ClassID:

91316

C07C41/09 - page 2 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of ethers by dehydration of compounds containing hydroxy groups

Recent Application in this class:
#301
20090118558
2009-05-07

Dehydration Process

#302
20090118551
2009-05-07

Integrated Separation and Preparation Process

#303
20090069607
2009-03-12

Method for the production of dimethyl ether

#304
20090062571
2009-03-05

DEHYDRATION OF ALCOHOLS TO GIVE ALKENES OR ETHERS

#305
20090054539
2009-02-26

Process for the preparation of dimethyl ether

#306
20090048468
2009-02-19

Method for the production of dimethyl ether

#307
20090036716
2009-02-05

Process for making dibutyl ethers from aqueous 1-butanol

#308
20090030240
2009-01-29

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

#309
20090023959
2009-01-22

Process for making dibutyl ethers from dry 1-butanol

#310
20090023958
2009-01-22

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

#311
20090005624
2009-01-01

Integrated Processing of Methanol to Olefins

#312
20080319236
2008-12-25

CATALYSTS, SYSTEMS AND METHODS FOR ETHER SYNTHESIS

#313
20080319093
2008-12-25

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

#314
20080306308
2008-12-11

PROCESS FOR PREPARING FLUORINE-CONTAINING ALKOXYALKANE

#315
20080306211
2008-12-11

Process for prepapring polycerol and mixed ethers

#316
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

#317
20080244960
2008-10-09

FUEL BLENDS

#318
20080228011
2008-09-18

Methods for Producing Triol Ethers by Reactive Distillation

#319
20080228010
2008-09-18

Alkoxylation process for preparing ether alkanol derivatives of phenolic compounds

#320
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

#321
20080167503
2008-07-10

PROCESS FOR PRODUCING ETHERIFIED COMPOUNDS FROM ALCOHOLS

#322
20080132734
2008-06-05

Process for making dibutyl ethers from dry 2-butanol

#323
20080132733
2008-06-05

Process for making dibutyl ethers from aqueous 2-butanol

#324
20080125311
2008-05-29

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

#325
20080112866
2008-05-15

Functionalized ionic liquids, and methods of use thereof

#326
20080103337
2008-05-01

Process for making dibutyl ethers from aqueous isobutanol

#327
20080071118
2008-03-20

Process for producing polyether polyol

#328
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

#329
20080015396
2008-01-17

Process for making dibutyl ethers from dry isobutanol

#330
20070266632
2007-11-22

Gas homogenization system

#331
20070254969
2007-11-01

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

#332
20070238905
2007-10-11

Processes for converting glycerol to glycerol ethers

#333
20070203380
2007-08-30

Light olefin production via dimethyl ether

#334
20070203371
2007-08-30

Process for producing polytrimethylene ether glycol

#335
20070155992
2007-07-05

Catalytic conversion of liquid alcohols and other reactants to products

#336
20070117709
2007-05-24

Catalyst for dimethyl ether synthesis and its preparation methods

#337
20070078285
2007-04-05

Dimethyl ether production from methanol and/or syngas

#338
20070066855
2007-03-22

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

#339
20060287405
2006-12-21

Process for the preparation of dimethylether from hydrocarbons

#340
20060235091
2006-10-19

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

#341
20060235088
2006-10-19

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

#342
20060224012
2006-10-05

PROCESS FOR PRODUCING DIMETHYL ETHER

#343
20060194889
2006-08-31

Membrane-enhanced liquid production for syngas hubs

#344
20060135823
2006-06-22

Process for preparing dimethylether from methanol

#345
20060120953
2006-06-08

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

#346
20060052646
2006-03-09

Process for producing ether compounds in presence of a copper (II) salt

#347
20050283028
2005-12-22

Process for preparation of polytrimethylene ether glycols

#348
20050203317
2005-09-15

Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers

#349
20050119111
2005-06-02

Catalytic reactions using thermally stable resins

#350
16787495
2020-09-29

Method for producing 9,9-bis(3-phenyl-4-(2-hydroxyethoxy)phenyl)fluorene

#351
16559912
2020-12-15

Process to make aromatic enol ethers and olefin isomers of aromatic enol ethers

#352
15813215
2018-11-13

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

#353
15363749
2017-05-02

Method for producing hexafluoroisopropanol and fluoromethyl hexafluoroisopropyl ether (sevoflurane)

#354
14540459
2015-11-24

Ether lubricants from fatty acids

#355
14524754
2015-10-27

Method for coproducing isobutene and ETBE from tert-Butanol mixture

#356
14220264
2015-08-25

Low-pressure synthesis of cyclohexanedimethanol and derivatives

#357
13478250
2014-05-13

Carbohydrate and polyol ethers as renewable oils, greases, and liquid fuels