ClassID:

90973

C07C21/185 - CPC Classification

Classification description:

Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine tetrafluorethene

Recent Application in this class:
#1
20210070679
2021-03-11

Method for producing tetrafluoroethylene and/or hexafluoropropylene

#2
20200346999
2020-11-05

METHOD FOR STORING TETRAFLUOROPROPENE AND CONTAINER FOR STORING TETRAFLUOROPROPENE

#3
20200239389
2020-07-30

Separation method for halogenated unsaturated carbon compound

#4
20200224822
2020-07-16

Storage method for hydrochlorofluoroolefin, and storage container for hydrochlorofluoroolefin

#5
20200165179
2020-05-28

Process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf)

#6
20200002254
2020-01-02

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

#7
20190218163
2019-07-18

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

#8
20190077733
2019-03-14

Liquid phase process for preparing (E)-1,1,1,4,4,4-hexafluorobut-2-ene

#9
20180291248
2018-10-11

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME

#10
20180222823
2018-08-09

Separation method for halogenated unsaturated carbon compound

#11
20180016213
2018-01-18

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

#12
20170152422
2017-06-01

Compositions containing fluorine substituted olefins and methods and systems using same

#13
20160289148
2016-10-06

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

#14
20150196887
2015-07-16

Reactor and agitator useful in a process for making 1-chloro-3,3,3-trifluoropropene

#15
20150051426
2015-02-19

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

#16
20140323672
2014-10-30

Perflouoro-t-butoxy allyl and propargyl ethers

#17
20120305382
2012-12-06

Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation

#18
20120267571
2012-10-25

Compounds for a liquid-crystalline medium, and the use thereof for high-frequency components

#19
20110184214
2011-07-28

Process of making fluoroolefins by thermal decomposition of fluorinated materials

#20
20110172471
2011-07-14

Conversion of fluorocarbons

#21
20110034740
2011-02-10

Method for purifying tetrafluoroethylene

#22
20100308259
2010-12-09

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

#23
20100268001
2010-10-21

Process for the preparation of halo-olefins

#24
20100145110
2010-06-10

Conversion of fluorocarbons

#25
20100144994
2010-06-10

Process for separation of tetrafluoroethylene from carbon dioxide using ionic liquids

#26
20100044620
2010-02-25

Compositions that can be used as refrigerants

#27
20100012900
2010-01-21

Non-ignitable gaseous composition comprising difluoromethane and tetrafluoroethylene

#28
20090069589
2009-03-12

Processes for producing hydrohalocarbon and halocarbon compounds using silicon tetrafluoride

#29
20090036719
2009-02-05

Conversion of fluorocarbons

#30
20080287715
2008-11-20

Polymerization inhibitor for tetrafluoroethylene

#31
20080076950
2008-03-27

Photochlorination And Dehydrohalogenation Process For Preparation Of Olefinic Compounds

#32
20080051612
2008-02-28

Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation

#33
20080015277
2008-01-17

Use of copolymers of perfluoro(alkyl vinyl ether) for photochemical reactions

#34
20080011678
2008-01-17

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

#35
20070265368
2007-11-15

Functionalized Copolymers of Terminally Functionalized Perfluoro (Alkyl Vinyl Ether) Reactor Wall for Photochemical Reactions, Process for Increasing Fluorine Content in Hydrocaebons and Halohydrocarbons and Olefin Production

#36
20060178541
2006-08-10

Conversion of fluorocarbons

#37
20060142622
2006-06-29

Synthesis of perfluoroolefins

#38
20060020106
2006-01-26

Process for producing fluoromonomer

#39
20050288536
2005-12-29

Production processes

#40
20050261528
2005-11-24

Preparation of halo-olefin

#41
20050240067
2005-10-27

Process for manufacturing fluoroolefins

#42
20050137430
2005-06-23

Pyrolysis process