ClassID:

91314

C07C41/06 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of ethers by addition of compounds to unsaturated compounds by addition of organic compounds only

Sub-classes:
Recent Application in this class:
#1
20260062371
2026-03-05

A METHOD AND A SYSTEM FOR PRODUCING ETHER

#2
20260055041
2026-02-26

A METHOD AND A SYSTEM FOR PRODUCING ETHER

#3
20260001827
2026-01-01

SYSTEMS AND PROCESSES FOR THE PRODUCTION OF MTBE AND MALEIC ANHYDRIDE FROM C4 HYDROCARBONS THEREFROM

#4
20250084013
2025-03-13

USE OF DIVIDED WALL TECHNOLOGY TO PRODUCE HIGH PURITY METHANOL

#5
20250059121
2025-02-20

ETHERIFICATION OF HIGH CONCENTRATION C5 ISO-OLEFINS VIA CATALYTIC DISTILLATION

#6
20250051669
2025-02-13

BIOFUEL AND METHOD OF SYNTHESIS OF THE SAME

#7
20250034069
2025-01-30

METHOD FOR PRODUCING FLUOROETHER

#8
20240327322
2024-10-03

Crosslinked Polymers with Tunable Coefficients of Thermal Expansion

#9
20240317661
2024-09-26

SYNTHESIS OF HALOGENATED ALKOXYETHANE

#10
20240300875
2024-09-12

PROCESS FOR OBTAINING ISOBUTENE FROM A C4-HYDROCARBON MIXTURE

#11
20240199518
2024-06-20

METALLOSILICATE CATALYST SOLVENTS

#12
20240150271
2024-05-09

CATALYTIC METHOD FOR THE PREPARATION OF PERFLUOROALKOXY-SUBSTITUTED ARENES AND HETEROARENES

#13
20240076258
2024-03-07

METHOD FOR PRODUCING ISOBUTYL VINYL ETHER AND METHOD FOR PURIFYING ISOBUTYL VINYL ETHER

#14
20230382839
2023-11-30

A METHOD FOR THE PREPARATION OF 1,2-PROPANEDIOL, DIPROPYLENE GLYCOL AND TRIPROPYLENE GLYCOL

#15
20230365484
2023-11-16

PROCESS OF PREPARING FLUOROETHER COMPOUNDS WITH UNSATURATED END GROUPS

#16
20230331643
2023-10-19

Butadiene telomerization catalyst preparation and use thereof

#17
20230312446
2023-10-05

PROCESS FOR PRODUCING (POLY)ALKYLENE GLYCOL MONOALKYL ETHERS

#18
20230278940
2023-09-07

Cfeedstock preprocessing for MTBE units and crackers

#19
20230271907
2023-08-31

SYSTEM AND METHOD FOR PRODUCTION OF MTBE

#20
20230265033
2023-08-24

REMOVAL OF C3 LIGHTS FROM LPG FEEDSTOCK TO BUTANE ISOMERIZATION UNIT

#21
20230242468
2023-08-03

PRODUCTION METHOD FOR FLUORINATED ORGANIC COMPOUND

#22
20230151284
2023-05-18

Systems and processes integrating steam cracking with dual catalyst metathesis for producing olefins

#23
20230151283
2023-05-18

HYDROCARBON PYROLYSIS OF FEEDS CONTAINING NITROGEN

#24
20230065920
2023-03-02

Method for synthesis of 2-methyl-2-hydroxyheptane and 2-methyl 2-alkoxyheptanes

#25
20220371978
2022-11-24

SYSTEMS AND METHODS FOR MTBE PRODUCTION

#26
20220355281
2022-11-10

Methods of etherification

#27
20220324781
2022-10-13

HIGHER SECONDARY ALCOHOL ALKOXYLATE PRECURSOR, HIGHER SECONDARY ALCOHOL ALKOXYLATE ADDUCT AND HIGHER SECONDARY ALKYL ETHER SULFATE ESTER SALT, AND METHODS FOR PRODUCING THESE

#28
20220298093
2022-09-22

METHODS OF ETHERIFICATION

#29
20220290058
2022-09-15

Integrated process for the production of isononanol and stable / lubricating gasoline and diesel blending components

#30
20220288055
2022-09-15

CANNABINOID DERIVATIVES AS PHARMACEUTICALLY ACTIVE COMPOUNDS AND METHODS OF PREPARATION THEREOF

#31
20220281792
2022-09-08

Methods of etherification

#32
20220274903
2022-09-01

Metallosilicate catalyst solvents for the formation of alkylene glycol monoalkyl ethers

#33
20220266238
2022-08-25

METALLOSILICATE CATALYST REGENERATION

#34
20220259126
2022-08-18

Etherification of high concentration C5 ISO-olefins via catalytic distillation

#35
20220258142
2022-08-18

METALLOSILICATE CATALYST SOLVENT WASH

#36
20220213006
2022-07-07

Butadiene telomerization catalyst preparation and use thereof

#37
20220194885
2022-06-23

Method of making perfluorocyclobutane-containing monomer

#38
20220177398
2022-06-09

Industrial Process for Manufacturing of Perfluoro (Methyl Vinyl Ether)(PFMVE) and of 2-Fluoro-1,2-Dichloro-Trifluoromethoxyethylene (FCTFE)

#39
20220127208
2022-04-28

Dimerization and trimerization of C5 olefins via catalytic distillation

#40
20220064078
2022-03-03

Use of divided wall technology to produce high purity methanol

#41
20220056351
2022-02-24

METHOD TO PRODUCE HIGH QUALITY COMPONENTS FROM RENEWABLE RAW MATERIAL

#42
20220048843
2022-02-17

Oxygen stripping in etherification, ethers decomposition and isooctene production

#43
20220017831
2022-01-20

DIESEL FUEL COMPOSITION

#44
20210380515
2021-12-09

Process and system for producing ethylene and at least one of butanol and an alkyl tert-butyl ether

#45
20210363084
2021-11-25

Etherification process

#46
20210347717
2021-11-11

Method for the production of MTBE and 1-butene from a Cfeed stream

#47
20210301213
2021-09-30

Systems and processes integrating steam cracking with dual catalyst metathesis for producing olefins

#48
20210269381
2021-09-02

Selective hydrogenolysis integrated with MTBE production

#49
20210253504
2021-08-19

Integrated process for the production of isononanol and gasoline and diesel blending components

#50
20210238485
2021-08-05

Systems and processes integrating fluidized catalytic cracking with metathesis for producing olefins

#51
20210179977
2021-06-17

1,2-dichloro-1-(2,2,2-trifluoroethoxy)ethylene, production method therefor, and uses thereof

#52
20210171848
2021-06-10

Method of producing a fuel additive

#53
20210171427
2021-06-10

Method for preparing ethers of cycloaliphatic or araliphatic diols

#54
20210101851
2021-04-08

Co-production of high purity isobutane and butene-1 from mixed C4s

#55
20210078922
2021-03-18

Sulfur injection in fluidization bed dehydrogenation on chromium catalyst for dehydrogenation process improvement and process scheme optimization

#56
20210002196
2021-01-07

Systems and methods of producing methyl tertiary butyl ether and propylene

#57
20200347245
2020-11-05

Unsaturated fatty alcohol derivatives from natural oil metathesis

#58
20200239386
2020-07-30

SYSTEM AND METHOD FOR DEHYDROGENATING ISOBUTANE TO ISOBUTYLENE

#59
20200216372
2020-07-09

Integrated process for production of ethylene from propylene

#60
20200157450
2020-05-21

Method of producing a fuel additive

#61
20200080014
2020-03-12

GTBE COMPOSITIONS, METHODS AND INSTALLATIONS FOR ENHANCED OCTANE BOOSTING

#62
20190315671
2019-10-17

Method of preparing methyl tert-butyl ether

#63
20190292120
2019-09-26

Methods for producing solvents derived from 1-chloro-3, 3, 3-trifluoro-propene (1233zd)

#64
20190248720
2019-08-15

Process for etherification of mixed olefinic light naphtha and simultaneous reduction of methanol in the product

#65
20190210949
2019-07-11

Me 1 hod for removing or collecting 2-alkoxyethanol, and method for producing (2-alkoxyethyl) vinyl ether

#66
20190210948
2019-07-11

Methods for the continuous alkoxylation and derivatization of terpenes

#67
20190185393
2019-06-20

Co-production of MTBE and alkylate

#68
20180354880
2018-12-13

METHOD FOR PRODUCING CYCLOPENTYL ALKYL ETHER COMPOUND

#69
20180179135
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#70
20180179134
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#71
20180179133
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#72
20180072637
2018-03-15

Butadiene telomerization catalyst and preparation thereof

#73
20180044271
2018-02-15

Systems and methods related to the production of methyl tert-butyl ether

#74
20180029958
2018-02-01

Paraffin removal from C4 containing streams

#75
20180016217
2018-01-18

METHODS FOR PREPARING GLYCEROL TERT-BUTYL ETHERS

#76
20180009726
2018-01-11

Production of at least 1-hexene and octene from ethene

#77
20180002300
2018-01-04

Integrated process for making propene oxide and an alkyl tert-butyl ether

#78
20170349519
2017-12-07

Methods for producing solvents derived from 1-chloro-3, 3, 3-trifluoro-propene (1233zd)

#79
20170327473
2017-11-16

Process for the preparation of tetraconazole

#80
20170217863
2017-08-03

Fluorinated tensides

#81
20170217862
2017-08-03

METHOD FOR PRODUCING CYCLOPENTYL ALKYL ETHER COMPOUND

#82
20170173595
2017-06-22

Process for preparation of high flash point frothing agent

#83
20170088496
2017-03-30

PROCESSES AND SYSTEMS FOR GENERATING GLYCEROL ETHERS THROUGH TRANSETHERIFICATION

#84
20170073289
2017-03-16

Methods and systems for separating C4 crude streams

#85
20170022125
2017-01-26

PROCESSES FOR PRODUCING POLYMER GRADE LIGHT OLEFINS FROM MIXED ALCOHOLS

#86
20160368848
2016-12-22

Process for manufacturing methyl tertiary-butyl ether (MTBE) and other hydrocarbons

#87
20160340274
2016-11-24

Process to produce linear pentenes and metathesis thereof

#88
20160326080
2016-11-10

Process for the acid-catalysed dehydration of ethanol

#89
20160326079
2016-11-10

INTEGRATED STEAM CRACKER AND MTBE PRODUCTION UNITS

#90
20160311730
2016-10-27

Process for Making Isooctenes from Aqueous Isobutanol

#91
20160257630
2016-09-08

Regeneration of a heterogeneous catalyst in ethene oligomerization

#92
20160194259
2016-07-07

Method for producing hydrocarbon products

#93
20160152527
2016-06-02

Oligomerization of C4 streams with very low 1 butene content

#94
20160052848
2016-02-25

Method for producing cycloalkyl alkyl ether compound

#95
20160046742
2016-02-18

Compound containing structural unit derived from vinyl ether compound

#96
20160023979
2016-01-28

PROCESS FOR THE ETHERIFICATION OF A POLYOL

#97
20150361030
2015-12-17

PERFLUOROPOLYVINYL MODIFIED ARYL INTERMEDIATES AND MONOMERS

#98
20150361017
2015-12-17

Processes for making magnolol derivatives

#99
20150299088
2015-10-22

Method for producing dry etching gas

#100
20150291900
2015-10-15

Process for making isooctenes from aqueous isobutanol

#101
20150291487
2015-10-15

PROCESS FOR PREPARING ETHYLENE, PROPYLENE AND ISOPRENE FROM AN OXYGENATE

#102
20150251968
2015-09-10

Process for the production of high-purity isobutene through the cracking of MTBE or ETBE and integrated process for the production of the relative ether

#103
20150239812
2015-08-27

Process for making biobased fuel additives

#104
20150239803
2015-08-27

Process for making biobased isoprene

#105
20150210607
2015-07-30

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

#106
20150183702
2015-07-02

Method for producing alkoxyphenol and alkoxy-hydroxybenzaldehyde

#107
20150166475
2015-06-18

Thioetherification of mercaptanes in C4 hydrocarbon mixtures

#108
20150148452
2015-05-28

COMPOSITION AND CURED ARTICLE COMPRISING INORGANIC PARTICLES AND EPOXY COMPOUND HAVING ALKOXYSILYL GROUP, USE FOR SAME, AND PRODUCTION METHOD FOR EPOXY COMPOUND HAVING ALKOXYSILYL GROUP

#109
20150126699
2015-05-07

Hydrocarbon conversion process

#110
20150087724
2015-03-26

Unsaturated fatty alcohol alkoxylates from natural oil metathesis

#111
20150087521
2015-03-26

Unsaturated fatty alcohol derivatives from natural oil metathesis

#112
20150005532
2015-01-01

Process for the production of 1,3-butadiene

#113
20140378711
2014-12-25

Method for synthesizing 2,7-dimethyl-2,4,6-octatriene-1,8-dialdehyde

#114
20140357902
2014-12-04

Processes for making magnolol and derivatives thereof

#115
20140142359
2014-05-22

Process to produce linear pentenes and metathesis thereof

#116
20140135536
2014-05-15

Process for production of ditrimethylolpropane

#117
20140135518
2014-05-15

Perfluoropolyvinyl modified aryl intermediates and monomers

#118
20140031583
2014-01-30

OLEFIN CONDITIONING IN A FAST CATALYTIC PYROLYSIS RECYCLE PROCESS

#119
20140012054
2014-01-09

Hydrocarbon conversion process

#120
20140005443
2014-01-02

Process for making isooctenes from aqueous isobutanol

#121
20130331613
2013-12-12

Method for preparing a glycol mono-tertiary-butylether compound

#122
20130324781
2013-12-05

Method for preparing high purity isobutene using glycolether

#123
20130281688
2013-10-24

UNSATURATED FATTY ALCOHOL COMPOSITIONS AND DERIVATIVES FROM NATURAL OIL METATHESIS

#124
20130261342
2013-10-03

Process for telomerization of butadiene using a mono-orthoalkoxy substituted catalyst

#125
20130245293
2013-09-19

Process for preparing ethylene and/or propylene

#126
20130245292
2013-09-19

Process for preparing ethylene and/or propylene and an iso-olefin-depleted olefinic product

#127
20130237714
2013-09-12

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE AND AN ISO-OLEFIN-DEPLETED C4 OLEFINIC PRODUCT

#128
20130172645
2013-07-04

Process for preparing lower olefins from an oxygenate

#129
20130172644
2013-07-04

Process for preparing lower olefins from an oxygenate

#130
20130172627
2013-07-04

PROCESS FOR PREPARING LOWER OLEFINS

#131
20130165667
2013-06-27

Method for the preparation of phosphine butadiene ligands, complexes thereof with copper and use thereof in catalysis

#132
20130131392
2013-05-23

METHODS FOR PRODUCING ETHYL TERT-BUTYL ETHER

#133
20130109899
2013-05-02

Catalyst and process for hydrocarbon conversion

#134
20130109887
2013-05-02

PROCESSES FOR PRODUCING 1-BROMO-2- (CYCLOPROPYL METHOXY)-5-FLUORO-4-METHOXYBENZENE

#135
20130102812
2013-04-25

Water-soluble fluorescent fullerene derivative, and preparation method thereof

#136
20130066032
2013-03-14

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE

#137
20130041184
2013-02-14

1,1-BIS[(ethenyloxy)methyl]cyclohexane and method of production of same

#138
20120289750
2012-11-15

Process and Apparatus for Coupling Separation and Purification of Ethyl Tert-Butyl Ether

#139
20120101307
2012-04-26

PROCESS FOR THE PREPARATION OF 1-METHYL-1-ALKOXYCYCLOPENTANES

#140
20120101306
2012-04-26

PROCESS FOR THE PREPARATION OF 1-METHYLCYCLOPENTANE DERIVATIVES

#141
20120046509
2012-02-23

Process of making alkylaromatics using EMM-12

#142
20120041244
2012-02-16

Producing 1-butene from an oxygenate-to-olefin reaction system

#143
20120016095
2012-01-19

α-(unsaturated alkoxyalkyl) acrylate composition and process for production thereof

#144
20120010451
2012-01-12

Process for obtaining high-purity 1-butene from C4 hydrocarbon mixtures

#145
20110213186
2011-09-01

Modified tubular reactor and process for effecting catalytic reactions involving thermal exchanges in which it is used

#146
20110166401
2011-07-07

Molecular sieve composition EMM-12, a method of making and a process of using the same

#147
20110160492
2011-06-30

Method of producing diethylene-glycol tert-butyl ether using isobutylene and diethylene glycol

#148
20110144378
2011-06-16

Catalytic reaction-rectification integrated process and specialized device thereof

#149
20110137086
2011-06-09

Process for telomerization of butadiene

#150
20110098511
2011-04-28

Method of preparing fluorine-containing ether

#151
20110098510
2011-04-28

Method of preparing glycerol alkyl ethers

#152
20110035993
2011-02-17

INTEGRATED BIODIESEL PRODUCTION PROCESS

#153
20110021847
2011-01-27

Ether production method involving alcohol separation by an ionic liquid

#154
20110004005
2011-01-06

RHODIUM-PHOSPHORUS COMPLEXES AND THEIR USE IN RING OPENING REACTIONS

#155
20100240850
2010-09-23

Iodinated organic substances of low molecular mass and process for preparing them

#156
20100174121
2010-07-08

PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM DRY ETHANOL

#157
20100168478
2010-07-01

PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM AQUEOUS ETHANOL

#158
20100144931
2010-06-10

Process for preparation of methyl metharylate using recycled methanol

#159
20100137668
2010-06-03

Oligomerization process

#160
20100048835
2010-02-25

Sulfonic acid group-containing carbonaceous material

#161
20100036173
2010-02-11

PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM AQUEOUS ETHANOL

#162
20100029994
2010-02-04

PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM DRY ETHANOL

#163
20100004478
2010-01-07

Fluorinated alcohols

#164
20090281359
2009-11-12

Process for olefin etherification

#165
20090253942
2009-10-08

Process for the production of alkyl ethers by the etherification of isobutene

#166
20090240086
2009-09-24

Preparation of glycerol tert-butyl ethers

#167
20090112032
2009-04-30

METHOD FOR OLEFIN PRODUCTION FROM BUTANES AND CRACKING REFINERY HYDROCARBONS

#168
20090112031
2009-04-30

METHOD FOR OLEFIN PRODUCTION FROM BUTANES USING A CATALYST

#169
20090112030
2009-04-30

METHOD FOR OLEFIN PRODUCTION FROM BUTANES

#170
20090099401
2009-04-16

Process for making isooctenes from aqueous isobutanol

#171
20090099345
2009-04-16

Carbon-based solid acid, catalyst comprising the solid acid, and reaction using the solid acid as catalyst

#172
20090076312
2009-03-19

Process for the conversion of tertiary butyl alcohol to ethyl tertiary butyl ether

#173
20090069608
2009-03-12

Method of producing tertiary amyl ethyl ether

#174
20090054710
2009-02-26

Method for the telomerization of non-cyclic olefins

#175
20090032465
2009-02-05

METHOD FOR THE ELIMINATION OF METAL COMPLEX CATALYSTS FROM TELOMERIZATION MIXTURES

#176
20090012324
2009-01-08

Process for Production of Carboxylic Acid Ester or Ether Compound

#177
20080312392
2008-12-18

PROCESS FOR PREPARING A POLYMER FROM ALLYLOXYTRIFLUOROPROPENES

#178
20080312125
2008-12-18

Process for production of cycloalkyl alkyl ethers

#179
20080262272
2008-10-23

Method for producing ethers

#180
20080234523
2008-09-25

Process for making isooctenes from aqueous 2-butanol

#181
20080220488
2008-09-11

Process for making isooctenes from dry 1-butanol

#182
20080187974
2008-08-07

Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process

#183
20080176782
2008-07-24

Production of (co)surfactants by reacting polyols with olefins

#184
20080154068
2008-06-26

Acetonitrile removal from the olefinic feed of ether production processes using ionic liquids

#185
20080132741
2008-06-05

Process for making butenes from dry isobutanol

#186
20080132732
2008-06-05

Process for making butenes from aqueous 2-butanol

#187
20080132730
2008-06-05

Process for making butenes from dry 2-butanol

#188
20080131948
2008-06-05

Process for making isooctenes from dry 2-butanol

#189
20080064837
2008-03-13

Allyloxytrifluoropropenes

#190
20080045768
2008-02-21

Molecular sieve composition, a method of making and a process of using the same

#191
20080045754
2008-02-21

Process for making butenes from dry 1-butanol

#192
20080027260
2008-01-31

MCM-22 family molecular sieve composition, its method of making, and use for hydrocarbon conversions

#193
20080021234
2008-01-24

Method for the production of 2,7-octadienyl derivatives

#194
20080015397
2008-01-17

Process for making isooctenes from aqueous 1-butanol

#195
20080015395
2008-01-17

Process for making butenes from aqueous 1-butanol

#196
20080009656
2008-01-10

Process for making isooctenes from dry isobutanol

#197
20070299276
2007-12-27

Preparation of fluoroalkoxystyrenes

#198
20070213574
2007-09-13

Method for the telomerization of non-cyclic olefins

#199
20070203369
2007-08-30

Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons

#200
20070203368
2007-08-30

Process for preparing fluorohalogenethers

#201
20070173670
2007-07-26

Process for dewatering ethanol

#202
20070161828
2007-07-12

Production process of 3-alkoxy-1-propanols, and 3-alkoxy-1-propanols obtained by the production process

#203
20070149827
2007-06-28

Process for preparing fluorohalogenethers

#204
20070123738
2007-05-31

Mixture containing 1,3-butadiene and process for producing the same

#205
20070112238
2007-05-17

Telomerization of dienes

#206
20070106098
2007-05-10

Multistage catalytic process for olefin etherification

#207
20070066781
2007-03-22

Iodinated organic substances of low molecular mass and process for preparing them

#208
20070027058
2007-02-01

Process for producing detergent molecules comprising an ether linkage from butadiene

#209
20070021318
2007-01-25

Process for producing detergent molecules comprising an ether linkage from butadiene

#210
20060235246
2006-10-19

Etherification process

#211
20060128915
2006-06-15

Process for producing fluorinated alkyl ether

#212
20060122444
2006-06-08

Method for producing butene oligomers and tert-butyl ethers from Cflows containing isobutene

#213
20060122301
2006-06-08

Fluorinated divinyl ethers

#214
20060111594
2006-05-25

Process for production of ethers

#215
20060094908
2006-05-04

Method for producing fluoroalkyl ether

#216
20060084832
2006-04-20

Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein

#217
20060065574
2006-03-30

Production of fuel components

#218
20060030741
2006-02-09

Etherification process

#219
20060025615
2006-02-02

Method for production naphthalene derivatives

#220
20050250969
2005-11-10

Propylene production

#221
20050240039
2005-10-27

Method for the telomerisation of non-cyclic olefins

#222
20050192456
2005-09-01

Method for producing a fluorinated ester compound

#223
20050119111
2005-06-02

Catalytic reactions using thermally stable resins

#224
20050107645
2005-05-19

Fluorine-containing alcohol and method for its production

#225
20050090688
2005-04-28

Metallized mesoporous silicate and method of oxidation with the same

#226
20050065060
2005-03-24

Solvents containing cycloakyl alkyl ethers and process for production of the ethers

#227
20050038305
2005-02-17

Process for producing 1-octene from butadiene

#228
20050038273
2005-02-17

Method for telomerizing non-cyclic olefins

#229
20050037940
2005-02-17

Process for producing detergent molecules comprising an ether linkage from butadiene

#230
17198735
2022-04-19

Integrated process for the production of isononanol and paraffins for producing stable / lubricating gasoline and diesel blending components

#231
14725681
2016-09-27

Processes for separating an isobutane recycle stream from a mixed C4 stream

#232
14540459
2015-11-24

Ether lubricants from fatty acids