Patents-Review.com
ClassID:

93018 ⎘

C07C253/22 - CPC Classification

Classification description:

Preparation of carboxylic acid nitriles by reaction of ammonia with carboxylic acids with replacement of carboxyl groups by cyano groups

Recent Application in this class:
#1
20260109666
2026-04-23

ACETONITRILE COMPOSITIONS AND METHODS OF MAKING THE SAME

 #2
20250243153
2025-07-31

SYSTEMS AND METHODS FOR PRODUCING NITRILES

 #3
20240343683
2024-10-17

SYSTEMS AND METHODS FOR PRODUCING NITRILES

 #4
20240199537
2024-06-20

METHOD FOR NITRILATION REACTION OF ACRYLIC ACID ESTER

 #5
20240150278
2024-05-09

PROCESS FOR PURIFYING AMINOCAPRONITRILE

 #6
20230227400
2023-07-20

High purity 2-naphthylacetonitrile and method for producing same

 #7
20230008538
2023-01-12

PROCESS FOR PREPARING NITRILE INTERMEDIATES FOR NITROGEN-CONTAINING CHELATORS

 #8
20220281806
2022-09-08

High purity 2-naphthylacetonitrile and method for producing same

 #9
20220009880
2022-01-13

High purity 2-naphthylacetonitrile and method for producing same

 #10
20210276947
2021-09-09

Processes for preparing 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile and for preparing sulindac

 #11
20210253516
2021-08-19

Systems and methods for producing nitriles

 #12
20210253515
2021-08-19

SYSTEMS AND METHODS FOR PRODUCING NITRILES

 #13
20210146343
2021-05-20

Method for producing catalyst and method for producing unsaturated nitrile

 #14
20210139408
2021-05-13

Method for preparing dicyanoalkane and bis(aminomethyl) alkane

 #15
20210032191
2021-02-04

Production method for 1,4-cyclohexanedicarboxylic acid derivative, 1,4-dicyanocyclohexane and 1,4-bis(aminomethyl)cyclohexane

 #16
20210024445
2021-01-28

Production method for cyclohexanedicarboxylic acid compound, dicyanocyclohexane compound and bis(aminomethyl)cyclohexane compound

 #17
20200392072
2020-12-17

Method for producing dicyanocyclohexane and bis(aminomethyl)cyclohexane

 #18
20200165195
2020-05-28

Production method for dicyanocyclohexane

 #19
20190330400
2019-10-31

Emulsion polymerization of nitriles and other compounds

 #20
20190225572
2019-07-25

Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acid

 #21
20180346411
2018-12-06

Systems and methods for producing nitriles

 #22
20160016153
2016-01-21

Gas-phase and liquid-gas-phase nitrilation process

 #23
20140357880
2014-12-04

Method for cleaving unsaturated fatty chains

 #24
20140323684
2014-10-30

Amino acid preparation method comprising a step of hydroformylation of an unsaturated fatty nitrile

 #25
20140148607
2014-05-29

Process for synthesizing omega-functionalized acids from fatty acids or fatty esters

 #26
20130324694
2013-12-05

Processes for producing hexamethylenediamine (HMD), adiponitrile (ADN), adipamide (ADM) and derivatives thereof

 #27
20130197270
2013-08-01

Method for producing trans-1,4-bis(aminomethyl) cyclohexane

 #28
20130197269
2013-08-01

Method for producing bis(aminomethyl)cyclohexanes

 #29
20130172519
2013-07-04

Processes for producing diaminobutane (DAB), succinic dinitrile (SDN) and succinamide (DAM)

 #30
20130144028
2013-06-06

PROCESSES FOR PRODUCING DIAMINOBUTANE (DAB), SUCCINIC DINITRILE (SDN) AND SUCCINAMIDE (DAM)

 #31
20110300590
2011-12-08

Method for synthesizing an ω-amino acid or ester from a monounsaturated fatty acid or ester

 #32
20110190541
2011-08-04

METHOD FOR THE SYNTHESIS OF HIGH PURITY PRIMARY DIAMINES AND/OR TRIAMINES

 #33
20090054677
2009-02-26

Process for producing aliphatic nitriles

 #34
20080289247
2008-11-27

Biofuels containing nitrile moieties

 #35
20070265462
2007-11-15

Method for producing amino- or hydroxybenzonitriles

 #36
20070161813
2007-07-12

Process for preparing nitriles and isonitriles by dehydration reactions with propanephosphonic anhydrides

 #37
20050059836
2005-03-17

Method of producing aliphatic nitrile