ClassID:

92099

C07C67/333 - CPC Classification

Classification description:

Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton

Sub-classes:
Recent Application in this class:
#1
20260085031
2026-03-26

METHOD AND INSTALLATION FOR THE PRODUCTION OF A MONOMER BY DEPOLYMERIZATION OF THE CORRESPONDING POLYMER

#2
20260078078
2026-03-19

CONVERSION OF MUCONOLACTONE TO BETA-KETOADIPATES AND METHODS THEREFOR

#3
20250368600
2025-12-04

USE OF CYCLOHOMOGERANATE ESTERS AS AROMA CHEMICALS

#4
20250084027
2025-03-13

DEPOLYMERIZATION METHOD AND SYSTEM

#5
20250075051
2025-03-06

PROCESS FOR RECYCLING CONTAMINATED POLYMERS

#6
20250002442
2025-01-02

SYNTHESIS OF INTERMEDIATES FOR PRODUCING PROSTACYCLIN DERIVATIVES

#7
20240308950
2024-09-19

BIORENEWABLE SYNTHESIS OF HYDROXY-HEXANOATE ESTERS

#8
20240002629
2024-01-04

Media recycling and sanitization

#9
20230374174
2023-11-23

Circularly Recyclable Polymers Featuring Topochemically Elongated Carbon-Carbon Bonds

#10
20230339828
2023-10-26

Renewable chemical production engaging metathesis and microbial oxidation

#11
20230192589
2023-06-22

METHOD FOR PRODUCING ESTER COMPOUND

#12
20230013959
2023-01-19

Compounds and the use thereof in metathesis reactions

#13
20220396545
2022-12-15

METHODS OF MAKING OLEFINIC E- AND Z-ISOMERS

#14
20220363613
2022-11-17

Renewable alkene production engaging metathesis

#15
20220356131
2022-11-10

RENEWABLE CHEMICAL PRODUCTION ENGAGING METATHESIS AND MICROBIAL OXIDATION

#16
20220340835
2022-10-27

Renewable base oil production engaging metathesis

#17
20220332673
2022-10-20

CATALYTIC DEPOLYMERIZATION OF LIGNIN TO HIGH VALUE HYDROCARBONS

#18
20220267273
2022-08-25

Substituted quinolinylcyclohexylpropanamide compounds and improved methods for their preparation

#19
20220228085
2022-07-21

FRAGRANCE OR FLAVOUR MIXTURE

#20
20220213020
2022-07-07

SYNTHESIS OF INTERMEDIATES FOR PRODUCING PROSTACYCLIN DERIVATIVES

#21
20220169825
2022-06-02

Media recycling and sanitization

#22
20220169580
2022-06-02

Methods of carbon-carbon bond fragmentation

#23
20220161246
2022-05-26

Nitrogen heterocyclic carbene ligands and ruthenium catalysts thereof, preparation method therefor and application thereof

#24
20220127233
2022-04-28

SUBSTITUTED QUINOLINYLCYCLOHEXYLPROPANAMIDE COMPOUNDS AND IMPROVED METHODS FOR THEIR PREPARATION

#25
20220056358
2022-02-24

Biofuel and method for preparation by isomerizing metathesis

#26
20210237045
2021-08-05

Use of N-chelating ruthenium complexes in the metathesis reaction

#27
20210171420
2021-06-10

Process for the production of olefinic compounds and a hydrocarbon fuel or a fraction thereof

#28
20210122697
2021-04-29

Methods of making olefinic - and -isomers

#29
20210040288
2021-02-11

Recovery of (meth) acrylic resin by depolymerization and hydrolysis

#30
20200369592
2020-11-26

Synthesis of intermediates for producing prostacyclin derivatives

#31
20200339529
2020-10-29

Method for the metal-free preparation of a biaryl by a photosplicing reaction and their uses

#32
20200299253
2020-09-24

SUBSTITUTED 1,2,3,4-TETRAHYDRO-1,1'-BIPHENYL COMPOUNDS

#33
20200123109
2020-04-23

Substituted quinolinylcyclohexylpropanamide compounds and improved methods for their preparation

#34
20200115329
2020-04-16

DIFLUOROALKYLCYCLOPROPYL AMINO ACIDS AND ESTERS, AND SYNTHESES THEREOF

#35
20200062686
2020-02-27

Method for preparing low-grade unsaturated fatty acid ester

#36
20200010402
2020-01-09

Fragrance mixture

#37
20190344255
2019-11-14

Homogeneous catalysts that are recoverable by host-guest interactions

#38
20190315892
2019-10-17

POLYMERS INCLUDING A METHYLENE BETA-KETOESTER AND PRODUCTS FORMED THEREFROM

#39
20190291089
2019-09-26

Use of ruthenium complexes in olefin metathesis reaction

#40
20190276387
2019-09-12

PRECURSOR COMPOUNDS FOR FRAGRANT ALDEHYDES

#41
20190270079
2019-09-05

Water soluble homogeneous catalysts that are recoverable by phase selectivity and host-guest interactions

#42
20190233362
2019-08-01

Synthesis of intermediates for producing prostacyclin derivatives

#43
20190202768
2019-07-04

Process for the preparation of purified dicarboxylic acids

#44
20190185406
2019-06-20

Polymer degradation

#45
20190152887
2019-05-23

METHODS FOR THE SYNTHESIS OF OLEFINS AND DERIVATIVES

#46
20190152779
2019-05-23

Fluorinating agent

#47
20190136150
2019-05-09

Process for the oxidative cleavage of vicinal diols

#48
20190119311
2019-04-25

COMPOUNDS AND THE USE THEREOF IN METATHESIS REACTIONS

#49
20190071611
2019-03-07

Biofuel and method for preparation by isomerizing metathesis

#50
20190062672
2019-02-28

Methods for preparing oils containing at least 2% alkyl-branching on the hydrocarbon chain

#51
20190030521
2019-01-31

Transition metal complex containing sulfonamide or amide group for olefin metathesis reaction and application thereof

#52
20190023680
2019-01-24

Synthesis of cannabinoids

#53
20190001315
2019-01-03

Immobilized metal alkylidene catalysts and use thereof in olefin metathesis

#54
20180265454
2018-09-20

Method for Producing 4-Oxoquinoline Compound

#55
20180222812
2018-08-09

Process for isomerization and decarboxylation of unsaturated organic compounds with a metal catalyst or catalyst precursor

#56
20180194721
2018-07-12

Difluoroalkylcyclopropyl amino acids and esters, and syntheses thereof

#57
20180186722
2018-07-05

Method for producing an organic compound in a rotating forced thin-film microreactor

#58
20180127447
2018-05-10

METATHESIS CATALYSTS AND METHODS THEREOF

#59
20180065914
2018-03-08

RUTHENIUM POLYMERISATION CATALYSTS

#60
20180065909
2018-03-08

Methods for meta-arylation of aromatic alcohols

#61
20180050332
2018-02-22

Water soluble homogeneous catalysts that are recoverable by phase selectivity and host-guest interactions

#62
20180050331
2018-02-22

Homogeneous catalysts that are recoverable by host guest interactions

#63
20170355789
2017-12-14

Polymers including a methylene beta-ketoester and products formed therefrom

#64
20170355657
2017-12-14

Device and process for producing undecylenic acid methyl ester using methyl ricinoleate as raw material

#65
20170335031
2017-11-23

Polymers from muconic acid isomers and its derivatives

#66
20170224851
2017-08-10

Metal oxide catalyzed radiofluorination

#67
20170204051
2017-07-20

Cross metathesis approach to C11-C13 fatty-chain amino esters from oleic acid derivatives

#68
20170174608
2017-06-22

Synthetic method

#69
20170158602
2017-06-08

Synthesis of intermediates for producing prostacyclin derivatives

#70
20170145152
2017-05-25

Group 8 transition metal catalysts and method for making same and process for use of same in metathesis reaction

#71
20170096384
2017-04-06

Process for the synthesis of dimethyl fumarate

#72
20170073452
2017-03-16

Polyglyoxylates, manufacture and use thereof

#73
20170057897
2017-03-02

Preparation of aldehydes and ketones from alkenes using polyoxometalate catalysts and nitrogen oxides

#74
20170050994
2017-02-23

N-heterocyclic carbene complexes of metal imido alkylidenes and metal OXO alkylidenes, and the use of same

#75
20170050167
2017-02-23

Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway

#76
20170037069
2017-02-09

Compounds and the use thereof in metathesis reactions

#77
20170022232
2017-01-26

METHOD FOR IN-SITU FORMATION OF METATHESIS CATALYSTS

#78
20170008828
2017-01-12

Methods for the synthesis of olefins and derivatives

#79
20160347778
2016-12-01

Alkenes as alkyne equivalents in radical cascades terminated by fragmentations

#80
20160332877
2016-11-17

Fluorinating agent

#81
20160326084
2016-11-10

Process for preparing a carboxylic acid

#82
20160312151
2016-10-27

Methods of fractionating metathesized triacylglycerol polyols and uses thereof

#83
20160264510
2016-09-15

Nonpolar phase-soluble metathesis catalysts

#84
20160251278
2016-09-01

Process for the production of olefinic compounds and a hydrocarbon fuel or a fraction thereof

#85
20160237018
2016-08-18

Process for the synthesis of [6,6]-phenyl-Cbutyric acid pentyl ester (PC61BP)

#86
20160214923
2016-07-28

Branched saturated hydrocarbons derived from olefins

#87
20160194343
2016-07-07

Metathesis catalysts and methods thereof

#88
20160185689
2016-06-30

SYNTHESIS OF TERMINAL ALKENES FROM INTERNAL ALKENES AND ETHYLENE VIA OLEFIN METATHESIS

#89
20160115114
2016-04-28

Device and process for producing undecylenic acid methyl ester using methyl ricinoleate as raw material

#90
20160108343
2016-04-21

Method of producing estolide using linking agent

#91
20160107981
2016-04-21

Polymer degradation

#92
20160107973
2016-04-21

Synthesis of intermediates for producing prostacyclin derivatives

#93
20160102037
2016-04-14

Methods of making functionalized internal olefins and uses thereof

#94
20160039737
2016-02-11

USE OF SOLUBLE METAL SALTS IN METATHESIS REACTIONS

#95
20160031845
2016-02-04

IN-SITU GENERATION OF RUTHENIUM CATALYSTS FOR OLEFIN METATHESIS

#96
20160016976
2016-01-21

Gold complexes

#97
20150376110
2015-12-31

Fullerene derivative and method for manufacturing a fullerene derivative

#98
20150353463
2015-12-10

Process for the preparation of 4-methylpent-3-en-1-ol derivatives

#99
20150344411
2015-12-03

Catalytic method for dibenzocycloheptane synthesis and allocolchicinoid synthesis

#100
20150344401
2015-12-03

Methods of converting mixtures of palmitoleic and oleic acid esters to high value products

#101
20150343415
2015-12-03

Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway

#102
20150329576
2015-11-19

Ruthenium complexes, method of their production and their usage

#103
20150322079
2015-11-12

LOW CATALYST LOADING IN METATHESIS REACTIONS

#104
20150307438
2015-10-29

Methods of making organic compounds by metathesis

#105
20150299613
2015-10-22

Methods of refining and producing dibasic esters and acids from natural oil feedstocks

#106
20150298111
2015-10-22

Ruthenium Or Osmium Complex, Method For Its Preparation And Use Thereof

#107
20150284313
2015-10-08

REACTIONS IN THE PRESENCE OF RUTHENIUM COMPLEXES

#108
20150274763
2015-10-01

Metathesis catalysts containing onium groups

#109
20150266802
2015-09-24

Systems and methods of refining natural oil feedstocks and derivatives thereof

#110
20150217283
2015-08-06

Metal complexes, especially the ruthenium complexes, and use thereof

#111
20150210662
2015-07-30

Multistage process for preparing alkali metal salts of specific 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylic esters

#112
20150183704
2015-07-02

Process for the preparation of azeleic acid from 9-octadecenedioic acid

#113
20150158896
2015-06-11

Ruthenium complexes, their use in the metathesis reactions, and a process for carrying out the metathesis reaction

#114
20150141603
2015-05-21

Latent, high-activity olefin metathesis catalysts containing an N-heterocyclic carbene ligand

#115
20150057449
2015-02-26

Nonpolar phase-soluble metathesis catalysts

#116
20150045558
2015-02-12

Ruthenium-based metathesis catalysts and precursors for their preparation

#117
20140364604
2014-12-11

Method of making monomethyl fumarate

#118
20140357881
2014-12-04

Transvinylation as a first stage of coupling production of vinyl esters and acetic acid or propionic acid reaction products

#119
20140350241
2014-11-27

Phosphinate ruthenium complexes

#120
20140343310
2014-11-20

Method for producing vinyl esters

#121
20140343299
2014-11-20

Process for the preparation of travoprost

#122
20140288342
2014-09-25

Metathesis reactions

#123
20140275592
2014-09-18

Process for isomerization and decarboxylation of unsaturated organic compounds with a metal catalyst or catalyst precursor

#124
20140228563
2014-08-14

Ruthenium polymerisation catalysts

#125
20140206898
2014-07-24

Process for the isomerisation of substituted alkenes

#126
20140200382
2014-07-17

Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

#127
20140171607
2014-06-19

Complexes of ruthenum, method for their preparation, and their application in olefin metathesis reactions

#128
20140155647
2014-06-05

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

#129
20140155511
2014-06-05

Sulfur chelated ruthenium compounds useful as olefin metathesis catalysts

#130
20140114027
2014-04-24

Cage-shaped cyclopentanoic dianhydride, method for production thereof, and polyimide

#131
20140066647
2014-03-06

Method for synthesis of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) and fullerene derivatives

#132
20140046081
2014-02-13

Method for producing unsaturated compounds

#133
20130316426
2013-11-28

Methods for synthesis of olefins and derivatives

#134
20130310587
2013-11-21

Process for preparing saturated branched chain fatty acids

#135
20130296511
2013-11-07

Latent, high-activity olefin metathesis catalysts containing an N-heterocyclic carbene ligand

#136
20130289327
2013-10-31

Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

#137
20130267698
2013-10-10

Phosphinate ruthenium complexes

#138
20130261312
2013-10-03

Supported olefin metathesis catalysts

#139
20130225807
2013-08-29

Metathesis catalysts containing onium groups

#140
20130197218
2013-08-01

Stable and highly tunable metathesis catalysts

#141
20130085288
2013-04-04

Methods of refining and producing dibasic esters and acids from natural oil feedstocks

#142
20130079515
2013-03-28

Complexes of ruthenium, method of production thereof and use thereof as (pre)catalysts of the metathesis reaction

#143
20130078685
2013-03-28

Ozonolysis of unsaturated fatty acids and derivatives thereof

#144
20130046075
2013-02-21

Process for gamma-butyrolactone production

#145
20130035532
2013-02-07

Synthesis of terminal alkenes from internal alkenes via olefin metathesis

#146
20130035322
2013-02-07

GOLD COMPLEXES

#147
20130030209
2013-01-31

Phosphinate ruthenium complexes

#148
20120315681
2012-12-13

Process for producing a monomer component from a genetically modified polyhydroxyalkanoate biomass

#149
20120245375
2012-09-27

Synthesis of alpha,omega-dicarboxylic acids and esters thereof from unsaturated fatty acid derivatives

#150
20120238693
2012-09-20

CROSSLINKING METHOD

#151
20120226060
2012-09-06

Trigycerides containing certain saturated carboxylic acids

#152
20120178961
2012-07-12

BIO-DERIVED OLEFIN SYNTHESIS

#153
20120108759
2012-05-03

Cage-shaped cyclopentanoic dianhydride, method for production thereof, and polyimide

#154
20120094341
2012-04-19

Methods for the synthesis of olefins and derivatives

#155
20120071676
2012-03-22

Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

#156
20120041191
2012-02-16

Phosphinate ruthenium complexes

#157
20120029226
2012-02-02

METHOD FOR THE SYNTHESIS OF CHIRAL ALPHA-ARYL PROPIONIC ACID DERIVATIVES

#158
20120022276
2012-01-26

Method for producing aldehyde functional compounds

#159
20110301371
2011-12-08

Process for producing a conjugated unsaturated fatty acid

#160
20110295027
2011-12-01

Catalytic Isomerisation of Fatty Acid Esters

#161
20110288311
2011-11-24

Terephthalic and trimellitic based acids and carboxylate derivatives thereof

#162
20110288310
2011-11-24

Cyclohexane 1,4 carboxylates

#163
20110288263
2011-11-24

Biobased polyesters

#164
20110282078
2011-11-17

CYCLOHEXENE 1,4 -CARBOXYLATES

#165
20110269987
2011-11-03

Process for preparation of hexadecyl cis-9-tetradecenoate and hexadecyl cis-10-tetradecenoate

#166
20110269979
2011-11-03

Preparation of esters and polyols by initial oxidative cleavage of fatty acids followed by esterification reactions

#167
20110263884
2011-10-27

Process for Preparing Saturated Branched Chain Fatty Acids

#168
20110198535
2011-08-18

Hydroxy- and aldehyde functional compounds

#169
20110178199
2011-07-21

Method for producing organic compound and organic compound obtained by the method

#170
20110130577
2011-06-02

Process for the preparation of prostaglandin analogues and intermediates thereof

#171
20110124868
2011-05-26

Ruthenium olefin metathesis catalysts bearing N-heterocyclic carbene ligands with substituted backbone

#172
20110105774
2011-05-05

Method for synthesising 9-aminononanoic acid or the esters thereof from natural unsaturated fatty acids

#173
20110015430
2011-01-20

Catalysts and processes for the formation of terminal olefins by ethenolysis

#174
20110009621
2011-01-13

SUPPORTED TRANSITION METAL COMPLEX AND USE THEREOF IN CATALYSIS

#175
20110009485
2011-01-13

Synthesis of scabronines and analogues thereof

#176
20100314243
2010-12-16

Preparation of trans, trans muconic acid and trans, trans muconates

#177
20100311995
2010-12-09

Process for the catalytic cleavage of vegetable oils

#178
20100305354
2010-12-02

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

#179
20100216198
2010-08-26

METHOD FOR THE SYNTHESIS OF OMEGA-UNSATURATED FATTY ACIDS

#180
20100210873
2010-08-19

Method for producing carboxylic acid

#181
20100203600
2010-08-12

METHOD FOR THE COPRODUCTION OF METHYL 7-OXOHEPTANOATE AND UNDECYLENIC ACID FROM RICINOLEIC ACID

#182
20100196973
2010-08-05

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

#183
20100174068
2010-07-08

Complex of ruthenium, method of production thereof and use thereof as (pre)catalysts of the metathesis reaction

#184
20100145086
2010-06-10

Synthesis of terminal alkenes from internal alkenes via olefin metathesis

#185
20100144987
2010-06-10

Olefin metathesis initiators bearing thiazol-2-ylidene ligands

#186
20100121097
2010-05-13

Recovery method of pyrolysis product of resin

#187
20100113722
2010-05-06

Sulfur chelated ruthenium compounds useful as olefin metathesis catalysts

#188
20100022789
2010-01-28

Catalytic compositions for the metathesis of unsaturated fatty bodies with olefins and metathesis methods using catalytic compositions

#189
20090317753
2009-12-24

Bicyclo compound, method for producing pentacene and a film thereof using the same, and method for producing bicyclo compound

#190
20090299102
2009-12-03

Apparatus and method for carrying out multiple reactions

#191
20090264672
2009-10-22

Methods of making organic compounds by metathesis

#192
20090259065
2009-10-15

Methods of making organic compounds by metathesis and hydrocyanation

#193
20090259058
2009-10-15

Process for the preparation of prostaglandin analogues and intermediates thereof

#194
20090203860
2009-08-13

Nonpolar phase-soluble methathesis catalysts

#195
20090186976
2009-07-23

Crosslinking method

#196
20090186940
2009-07-23

Synthesis of scabronines and analogues thereof

#197
20090156766
2009-06-18

Sulfur chelated ruthenium compounds useful as olefin metathesis catalysts

#198
20090155866
2009-06-18

Methods for the synthesis of olefins and derivatives

#199
20090145197
2009-06-11

Optically enhanced chiral ionic liquids

#200
20090143544
2009-06-04

Integrated chemical processes for industrial utilization of seed oils

#201
20090143334
2009-06-04

Method of Protecting Wood Through Enhanced Penetration of Wood Preservatives and a Related Solution

#202
20090137839
2009-05-28

Method for producing (2-formyl-1-alkenyl) cyclopropane compound

#203
20090118498
2009-05-07

Ozonolysis reactions in liquid COand CO-expanded solvents

#204
20090099358
2009-04-16

Bisphospholanes for use as catalysts in asymmetric reactions

#205
20090036684
2009-02-05

Method for producing 4-oxoquinoline compound

#206
20090036620
2009-02-05

Method for producing olefin compound

#207
20090012318
2009-01-08

Cage-shaped cyclobutanoic dianhydrides and process for production thereof

#208
20080245995
2008-10-09

Process for the production of derivatives of saturated carboxylic acids

#209
20080228017
2008-09-18

Metathesis process for preparing an alpha, omega-functionalized olefin

#210
20080027194
2008-01-31

Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

#211
20070270621
2007-11-22

Method for making industrial chemicals

#212
20070197818
2007-08-23

Method for producing (1-alkenyl)cyclopropane compound

#213
20070191619
2007-08-16

Production and purification of esters of conjugated linoleic acids

#214
20070179307
2007-08-02

Process for co-producing olefins and diesters or diacids starting from unsaturated fats

#215
20060205845
2006-09-14

Depolymerization method and device

#216
20060167326
2006-07-27

Stabilization of olefin metathesis product mixtures

#217
20060142627
2006-06-29

Bicyclo compound, method for producing fused aromatic compound using the same and method for forming film of the same

#218
20060106238
2006-05-18

Processes for producing conjugated linoleic acid

#219
20060089506
2006-04-27

Process for production of carbonyl compounds

#220
20060079704
2006-04-13

Process for co-producing olefins and esters by ethenolysis of unsaturated fats in non-aqueous ionic liquids

#221
20060014955
2006-01-19

Optically enhanced chiral ionic liquids

#222
20060014840
2006-01-19

Production of olefins having a functional group

#223
20050261451
2005-11-24

Latent, high-activity olefin metathesis catalysts containing an N-heterocyclic carbene ligand

#224
20050187299
2005-08-25

Process for the preparation of alkylidenecyclopentanone derivatives

#225
20050176977
2005-08-11

Method for producing conjugated linoleic acid glycerides

#226
20050154221
2005-07-14

Integrate chemical processes for industrial utilization of seed oils

#227
20050143591
2005-06-30

Method for preparing conjugated polyunsaturated fatty acid esters

#228
20050119416
2005-06-02

Arene-ruthenium complexes immobilized on polymers, catalysts consisting of the complexes, and processes for organic syntheses with the same

#229
20050107477
2005-05-19

Synthetic method and novel chemical compounds

#230
20050090685
2005-04-28

Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives

#231
20050080301
2005-04-14

Process for the synthesis of unsaturated alcohols

#232
20050070750
2005-03-31

Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins

#233
20050049417
2005-03-03

Metathesis catalysts

#234
16101805
2019-07-09

Cyclohexanol ethers as mediterranean fruit fly attractants

#235
15159185
2016-12-13

High purity 1,1-dicarbonyl substituted-1-alkenes and methods for their preparation

#236
14802392
2017-11-07

Difluoroalkylcyclopropyl amino acids and esters, and syntheses thereof