ClassID:

92116

C07C67/54 - CPC Classification

Classification description:

Preparation of carboxylic acid esters; Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Recent Application in this class:
#1
20260146020
2026-05-28

PROCESSES FOR MAKING 1,2-DIACETOXYETHANE FROM MONOETHYLENE GLYCOL BY REACTIVE DISTILLATION

#2
20260146019
2026-05-28

ESTERIFICATION PROCESSES USING HOMOGENEOUS ACID CATALYSTS

#3
20260092030
2026-04-02

IMPROVED PROCESS FOR PRODUCING HIGH-PURITY BUTYL ACRYLATE

#4
20260085031
2026-03-26

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

#5
20260035334
2026-02-05

METHOD OF SYNTHESIS

#6
20260028505
2026-01-29

1,3-PROPANEDIOL ACRYLATES, DIACRYLATES, MONOACRYLATES, METHACRYLATES, AND DIGLYCIDYL ETHER AND USES THEREOF

#7
20260008741
2026-01-08

PROCESS FOR THE DISCONTINUOUS (TRANS)ESTERIFICATION OF (METH)ACRYLATE COMPOUNDS

#8
20250382433
2025-12-18

METHOD FOR PRODUCING POLYESTER RESIN BY USING REGENERATED BIS(2-HYDROXYETHYL) TEREPHTHALATE AQUEOUS SOLUTION

#9
20250376571
2025-12-11

METHOD FOR MANUFACTURING A RECYCLED MATERIAL COMPOSITION

#10
20250326707
2025-10-23

METHOD FOR REACTIVE METHYL ACETATE DISTILLATION

#11
20250320532
2025-10-16

PREPARING DIESTERS OF MALONIC ACID

#12
20250313869
2025-10-09

MONOGLYCERIDES FROM FERMENTATION AS FOOD PRESERVATIVES AND HEALTH SUPPLEMENTS

#13
20250304521
2025-10-02

PROCESS FOR GENERATING ACID ANHYDRIDES

#14
20250282705
2025-09-11

PREPARATION OF TERMINALLY UNSATURATED (METH)ACRYLATE CROSSLINKERS

#15
20250257026
2025-08-14

CONTINUOUS METHOD FOR PRODUCING N-BUTYL(METH)ACRYLATE INCLUDING A CATALYST RECIRCULATION PROCESS

#16
20250243337
2025-07-31

IMPROVED PROCESS FOR DEPOLYMERISING POLYETHYLENE TEREPHTHALATE

#17
20250243146
2025-07-31

HIGHLY UNSATURATED FATTY ACID OR HIGHLY UNSATURATED FATTY ACID ETHYL ESTER WITH REDUCED ENVIRONMENTAL POLLUTANTS, AND METHOD FOR PRODUCING SAME

#18
20250236584
2025-07-24

IMPROVED METHOD FOR PRODUCING HIGH-PURITY BUTYL ACRYLATE

#19
20250236580
2025-07-24

PROCESS FOR PRODUCING BRANCHED CHAIN FATTY ACIDS AND ESTERS THEREOF

#20
20250230123
2025-07-17

METHOD OF REMOVING WATER FROM MIXTURE OF PGME, PGMEA, AND WATER

#21
20250179002
2025-06-05

PROCESS FOR THE PRODUCTION OF FATTY ACIDS AND ISOMERIZED ESTERS

#22
20250154093
2025-05-15

METHODS FOR SEPARATING THE BINARY AZEOTROPIC MIXTURE OF ETHYLENE GLYCOL AND ETHYLENE GLYCOL DIACETATE WITH SULFOLANE ENTRAINER

#23
20250074859
2025-03-06

PROCESS FOR THE CONTINUOUS DISTILLATION OF ACRYLATES

#24
20250066576
2025-02-27

METHOD FOR PREPARING RECYCLED BIS(2-HYDROXYETHYL) TEREPHTHALATE THROUGH MULTI-STEP DEPOLYMERIZATION

#25
20250034075
2025-01-30

METHOD FOR PREPARING A RECYCLED MATERIAL USING WASTE COPOLYESTER AND RECYCLED MATERIAL COMPOSITION

#26
20250026706
2025-01-23

Process for the alkoxycarbonylation of diisobutene and a C4 to C7 olefin and subsequent hydrolysis

#27
20250026699
2025-01-23

PROCESS FOR PRODUCING ALCOHOLS BY ALKOXYCARBONYLATION OF DIISOBUTENE AND A C4 TO C7 OLEFIN AND SUBSEQUENT HYDROGENATION

#28
20250019338
2025-01-16

RECOVERY OF MONOMERIC AND OLIGOMERIC BUILDING BLOCKS FROM POLYMERIC MATERIALS

#29
20250011273
2025-01-09

PROCESS FOR THE PRODUCTION OF C6-C12-ALKYL (METH)ACRYLIC ESTERS

#30
20240368067
2024-11-07

IMPROVED METHOD FOR PRODUCING HIGH-PURITY BUTYL ACRYLATE

#31
20240343672
2024-10-17

POLYMERIZABLE RAW MATERIAL COMPRISING RECYCLED BIS(2-HYDROXYETHYL) TEREPHTHALATE AND METHOD FOR PREPARING THE SAME

#32
20240317668
2024-09-26

A PROCESS FOR PRODUCING ALKYL TRIFLUOROACETATES

#33
20240308941
2024-09-19

PROCESS FOR THE CO-PRODUCTION OF DIALKYL SUCCINATE AND 1,4-BUTANEDIOL BY HYDROGENATING DIALKYL MALEATE IN TWO STAGES

#34
20240279152
2024-08-22

METHODS OF PRODUCING DIALKYL MALONATE ESTERS AND USES THEREOF

#35
20240199526
2024-06-20

METHOD FOR SYNTHESIZING COMPOUND IN WHICH ACETOXYLATION REACTION IS APPLIED TO LACTIC ACID DERIVATIVE

#36
20240124632
2024-04-18

Method for Producing Fluorine-Containing Polymer and Composition

#37
20240124383
2024-04-18

METHODS FOR PRODUCTION OF AN ESTER OF BUTYRIC ACID

#38
20240124382
2024-04-18

IMPROVED PROCESS FOR MANUFACTURING HIGH-PURITY ALKYL ACRYLATES

#39
20240034711
2024-02-01

Process for separation of methanol and methyl (meth)acrylate

#40
20240010604
2024-01-11

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

#41
20230339839
2023-10-26

SYNTHESIS METHOD OF ALPHA-HYDROXYCARBOXYLIC ACID ESTER

#42
20230312452
2023-10-05

Method for producing vinyl acetate

#43
20230312451
2023-10-05

EFFICIENT DEPOLYMERIZATION METHOD OF POLYMERS COMPRISING ESTER FUNCTIONAL GROUP, AND PURIFICATION METHOD THEREOF

#44
20230303477
2023-09-28

Method for synthesizing 2-bromoglutaric acid diesters

#45
20230286895
2023-09-14

METHODS FOR PRODUCING ALKYL HYDROXYALKANOATES

#46
20230250045
2023-08-10

METHOD FOR PRODUCING EASILY POLYMERIZABLE COMPOUND

#47
20230249098
2023-08-10

Device for carrying out material exchange processes

#48
20230192590
2023-06-22

METHOD FOR PURIFYING ACRYLIC ACID ESTER COMPOUND

#49
20230183165
2023-06-15

HIGHLY UNSATURATED FATTY ACID OR HIGHLY UNSATURATED FATTY ACID ETHYL ESTER WITH REDUCED ENVIRONMENTAL POLLUTANTS, AND METHOD FOR PRODUCING SAME

#50
20230183163
2023-06-15

METHOD FOR PREPARING ALKYL CARBOXYLIC ACID ESTER AND APPARATUS FOR PREPARING ALKYL CARBOXYLIC ACID ESTER

#51
20230174454
2023-06-08

PROCESS OF SYNTHESIZING AND PURIFYING (3R)-HYDROXYBUTYL (3R)-HYDROXYBUTANOATE

#52
20230174449
2023-06-08

METHOD FOR RECOVERING HEAVY BY-PRODUCTS FROM ACRYLIC ACID AND ESTERS OF SAID ACID BY THERMAL CRACKING WITH PARTIAL CONDENSATION

#53
20230150912
2023-05-18

Process for eliminating interfering by-products in the direct oxidative esterification of methacrolein

#54
20230150911
2023-05-18

METHOD OF MANUFACTURING DIESTER-BASED COMPOUND

#55
20230150910
2023-05-18

METHOD OF PREPARING DIESTER-BASED MATERIAL

#56
20230120038
2023-04-20

PROCESS FOR GENERATING ACID ANHYDRIDES

#57
20230096748
2023-03-30

Process for producing alkyl methacrylates with improved water and acid management

#58
20230095681
2023-03-30

METHOD FOR PURIFYING AN ALKYLENE GLYCOL MONOALKYL ETHER CARBOXYLIC ACID ESTER HAVING HIHG-PURITY USED IN PHOTO RESIST PROCESS

#59
20230085243
2023-03-16

METHOD FOR IMPROVING THE HUE OF RECYCLED BIS(2-HYDROXYETHYL) TEREPHTHALATE

#60
20230030777
2023-02-02

CATALYSTS FOR PET METHANOLYSIS

#61
20230029131
2023-01-26

Recovery of monomeric and oligomeric building blocks from polymeric materials

#62
20220388942
2022-12-08

Process for purifying methyl methacrylate of low-boiling components

#63
20220380294
2022-12-01

Process for discharging low boilers during the production of dialkyl terephthalates or dialkyl phthalates

#64
20220363625
2022-11-17

Simplified workup of the reactor output from an oxidative esterification

#65
20220363613
2022-11-17

Renewable alkene production engaging metathesis

#66
20220356144
2022-11-10

SYSTEM AND METHOD FOR PRODUCING DIESTER-BASED COMPOSITION

#67
20220332674
2022-10-20

Process for producing alkyl methacrylates with improved water and acid management

#68
20220267249
2022-08-25

Method for Preparation of Decolorized Acetoacetylated Ethylene Glycol

#69
20220267246
2022-08-25

Methods for producing alkyl hydroxyalkanoates

#70
20220267245
2022-08-25

Methods for producing alkyl hydroxyalkanoates

#71
20220234982
2022-07-28

Method for manufacturing high-purity alkyl acrylates

#72
20220212157
2022-07-07

System and method for producing diester-based composition

#73
20220177405
2022-06-09

METHOD FOR PROCESSING BENZENE POLYCARBOXYLIC ACID ESTERS AND USE OF SAME TO PRODUCE CYCLOHEXANE POLYCARBOXYLIC ACID ESTERS

#74
20220162149
2022-05-26

Acid catalyzed synthesis of methyl acrylate from acrylic acid and methanol

#75
20220153679
2022-05-19

Acid catalyzed synthesis of methyl acrylate from acrylic acid and methanol

#76
20220106251
2022-04-07

Method for purifying (meth)acrylic esters using a divided wall column

#77
20220009872
2022-01-13

Method for preparing alkyl carboxylic acid ester and apparatus for preparing alkyl carboxylic acid ester

#78
20210395183
2021-12-23

Eicosapentaenoic acid alkyl ester-containing composition and method for producing same

#79
20210347722
2021-11-11

Process for generating acid anhydrides

#80
20210317065
2021-10-14

Method for purifying polymerizable fluoromonomer by distillation

#81
20210302712
2021-09-30

Immersion oils having long service life

#82
20210300857
2021-09-30

Method for purifying (meth)acrylic esters

#83
20210292270
2021-09-23

METHOD FOR OBTAINING PURE CYCLOHEXYL(METH)ACRYLATE BY DISTILLATION

#84
20210269388
2021-09-02

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

#85
20210269385
2021-09-02

Process for preparing MMA in high yields

#86
20210261491
2021-08-26

Method for purifying light acrylates

#87
20210179531
2021-06-17

Preparation of diesters of (meth)acrylic acid from epoxides

#88
20210139406
2021-05-13

Method for producing alkyl lactate

#89
20210122699
2021-04-29

Methods for manufacturing and decolorizing dioctyl terephthalate

#90
20210047495
2021-02-18

Chemical recycling of polyethylene terephthalate by microwave irradiation

#91
20210047260
2021-02-18

Synthesis and purification of muconic acid ester from aldaric acid esters

#92
20210040396
2021-02-11

Methods of refining natural oil feedstocks

#93
20210040027
2021-02-11

Ethyl acetate removal during VAM production

#94
20210040026
2021-02-11

Method for removing monohydric alcohol from esterification and method for preparing ester composition comprising same

#95
20210030707
2021-02-04

Composition containing eicosapentaenoic acid alkyl ester, and method for producing same

#96
20200407309
2020-12-31

Methods for producing (meth)acrylic acid norbornyl esters

#97
20200385639
2020-12-10

Derivatizing of thermochemical oil

#98
20200369593
2020-11-26

Process for the manufacture of alkylfluoroacrylate

#99
20200369591
2020-11-26

Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid

#100
20200331839
2020-10-22

Methods for producing alkyl hydroxyalkanoates

#101
20200317601
2020-10-08

System for continuously purifying reaction product of esterification

#102
20200261826
2020-08-20

Difluoroacetic acid ion pairing reagent for high sensitivity, high resolution LC-MS of biomolecules and small molecules

#103
20200239400
2020-07-30

Process for continuously preparing n-butyl acrylate or isobutyl acrylate

#104
20200239395
2020-07-30

Process for the production of glycolic acid

#105
20200223780
2020-07-16

Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid

#106
20200222356
2020-07-16

Composition containing eicosapentaenoic acid alkyl ester, and method for producing same

#107
20200095185
2020-03-26

Process for isolating pure butyl acrylate from crude butyl acrylate by distillation, where butyl is n-butyl or isobutyl

#108
20200094160
2020-03-26

Process for isolating pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding crude alkyl acrylate by distillation

#109
20200056009
2020-02-20

Chemical recycling of polyethylene terephthalate by microwave irradiation

#110
20200048178
2020-02-13

Method for producing polyfunctional acrylate

#111
20190337883
2019-11-07

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

#112
20190330137
2019-10-31

Process for isolating pure tert-butyl (meth)acrylate from crude tert-butyl (meth)acrylate by distillation

#113
20190276385
2019-09-12

Methods for producing alkyl hydroxyalkanoates

#114
20190263745
2019-08-29

Ester composition preparation system and ester composition preparation method using same

#115
20190248724
2019-08-15

Process for the production of glycolic acid

#116
20190247766
2019-08-15

Thermally integrated distillation systems and processes using the same

#117
20190241494
2019-08-08

Methods for producing alkyl hydroxy alkanoates

#118
20190225570
2019-07-25

Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof

#119
20190218167
2019-07-18

Method for producing vinyl acetate

#120
20190194119
2019-06-27

Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid

#121
20190152889
2019-05-23

Process for the recovery of dialkyl succinate or dialkyl maleate

#122
20190127312
2019-05-02

Process for recovering byproducts from MMA

#123
20190127308
2019-05-02

Production method for (meth)acrylic acid or ester thereof

#124
20190127244
2019-05-02

Method for producing acrylic ester with low pollutant discharge

#125
20190119705
2019-04-25

SUBSTANTIALLY NON-RACEMIC KETONE ESTER OF BETA HYDROXYBUTYRATE AND PRODUCTION PROCESS THEREOF

#126
20190112253
2019-04-18

Catalytic performance in processes for preparing acetic acid

#127
20190060782
2019-02-28

PURIFICATION DEVICE, PURIFICATION METHOD, MANUFACTURING DEVICE, MANUFACTURING METHOD OF CHEMICAL LIQUID, CONTAINER, AND CHEMICAL LIQUID STORAGE CONTAINER

#128
20190048369
2019-02-14

Device and method of producing ultra-low sulfur biodiesel

#129
20190031593
2019-01-31

Purified plasticizers, production and use

#130
20190031581
2019-01-31

Method for separating materials by means of an extractive distillation process

#131
20190016665
2019-01-17

Method for purifying (meth)acrylic esters

#132
20190015375
2019-01-17

Composition containing eicosapentaenoic acid alkyl ester, and method for producing same

#133
20190010522
2019-01-10

Methods of making capsinoids by biosynthetic processes

#134
20190002389
2019-01-03

Production of tert-butyl esters of ethylenically unsaturated carboxylic acids

#135
20190002388
2019-01-03

Process for preparing bis(2-hydroxyethyl) terephthalate

#136
20180370895
2018-12-27

Process for manufacturing acrylic acid

#137
20180355386
2018-12-13

Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene

#138
20180346403
2018-12-06

Process for purification of methyl methacrylate

#139
20180346402
2018-12-06

Process for purification of methyl methacrylate

#140
20180319950
2018-11-08

Chemical recycling of polyethylene terephthalate by microwave irradiation

#141
20180305291
2018-10-25

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

#142
20180305288
2018-10-25

Method of preparing (meth)acrylic acid

#143
20180297930
2018-10-18

Process for purification of methyl methacrylate

#144
20180290962
2018-10-11

Methods for producing alkyl hydroxyalkanoates

#145
20180265448
2018-09-20

Process for catalytic transvinylation of carboxylic acids

#146
20180265447
2018-09-20

Process for the synthesis of acrylic acid oligomers

#147
20180251419
2018-09-06

Extractive workup of a sodium-salt-containing MMA-methanol mixture

#148
20180251418
2018-09-06

Synthesis of methacrylic acid from methacrolein-based alkyl methacrylate

#149
20180222843
2018-08-09

Method for purifying acrylic acid derivative

#150
20180222840
2018-08-09

Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof

#151
20180208539
2018-07-26

Methods for producing alkyl hydroxyalkanoates

#152
20180195020
2018-07-12

Process for obtaining free fatty acid and/or fatty acid ester

#153
20180163019
2018-06-14

Plasticizer composition and method of preparing the same

#154
20180147176
2018-05-31

Composition containing eicosapentaenoic acid alkyl ester, and method for producing same

#155
20180134651
2018-05-17

METHOD OF PURIFYING TEREPHTHALATE BASED ESTER COMPOUNDS

#156
20180044597
2018-02-15

Methods of refining natural oil feedstocks

#157
20180037532
2018-02-08

Recovery process for functionalized compound reaction product

#158
20180022682
2018-01-25

Method for esterification of a diol using a reactive distillation

#159
20180009736
2018-01-11

Reclamation of noble products in a method for producing (meth)acrylic ester

#160
20170362148
2017-12-21

Stripping method

#161
20170349857
2017-12-07

Method for the purification of fatty acid aklyl esters

#162
20170342015
2017-11-30

Process for continuously preparing di-C-alkyl succinates

#163
20170334829
2017-11-23

Separation process

#164
20170334827
2017-11-23

Reduced fouling process for the production of methyl methacrylate

#165
20170314047
2017-11-02

METHOD FOR THE PRODUCTION OF ALKYL ESTERS

#166
20170313644
2017-11-02

Methods for producing an ester of an alpha, beta-unsaturated carboxylic acid

#167
20170297996
2017-10-19

Method for producing diesters of terephthalic acid with circulation of the reaction mixture

#168
20170267624
2017-09-21

Method for producing alkyl (meth)acrylates

#169
20170252315
2017-09-07

Composition containing eicosapentaenoic acid alkyl ester, and method for producing same

#170
20170247313
2017-08-31

Breaking a methanol/methyl methacrylate azeotrope using pressure swing distillation

#171
20170247312
2017-08-31

Process for in situ water removal from an oxidative esterification reaction using a coupled reactor-distillation system

#172
20170240500
2017-08-24

Process for in situ water removal from an oxidative esterification reaction using a coupled reactor-distillation system

#173
20170216739
2017-08-03

Method of extracting nutrients from a plant

#174
20170210692
2017-07-27

Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof

#175
20170204045
2017-07-20

NOVEL LACTIC ACID RECOVERY PROCESS

#176
20170197902
2017-07-13

Method for producing multibranched aliphatic ester

#177
20170184973
2017-06-29

ORGANIC TREATMENT LIQUID FOR PATTERNING RESIST FILM, METHOD OF PRODUCING ORGANIC TREATMENT LIQUID FOR PATTERNING RESIST FILM, STORAGE CONTAINER OF ORGANIC TREATMENT LIQUID FOR PATTERNING RESIST FILM, PATTERN FORMING METHOD USING THE SAME, AND METHOD OF PRODUCING ELECTRONIC DEVICE

#178
20170158600
2017-06-08

Process for ruthenium-catalysed transvinylation of carboxylic acids

#179
20170129843
2017-05-11

Process for producing low VOC coalescing aids

#180
20170113998
2017-04-27

Method for separating high-boiling carboxylic acid vinyl ester/carboxylic acid mixtures

#181
20170096382
2017-04-06

Process for the co-production of acetic acid and dimethyl ether

#182
20170081272
2017-03-23

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

#183
20170081271
2017-03-23

Process for purifying methyl acetate mixtures

#184
20170081267
2017-03-23

Catalytic performance in processes for preparing acetic acid

#185
20170066972
2017-03-09

Methods of refining natural oil feedstocks

#186
20170065964
2017-03-09

Heterogeneous catalyst for transesterification and method of preparing same

#187
20170044085
2017-02-16

Process for the production of carboxylic esters and use of these as plasticizers

#188
20170043326
2017-02-16

Heterogeneous catalyst for transesterification and method of preparing same

#189
20160376219
2016-12-29

Ester compound, plasticizer composition including the same, preparation method of the plasticizer composition and resin composition including the plasticizer composition

#190
20160368852
2016-12-22

Fouling-resistant distillation column and process for the manufacture of compounds

#191
20160318843
2016-11-03

Catalytic processes for preparing estolide base oils

#192
20160311748
2016-10-27

Process for the preparation and isolation of carboxylic esters

#193
20160304431
2016-10-20

A PROCESS FOR PREPARING SUCCINIC ACID AND SUCCINATE ESTER

#194
20160297737
2016-10-13

Production of butyl acetate from ethanol

#195
20160289163
2016-10-06

High-and low-viscosity estolide base oils and lubricants

#196
20160289159
2016-10-06

Preparation of tert-butyl esters of aliphatic carboxylic acids

#197
20160272780
2016-09-22

Plasticizer and resin composition, and preparation method thereof

#198
20160272570
2016-09-22

Process for producing light (meth)acrylic esters

#199
20160272569
2016-09-22

Methods for producing alkyl hydroxyalkanoates

#200
20160264508
2016-09-15

Process for the preparation of succinic acid ester

#201
20160264498
2016-09-15

Process for the preparation of high purity norbornene alkanols and derivatives thereof

#202
20160251297
2016-09-01

Unit and process for purification of crude methyl methacrylate

#203
20160229789
2016-08-11

Method for obtaining polyol esters-enriched product streams from the side-streams in polyol ester production

#204
20160229787
2016-08-11

Methods for producing alkyl hydroxyalkanoates

#205
20160208296
2016-07-21

Method for producing high purity omega-3 fatty acid ethyl ester

#206
20160200660
2016-07-14

Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification

#207
20160194269
2016-07-07

Purification method of photoreactive compound and photoreactive compound

#208
20160193541
2016-07-07

Distillation apparatus

#209
20160193540
2016-07-07

Divided wall distillation column

#210
20160159725
2016-06-09

Method for continuous production of light acrylates by esterification of a raw ester-grade acrylic acid

#211
20160158667
2016-06-09

Distillation device

#212
20160152544
2016-06-02

Method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate

#213
20160122278
2016-05-05

PROCESS TO PREPARE LEVULINIC ACID

#214
20160102043
2016-04-14

PROCESS FOR PRODUCTION OF METHACRYLIC ACID ESTERS

#215
20160102041
2016-04-14

Heterogeneous catalyst for transesterification and method of preparing same

#216
20160083328
2016-03-24

Process for continuously preparing di-C-alkyl succinates

#217
20160076063
2016-03-17

Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene

#218
20160074824
2016-03-17

Apparatus and method for heterogeneous catalytic reactions

#219
20160046888
2016-02-18

Fragrance composition and method for producing same

#220
20160046557
2016-02-18

PROCESS FOR THE PREPARATION OF VINYL ACETATE

#221
20160040929
2016-02-11

Column for thermal treatment of a fluid

#222
20160023985
2016-01-28

Process for producing 2-propylheptyl acrylate by transesterification

#223
20150368178
2015-12-24

Process for the manufacture of alkylfluoroacrylate

#224
20150315325
2015-11-05

Reaction products containing hydroxyalkylterephthalates and methods of making and using same

#225
20150315120
2015-11-05

Process for producing alkyl acrylate

#226
20150299093
2015-10-22

Method for producing 2-octyl acrylate by direct esterification

#227
20150274635
2015-10-01

Process for the production of high purity glycol esters

#228
20150240186
2015-08-27

Methods of refining natural oil feedstocks

#229
20150210950
2015-07-30

High- and low-viscosity estolide base oils and lubricants

#230
20150203437
2015-07-23

Methylidene malonate process

#231
20150203436
2015-07-23

Method for the production of 2-octyl acrylate by means of transesterification

#232
20150197477
2015-07-16

Catalytic processes for preparing estolide base oils

#233
20150158808
2015-06-11

Process for the preparation of alkyl 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylate and its analogs

#234
20150126760
2015-05-07

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

#235
20150099905
2015-04-09

Process to recover alcohol with reduced water from overhead of acid column

#236
20150099896
2015-04-09

Continuous process for the carbonylation of ethylene

#237
20150051420
2015-02-19

Esterification process

#238
20140357881
2014-12-04

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

#239
20140343310
2014-11-20

Method for producing vinyl esters

#240
20140294693
2014-10-02

Biodiesel manufacturing system and apparatus

#241
20140171671
2014-06-19

Catalytic processes for preparing estolide base oils

#242
20140135523
2014-05-15

Continuous process for preparing (meth)acrylates of C-alcohol mixtures

#243
20130331588
2013-12-12

Process for the distillation of fatty acid esters

#244
20130310598
2013-11-21

Reactive distillation of a carboxylic acid and a glycol

#245
20130284586
2013-10-31

Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using same

#246
20130253211
2013-09-26

Methods and systems for the production of diesters from triacylglyceride esters

#247
20130245309
2013-09-19

Acrylate production process

#248
20130197266
2013-08-01

Ethyl acetate production

#249
20130090501
2013-04-11

Process for producing ethanol using a crude vinyl acetate feed

#250
20130066104
2013-03-14

Method and plant for purifying unsaturated compounds

#251
20130018203
2013-01-17

Method for producing n-propyl acetate and method for producing allyl acetate

#252
20130012736
2013-01-10

METHYLIDENE MALONATE PROCESS

#253
20130008773
2013-01-10

METHYLIDENE MALONATE PROCESS

#254
20120310007
2012-12-06

Method for producing vinyl acetate

#255
20120277497
2012-11-01

Process to recover alcohol with reduced water from overhead of acid column

#256
20120277496
2012-11-01

Process for producing ethanol and reducing acetic acid concentration

#257
20120277493
2012-11-01

Process to recover alcohol with secondary reactors for hydrolysis of acetal

#258
20120277492
2012-11-01

Reduced energy alcohol separation process having controlled pressure

#259
20120178660
2012-07-12

High- and low-viscosity estolide base oils and lubricants

#260
20120172609
2012-07-05

Catalytic processes for preparing estolide base oils

#261
20120083622
2012-04-05

METHOD AND APPARATUS FOR PREPARING AN ESTER

#262
20120083621
2012-04-05

METHOD AND APPARATUS FOR PREPARING MULTIPLE ESTERS

#263
20120083435
2012-04-05

Acetic acid-capped estolide base oils and methods of making the same

#264
20120065423
2012-03-15

Reactive distillation process for preparation of acetaminophen

#265
20120000764
2012-01-05

Method and system for purifying monomers

#266
20110306783
2011-12-15

COMPOSITION STABILIZED FOR PURIFICATION AND METHOD FOR PURIFYING AND FOR PRODUCING HYDROXYALKYL (METH)ACRYLATES

#267
20110301379
2011-12-08

Method for producing a (meth)acrylate

#268
20110297883
2011-12-08

Compositions of esters of fluorosubstituted alcanoic acids

#269
20110257427
2011-10-20

Purification of carboxylic esters by extractive distillation

#270
20110190531
2011-08-04

Process for producing an ethyl acetate solvent and co-production of ethanol

#271
20110160480
2011-06-30

Continuous Process for Obtaining a Lactic Ester

#272
20110152568
2011-06-23

Allyl acetate purification

#273
20110113679
2011-05-19

Methods of refining natural oil feedstocks

#274
20110087045
2011-04-14

Process for preparing polyol esters

#275
20110082272
2011-04-07

Method for purifying fluorinated compound

#276
20110021809
2011-01-27

Method for purification of optically active α-fluorocarboxylic acid esters

#277
20100317887
2010-12-16

Process for preparing (meth)acrylates of C-alcohol mixtures

#278
20100305355
2010-12-02

Method of removing heavy hydrocarbons from reaction products in the production of sec-butyl acetate

#279
20100286439
2010-11-11

Methylidene malonate process

#280
20100286438
2010-11-11

Methylidene malonate process

#281
20100286433
2010-11-11

Methylidene malonate process

#282
20100217030
2010-08-26

Method and plant for purifying unsaturated compounds

#283
20100204509
2010-08-12

Method for producing (meth)acrylates

#284
20100029881
2010-02-04

Method for producing methacrylic alkyl esters by way of azeotropic distillation

#285
20100024285
2010-02-04

Process for preparing a bio-diesel

#286
20090209781
2009-08-20

PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACIDS

#287
20090182167
2009-07-16

Process for preparing alpha-hydroxycarboxylic esters

#288
20090143610
2009-06-04

Method of preparing a purified ester-substituted phenol stream

#289
20090107833
2009-04-30

Acetaldehyde removal from methyl acetate by distillation at elevated pressure

#290
20090054717
2009-02-26

Method of Producing 3,4-Diacyloxy-1-Butene

#291
20090023947
2009-01-22

Process for preparing tertiary alkyl esters of (meth)acrylic acid having at least 4 carbon atoms in the alkyl radical

#292
20080300373
2008-12-04

Method of purifying (meth) acrylates

#293
20080293956
2008-11-27

Method of producing biodiesel

#294
20080234512
2008-09-25

Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream

#295
20080221352
2008-09-11

Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream

#296
20080214858
2008-09-04

Composition of vinyl ether group-containing (meth) acrylic acid ester and production method thereof

#297
20080161595
2008-07-03

Transesterification process of methyl acetate

#298
20080146831
2008-06-19

Continuous Method for Producing Cyclohexyl(Meth)Acrylate

#299
20080110082
2008-05-15

Biodiesel production with enhanced alkanol recovery

#300
20080051597
2008-02-28

Process for Producing 2-Methyladamantan-2-Yl (Meth)Acrylate and 2-Methyladamantan-2-Yl (Meth)Acrylate