#2
20260015370
2026-01-15

BIDENTATE PHOSPHITE LIGANDS, CATALYTIC COMPOSITIONS CONTAINING SUCH LIGANDS, AND CATALYTIC PROCESSES UTILIZING SUCH CATALYTIC COMPOSITIONS

#3
20260015319
2026-01-15

BIDENTATE PHOSPHITE LIGANDS, CATALYTIC COMPOSITIONS CONTAINING SUCH LIGANDS, AND CATALYTIC PROCESSES UTILIZING SUCH CATALYTIC COMPOSITIONS

#4
20260015318
2026-01-15

PROCESSES FOR PRODUCING NITRILES AND PHOSPHORUS-CONTAINING CATALYSTS FOR USE IN SUCH PROCESSES

#5
20250296076
2025-09-25

MULTIDENTATE PHOSPHITE LIGANDS, CATALYTIC COMPOSITIONS CONTAINING SUCH LIGANDS, AND CATALYTIC PROCESSES UTILIZING SUCH CATALYTIC COMPOSITIONS

#6
20240336560
2024-10-10

Use of a Multidentate Phosphite Ligand in the Catalytic Synthesis of Adiponitrile

#7
20230135390
2023-05-04

PROCESS FOR MANUFACTURE OF A COMPLEXING AGENT

#8
20230094350
2023-03-30

Porous Polymer and Method for Preparing the Same, Catalyst, and Method for Preparing Adiponitrile

#9
20230035875
2023-02-02

METHOD AND DEVICE FOR PREPARING ADIPONITRILE

#10
20220002235
2022-01-06

Method for preparing isophorone diisocyanate

#11
20210403414
2021-12-30

PRODUCTION OF NITROGEN-CONTAINING CHELATORS

#12
20200071266
2020-03-05

Pinene-derived diisocyanates

#13
20190106383
2019-04-11

Pinene-derived diisocyanates

#14
20180305303
2018-10-25

Method for preparing acrolein cyanohydrins

#15
20170260116
2017-09-14

Methods of making halogenated fluorinated ether-containing compounds

#16
20170152211
2017-06-01

Integrated process for nitrile manufacture with enhanced liquid-liquid extraction

#17
20160311763
2016-10-27

Heterogeneous hydrocyanation

#18
20160272580
2016-09-22

Process for removing cations from an isophoronenitrile product mixture

#19
20160168082
2016-06-16

Method for producing linear pentenenitrile

#20
20160168081
2016-06-16

Separating a solvent from a nickel catalyst by distillation

#21
20160009638
2016-01-14

PROCESS FOR PRODUCING COMPOUNDS COMPRISING NITRILE FUNCTIONS

#22
20150344919
2015-12-03

Process for the preparation of pregabalin

#23
20150314280
2015-11-05

Composition for improved nickel-ligand solubility

#24
20150314279
2015-11-05

Process for producing pentenenitriles

#25
20150218123
2015-08-06

Preparation method for optically active bicyclic gamma-amino acid compound

#26
20150196900
2015-07-16

Nickel form for preparation of catalytic nickel-ligand complexes

#27
20150148556
2015-05-28

Process for stabilizing hydrocyanation catalyst

#28
20150094481
2015-04-02

METHODS OF MAKING ORGANIC COMPOUNDS BY METATHESIS AND HYDROCYANATION

#29
20140378695
2014-12-25

Process for the manufacture of methyl limonitrile

#30
20140296527
2014-10-02

Processes for the preparation of pyrrolidine intermediates

#31
20140249327
2014-09-04

Method for producing nitrile compounds from ethylenically unsaturated compounds

#32
20140235887
2014-08-21

Process for making nitriles

#33
20140114085
2014-04-24

Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone

#34
20140051881
2014-02-20

Process for preparation of dicyanocarboxylate derivatives

#35
20130267728
2013-10-10

Process for making nitriles

#36
20130253226
2013-09-26

Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine

#37
20130211127
2013-08-15

Process for making nitriles

#38
20130211126
2013-08-15

Process for making nitriles

#39
20130211125
2013-08-15

Process for making nitriles

#40
20130211124
2013-08-15

Process for making nitriles

#41
20130211123
2013-08-15

Process for making nitriles

#42
20130211122
2013-08-15

Process for making nitriles

#43
20130211121
2013-08-15

Process for making nitriles

#44
20130150610
2013-06-13

Process for making nitriles

#45
20130144082
2013-06-06

Nickel form for preparation of catalytic nickel-ligand complexes

#46
20130143730
2013-06-06

Metal-ligand catalyst formation

#47
20130023690
2013-01-24

PROCESS FOR THE PRODUCTION OF NITRILE COMPOUNDS FROM ETHYLENICALLY UNSATURATED COMPOUNDS

#48
20120197025
2012-08-02

Organophosphorus compounds based on tetraphenol (TP)-substituted structures

#49
20120178958
2012-07-12

Method for producing linear pentenenitrile

#50
20120046455
2012-02-23

Catalytic Cyclopropanation of Alkenes with Alpha-Cyano-Diazoacetates

#51
20120035387
2012-02-09

Hydrocyanation of 2-pentenenitrile

#52
20120004440
2012-01-05

Process for producing compounds comprising nitrile functions

#53
20110311428
2011-12-22

Nickel compositions for preparing nickel metal and nickel complexes

#54
20110288327
2011-11-24

PROCESS FOR THE MANUFACTURE OF COMPOUNDS COMPRISING NITRILE FUNCTIONAL GROUPS

#55
20110196168
2011-08-11

Nickel metal compositions and nickel complexes derived from basic nickel carbonates

#56
20110166376
2011-07-07

Preparation of nitriles from ethylenically unsaturated compounds

#57
20110118499
2011-05-19

Preparation of nitriles from ethylenically unsaturated compounds

#58
20110092729
2011-04-21

Process of hydrocyanation of unsaturated carboxylic acid derivatives

#59
20110082310
2011-04-07

Production of nitrile compounds

#60
20110033362
2011-02-10

Process for producing hydrocyanic acid

#61
20110021804
2011-01-27

Production of compounds comprising nitrile functional groups

#62
20100048850
2010-02-25

Method for the synthesis of acrylonitrile from glycerol

#63
20090259065
2009-10-15

Methods of making organic compounds by metathesis and hydrocyanation

#64
20090247780
2009-10-01

Method of producing nitrile compounds

#65
20090247779
2009-10-01

Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene

#66
20090198082
2009-08-06

Process for producing dicyanonorbornane and zerovalent nickel complex catalyst

#67
20090187039
2009-07-23

Production of 3-pentenenitrile from 1,3-butadiene

#68
20090182164
2009-07-16

Hydrocyanation of pentenenitriles

#69
20090182163
2009-07-16

Process for making and refining 3-pentenenitrile, and for refining 2-methyl-3-butenenitrile

#70
20090099386
2009-04-16

Method for the production of dinitrile compounds

#71
20080281120
2008-11-13

Method for Producing Linear Pentenenitrile

#72
20080275266
2008-11-06

Method for the production of pentene nitriles from n-butane

#73
20080242886
2008-10-02

Continuous method for the production of linear pentene nitriles

#74
20080242883
2008-10-02

Method for the hydrocyanation of butadiene

#75
20080227998
2008-09-18

Method for producing 3-pentenenitrile

#76
20080227214
2008-09-18

Method for the Hydrocyanation of 1,3-Butadiene

#77
20080221351
2008-09-11

Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene

#78
20080083607
2008-04-10

Extraction of nickel (0) complexes from nitrile mixtures with reduced rag formation

#79
20080071105
2008-03-20

Ni(0) -containing catalyst system

#80
20080015382
2008-01-17

Hydrocyanation process with reduced yield losses

#81
20080015381
2008-01-17

Hydrocyanation process with reduced yield losses

#82
20080015380
2008-01-17

Process for making 3-pentenenitrile by hydrocyanation of butadiene

#83
20080015379
2008-01-17

Hydrocyanation of 2-pentenenitrile

#84
20080015378
2008-01-17

Process for making 3-pentenenitrile by hydrocyanation of butadiene

#85
20070260086
2007-11-08

Process for the preparation of dinitriles

#86
20070155978
2007-07-05

Method for producing dinitriles

#87
20070155977
2007-07-05

Hydrocyanation method

#88
20070088173
2007-04-19

Method for producing of nickel(0)/phosphorus ligand complexes

#89
20070083057
2007-04-12

Method for the production of nickel(0)-phosphorous ligand complexes

#90
20070060766
2007-03-15

Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles

#91
20060264651
2006-11-23

Method for hydrocyanating an olefinically unsaturated compound

#92
20060258874
2006-11-16

System suitable for the hydrocyanation of olefinically unsaturated compounds

#93
20060258873
2006-11-16

Method of producing dinitrile compounds

#94
20060252955
2006-11-09

Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds

#95
20060229463
2006-10-12

Process for preparing succinonitrile and use of succinonitrile

#96
20060201798
2006-09-14

Method for purifying hydrocyanic acid

#97
20060142609
2006-06-29

Method of producing nitrile compounds from ethylenically-unsaturated compounds

#98
20060128980
2006-06-15

Method for making nitrile compounds from ethylenically unsaturated compounds

#99
20060100455
2006-05-11

Process for preparing nitrile compounds from ethylenically unsaturated compounds

#100
20060058544
2006-03-16

Neutralization of isophorone nitrile synthesis products

#101
20060052624
2006-03-09

Making nitrile compounds from ethylenically unsaturated compounds

#102
20050247624
2005-11-10

Method for the recycling of a Lewis acid

#103
20050209471
2005-09-22

Main-group metal-based asymmetric catalysts and applications thereof

#104
20050090681
2005-04-28

Hydrocyanation of pentenenitriles and/or 2-methyl-3-butenenitrile using promoters obtained from the chlorination of titanium-rich ores

#105
20050090678
2005-04-28

Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles

#106
20050090677
2005-04-28

Phosphinites

#107
20050059737
2005-03-17

Process of hydrocyanation of unsaturated carboxylic acid derivatives