ClassID:

91352

C07C43/123 - CPC Classification

Classification description:

Ethers; Compounds having groups, groups or groups; Ethers having all ether-oxygen atoms bound to acyclic carbon atoms; Saturated ethers containing halogen both carbon chains are substituted by halogen atoms

Recent Application in this class:
#1
20250230117
2025-07-17

FLUORINE-CONTAINING ETHER COMPOUND AND METHOD FOR PRODUCING THE SAME

#2
20250079520
2025-03-06

ELECTROLYTE SOLUTION FOR SODIUM-ION BATTERY, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL APPARATUS

#3
20240360062
2024-10-31

HALOGENATED ETHER-CONTAINING ELECTROLYTES

#4
20220235255
2022-07-28

FLUORINE SUBSTITUTED UNSYMMETRICAL ETHERS, AND COMPOSITIONS, METHODS AND USES INCLUDING SAME

#5
20200339494
2020-10-29

Purification method and production method of difluoromethyl-1, 2, 2, 2-tetrafluoroethyl ether

#6
20190345086
2019-11-14

Production method for 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane)

#7
20180370882
2018-12-27

Solvent composition, cleaning method, coating film-forming composition, and method of forming a coating film

#8
20140336419
2014-11-13

BIS(1,1-Dichloro-3,3,3-trifluoropropyl) ether and process for preparing the same

#9
20130116483
2013-05-09

Process for the fluorination of haloolefins

#10
20130046117
2013-02-21

Process for the manufacturing of sevoflurane

#11
20120245383
2012-09-27

FLUOROOLEFIN MONOMERS AND COPOLYMERS THEREOF

#12
20120157708
2012-06-21

Process for the manufacture of Sevoflurane

#13
20120083629
2012-04-05

METHOD FOR PRODUCING FLUORINE-CONTAINING ETHER WITH HIGH PURITY

#14
20120041237
2012-02-16

Process for producing fluoromethyl hexafluoroisopropyl ether

#15
20120022296
2012-01-26

Method for the preparation of sevoflurane

#16
20110257440
2011-10-20

Method of producing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether

#17
20110257073
2011-10-20

Methods of making fluorinated ethers, fluorinated ethers, and uses thereof

#18
20110105803
2011-05-05

METHOD OF SYNTHESIZING SEVOFLURANE

#19
20110098511
2011-04-28

Method of preparing fluorine-containing ether

#20
20110082312
2011-04-07

PRODUCTION OF COMPOUNDS COMPRISING CF30 GROUPS

#21
20100280283
2010-11-04

Distillation Method for the Purification of Sevoflurane and the Maintenance of Certain Equipment that May be Used in the Distillation Process

#22
20100249302
2010-09-30

LIQUID COMPOSITION CONTAINING PERFLUORO-CHLOROETHER SOLVENT

#23
20100234634
2010-09-16

Carboxylic acid ester, use of the same, and method for producing the same

#24
20100185020
2010-07-22

Process for production of 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane)

#25
20100108934
2010-05-06

Methods of making fluorinated ethers, fluorinated ethers, and uses thereof

#26
20100010255
2010-01-14

Alpha-fluoromethoxycarboxylic ester, process for producing the alpha-fluoromethoxycarboxylic ester, and process for producing sevoflurane

#27
20100004490
2010-01-07

Process for the preparation of chloromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether

#28
20090275785
2009-11-05

Distillation Method For The Purification Of Sevoflurane And The Maintenance Of Certain Equipment That May Be Used In The Distillation Process

#29
20090247791
2009-10-01

Process for the preparation of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether

#30
20090171128
2009-07-02

Process for the purification of fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether (sevoflurane)

#31
20090124774
2009-05-14

Fluoroolefin monomers and copolymers thereof

#32
20080306309
2008-12-11

Separation/purification of desflurane from hydrogen fluoride

#33
20080306308
2008-12-11

PROCESS FOR PREPARING FLUORINE-CONTAINING ALKOXYALKANE

#34
20080214875
2008-09-04

Purification of Fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether (sevoflurane)

#35
20080149878
2008-06-26

Fluorosurfactants

#36
20080132731
2008-06-05

Synthesis of fluorinated ethers

#37
20080097131
2008-04-24

Synthesis of carbon-labeled perfluoroalkyl compounds

#38
20080086019
2008-04-10

METHOD FOR TREATING FLUORINATED ALKYL ETHER

#39
20080076892
2008-03-27

Telomer compositions and production processes

#40
20070203368
2007-08-30

Process for preparing fluorohalogenethers

#41
20070149827
2007-06-28

Process for preparing fluorohalogenethers

#42
20070049776
2007-03-01

Preparation of Monofluoromethyl Ether

#43
20070004940
2007-01-04

Process for preparing fluorohalogenethers

#44
20060258755
2006-11-16

Preparation of sevoflurane with negligible water content

#45
20060205983
2006-09-14

Process for production of 1,2,2,2-tetrafluoro ethyl difluoro methyl ether

#46
20060205825
2006-09-14

Method for the preparation of sevoflurane

#47
20060128915
2006-06-15

Process for producing fluorinated alkyl ether

#48
20060094908
2006-05-04

Method for producing fluoroalkyl ether

#49
20060074264
2006-04-06

Method of producing a fluorine-containing vinyl ether compound

#50
20050261526
2005-11-24

Process for the purification of fluoromethyl hexafluoroisopropyl ether

#51
20050234268
2005-10-20

Chromatographic method for the analysis of both in process and finished sevoflurane

#52
20050228200
2005-10-13

Fluorinated ether compound and method for its production

#53
20050222468
2005-10-06

Process for recovery of 1,1,1,3,3,3-hexafluoroisopropanol from the waste stream of sevoflurane synthesis

#54
20050197510
2005-09-08

Synthesis of carbon-labeled perfluoroalkyl compounds