ClassID:

91345

C07C43/043 - CPC Classification

Classification description:

Ethers; Compounds having groups, groups or groups; Ethers having all ether-oxygen atoms bound to acyclic carbon atoms; Saturated ethers Dimethyl ether

Recent Application in this class:
#1
20260125336
2026-05-07

ONE-STEP PROCESS FOR PRODUCING DIMETHYL ETHER

#2
20250041835
2025-02-06

A CATALYST FOR THE CONVERSION OF CO2-RICH SYNGAS TO METHANOL AND CONVENTIONAL SYNGAS TO DIMETHYL ETHER

#3
20240417357
2024-12-19

Production of Acetic Acid through Cryogenic Separation of Syngas

#4
20240246893
2024-07-25

CO2 conversion device

#5
20230391803
2023-12-07

COMPOSITIONS AND RELATED METHODS OF ALKYLTINTRIHALIDES

#6
20230382843
2023-11-30

Catalyst for synthesizing dimethylether or methylacetate from synthetic gas, method for preparing the same, and method for preparing dimethylether or methylacetate using the same

#7
20220298095
2022-09-22

Production of acetic acid through cryogenic separation of syngas

#8
20210331147
2021-10-28

Bifunctional catalyst comprising phosphorous

#9
20210163390
2021-06-03

Process for dehydrating methanol to dimethyl ether

#10
20210163389
2021-06-03

Process for dehydrating methanol to dimethyl ether product

#11
20210046462
2021-02-18

Acid/metal bifunctional catalysts produced by slurry methods

#12
20200330965
2020-10-22

Catalyst and process for preparing dimethyl ether

#13
20200316570
2020-10-08

Catalyst system and process for preparing dimethyl ether

#14
20200238262
2020-07-30

Bifunctional catalyst comprising phosphorous

#15
20200231525
2020-07-23

Layered catalyst loading for synthesis gas conversion

#16
20200190005
2020-06-18

Process for dehydrating methanol to dimethyl ether product

#17
20200146739
2020-05-14

Dispensing system for use in cryogenic skin treatment

#18
20190194103
2019-06-27

Ether blends via reactive distillation

#19
20180171241
2018-06-21

Efficient process for converting heavy oil to gasoline

#20
20180170842
2018-06-21

PROCESSES AND APPARATUSES FOR TOLUENE METHYLATION IN AN AROMATICS COMPLEX

#21
20180170841
2018-06-21

PROCESSES AND APPARATUSES FOR TOLUENE METHYLATION IN AN AROMATICS COMPLEX

#22
20180170823
2018-06-21

EFFICIENT PROCESS FOR CONVERTING METHANOL TO GASOLINE

#23
20180155261
2018-06-07

METHOD FOR CONVERTING NATURAL GAS TO DIMETHYL ETHER

#24
20180086683
2018-03-29

SMALL SCALE PRODUCTION OF METHOXY COMPOUNDS

#25
20180036722
2018-02-08

Dehydration-hydrolysis processes and catalysts therefor

#26
20170320808
2017-11-09

Method for preparing methyl formate

#27
20170320801
2017-11-09

Ether blends via reactive distillation

#28
20130178676
2013-07-11

METHODS FOR PRODUCING LIGHT OLEFINS

#29
20130109888
2013-05-02

DME-FPSO SYSTEM FOR CONVERSION OF ASSOCIATED GAS IN OIL FIELDS AND STRANDED GAS IN STRANDED GAS FIELDS, AND PROCESS FOR PRODUCTION OF DIMETHYL ETHER USING THE SAME

#30
20130035406
2013-02-07

Synthesis of DME using a fluid pluralized bed reactor

#31
20130030063
2013-01-31

Process and method for the producton of dimethylether (DME)

#32
20120232311
2012-09-13

Method for making dimethyl ether by reactive-distillation

#33
20120232174
2012-09-13

Method for increasing the yield of a slurry bed reactor

#34
20120157554
2012-06-21

Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol

#35
20120142973
2012-06-07

Dual-bed catalytic distillation tower and method for preparing dimethyl ether using the same

#36
20120116137
2012-05-10

Single loop multistage fuel production

#37
20120115966
2012-05-10

Process for preparing methanol, dimethyl ether, and low carbon olefins from syngas

#38
20120115965
2012-05-10

Conversion of carbon dioxide to methanol using bi-reforming of methane or natural gas

#39
20120101312
2012-04-26

Method and system for producing methanol and dimethyl ether

#40
20120083539
2012-04-05

Process for preparing methanol, dimethyl ether, and low carbon olefins from syngas

#41
20120029245
2012-02-02

CATALYTIC REACTIONS USING IONIC LIQUIDS

#42
20110314834
2011-12-29

Combined production of hydrocarbons and electrical power

#43
20110313214
2011-12-22

Hydro(chloro)fluoroolefins and Method for Preparation Thereof

#44
20110301386
2011-12-08

Process for increasing the carbon monoxide content of a syngas mixture

#45
20110295043
2011-12-01

Method and device for producing dimethyl ether from methanol

#46
20110237839
2011-09-29

Modular power plant unconnected to the grid

#47
20110152593
2011-06-23

PRODUCTION OF HYDROCARBON LIQUIDS

#48
20110135556
2011-06-09

METHOD AND DEVICE FOR PRODUCING ENERGY, DME (DIMETHYL ETHER) AND BIO-SILICA USING CO2-NEUTRAL BIOGENIC REACTIVE AND INERT INGREDIENTS

#49
20110124927
2011-05-26

Selective process for conversion of syngas to ethanol

#50
20110112347
2011-05-12

PROCESS TO PREPARE AN OLEFIN-CONTAINING PRODUCT OR A GASOLINE PRODUCT

#51
20110105306
2011-05-05

Method of Fabricating Cu-Zn-Al Catalyst for Producing Methanol and Dimethyl Ether

#52
20110086928
2011-04-14

MITIGATING OR ELIMINATING THE CARBON FOOTPRINT OF HUMAN ACTIVITIES

#53
20110054045
2011-03-03

Conversion of carbon dioxide to methanol using bi-reforming of methane or natural gas

#54
20110040129
2011-02-17

Process for the production of dimethyl ether

#55
20100317900
2010-12-16

Process for the conversion of alcohol (s) into alcohol (s) with increased carbon-chain

#56
20100317747
2010-12-16

Medium oil used for a synthesis reaction, process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol

#57
20100261938
2010-10-14

Rendering natural gas as an environmentally carbon dioxide neutral fuel and a regenerative carbon source

#58
20100261937
2010-10-14

Rendering petroleum oil as an environmentally carbon dioxide neutral source material for fuels, derived products and as a regenerative carbon source

#59
20100261125
2010-10-14

Rendering coal as an environmentally carbon dioxide neutral fuel and a regenerative carbon source

#60
20100240932
2010-09-23

Process for preparing dimethyl ether

#61
20100216897
2010-08-26

PROCESS FOR THE PREPARATION OF DIMETHYL ETHER

#62
20100152474
2010-06-17

Selective oxidative conversion of methane to methanol, dimethyl ether and derived products

#63
20100137668
2010-06-03

Oligomerization process

#64
20100076227
2010-03-25

Fluidized catalytic process for production of dimethyl ether from methanol

#65
20100056831
2010-03-04

ENERGY-EFFECTIVE PROCESS FOR CO-PRODUCING ETHYLENE AND DIMETHYL ETHER

#66
20100022671
2010-01-28

Producing methanol and its products exclusively from geothermal sources and their energy

#67
20100010272
2010-01-14

Dehydration of methanol to dimethyl ether using catalysts based on a zeolite supported on silicon carbide

#68
20100010271
2010-01-14

Slurry catalyst and the preparation thereof

#69
20090326281
2009-12-31

Catalytic system and process for direct synthesis of dimethyl ether from synthesis gas

#70
20090299795
2009-12-03

Tracking feedstock production with micro scale gas-to-liquid units

#71
20090293348
2009-12-03

Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products

#72
20090285739
2009-11-19

MITIGATING OR ELIMINATING THE CARBON FOOTPRINT OF HUMAN ACTIVITIES

#73
20090282739
2009-11-19

Process for the preparation of synthesis gas from black liquor

#74
20090264543
2009-10-22

Integrated Process for the Co-Production of Methanol and Demethyl Ether From Syngas Containing Nitrogen

#75
20090230024
2009-09-17

Co-production of hydrocarbons and dimethyl ether

#76
20090163751
2009-06-25

Methods of converting methanol feedstock to olefins

#77
20090156698
2009-06-18

Process for the preparation of pure dimethyl ether

#78
20090126259
2009-05-21

Process to prepare methanol and/or dimethylether

#79
20090118558
2009-05-07

Dehydration Process

#80
20090069607
2009-03-12

Method for the production of dimethyl ether

#81
20090054539
2009-02-26

Process for the preparation of dimethyl ether

#82
20090048468
2009-02-19

Method for the production of dimethyl ether

#83
20090030240
2009-01-29

Conversion of carbon dioxide to dimethyl ether using bi-reforming of methane or natural gas

#84
20090023960
2009-01-22

System for creating dimethyl ether

#85
20090023958
2009-01-22

Process for preparing dimethyl ether from crude methanol in an adiabatic reactor

#86
20090005624
2009-01-01

Integrated Processing of Methanol to Olefins

#87
20080319236
2008-12-25

CATALYSTS, SYSTEMS AND METHODS FOR ETHER SYNTHESIS

#88
20080319093
2008-12-25

Conversion of carbon dioxide to methanol and/or dimethyl ether using bi-reforming of methane or natural gas

#89
20080313962
2008-12-25

Metal passivation

#90
20080293976
2008-11-27

Nano-structure supported solid regenerative polyamine and polyamine polyol absorbents for the separation of carbon dioxide from gas mixtures including the air

#91
20080220480
2008-09-11

Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material

#92
20080161428
2008-07-03

Pseudoisothermal ammonia process

#93
20080125311
2008-05-29

Method of producing a catalyst used for synthesizing dimethylether from a synthesis gas containing carbon dioxide

#94
20080081844
2008-04-03

Methods for producing synthesis gas

#95
20080039538
2008-02-14

Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material

#96
20070282151
2007-12-06

Manufacture of higher hydrocarbons from methane, via methanesulfonic acid, sulfene, and other pathways

#97
20070254969
2007-11-01

Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products

#98
20070249737
2007-10-25

Cyclone reactor and associated methods

#99
20070208090
2007-09-06

Method for Converting Natural Gas Into Synthesis Gas for Further Conversion Into Organic Liquids or Methanol and/or Dimethyl Ether

#100
20070203380
2007-08-30

Light olefin production via dimethyl ether

#101
20070155999
2007-07-05

Olefin production via oxygenate conversion

#102
20070142482
2007-06-21

Method for the production of dimethyl ether

#103
20070117709
2007-05-24

Catalyst for dimethyl ether synthesis and its preparation methods

#104
20070078285
2007-04-05

Dimethyl ether production from methanol and/or syngas

#105
20070066855
2007-03-22

Process for the production of dimethyl ether and the co-production of H2O

#106
20060287405
2006-12-21

Process for the preparation of dimethylether from hydrocarbons

#107
20060235091
2006-10-19

Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products

#108
20060235088
2006-10-19

Selective oxidative conversion of methane to methanol, dimethyl ether and derived products

#109
20060224012
2006-10-05

PROCESS FOR PRODUCING DIMETHYL ETHER

#110
20060194889
2006-08-31

Membrane-enhanced liquid production for syngas hubs

#111
20060135823
2006-06-22

Process for preparing dimethylether from methanol

#112
20060120953
2006-06-08

Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gas

#113
20060052647
2006-03-09

Method for producing dimethyl ether

#114
20060009662
2006-01-12

Conversion of alkanes to oxygenates

#115
20050267224
2005-12-01

Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels

#116
20050038129
2005-02-17

Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether

#117
16050847
2019-11-05

Catalytic gasification to produce methanol

#118
15813215
2018-11-13

Vanadium oxide catalyst supported on CeO—ZrOfor dimethyl ether production via oxidative dehydration of methanol

#119
15617074
2017-10-24

Catalysts and methods for converting carbonaceous materials to fuels