ClassID:

90938

C07C17/386 - CPC Classification

Classification description:

Preparation of halogenated hydrocarbons; Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds

Recent Application in this class:
#1
20260091325
2026-04-02

METHOD FOR PRODUCING PURIFIED DIFLUOROMETHANE (HFC-32), AND COMPOSITION CONTAINING HFC-32

#2
20260022086
2026-01-22

PROCESSES FOR MAKING ETHYLENE DICHLORIDE FROM MONOETHYLENE GLYCOL

#3
20250340499
2025-11-06

METHOD FOR PRODUCING PURIFIED TRANS-1,2-DIFLUOROETHYLENE (HFO-1132(E)) AND COMPOSITION CONTAINING HFO-1132(E)

#4
20250270157
2025-08-28

METHOD FOR SEPARATING CHLORODIFLUOROMETHANE AND HEXAFLUOROPROPYLENE

#5
20240246891
2024-07-25

METHOD FOR PRODUCING TRIFLUOROETHYLENE AND RECYCLING THE CHLOROTRIFLUOROETHYLENE STREAM

#6
20240182386
2024-06-06

PROCESS FOR SEPARATING COMPONENTS OF AZEOTROPIC MIXTURES USING IONIC LIQUIDS

#7
20230415066
2023-12-28

PROCESS FOR SEPARATING MOLECULES FROM A MIXTURE OF FLUIDS COMPRISING AT LEAST ONE FLUORINATED COMPONENT

#8
20230406836
2023-12-21

PROCESS TO CONTINUOUSLY PREPARE A CYCLIC CARBONATE

#9
20230063030
2023-03-02

Method for Producing (Hydro)Halocarbon

#10
20220153673
2022-05-19

Methods for separation of azeotrope or azeotrope-like compositions of trifluoroiodomethane (CFI) and trifluoroacetyl chloride (CFCOCI)

#11
20210363076
2021-11-25

Method for preparing 2-methylallyl chloride from 1,2-dichloroisobutane

#12
20210214293
2021-07-15

Process for purification of olefin feed comprising 1234YF

#13
20210101854
2021-04-08

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

#14
20200277245
2020-09-03

Method of purifying (Z)-1-chloro-2,3,3,3-tetrafluoropropene

#15
20200247735
2020-08-06

Method for producing hexafluorobutadiene

#16
20200165181
2020-05-28

Method for purifying 1,1,1,2,2-pentafluoropropane and method for preparing 2,3,3,3-tetrafluoro-1-propene

#17
20200165180
2020-05-28

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

#18
20200157029
2020-05-21

Method for purifying 2-chloro-3,3,3-trifluoropropene and method for preparing 2,3,3,3-tetrafluoro-1-propene

#19
20200115304
2020-04-16

Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF3I) and 1,1,3,3,3,-pentafluoropropene (HFO-1225zc)

#20
20200010392
2020-01-09

Processes and systems for recovering R1233ZD in purified form

#21
20190352242
2019-11-21

SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROPENE, HF, AND A HEAVY ORGANIC AND REACTOR PURGE

#22
20190210944
2019-07-11

Systems and methods for reducing the formation of impurities during 244bb dehydrochlorination to 1234yf

#23
20190031581
2019-01-31

Method for separating materials by means of an extractive distillation process

#24
20190023631
2019-01-24

Processes for preparing halogenated alkanes

#25
20190016653
2019-01-17

Azeotropic or quasi-azeotropic composition comprising trifluoropropyne

#26
20190002376
2019-01-03

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

#27
20190002375
2019-01-03

Manufacturing method of purified 1-chloro-2,3,3,3-Tetrafluoropropene and purified 1-chloro-2,3,3,3-tetrafluoropropene (Z)

#28
20180370881
2018-12-27

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

#29
20180370880
2018-12-27

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

#30
20180194703
2018-07-12

SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROPENE, HF, AND A HEAVY ORGANIC AND REACTOR PURGE

#31
20180155259
2018-06-07

Method for producing fluorine-containing compounds

#32
20180127340
2018-05-10

Process for the purification of pentafluoroethane

#33
20180118651
2018-05-03

Process for producing acetic acid

#34
20180029962
2018-02-01

Process for the separation of 2-chloro-1,1-difluoroethane and trans-dichloroethylene

#35
20170320798
2017-11-09

Method for isolating HFC-245cb and (E)-HFO-1234ze from composition containing both compounds

#36
20170313639
2017-11-02

INTEGRATED PROCESS TO PRODUCE 2,3,3,3-TETRAFLUOROPROPENE

#37
20170174590
2017-06-22

Methods for recovering chlorinated hydrocarbons

#38
20160221898
2016-08-04

Integrated process to produce 2,3,3,3-tetrafluoropropene

#39
20160016868
2016-01-21

Method of obtaining a combination of Z and E stereoisomers of 1-chloro-3,3,3-trifluoropropene

#40
20150376094
2015-12-31

Methods for recovering chlorinated hydrocarbons

#41
20150291490
2015-10-15

Method for purifying tetrafluoropropene

#42
20150266799
2015-09-24

Methods for recovering chlorinated hydrocarbons

#43
20150005539
2015-01-01

Process for the removal of contaminant from a hydrochlorofluoroolefin by extractive distillation

#44
20150005536
2015-01-01

Process for the manufacture of 2,3,3,3-tetrafluoropropene

#45
20140284517
2014-09-25

Azeotrope-like compositions of tetrafluoropropene and water

#46
20140275660
2014-09-18

Method for mitigating HCL generation during 1,1,2,3-tetrachloropropene purification

#47
20140275652
2014-09-18

Integrated process to produce 2,3,3,3-tetrafluoropropene

#48
20140228601
2014-08-14

Methods for recovering 1,1,1,2,3-pentachloropropane

#49
20130296617
2013-11-07

Method of obtaining a combination of Z and E stereoisomers of hydrofluoroolefins

#50
20130105296
2013-05-02

Purification method of 2,3,3,3-tetrafluoropropene

#51
20120323054
2012-12-20

Purification of cis-1,1,1,4,4,4-hexafluoro-2-butene via extractive distillation

#52
20120305382
2012-12-06

Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation

#53
20120261252
2012-10-18

Processes for separation of 2,3,3,3-tetrafluoropropene from hydrogen fluoride by azeotropic distillation

#54
20120215040
2012-08-23

Fluorine-containing compound purification method

#55
20120165579
2012-06-28

PROCESS FOR THE SEPARATION OF FLUOROCARBONS USING IONIC LIQUIDS

#56
20120119139
2012-05-17

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#57
20120006672
2012-01-12

Method for separating hexafluoropropylene oxide from hexafluoropropylene

#58
20120004475
2012-01-05

PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS

#59
20110295045
2011-12-01

Azeotrope-like composition of hexafluoropropane, hexafluoropropene and hydrogen fluoride

#60
20110287996
2011-11-24

Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride

#61
20110275724
2011-11-10

Azeotrope-like compositions of pentafluoropropene and water

#62
20110275723
2011-11-10

Azeotrope-like compositions of tetrafluoropropene and water

#63
20110270001
2011-11-03

Method of purifying (Z)-1-chloro-3,3,3-trifluoropropene

#64
20110257444
2011-10-20

AZEOTROPE COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPENE AND HYDROGEN FLUORIDE AND USES THEREOF

#65
20110240902
2011-10-06

Azeotrope-like composition of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF)

#66
20110237847
2011-09-29

Process for the manufacture fluorocarbons

#67
20110144395
2011-06-16

PROCESS TO REMOVE HF FROM 1,1,1,2,2,3,4,5,5,5-DECAFLUOROPENTANE

#68
20110118512
2011-05-19

Processes for production and purification of hydrofluoroolefins

#69
20110112342
2011-05-12

Methods of removing impurities from alkyl bromides during distillation and distillate produced therein

#70
20110101264
2011-05-05

Hydrogen fluoride-HFC-254eb azeotrope and its uses

#71
20110009678
2011-01-13

COMPOSITIONS CONTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS

#72
20100308259
2010-12-09

PROCESS FOR SEPARATING A FLUOROOLEFIN FROM HF BY LIQUID-LIQUID EXTRACTION

#73
20100203167
2010-08-12

AZEOTROPE COMPOSITIONS COMPRISING DECAFLUOROPENTANE AND HYDROGEN FLUORIDE AND USES THEREOF

#74
20100193347
2010-08-05

Process for the purification of hydrofluoroolefins

#75
20100187464
2010-07-29

Azeotrope compositions comprising 1,1,1,2,3-pentafluoropropene and hydrogen fluoride and uses thereof

#76
20100187088
2010-07-29

Separation of close boiling compounds by addition of a third compound

#77
20100113322
2010-05-06

Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride

#78
20100105932
2010-04-29

Recovery of components making up a liquid mixture

#79
20090267022
2009-10-29

Process and methods of purification for the manufacture fluorocarbons

#80
20090242832
2009-10-01

Azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) and 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb)

#81
20090127496
2009-05-21

Tetrafluoropropene production processes

#82
20090099394
2009-04-16

Process for obtaining a purified hydrofluoroalkane

#83
20090065345
2009-03-12

METHOD AND DEVICE FOR PURIFYING 1,4-BIS (BROMODIFLUOROMETHYL) BENZENE

#84
20090048470
2009-02-19

Process for producing hydroxy compound

#85
20090005616
2009-01-01

Purification of 1,2,3,3,3-Pentafluoropropene by Extractive Distillation

#86
20080293978
2008-11-27

Process for the separation of fluorocarbons using ionic liquids

#87
20080287715
2008-11-20

Polymerization inhibitor for tetrafluoroethylene

#88
20080241095
2008-10-02

Antifoulant for hydrocarbon processing equipment

#89
20080154072
2008-06-26

Production Vessel Mixtures

#90
20080108852
2008-05-08

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#91
20080051612
2008-02-28

Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation

#92
20080045758
2008-02-21

Halocarbon production processes, halocarbon separation processes, and halocarbon separation systems

#93
20080045432
2008-02-21

Azeotropic or azeotropic-like compositions of 1,1,1-trifuoroethane and 1-chloro-2,2,2-trifluoroethane

#94
20080044322
2008-02-21

Halocarbon production systems

#95
20080042103
2008-02-21

Azeotrope-like compositions of difluoromethane

#96
20080011678
2008-01-17

Process for separating a fluoroolefin from HF by liquid-liquid extraction

#97
20070297965
2007-12-27

Process for purifying perfluorinated products

#98
20070278087
2007-12-06

Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride

#99
20070191652
2007-08-16

Process for production of 1,1,1,2- tetrafluoroethane and/or pentafluorethane and applications of the same

#100
20070131535
2007-06-14

Utilizing ionic liquids for hydrofluorocarbon separation

#101
20070112231
2007-05-17

Process for obtaining a purified hydrofluoroalkane

#102
20070100176
2007-05-03

Azeotrope compositions comprising tridecafluoro-3-heptene and hydrogen fluoride and uses thereof

#103
20070100175
2007-05-03

Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof

#104
20070099811
2007-05-03

Azeotrope compositions comprising nonafluoropentene and hydrogen fluoride and uses thereof

#105
20060199982
2006-09-07

Method of manufacture of a hydrofluoroalkane

#106
20060161029
2006-07-20

Production and purification processes

#107
20060116538
2006-06-01

Azeotrope compositions comprising 1,1,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof

#108
20060108213
2006-05-25

Production processes

#109
20060106263
2006-05-18

Process for production of azeotrope compositions comprising hydrofluoroolefin and hydrogen fluoride and uses of said azeotrope compositions in separation processes

#110
20060030508
2006-02-09

Azeotrope-like compositions of difluoromethane

#111
20060030507
2006-02-09

Azeotrope-like compositions of 1,1,1,3,3-pentachloropropane and carbon tetrachloride

#112
20050256349
2005-11-17

Method and device for purifying 1,4-bis (bromodifluoromethyl) benzene

#113
20050177012
2005-08-11

Halocarbon production processes, halocarbon separation processes, and halocarbon separation systems

#114
20050171391
2005-08-04

Method of manufacture of a hydrofluoroalkane

#115
20050101810
2005-05-12

Processes for separating 1,1,1,3,3-pentafluoropropane from a mixture comprising 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene

#116
20050080302
2005-04-14

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#117
20050077501
2005-04-14

Azeotrope-like compositions of trifluoroethane and hydrogen fluoride