ClassID:

91780

C07C51/31 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting

Sub-classes:
Recent Application in this class:
#1
20260117039
2026-04-30

UPCYCLING WASTE POLYSTYRENE TO ADIPIC ACID THROUGH A HYBRID CHEMICAL AND BIOLOGICAL PROCESS

#2
20250282701
2025-09-11

A PROCESS FOR THE DIRECT CONVERSION OF SUGAR TO VALUE ADDED PRODUCTS

#3
20250230118
2025-07-17

TWO-STAGE PROCESS FOR PRODUCING TETRAALKYL 1,2,3,4 BUTANETETRACARBOXYLATES

#4
20240343668
2024-10-17

METHOD FOR PREPARING LINEAR HYDROCARBON DOUBLE ACID WITH CYCLIC HYDROCARBON OXIDATION CATALYST

#5
20240228696
2024-07-11

METHODS FOR THE PRODUCTION OF SUCCINIC ACID FROM SUGARS

#6
20240034708
2024-02-01

HIGH PURITY HYDROXYCARBOXYLIC ACID COMPOSITIONS AND METHODS OF MAKING SAME

#7
20220259132
2022-08-18

Method for producing propionic acid derivative

#8
20210154647
2021-05-27

Catalyst for catalytic oxidation of furfural to prepare maleic acid and application thereof

#9
20210147331
2021-05-20

Method for producing dicarboxylic acid

#10
20210129118
2021-05-06

Catalyst for catalytic oxidation of furfural for preparation of maleic acid, preparation method and use thereof

#11
20210070686
2021-03-11

METHODS OF MAKING POLYFUNCTIONAL POLYFLUORINATED COMPOUNDS

#12
20210040025
2021-02-11

Method for oxidation of cycloalkanes

#13
20190382328
2019-12-19

Conversion of wood based hemicellulose prehydrolysate succinic acid using a heterogeneous acid catalayst in a biphasic system

#14
20190194221
2019-06-27

Hydrogenated Diels-Alder adducts and lactone compounds

#15
20190177292
2019-06-13

Energy-efficient and environmentally friendly process for the production of target chemical compounds from cellulosic material

#16
20170355710
2017-12-14

Process for the preparation of a benzene compound

#17
20170233359
2017-08-17

Energy-efficient and environmentally friendly process for the production of target chemical compounds from cellulosic material

#18
20170158593
2017-06-08

Production of Adipic Acid and Derivatives from Carbohydrate-Containing Materials

#19
20170120223
2017-05-04

Porous shaped metal-carbon products

#20
20170113993
2017-04-27

ORGANIC ACIDS FROM HOMOCITRATE AND HOMOCITRATE DERIVATIVES

#21
20170073293
2017-03-16

OXIDATION OF SOLIDS BIO-CHAR FROM LEVULINIC ACID PROCESSES

#22
20170073292
2017-03-16

SYNTHESIS OF DIKETONE COMPOUNDS FROM CARBOHYDRATES

#23
20160135452
2016-05-19

Methods to convert lignin to phenolic and carboxylate compounds

#24
20160075676
2016-03-17

Production of adipic acid and derivatives from carbohydrate-containing materials

#25
20150246865
2015-09-03

PROCESS FOR MAKING LEVULINIC ACID

#26
20150232438
2015-08-20

Process for improved seaweed biomass conversion for fuel intermediates, agricultural nutrients and fresh water

#27
20150218078
2015-08-06

Chemical intermediates by catalytic fast pyrolysis process

#28
20150045587
2015-02-12

Process for producing phenol

#29
20140316159
2014-10-23

PROCESS FOR MAKING LEVULINIC ACID

#30
20140296581
2014-10-02

Process for producing phenol

#31
20140256982
2014-09-11

Production of adipic acid and derivatives from carbohydrate-containing materials

#32
20140256981
2014-09-11

Cyclohexanol, method for producing cyclohexanol, and method for producing adipic acid

#33
20140107306
2014-04-17

Chemical intermediates by catalytic fast pyrolysis process

#34
20140100384
2014-04-10

Aromatic acylation with cyclic anhydride for plasticizer production

#35
20140100383
2014-04-10

Aromatic acylation with cyclic anhydride for plasticizer production

#36
20140018569
2014-01-16

Method for manufacturing benzenetetracarboxylic acid

#37
20130131379
2013-05-23

METHOD FOR PREPARING CARBOXYLIC ACIDS BY OXIDATIVE CLEAVAGE OF A VICINAL DIOL

#38
20110160371
2011-06-30

Aromatic acylation with cyclic anhydride for plasticizer production

#39
20100317823
2010-12-16

Production of adipic acid and derivatives from carbohydrate-containing materials

#40
20100056824
2010-03-04

METHOD FOR PREPARATION OF 1,2,3,4-BENZENETETRACARBOXYLIC ACID

#41
20090124827
2009-05-14

Method for producing tetracarboxylic acids

#42
20090029903
2009-01-29

1,1′-(1,2-ethynediyl)bis-benzene derivatives as PTP 1-B inhibitors

#43
20080227984
2008-09-18

Selective Oxidation of Organic Compounds

#44
20060122344
2006-06-08

Organometallic fluorenyl compounds, preparations, and use

#45
20060106251
2006-05-18

Process for producing carboxylic acids

#46
20050234260
2005-10-20

Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes

#47
20050222455
2005-10-06

Method for producing 3-hydroxy-2-methylbenzoic acid

#48
20050215817
2005-09-29

Method for producing carboxylic acid