ClassID:

91763

C07C51/16 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation

Sub-classes:
Recent Application in this class:
#1
20260132248
2026-05-14

PROCESS AND APPARATUS OF PRODUCTION OF AROMATIC DICARBOXYLIC ACID

#2
20260103562
2026-04-16

RECYCLED CONTENT PARAXYLENE FROM WASTE PLASTIC

#3
20260103435
2026-04-16

Methods of Synthesizing Corticiolic Acid

#4
20250376433
2025-12-11

SYSTEM AND METHOD FOR PRODUCTION OF SYNTHETIC FATTY ACIDS

#5
20250340501
2025-11-06

NON-THERMAL PLASMA CATALYTIC CONVERSION OF BIOGAS TO ACETIC ACID AND METHANOL

#6
20250296902
2025-09-25

SYNTHETIC METHANOL HAVING LOW DEUTERIUM CONTENT FROM NON-FOSSIL RESOURCES

#7
20250257024
2025-08-14

METHOD FOR PREPARING CARONIC ACID AND DERIVATIVE THEREOF

#8
20250171584
2025-05-29

METHOD FOR PRODUCING CHEMICALLY RECYCLABLE POLY(VINYL ALCOHOL) COPOLYMER THROUGH RING-OPENING METATHESIS POLYMERIZATION OF CYCLOHEXENE DERIVATIVES

#9
20250163010
2025-05-22

PROCESSES FOR THE PREPARATION OF N-(1-METHYLCYCLOPROPYL)-2-(3-PYRIDINYL)-2H-INDAZOLE-4-CARBOXAMIDE AND INTERMEDIATES THEREOF

#10
20250010274
2025-01-09

CATALYST FOR METHACRYLIC ACID PRODUCTION, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING METHACRYLIC ACID AND METHACRYLIC ACID ESTERS USING CATALYST

#11
20240416328
2024-12-19

METHOD FOR PRODUCING CATALYST MOLDED ARTICLE USED WHEN PRODUCING alpha,beta-UNSATURATED CARBOXYLIC ACID, AND METHOD FOR PRODUCING alpha,beta-UNSATURATED CARBOXYLIC ACID AND alpha,beta-UNSATURATED CARBOXYLIC ACID ESTER USING SAME

#12
20240408586
2024-12-12

METHOD FOR PRODUCING CATALYST COMPACT FOR USE IN PRODUCING UNSATURATED CARBOXYLIC ACID, AND METHOD FOR PRODUCING UNSATURATED CARBOXYLIC ACID AND UNSATURATED CARBOXYLIC ESTER USING SAME

#13
20240286973
2024-08-29

Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

#14
20240158332
2024-05-16

METHOD FOR PRODUCING OXIDE AND METHOD FOR PRODUCING PT/BI COMPOSITE CATALYST

#15
20240025831
2024-01-25

Method for Producing Aldehyde

#16
20230420690
2023-12-28

Methods for producing alpha-keto acid and pyruvic acid

#17
20230416169
2023-12-28

Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

#18
20230312447
2023-10-05

METHOD OF PREPARING TRITERPENOID COMPOUND

#19
20230242470
2023-08-03

Acid-catalyzed photocatalyzed oxidation reaction of benzylic C—H bonds of aromatic compound

#20
20230212105
2023-07-06

FORMING ACETIC ACID BY THE SELECTIVE OXIDATION OF METHANE

#21
20230202958
2023-06-29

LIMITING ACETIC ACID PRODUCTION IN ETHANE ODH PROCESS

#22
20230151180
2023-05-18

RECYCLING OF POLYACETAL FOR THE PRODUCTION OF POLYOXYMETHYLENE DIALKYL ETHERS

#23
20230138638
2023-05-04

Method for producing hydrogen and carboxylic acid

#24
20220395803
2022-12-15

Strengthening oxidation system of external micro-interfacial unit for producing PTA with PX

#25
20220289868
2022-09-15

CELLULOSE ESTER COMPOSITIONS DERIVED FROM RECYCLED CELLULOSE ESTER CONTENT SYNGAS

#26
20220193640
2022-06-23

ALDEHYDE BYPRODUCT REDUCTION IN ACRYLIC ACID PRODUCTION USING HIGHLY ACTIVE AND ELECTIVE CATALYSTS

#27
20220081370
2022-03-17

Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

#28
20220048018
2022-02-17

Thin film based photocatalyst device for hydrogen generation and alcohols oxidation in direct sunlight

#29
20210403395
2021-12-30

Method for producing oxidation reaction product of hydrocarbon or derivative thereof

#30
20210316279
2021-10-14

Selective oxidation catalyst and a method for oxidizing Chydrocarbons in the presence of the selective oxidation catalyst

#31
20210197172
2021-07-01

REGENERATIVE ADSORBENTS OF MODIFIED AMINES ON SOLID SUPPORTS

#32
20210129118
2021-05-06

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

#33
20210114964
2021-04-22

Method for the production of 2,4-dihydroxybutyric acid

#34
20210057758
2021-02-25

Methods for producing alpha-keto acid and pyruvic acid

#35
20210045414
2021-02-18

Process of producing alpha-hydroxy compounds and uses thereof

#36
20200377453
2020-12-03

Method for producing oxidation reaction product of hydrocarbon or derivative thereof, and method for producing oxidation reaction product of olefin

#37
20200308092
2020-10-01

Preparation and separation of a di-carboxylic acid-containing mixture

#38
20200290028
2020-09-17

Vinylpyridine resin for catalyst supports, production method therefor, and catalyst for methanol carbonylation reaction

#39
20200270191
2020-08-27

Synthesis of bicyclo[2.2.2]octane derivatives

#40
20200262778
2020-08-20

PROCESS FOR PRODUCTION OF ALLYL ALCOHOL

#41
20200216379
2020-07-09

Processes for preparing 2,5-dichlorophenol

#42
20200086301
2020-03-19

Catalyst

#43
20200002260
2020-01-02

Method for the production of 2,4-dihydroxybutyric acid

#44
20190322611
2019-10-24

Method for preparing maleate by selective catalytic oxidation of lignin

#45
20190315672
2019-10-17

PRODUCTION OF ACETIC ACID AND HYDROGEN IN AN AQUEOUS MEDIUM FROM ETHANOL AND ACETALDEHYDE VIA AN ORGANIC/INORGANIC CATALYST

#46
20190308175
2019-10-10

Methods of forming and using metal alloy oxidative catalysts

#47
20190248728
2019-08-15

Preparation of 2,5,6-trihydroxy-3-hexenoic acid and 2,5-dihydroxy-3-pentenoic acid and esters thereof from C6 and C5 sugars

#48
20190177347
2019-06-13

Ladderane lipid compounds and liposomes and methods of preparing and using the same

#49
20190168185
2019-06-06

Regenerative adsorbents of modified amines on solid supports

#50
20190119191
2019-04-25

PROCESS FOR CONVERTING PLASTIC INTO WAXES BY CATALYTIC CRACKING AND A MIXTURE OF HYDROCARBONS OBTAINED THEREBY

#51
20180237677
2018-08-23

Graphene oxide-nanodiamond composite, manufacturing method thereof, and nanofluid including the same

#52
20180236432
2018-08-23

Complex comprising oxidative dehydrogenation unit

#53
20180194708
2018-07-12

Preparation of 2,5,6-trihydroxy-3-hexenoic acid and 2,5-dihydroxy-3-pentenoic acid and esters thereof from C6 and C5 sugars

#54
20180186719
2018-07-05

Purified terephthalic acid (PTA) vent steam utilization

#55
20180186718
2018-07-05

Purified terephthalic acid (PTA) vent dryer vapor effluent treatment

#56
20180179141
2018-06-28

Selective aerobic oxidation of dimethylbiphenyls

#57
20180179138
2018-06-28

Selective aerobic oxidation of dimethylbiphenyls

#58
20180162798
2018-06-14

Method for the production of 2,4-dihydroxybutyric acid

#59
20180086688
2018-03-29

Preparation and separation of a di-carboxylic acid-containing mixture

#60
20180072648
2018-03-15

Optimized liquid-phase oxidation

#61
20180044277
2018-02-15

Continuous process of oxidative cleavage of vegetable oils

#62
20180037532
2018-02-08

Recovery process for functionalized compound reaction product

#63
20180029018
2018-02-01

Catalyst for manufacturing unsaturated aldehyde and/or unsaturated carboxylic acid and manufacturing method of same, and manufacturing method of unsaturated aldehyde and/or unsaturated carboxylic acid

#64
20170360037
2017-12-21

3′-substituted-abscisic acid derivatives

#65
20170313650
2017-11-02

Synthetic building blocks for the production of materials for organic electroluminescence devices

#66
20170283357
2017-10-05

Acrylic acid production equipment, method for producing acrylic acid, and method for stopping production of acrylic acid in said method for producing acrylic acid

#67
20170253723
2017-09-07

Plasticizers production and use

#68
20170240497
2017-08-24

Paraxylene extraction of purification mother liquor with heat integration

#69
20170240420
2017-08-24

Production of hydrogen gas and calcium carbonate from formaldehyde

#70
20170226028
2017-08-10

Methods for conversion of ethanol to functionalized lower hydrocarbons and downstream hydrocarbons

#71
20170217870
2017-08-03

Highly robust efficient catalyst for selective dehydrogenation of neat glycerol to lactic acid

#72
20170190682
2017-07-06

PROCESSES AND APPARATUS FOR PRODUCING FURFURAL, LEVULINIC ACID, AND OTHER SUGAR-DERIVED PRODUCTS FROM BIOMASS

#73
20170136447
2017-05-18

Treatment of a mixed metal oxide catalyst containing molybdenum, vanadium, niobium and optionally tellurium

#74
20170129913
2017-05-11

Crystalline microporous material mediated conversion of C1-3 oxygenate compounds to C4 oxygenate compounds

#75
20170106346
2017-04-20

Complex comprising oxidative dehydrogenation unit

#76
20170008824
2017-01-12

Process for producing 2,5-dihalophenolethers

#77
20160368837
2016-12-22

Methods of producing para-xylene and terephthalic acid

#78
20160362357
2016-12-15

Methods of producing para-xylene and terephthalic acid

#79
20160347905
2016-12-01

Production method for carbonate compound and methacrylate or ester thereof

#80
20160326083
2016-11-10

Aldehyde oxidation processes

#81
20160304788
2016-10-20

BIOMASS-DERIVED CHEMICAL INTERMEDIATES

#82
20160297844
2016-10-13

Dehydrogenation catalyst, and carbonyl compound and hydrogen production method using said catalyst

#83
20160264875
2016-09-15

CONTINUOUS LIGNIN CONVERSION PROCESS

#84
20160244394
2016-08-25

Continuous process of oxidative cleavage of vegetable oils

#85
20160207865
2016-07-21

Process for manufacturing acrylic acid, acrylonitrile and 1,4-butanediol from 1,3-propanediol

#86
20160200658
2016-07-14

Process for recovering water, metal and organics from the production of polycarboxylic acid

#87
20160199810
2016-07-14

Regenerative adsorbents of modified amines on solid supports

#88
20160152648
2016-06-02

Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof

#89
20160145185
2016-05-26

Method for continuously recovering (meth)acrylic acid and apparatus for the method

#90
20160145180
2016-05-26

Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid

#91
20160122275
2016-05-05

Retro-aldol reaction products and methods of making and using same

#92
20160115091
2016-04-28

Treatment of Carbonaceous Feedstocks

#93
20160046873
2016-02-18

Methods of deoxygenating bio-based material and production of bio-based terephtalic acid and olefinic monomers

#94
20160046563
2016-02-18

Synthetic building blocks for the production of materials for organic electroluminescence devices

#95
20160023981
2016-01-28

Production of acrylic acid and ethanol from carbonaceous materials

#96
20160007598
2016-01-14

3′-substituted-abscisic acid derivatives

#97
20150360191
2015-12-17

Plant and process for performance of heterogeneously catalyzed gas phase reactions

#98
20150353466
2015-12-10

Production of acrylic acid

#99
20150344393
2015-12-03

Production of acrylic acid

#100
20150210607
2015-07-30

Use of byproduct acetic acid from oxidative methods of making acrylic acid and/or methacrylic acid

#101
20150183694
2015-07-02

Dehydrogenation of alkanols to increase yield of aromatics

#102
20150166451
2015-06-18

Aldehyde oxidation processes

#103
20150148560
2015-05-28

Polyhydroxyalkanoate derivatives, preparation and uses thereof

#104
20150141695
2015-05-21

METHODS OF PRODUCING PARA-XYLENE AND TEREPHTHALIC ACID

#105
20150133627
2015-05-14

Methods of preparing para-xylene from biomass

#106
20150099898
2015-04-09

PROCESS FOR REMOVING AMIDE IMPURITIES IN AROMATIC CARBOXYLIC ACIDS

#107
20150094489
2015-04-02

Method for reacting glycerin to form organic salts

#108
20150080606
2015-03-19

Methods for preparing methacrylic acid from biobased starting materials

#109
20150080546
2015-03-19

Production and Use of 3,4' and 4,4'-Dimethylbiphenyl Isomers

#110
20150080545
2015-03-19

Production and use of 3,4' and 4,4'-dimethylbiphenyl isomers

#111
20150065339
2015-03-05

Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof

#112
20150005521
2015-01-01

Continuous process of oxidative cleavage of vegetable oils

#113
20140357711
2014-12-04

Amooranin compounds and analogs thereof and related methods of use

#114
20140356918
2014-12-04

Process for synthesizing bifunctional hydrocarbon-based compounds from biomass

#115
20140350294
2014-11-27

Methods of producing para-xylene and terephthalic acid

#116
20140336411
2014-11-13

Catalyst for the oxidation of hydrocarbons consisting of molybdenum, vanadium, niobium, tellurium, manganese and cobalt

#117
20140316160
2014-10-23

Catalyst for methacrylic acid production and process for producing methacrylic acid

#118
20140275619
2014-09-18

Process for Producing Acetic Acid and/or Ethanol By Methane Oxidation

#119
20140256979
2014-09-11

PROCESS FOR CONVERTING GASEOUS PRODUCTS

#120
20140256977
2014-09-11

Method for producing silica-supported catalyst, and method for producing unsaturated carboxylic acid or unsaturated nitrile

#121
20140235892
2014-08-21

Process for the preparation of a benzene derivative

#122
20140213811
2014-07-31

Process of dehydration reactions

#123
20140206831
2014-07-24

Processes for making acrylic-type monomers and products made therefrom

#124
20140171679
2014-06-19

Oxidation and crystallization process for aromatic carboxylic acid production

#125
20140121406
2014-05-01

PURE PLANT MOTHER LIQUOR SOLVENT EXTRACTION SYSTEM AND METHOD

#126
20140105792
2014-04-17

Process for continuous recovering (meth) acrylic acid and apparatus for the process

#127
20140088323
2014-03-27

Method for manufacturing polyoxyethylene alkyl ether acetic acid

#128
20140051140
2014-02-20

Process of biologically producing a p-hydroxybenzoic acid

#129
20140024853
2014-01-23

Synthesis of Lactic Acid and Alkyl Lactate from Carbohydrate-Containing Materials

#130
20140018572
2014-01-16

Process for heterogeneously catalyzed gas phase partial oxidation of (meth)acrolein to (meth)acrylic acid

#131
20140012039
2014-01-09

Functionalization of organic molecules using metal-organic frameworks (MOFS) as catalysts

#132
20130324758
2013-12-05

Process for manufacturing acrolein/acrylic acid

#133
20130310601
2013-11-21

Hydrocarbon conversion process

#134
20130310586
2013-11-21

Synthesis of peretinoin

#135
20130280141
2013-10-24

OPTIMIZED LIQUID-PHASE OXIDATION

#136
20130274470
2013-10-17

Triazolium Carbene Catalysts and Stereoselective Bond Forming Reactions Thereof

#137
20130261323
2013-10-03

INTEGRATED METHODS OF PREPARING RENEWABLE CHEMICALS

#138
20130245316
2013-09-19

Methods of producing para-xylene

#139
20130217915
2013-08-22

Catalyst and method for producing acrylic acid

#140
20130211137
2013-08-15

DIRECT ACTIVATION OF METHANE

#141
20130211036
2013-08-15

Oxidation of alkylbenzenes

#142
20130205771
2013-08-15

Green treatment process for cleaning exhaust gas generated in air oxidation of benzene homologs

#143
20130204036
2013-08-08

Method for producing lactic acids from carbohydrate-containing raw material

#144
20130203984
2013-08-08

Oxidation of hydrocarbons

#145
20130190523
2013-07-25

Process for the preparation of oxidized phospholipids

#146
20130178650
2013-07-11

Hydrogen treatment of impure tall oil for the production of aromatic monomers

#147
20130172612
2013-07-04

Process for oxidizing alkyl-aromatic compounds

#148
20130172611
2013-07-04

Process for producing terephthalic acid

#149
20130172609
2013-07-04

PROCESS FOR OXIDIZING AN ALKYL-AROMATIC COMPOUND

#150
20130172577
2013-07-04

Process for producing a ringlike oxidic shaped body

#151
20130165690
2013-06-27

METHOD FOR MANUFACTURING POLYMER-GRADE BIO-BASED ACRYLIC ACID FROM GLYCEROL

#152
20130158283
2013-06-20

Process for the preparation of oxidized phospholipids

#153
20130131411
2013-05-23

Dehydrogenation of alkanols to increase yield of aromatics

#154
20130109884
2013-05-02

PROCESS FOR PRODUCING ALPHA-KETOCARBOXYLIC ACID

#155
20120323028
2012-12-20

Continuous process of oxidative cleavage of vegetable oils

#156
20120253067
2012-10-04

Catalyst system and process for converting glycerol to lactic acid

#157
20120130108
2012-05-24

PROCESS FOR THE PREPARATION OF OXIDIZED PHOSPHOLIPIDS

#158
20110288325
2011-11-24

Method for producing silica-supported catalyst, and method for producing unsaturated carboxylic acid or unsaturated nitrile

#159
20110224431
2011-09-15

Triazolium Carbene Catalysts and Stereoselective Bond Forming Reactions Thereof

#160
20110223629
2011-09-15

METHOD FOR DETERMINATION OF DELTA-D VALUES OF NON- EXCHANGEABLE HYDROGEN STABLE ISOTOPES ON ETHANOL' S METHYL GROUP BY MEANS OF IRMS INSTRUMENTAL TECHNIQUE

#161
20110217721
2011-09-08

Water soluble fluorescent quantum carbon dots

#162
20110172475
2011-07-14

Integrated methods of preparing renewable chemicals

#163
20110009548
2011-01-13

Oil based polyols or diacids esterified with oxo-acids or oxo-alcohols for producing plasticizers

#164
20100317881
2010-12-16

Process for the preparation of oxidized phospholipids

#165
20100150805
2010-06-17

HIGHLY STABLE AND REFRACTORY MATERIALS USED AS CATALYST SUPPORTS

#166
20100145095
2010-06-10

Optimized liquid-phase oxidation

#167
20100099906
2010-04-22

GENERATION OF ENDO- AND/OR EXO-NORBORNENECARBOXALDEHYDE AS AN INTERMEDIATE TO FUNCTIONALIZED NORBORNENES

#168
20100010238
2010-01-14

Process for producing a ringlike oxidic shaped body

#169
20090317575
2009-12-24

Enriched terephthalic acid composition

#170
20090272941
2009-11-05

Enriched terephthalic acid composition

#171
20090257930
2009-10-15

Optimized liquid-phase oxidation

#172
20090118539
2009-05-07

Generation of endo- and/or exo-norbornenecarboxaldehyde as an intermediate to functionalized norbornenes

#173
20090038211
2009-02-12

Synthetic fuel and method of preparation thereof

#174
20090026415
2009-01-29

Process to produce an enriched composition

#175
20080009650
2008-01-10

Process to produce an enrichment feed

#176
20070205153
2007-09-06

Process to produce a post catalyst removal composition

#177
20070185283
2007-08-09

Perdeuterated polyimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm

#178
20070185282
2007-08-09

Perdeuterated polyimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm-1

#179
20070167638
2007-07-19

Microchannel apparatus capable of separating phases and methods of using same

#180
20070112211
2007-05-17

Process for the preparation of oxidized phospholipids

#181
20070093674
2007-04-26

Process for the production of triiodotrimesic acid

#182
20060270863
2006-11-30

CONVERSION OF AMORPHA-4,11-DIENE TO ARTEMISININ AND ARTEMISININ PRECURSORS

#183
20060264666
2006-11-23

Enriched terephthalic acid composition

#184
20060264661
2006-11-23

Process to produce an enrichment feed

#185
20060264659
2006-11-23

Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone

#186
20060264658
2006-11-23

Process to produce an enriched composition

#187
20060264657
2006-11-23

Process to enrich a carboxylic acid composition

#188
20060173042
2006-08-03

Process for the preparation of fexofenadine

#189
20060116530
2006-06-01

Optimized liquid-phase oxidation

#190
20060063950
2006-03-23

Synthesis process for 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid

#191
20060047161
2006-03-02

Optimized liquid-phase oxidation

#192
20060004225
2006-01-05

Method for the production of acrylic acid from propane, in the absence of molecular oxygen

#193
20050239973
2005-10-27

Perdeuterated polyiimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500cm

#194
20050197387
2005-09-08

E2,E4,Z8-undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same

#195
20050182284
2005-08-18

Oligomerization of olefins

#196
20050113598
2005-05-26

Process for the production of triiodotrimesic acid

#197
20050090687
2005-04-28

Method for producing carboxylic acids by alcohol oxidation

#198
20050010062
2005-01-13

E2, E4, Z8-undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same

#199
17825490
2025-09-16

System and method for production of synthetic fatty acids

#200
14489262
2015-06-23

Method for producing terephthalic acid