ClassID:

91752

C07C51/08 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Recent Application in this class:
#1
20240059636
2024-02-22

PROCESS OF MAKING ORGANIC COMPOUNDS

#2
20230338313
2023-10-26

PROCESS TO PREPARE TREPROSTINIL, THE ACTIVE INGREDIENT IN REMODULIN®

#3
20220267244
2022-08-25

Process for producing dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylate

#4
20220204435
2022-06-30

Process for preparing 3-hydroxy-3-methylbutyric acid (HMB) and salts thereof

#5
20220194885
2022-06-23

Method of making perfluorocyclobutane-containing monomer

#6
20210403406
2021-12-30

Process for preparing 2,6-dialkylphenylacetic acids

#7
20210284602
2021-09-16

2-(4-chloro-2,6-dimethyl-phenyl)propanedinitrile

#8
20210147335
2021-05-20

Fenfluramine compositions and methods of preparing the same

#9
20210114962
2021-04-22

Continuous flow synthesis of ibuprofen

#10
20210078941
2021-03-18

Method For Preparing Substituted Phenylacetic Acid Derivative

#11
20200283374
2020-09-10

Process and intermediate

#12
20200030271
2020-01-30

Process to prepare treprostinil, the active ingredient in Remodulin®

#13
20190284124
2019-09-19

Fenfluramine compositions and methods of preparing the same

#14
20190263752
2019-08-29

Process for the preparation of phenylmalonic acid dinitriles

#15
20190070599
2019-03-07

Method for removing perfluorinated alkanoic acids

#16
20190031589
2019-01-31

Process for preparation of prostacyclin derivatives

#17
20180327343
2018-11-15

Compositions and methods for preparing β,γ-unsaturated acids

#18
20180148403
2018-05-31

Fenfluramine compositions and methods of preparing the same

#19
20180079713
2018-03-22

Thermal conversion vessel used in a process for amidification of acetone cyanohydrin

#20
20170181990
2017-06-29

Process to prepare treprostinil, the active ingredient in remodulin®

#21
20170174613
2017-06-22

Fenfluramine compositions and methods of preparing the same

#22
20170144958
2017-05-25

Process to prepare treprostinil, the active ingredient in Remodulin®

#23
20170144957
2017-05-25

Process to prepare treprostinil, the active ingredient in Remodulin®

#24
20160311747
2016-10-27

Process for providing dihalogen substituted salicylic acid derivatives

#25
20160200672
2016-07-14

NEW PROCESS

#26
20160137590
2016-05-19

Thermal conversion vessel used in a process for amidification of acetone cyanohydrin

#27
20150376106
2015-12-31

Process to prepare treprostinil, the active ingredient in remodulin®

#28
20150299091
2015-10-22

Process to prepare treprostinil, the active ingredient in Remodulin®

#29
20150073193
2015-03-12

Process for nitrile removal from hydrocarbon feeds

#30
20150045577
2015-02-12

Method for hydrolysing acetone cyanohydrin

#31
20140378696
2014-12-25

Process for the preparation of derivatives of 1-(2-fluoro[1,1'-biphenyl]-4-yl)-cyclopropanecarboxylic acid

#32
20140364648
2014-12-11

Ether-amide compounds and preparation and uses thereof

#33
20140336405
2014-11-13

Process for preparing spiro[2.5]octane-5,7-dione

#34
20140336403
2014-11-13

PROCESS

#35
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

#36
20140094613
2014-04-03

PROCESS FOR PRODUCING 3-ALKOXY-2-AMINO-6-FLUOROBICYCLO [3.1.0] HEXANE-2,6-DICARBOXYLIC ACID DERIVATIVE AND INTERMEDIATE THEREOF

#37
20140012033
2014-01-09

Method for preparing difluoroacetonitrile and the derivatives thereof

#38
20130289304
2013-10-31

Process to prepare treprostinil, the active ingredient in remodulin®

#39
20130267734
2013-10-10

Process to prepare treprostinil

#40
20130253192
2013-09-26

Method for producing antifolate agents having glutamic acid part in their structure

#41
20130231494
2013-09-05

Method of making fluorinated alkoxy carboxylic acids and precursors thereof

#42
20130216486
2013-08-22

Synthesis of cyclohexane derivatives useful as sensates in consumer products

#43
20130210091
2013-08-15

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

#44
20130053581
2013-02-28

Intermediates for the synthesis of benzindene prostaglandins and preparations thereof

#45
20130018201
2013-01-17

Process for the preparation of cyclohexanecarboxylic acid derivatives

#46
20120283470
2012-11-08

Process to prepare treprostinil, the active ingredient in Remodulin®

#47
20120238763
2012-09-20

Process for producing 3-alkoxy-2-amino-6-fluorobicyclo [3.1.0] hexane-2,6-dicarboxylic acid derivative and intermediate thereof

#48
20120094344
2012-04-19

Method for producing glycolic acid

#49
20120071683
2012-03-22

New Process

#50
20110319653
2011-12-29

Intermediate of cilastatin and preparation method thereof

#51
20110263898
2011-10-27

Ether-amide compounds and preparation and uses thereof

#52
20110245520
2011-10-06

Method of making fluorinated alkoxy carboxylic acids and precursors thereof

#53
20110040115
2011-02-17

INTERMEDIATES AND PROCESS FOR THE PREPARATION OF AROMATIC DERIVATIVES OF 1-ADAMANTANE

#54
20100221948
2010-09-02

LABELLING ASSEMBLY

#55
20100145091
2010-06-10

Conversion of nitrile compounds into corresponding carboxylic acids and esters

#56
20100076080
2010-03-25

Synthesis of cyclohexane derivatives useful as sensates in consumer products

#57
20090326260
2009-12-31

Conversion of nitrile compounds into carboxylic acids and corresponding esters thereof

#58
20090259065
2009-10-15

Methods of making organic compounds by metathesis and hydrocyanation

#59
20090253927
2009-10-08

Process for cyclohexanecarboxylic acid derivatives

#60
20090163738
2009-06-25

Process to prepare treprostinil, the active ingredient in remodulin

#61
20090118541
2009-05-07

Method for producing glycolic acid

#62
20090082587
2009-03-26

Process for chemical reactions involving cyanohydrins

#63
20080249137
2008-10-09

PPAR active compounds

#64
20080233621
2008-09-25

Method For Producing Alcohol and Carboxylic Acid Having Optical Activity

#65
20080146839
2008-06-19

Method for Producing 5-Halo-2,4,6-Trifluoroisophthalic Acid

#66
20080027244
2008-01-31

Method for Manufacturing Aromatic Dicarboxylic Acid

#67
20070213556
2007-09-13

Process for the production of [2-(4-fluoro-benzyl)-phenyl]-acetic acid

#68
20070173664
2007-07-26

Method for producing alpha-hydroxycarboxylic acids and the esters thereof

#69
20070161820
2007-07-12

Simultaneous recovery and continuous extraction of substantially pure carboxylic acids and ammonium salts from acid hydrolysis reaction mixtures

#70
20060111586
2006-05-25

Process for chemical reactions involving cyanohydrins

#71
20050240057
2005-10-27

Method for preparing indan-1,3-dicarboxylic acid

#72
20050090691
2005-04-28

Halogen-containing aromatic compound