ClassID:

90939

C07C17/389 - CPC Classification

Classification description:

Preparation of halogenated hydrocarbons; Separation; Purification; Stabilisation; Use of additives by adsorption on solids

Recent Application in this class:
#1
20260138938
2026-05-21

SEPARATION METHOD

#2
20250368591
2025-12-04

METHOD FOR PURIFYING VINYLIDENE FLUORIDE

#3
20250326703
2025-10-23

HIGH PURITY FLUOROOLEFIN COMPOSITIONS AND METHODS OF IMPURITY REMOVAL

#4
20250136534
2025-05-01

METHOD FOR PRODUCING VINYL CHLORIDE MONOMER FROM CARBON DIOXIDE

#5
20250074847
2025-03-06

COMPOSITIONS AND METHODS FOR SYNTHESIS OF 2,3-DICHLORO-1,1,1,2-TETRAFLUOROPROPANE AND 2,3,3,3-TETRAFLUOROPROPENE

#6
20250058267
2025-02-20

TWO-STAGE METHOD FOR RECOVERING HALOGENATED HYDROCARBONS

#7
20250002433
2025-01-02

METHOD AND APPARATUS FOR RECOVERING UNREACTED MONOMER

#8
20240360057
2024-10-31

METHOD FOR EXTRACTING ORGANIC HALOGEN COMPOUND

#9
20240101498
2024-03-28

Process for the reduction of RC=CX impurities in fluoroolefins

#10
20240025825
2024-01-25

A PROCESS FOR THE PURIFICATION OF FLUORINATED OLEFINS

#11
20240018072
2024-01-18

METHOD FOR REDUCING IMPURITIES IN TRIFLUOROIODOMETHANE PROCESS

#12
20230202951
2023-06-29

Method for purifying 1,2-difluoroethylene (HFO-1132)

#13
20220402843
2022-12-22

Methods for removal HI/I/HIfrom trifluoroacetyl iodide (TFAI) feedstock and pyrolysis reactor effluent

#14
20220363614
2022-11-17

Process for the reduction of RƒC≡CX impurities in fluoroolefins

#15
20220306557
2022-09-29

Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene

#16
20220281786
2022-09-08

DEHYDRATION METHOD FOR FLUORINE-BASED HYDROCARBON COMPOUND

#17
20220281785
2022-09-08

PURIFICATION METHOD FOR FLUOROOLEFIN HAVING STRUCTURE OF =CF2 OR =CHF, HIGH-PURITY FLUOROOLEFIN, AND PRODUCTION METHOD THEREFOR

#18
20220280908
2022-09-08

Selective adsorption of halocarbon impurities containing cl, br and i in fluorocarbons or hydrofluorocarbons using adsorbent supported metal oxide

#19
20220135502
2022-05-05

AN ADSORBENT FOR SEPARATING ORGANOCHLORIDE COMPOUND FROM LIQUID HYDROCARBON AND A PROCESS THEREOF

#20
20220112144
2022-04-14

Methods for removal HI/I/HI from trifluoroacetyl iodide (TFAI) feedstock and pyrolysis reactor effluent

#21
20220111326
2022-04-14

Two-stage method for recovering halogenated hydrocarbons

#22
20210323899
2021-10-21

Method for purifying 1,2-difluoroethylene (HFO-1132)

#23
20210214294
2021-07-15

Process for the reduction of RC=CX impurities in fluoroolefins

#24
20210214293
2021-07-15

Process for purification of olefin feed comprising 1234YF

#25
20210147324
2021-05-20

Compositions and methods for the purification of CFC-113 by adsorption

#26
20210053896
2021-02-25

Method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, and composition

#27
20210047250
2021-02-18

Method of converting a brominated hydrocarbon to a chlorinated hydrocarbon

#28
20200239389
2020-07-30

Separation method for halogenated unsaturated carbon compound

#29
20200172457
2020-06-04

Processes for producing high-purity trifluoroiodomethane

#30
20200101417
2020-04-02

Process for drying a gas stream comprising 2,3,3,3 tetrafluoropropene

#31
20200071338
2020-03-05

Cavitand compositions and methods of use thereof

#32
20200038800
2020-02-06

Process for purifying (hydro)fluoropropenes contaminated with halogenated ethane

#33
20190300461
2019-10-03

Process for the reduction of RƒC≡CX impurities in fluoroolefins

#34
20190134560
2019-05-09

Hydrochloric acid purification process and plant

#35
20190083927
2019-03-21

Process for drying a gas stream comprising 2,3,3,3 tetrafluoropropene

#36
20190047927
2019-02-14

Methods for removing halogenated ethylene impurities in 2, 3, 3, 3-tetrafluoropropene product

#37
20190023631
2019-01-24

Processes for preparing halogenated alkanes

#38
20180370936
2018-12-27

Processes and systems for removing an alkyl iodide impurity from a recycle gas stream in the production of ethylene oxide

#39
20180346396
2018-12-06

Method for purifying and drying a hydrofluoroolefin stream

#40
20180258018
2018-09-13

Process for the reduction of RC=CX impurities in fluoroolefins

#41
20180251416
2018-09-06

Process for the preparation of 2,3,3,3-tetrafluoropropene from methyl chloride and chlorodifluoromethane

#42
20180222823
2018-08-09

Separation method for halogenated unsaturated carbon compound

#43
20180044269
2018-02-15

PROCESS FOR PURIFYING (HYDRO)HALOCARBON COMPOSITIONS

#44
20170369404
2017-12-28

Method for purifying fluorinated hydrocarbon compound

#45
20170319720
2017-11-09

Method for preparing organic fluoride-aliphatic compound and method for purifying organic fluoride-aliphatic compound

#46
20170267614
2017-09-21

Process for the reduction of RC≡CX impurities in fluoroolefins

#47
20170209848
2017-07-27

Activated carbon with excellent adsorption performance and process for producing same

#48
20170189890
2017-07-06

Carbohydrate-mediated purification of petrochemicals

#49
20170121257
2017-05-04

Process for purifying (hydro)fluoroalkenes

#50
20170113987
2017-04-27

Process for reducing 1233xf concentration in 244bb

#51
20170100691
2017-04-13

Process for purifying (hydro) fluoropropenes contaminated with halogenated ethane

#52
20170081265
2017-03-23

Process for drying HCFO-1233zd

#53
20170050905
2017-02-23

Methods for removing acidic impurities from halogenated propenes

#54
20170001931
2017-01-05

Methods for removing halogenated ethylene impurities in 2, 3, 3, 3-tetrafluoropropene product

#55
20160347693
2016-12-01

Method for purifying fluid that includes trifluoroethylene, and method for producing trifluoroethylene

#56
20160318832
2016-11-03

Method for purifying hydrofluorocarbon compound

#57
20160311735
2016-10-27

Methods for regenerating solid adsorbents

#58
20160297685
2016-10-13

Zeolite monolith and method of making the same, composite with zeolite monolith and method of making the same, and method for incorporating two or more zeolite monoliths

#59
20160272560
2016-09-22

Process for drying HCFO-1233zd

#60
20160115105
2016-04-28

Process for purifying (hydro)fluoroalkenes

#61
20160060193
2016-03-03

DICHLOROMETHANE PURIFICATION METHOD AND PROCESS FOR PRODUCING DIFLUOROMETHANE USING THE SAME

#62
20160060192
2016-03-03

Process for purifying (hydro)halocarbon compositions

#63
20160052842
2016-02-25

PROCESS FOR THE REDUCTION OF RfC=CX IMPURITIES IN FLUOROOLEFINS

#64
20160023034
2016-01-28

Methods for purifying and stabilizing hydrofluoroolefins and hydrochlorofluoroolefins

#65
20160016868
2016-01-21

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

#66
20150259267
2015-09-17

PROCESS FOR THE REDUCTION OF RfC=CX IMPURITIES IN FLUOROOLEFINS

#67
20150191407
2015-07-09

Process for purifying (hydro)fluoroalkenes

#68
20150087869
2015-03-26

CAPTURE OF TRIFLUOROMETHANE USING MOLECUAR SIEVES

#69
20150044117
2015-02-12

Cavitand compositions and methods of use thereof

#70
20150011803
2015-01-08

Method for purifying (E)-1-chloro-3,3,3-trifluoropropene

#71
20150005536
2015-01-01

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

#72
20140303413
2014-10-09

Methods to separate halogentated olefins from 2-chloro-1,1,1,2-tetrafluoropropane using a solid adsorbent

#73
20140284517
2014-09-25

Azeotrope-like compositions of tetrafluoropropene and water

#74
20140275662
2014-09-18

Process to suppress the formation of 3,3,3-trifluoropropyne in fluorocarbon manufacture

#75
20140275655
2014-09-18

Methods for removing halogenated ethylene impurities in 2,3,3,3-tetrafluoropropene product

#76
20140141963
2014-05-22

Zeolites and composites incorporating zeolites

#77
20140113811
2014-04-24

Nanostructured carbon materials for adsorption of methane and other gases

#78
20140051896
2014-02-20

Method for purifying trans-1,3,3,3-tetrafluoropropene

#79
20130296617
2013-11-07

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

#80
20130158305
2013-06-20

Method for removing moisture from fluorine-containing compounds

#81
20130085308
2013-04-04

Methods to separate halogentated olefins from 2-chloro-1,1,1,2-tetrafluoropropane using a solid adsorbent

#82
20120266750
2012-10-25

Purification of trans-1,3,3,3-tetrafluoropropene

#83
20120226081
2012-09-06

Method to purify and stabilize chloroolefins

#84
20120203037
2012-08-09

Process for purifying (hydro) fluoroalkenes

#85
20120059204
2012-03-08

METHOD FOR PURIFYING ORGANIC SOLVENT

#86
20110295045
2011-12-01

Azeotrope-like composition of hexafluoropropane, hexafluoropropene and hydrogen fluoride

#87
20110275724
2011-11-10

Azeotrope-like compositions of pentafluoropropene and water

#88
20110275723
2011-11-10

Azeotrope-like compositions of tetrafluoropropene and water

#89
20110124942
2011-05-26

Aggregate zeolitic absorbents, their method of preparation and their uses

#90
20110105809
2011-05-05

Process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf)

#91
20110034740
2011-02-10

Method for purifying tetrafluoroethylene

#92
20110009678
2011-01-13

COMPOSITIONS CONTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS

#93
20100197967
2010-08-05

PROCESS FOR THE PURIFICATION OF ALPHA, OMEGA-DIIODOPERFLUORINATED COMPOUNDS

#94
20100162738
2010-07-01

Process for drying a gas stream comprising 2,3,3,3 tetrafluoropropene

#95
20100150812
2010-06-17

Indirectly heated temperature controlled adsorber for sorbate recovery

#96
20100130798
2010-05-27

Production process for 1,2,3,4-tetrachlorohexafluorobutane and refining process

#97
20090270579
2009-10-29

Process for the manufacture of 1,2-dichloroethane

#98
20090270568
2009-10-29

Process for the manufacture of 1,2-dichloroethane

#99
20090203945
2009-08-13

Method for producing fluorinated organic compounds

#100
20090171130
2009-07-02

1,4-bis(bromodifluoromethyl) tetrafluorobenzene and producing method thereof

#101
20090099394
2009-04-16

Process for obtaining a purified hydrofluoroalkane

#102
20090048470
2009-02-19

Process for producing hydroxy compound

#103
20080011159
2008-01-17

Use of molecular sieves for the removal of HFC-23 from fluorocarbon products

#104
20070208154
2007-09-06

Low fouling and high activity polymerization process

#105
20070197843
2007-08-23

Method for purification of 1,1-dichloroethane and process for production of 1,1-difluroethane using this method

#106
20070135617
2007-06-14

Purification method of 1,1-difluoroethane

#107
20070112231
2007-05-17

Process for obtaining a purified hydrofluoroalkane

#108
20070015944
2007-01-18

Process for the purification of (hydro) halocarbons

#109
20050178731
2005-08-18

Gas for plasma reaction and process for producing thereof

#110
20050143607
2005-06-30

Method for the preparation of α,α, α′,α′-tetrachloro-p-xylene

#111
20050133360
2005-06-23

Process for the purification of pharmaceutical grade HFC-134a and polymer grade HCFC-22

#112
20050124834
2005-06-09

Process for purifying pentafluoroethane, process for producing the same, and use thereof

#113
20050096490
2005-05-05

Purification of perfluoromethane