ClassID:

91751

C07C51/06 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides

Recent Application in this class:
#1
20240351978
2024-10-24

METHOD FOR MANUFACTURING AROMATIC NITRILE COMPOUND

#2
20240010604
2024-01-11

OPTIMIZED PROCESS FOR SYNTHESIZING METHACRYLIC ACID (MAA) AND/OR ALKYL METHACRYLATE BY REDUCING UNWANTED BYPRODUCTS

#3
20230416184
2023-12-28

OPTIMIZED PROCESS FOR SYNTHESIZING ALKYL METHACRYLATE BY REDUCING UNWANTED BYPRODUCTS

#4
20230399286
2023-12-14

IMPROVED PROCESS FOR PREPARING METHYL METHACRYLATE AND/OR METHACRYLIC ACID BY REDUCED BACK MIXING DURING CONVERSION

#5
20210078940
2021-03-18

Method for manufacturing aromatic nitrile compound

#6
20200399196
2020-12-24

Hydrogen Bond Directed Photocatalytic Hydrodefluorination and Methods of Use Thereof

#7
20200071262
2020-03-05

Method for producing adipamide as intermediate for production of raw material for bio-based nylon

#8
20200031754
2020-01-30

Method of producing methyl methacrylate or methacrylic acid

#9
20190292134
2019-09-26

Process for producing long chain amino acids and dibasic acids

#10
20190016668
2019-01-17

Process for the co-production of long chain amino acids and dibasic acids

#11
20180326410
2018-11-15

Method for catalytic synthesis of cinnamic acid with catalyst recycle

#12
20180326409
2018-11-15

Method for making and using a solid-supported catalyst

#13
20180215626
2018-08-02

Installation and process for the preparation of hydrogen cyanide

#14
20180200706
2018-07-19

Palladium(II)-silica supported catalyst

#15
20170247328
2017-08-31

Process for the preparation of [[2(S)-[[4(R)-(3-hydroxyphenyl)-3(R),4-dimethyl-1-piperidinyl]methyl]-1-oxo-3-phenylpropyl]amino]acetic acid dihydrate

#16
20170096621
2017-04-06

A METHOD OF PREVENTING POLYMER TAR BUILD-UP IN ACH PRODUCTION OF MMA AND MAA

#17
20160251299
2016-09-01

Hydrolysis vessel used in a process for amidification of acetone cyanohydrin

#18
20160194212
2016-07-07

Installation and process for the preparation of hydrogen cyanide

#19
20160060201
2016-03-03

Homochiral metal-organic framework with enantiopure pillar[5]arene active domains

#20
20150361034
2015-12-17

NEW PROCESS

#21
20150259272
2015-09-17

Process for producing MMA and/or MAA from acetone cyanohydrin and sulfuric acid

#22
20150148543
2015-05-28

Methods and compositions for the synthesis of multimerizing agents

#23
20150073193
2015-03-12

Process for nitrile removal from hydrocarbon feeds

#24
20150045577
2015-02-12

Method for hydrolysing acetone cyanohydrin

#25
20140171649
2014-06-19

Methods and compositions for the synthesis of multimerizing agents

#26
20140142337
2014-05-22

1-AMINO-2-VINYLCYCLOPROPANE CARBOXYLIC ACID AMIDE AND SALT THEREOF, AND METHOD FOR PRODUCING SAME

#27
20140135521
2014-05-15

METHOD FOR PRODUCING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS

#28
20140018566
2014-01-16

PALLADIUM(II)-CATALYZED SELECTIVE FLUORINATION OF BENZOIC ACIDS AND DERIVATIVES

#29
20130197257
2013-08-01

NEW PROCESS

#30
20130018201
2013-01-17

Process for the preparation of cyclohexanecarboxylic acid derivatives

#31
20120101296
2012-04-26

Method for preparing tricyclic derivatives

#32
20120071683
2012-03-22

New Process

#33
20120004460
2012-01-05

Method for producing methacrylic acid

#34
20110077424
2011-03-31

Process for recovering valued compounds from a stream derived from purification of methyl methacrylate

#35
20100331572
2010-12-30

METHOD FOR PRODUCING METHACRYLIC ACID

#36
20100314239
2010-12-16

Method for purifying methacrylic acid

#37
20090299023
2009-12-03

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

#38
20090270649
2009-10-29

Process for alkaline hydrolysis of carboxylic acid derivatives to carboxylic acids

#39
20090253928
2009-10-08

Preparation for a cyclohexanecarboxylic acid derivative and intermediates

#40
20090253927
2009-10-08

Process for cyclohexanecarboxylic acid derivatives

#41
20090118542
2009-05-07

Process for Production of Optically Active Carboxlic Acid Compound

#42
20090082587
2009-03-26

Process for chemical reactions involving cyanohydrins

#43
20080021241
2008-01-24

Process for production of methacrylic acid

#44
20070173664
2007-07-26

Method for producing alpha-hydroxycarboxylic acids and the esters thereof

#45
20060241310
2006-10-26

V-P-Si composite oxide catalyst precursor used for producing maleic anhydride from butance

#46
20060223853
2006-10-05

Substituted heterocyclic compounds for treating multidrug resistance

#47
20060223152
2006-10-05

Optically active 2-allylcarboxylic acid derivative and process for producing the same

#48
20060111586
2006-05-25

Process for chemical reactions involving cyanohydrins

#49
20060041169
2006-02-23

Preparation of N-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoyl amides

#50
16151647
2019-09-17

Method for manufacturing adipic acid using biomass

#51
15644708
2018-09-04

Process for producing long chain amino acids and dibasic acids