ClassID:

91786

C07C51/36 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by hydrogenation of carbon-to-carbon unsaturated bonds

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

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

#2
20260035624
2026-02-05

RECYCLED CONTENT PARAXYLENE AND RELATED CHEMICAL COMPOUNDS FROM WASTE PLASTIC

#3
20250197338
2025-06-19

SYNTHESES OF COMPOUNDS USEFUL FOR PRODUCING TREPROSTINIL

#4
20240058797
2024-02-22

HYDROGENATION CATALYSTS AND METHOD FOR BENZOIC ACID HYDROGENATION REACTION

#5
20240026393
2024-01-25

EFFICIENT PRODUCTION OF CIS, CIS-MUCONIC ACID FROM MIXED SUBSTRATES OF GLUCOSE, D-XYLOSE AND L-ARABINOSE

#6
20230339828
2023-10-26

Renewable chemical production engaging metathesis and microbial oxidation

#7
20230099631
2023-03-30

PROCESS FOR THE SYNTHESIS OF S-BEFLUBUTAMID USING ASYMMETRIC HYDROGENATION

#8
20230049802
2023-02-16

METHOD FOR PRODUCING 1,4-CYCLOHEXANE DICARBOXYLIC ACID

#9
20220356131
2022-11-10

RENEWABLE CHEMICAL PRODUCTION ENGAGING METATHESIS AND MICROBIAL OXIDATION

#10
20220185835
2022-06-16

Synthesis and use of oxa-spirodiphosphine ligand

#11
20220127212
2022-04-28

Method for preparation of 1,4-cyclohexanedimethanol

#12
20220048846
2022-02-17

Metal salt of an alicyclic dicarboxylic acid having excellent dispersibility in polyolefin resin, production method for said metal salt of an alicyclic dicarboxylic acid, crystal nucleating agent for polyolefin resin containing said metal salt of an alicyclic dicarboxylic acid, crystal nucleating agent composition containing said crystal nucleating agent, polyolefin resin composition, and polyolefin resin molded article

#13
20220033618
2022-02-03

Process for preparing dialkyl 1,4-cyclohexanedicarboxylates

#14
20210291074
2021-09-23

Plant extract compositions for forming protective coatings

#15
20210187483
2021-06-24

CATALYST AND METHOD OF HYDROGENATING UNSATURATED COMPOUND WITH MULTI-CARBOXYLIC ACID GROUPS

#16
20210024445
2021-01-28

Production method for cyclohexanedicarboxylic acid compound, dicyanocyclohexane compound and bis(aminomethyl)cyclohexane compound

#17
20200369589
2020-11-26

PROCESS FOR HYDROGENATION OF PHTHALATE COMPOUND

#18
20200361846
2020-11-19

Process for hydrogenation of phthalate compound

#19
20200308206
2020-10-01

Synthesis and use of oxa-spirodiphosphine ligand

#20
20200231527
2020-07-23

Synthesis of organic acids from α-keto acids

#21
20200207694
2020-07-02

Fluorination of acrylate esters and derivatives

#22
20200100514
2020-04-02

Plant extract compositions for forming protective coatings

#23
20200031752
2020-01-30

FLUORINATION OF ACRYLATE ESTERS AND DERIVATIVES

#24
20190345090
2019-11-14

Catalysts, systems, and methods for the conversion of biomass to chemicals

#25
20190225912
2019-07-25

Preparation of vegetable-based stearic acid

#26
20190225572
2019-07-25

Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acid

#27
20190225568
2019-07-25

Method for preparing 1,3-cyclohexanedicarboxylic acid

#28
20190185404
2019-06-20

PROCESSES FOR THE HYDROGENATION OF PHTHALATE ESTERS

#29
20190161428
2019-05-30

Fluorination of acrylate esters and derivatives

#30
20190084918
2019-03-21

Eco-friendly process for hydrogenation or/and hydrodeoxygenation of organic compound using hydrous ruthenium oxide catalyst

#31
20190062251
2019-02-28

System and method for producing 1,4-cyclohexanedimethanol and 1,4- cyclohexanedicarboxylic acid from terephthalic acid

#32
20190031590
2019-01-31

Plant extract compositions for forming protective coatings

#33
20190016661
2019-01-17

Powdery 1,4-cyclohexanedicarboxylic acid

#34
20180291405
2018-10-11

Biomass conversion to fuels and chemicals

#35
20180222835
2018-08-09

Plant extract compositions for forming protective coatings

#36
20180186719
2018-07-05

Purified terephthalic acid (PTA) vent steam utilization

#37
20180186716
2018-07-05

Saturated branched chain fatty acid production method

#38
20180099918
2018-04-12

Fluorination of acrylate esters and derivatives

#39
20180044276
2018-02-15

Plant extract compositions for forming protective coatings

#40
20180022679
2018-01-25

Heterogeneous metal-free catalyst

#41
20170335031
2017-11-23

Polymers from muconic acid isomers and its derivatives

#42
20170291867
2017-10-12

Process for hydrogenation of benzenepolycarboxylic acids and derivatives thereof

#43
20170036985
2017-02-09

Fluorination of acrylate esters and derivatives

#44
20160311746
2016-10-27

METHOD OF PRODUCING ADIPIC ACID OR AT LEAST A RESULTANT PRODUCT THEREOF

#45
20160311739
2016-10-27

METHOD FOR PREPARING 1,6-HEXANEDIOL

#46
20160296911
2016-10-13

Catalyst system based on spherical activated carbon as a carrier and use thereof

#47
20160257638
2016-09-08

Methods of producing dicarbonyl compounds

#48
20160229784
2016-08-11

PROCESSES FOR MAKING CYCLOHEXANE COMPOUNDS

#49
20160176798
2016-06-23

Separation of propionic acid from acrylic acid

#50
20160175829
2016-06-23

CATALYST SYSTEMS FOR USE IN CONTINUOUS FLOW REACTORS AND METHODS OF MANUFACTURE AND USE THEREOF

#51
20160137580
2016-05-19

Process for the selective hydrogenation of vegetable oils

#52
20160108343
2016-04-21

Method of producing estolide using linking agent

#53
20160107976
2016-04-21

Method of producing estolide having high structural stability

#54
20160031790
2016-02-04

METHOD OF MANUFACTURE OF OCTANEDIOIC ACID, PRECURSORS, AND DERIVATIVES

#55
20160017381
2016-01-21

Biomass conversion to fuels and chemicals

#56
20160009631
2016-01-14

Estolide compound containing ketone functional group and method for preparing the same

#57
20160009630
2016-01-14

Estolide compound and method for preparing the same

#58
20150353464
2015-12-10

Heterogeneous metal-free catalyst

#59
20150344395
2015-12-03

Method for producing 3,5-dimethyldodecanoic acid; and 4-carboxy-3,5-Dimethyl-3,5-dodecadienoic acid

#60
20150336862
2015-11-26

Catalytic hydrogenation using complexes of base metals with tridentate ligands

#61
20150291912
2015-10-15

Process for producing monobranched fatty acids or alkyl esters thereof

#62
20150239821
2015-08-27

Process for hydrogenation of olefinic or acetylenic bonds

#63
20150225329
2015-08-13

ALTERNATIVE PATHWAYS TO ADIPIC ACID BY COMBINED FERMENTATION AND CATALYTIC METHODS

#64
20150224484
2015-08-13

Inorganic nanoparticle deposited catalyst for hydrogenation and manufacturing method of the same, and hydrogenation for biomass derived hydrocarbon compounds

#65
20150183706
2015-07-02

Processes for making cyclohexane compounds

#66
20150183699
2015-07-02

Processes for making cyclohexane compounds

#67
20150080546
2015-03-19

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

#68
20150018368
2015-01-15

Process for preparing benzisothiazol-3-yl-piperazin-1-yl-methyl-cyclo hexylmethanisoindol-1,3-dione and its intermediates

#69
20140371232
2014-12-18

Cajanine structure analogous compound, preparation method and use

#70
20140308720
2014-10-16

PROCESSES FOR PRODUCING LEVULINIC ACID FROM BIOMASS

#71
20140256972
2014-09-11

Nickel hydrogenation catalyst

#72
20140194638
2014-07-10

Spirobenzylamine-phosphine, preparation method therefor and use thereof

#73
20140155647
2014-06-05

Method for the synthesis of diacids or diesters from natural fatty acids and/or esters

#74
20140148607
2014-05-29

Process for synthesizing omega-functionalized acids from fatty acids or fatty esters

#75
20140100387
2014-04-10

Process for preparing cyclohexanepolycarboxylic acid derivatives having a low proportion of by-products

#76
20130338393
2013-12-19

Method for producing alicyclic carboxylic acid and catalyst used in same

#77
20130310587
2013-11-21

Process for preparing saturated branched chain fatty acids

#78
20130253201
2013-09-26

PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED CYCLIC BETA-ARYL OR HETEROARYL CARBOCYCLIC ACIDS

#79
20130150614
2013-06-13

Process for hydrogenation of polycarboxylic acids or derivatives therof

#80
20130109875
2013-05-02

Hydrogenation of fatty acids using a promoted supported nickel catalyst

#81
20130079554
2013-03-28

Methods for the synthesis of deuterated acrylate salts

#82
20120296111
2012-11-22

Catalyst and process for hydrogenating aromatics

#83
20120289740
2012-11-15

Catalyst, Method for Manufacturing the Same by Supercritical Fluid and Method for Hydrogenating an Aromatic Compound by Using the Same

#84
20120130129
2012-05-24

Efficient Method for Preparing Functionalized Benzosuberenes

#85
20120107886
2012-05-03

Lignin Oxidation and Products Thereof

#86
20120053362
2012-03-01

Process for the preparation of cinacalcet and salts thereof, and intermediates for use in the process

#87
20110301024
2011-12-08

Process for the preparation of fischer-tropsche catalysts and their use

#88
20110275853
2011-11-10

Process for the continuous transvinylation of carboxylic acids with vinyl acetate

#89
20110275852
2011-11-10

Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate

#90
20110275844
2011-11-10

Process for preparing saturated branched chain fatty acids

#91
20110230669
2011-09-22

Process for the production of artemisinin intermediates

#92
20110213183
2011-09-01

Method for preparing succinic acid

#93
20110196171
2011-08-11

Process for producing hydrogenated aromatic polycarboxylic acid

#94
20110118472
2011-05-19

Spiro phosphine-oxazoline, preparation method and application thereof

#95
20110112322
2011-05-12

Hydrogenation of benzene polycarboxylic acids or derivatives thereof

#96
20110112318
2011-05-12

Ruthenium complexes having (P—P)—coordinated diphosphorus donor ligands and processes for preparing them

#97
20110105758
2011-05-05

PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED CYCLIC BETA-ARYL OR HETEROARYLCARBOCYCLIC ACIDS

#98
20110092732
2011-04-21

Application of iridium complexes in asymmetric catalytic hydrogenation of unsaturated carboxylic acids

#99
20110015434
2011-01-20

Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane-dicarboxylic acid by way of ring-opening cross metathesis (ROCM) of cyclooctene with acrylic acid

#100
20100305354
2010-12-02

METHOD FOR THE SYNTHESIS OF DIACIDS OR DIESTERS FROM NATURAL FATTY ACIDS AND/OR ESTERS

#101
20100217038
2010-08-26

PROCESS FOR CONVERTING LEVULINIC ACID INTO PENTANOIC ACID

#102
20100196973
2010-08-05

Methods for the synthesis of fatty diacids by the metathesis of unsaturated diacids obtained by fermentation of natural fatty acids

#103
20100184998
2010-07-22

ORGANIC COMPOUNDS

#104
20100168454
2010-07-01

Catalytic hydrogenation

#105
20100160660
2010-06-24

Bis(ferrocenylphosphino) ferrocene ligands used in asymmetric hydrogenation reactions

#106
20090305869
2009-12-10

Method of regenerating ruthenium catalysts for the ring hydrogenation of phthalates

#107
20090234152
2009-09-17

Hydrogenation of benzene polycarboxylic acids or derivatives thereof

#108
20090171114
2009-07-02

Chiral ligands used in transition metal catalysts for asymmetric addition reactions especially hydrogenation

#109
20090137824
2009-05-28

Metallocene-based phosphorus chiral phosphines

#110
20090137385
2009-05-28

Synthesis of supported transition metal catalysts

#111
20090076303
2009-03-19

Process for selective reduction of propionic acid from (meth)acrylic acid product streams

#112
20090023930
2009-01-22

PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF HETEROCYCLIC SULFONAMIDE COMPOUNDS

#113
20080287698
2008-11-20

Ferrocenyl ligands for homogeneous, enantioselective hydrogenation catalysts

#114
20080269425
2008-10-30

Novel Catalyst

#115
20080242876
2008-10-02

Process For the Manufacture of Substituted Propionic Acids

#116
20080171892
2008-07-17

Method for Producing Optically Active 3-Phenylpropionic Acid Derivatives and Follow-On Products of the Latter

#117
20080166816
2008-07-10

Method for controlling hydrogenation

#118
20080146832
2008-06-19

Microporous catalyst and method for hydrogenating aromatic compounds

#119
20080091039
2008-04-17

Hydrogenation Process and High Monoene Compositions Obtained Therefrom

#120
20070293703
2007-12-20

Preparation and purification of synthetic capsaicin

#121
20070293691
2007-12-20

Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis

#122
20070232653
2007-10-04

Process for the preparation of enantiomerically enriched cyclic beta-aryl or heteroaryl carbocyclic acids

#123
20070149804
2007-06-28

Process for preparing enantiomerically enriched 2-alkoxy-3-phenylpropionic acids

#124
20070142472
2007-06-21

Process for producing optically active 3-(4-hydroxyphenyl)proprionic acids

#125
20070088171
2007-04-19

Selective hydrogenation of functional groups in substrates and partially hydrogenated fatty acids and fatty acid derivatives

#126
20070060772
2007-03-15

Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids

#127
20060270863
2006-11-30

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

#128
20060247461
2006-11-02

Hydrogenation of benzene polycarboxylic acids or derivatives thereof

#129
20060211882
2006-09-21

Method for producing optically active carboxylic acid

#130
20060178525
2006-08-10

Method for the continuous production of a compound that carries at least two functional groups

#131
20060135793
2006-06-22

Process for the dimerisation of levulinic acid, dimers obtainable by such process and esters of such dimers

#132
20060122425
2006-06-08

Method for the production of a dicarboxylic acid from acrylic acid

#133
20060089469
2006-04-27

Hydroxy diphosphines and their use in catalysis

#134
20060063834
2006-03-23

Substituted adamantanes, and methods of making the same

#135
20060041167
2006-02-23

Microporous catalyst and method for hydrogenating aromatic compounds

#136
20050119495
2005-06-02

P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions

#137
20050085652
2005-04-21

Preparation and purification of synthetic capsaicin

#138
15256492
2017-02-14

Catalytic hydrogenation using complexes of base metals with tridentate ligands