Patents-Review.com
ClassID:

93023 ⎘

C07C253/32 - CPC Classification

Classification description:

Preparation of carboxylic acid nitriles Separation; Purification; Stabilisation; Use of additives

Sub-classes:
Recent Application in this class:
#1
20250235392
2025-07-24

COSMETIC OR DERMATOLOGICAL COMPOSITION COMPRISING A MEROCYANINE AND A GAMMA-BUTYROLACTONE AND/OR A GAMMA-BUTYROLACTAM

 #2
20230159440
2023-05-25

COMPOSITIONS AND METHODS TO INHIBIT FOULING OF AMMONIUM SALTS

 #3
20210017100
2021-01-21

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

 #4
20200207694
2020-07-02

Fluorination of acrylate esters and derivatives

 #5
20200148610
2020-05-14

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

 #6
20200031752
2020-01-30

FLUORINATION OF ACRYLATE ESTERS AND DERIVATIVES

 #7
20190241496
2019-08-08

Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes

 #8
20190161428
2019-05-30

Fluorination of acrylate esters and derivatives

 #9
20190023642
2019-01-24

Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes

 #10
20180099918
2018-04-12

Fluorination of acrylate esters and derivatives

 #11
20170217850
2017-08-03

ORGANIC REACTIONS CARRIED OUT IN AQUEOUS SOLUTION IN THE PRESENCE OF A HYDROXYALKYL(ALKYL)CELLULOSE OR AN ALKYLCELLULOSE

 #12
20170158621
2017-06-08

SUBSTITUTED PHENOL DERIVATIVES FOR MITIGATING FOULING

 #13
20170036985
2017-02-09

Fluorination of acrylate esters and derivatives

 #14
20160244398
2016-08-25

Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes

 #15
20160075640
2016-03-17

Process for the preparation of 2-cyano-3,3-diarylacrylates

 #16
20150329480
2015-11-19

On-line analysis of acrylonitrile product

 #17
20150284319
2015-10-08

Fluorination of acrylate esters and derivatives

 #18
20140296582
2014-10-02

Method for preventing decrease in optical purity

 #19
20140163196
2014-06-12

Process for preparing amino acids or esters comprising a metathesis step

 #20
20120203020
2012-08-09

Multi-component polymerization inhibitors for ethylenically unsaturated monomers

 #21
20100168434
2010-07-01

INHIBITION OF POLYMERISATION

 #22
20100125147
2010-05-20

Dispersant antifoulant for acrylonitrile

 #23
20100094040
2010-04-15

Process for preparing alkali metal or alkaline earth metal tricyanomethanides

 #24
20090240092
2009-09-24

ORTHO-NITROSOPHENOLS AS POLYMERIZATION INHIBITORS

 #25
20090082587
2009-03-26

Process for chemical reactions involving cyanohydrins

 #26
20090018360
2009-01-15

PROCESS FOR PREPARATION OF ALKYL AND ALCOXYALKYL-ALPHA-CYANOACRYLATES BY DEPOLYMERISATION OF POLY(ALKYL-ALPHA CYANOACRYLATES) OR POLY(ALCOXYALKYL-ALPHA-CYANOACRYLATES) AND ITS USAGE AS TECHNICAL AND/OR MEDICAL ADHESIVE

 #27
20080319220
2008-12-25

Preparation of both hexamethylene diamine and aminocapronitrile

 #28
20080083607
2008-04-10

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

 #29
20070037999
2007-02-15

Method for isolating a homogeneous catalyst containing rhodium

 #30
20060283699
2006-12-21

Ortho-nitrosophenols as polymerization inhibitors

 #31
20060111586
2006-05-25

Process for chemical reactions involving cyanohydrins