C07C21/19 - CPC Classification Index

ClassID:

90974 ⎘

C07C21/19 - CPC Classification

Classification description:

Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds Halogenated dienes

Sub-classes:

C07C21/20 » Halogenated butadienes 20

Recent Application in this class:

20220135504

2022-05-05

FLUOROETHYLENE COMPOSITION

20210221757

2021-07-22

Method for producing perfluoroalkadiene compounds

20200010389

2020-01-09

Method for producing perfluoroalkadiene compounds

20180305484

2018-10-25

Fluorine-containing compound having unsaturated bond, and surface modifier using the same

20180127447

2018-05-10

METATHESIS CATALYSTS AND METHODS THEREOF

20170283354

2017-10-05

Process for the preparation of vitamin K2

20160185690

2016-06-30

7-methyl-3-methylene-7-octenyl halide, method for producing the same, and method for producing 7-methyl-3-methylene-7-octenyl propionate

20120267571

2012-10-25

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

20120022300

2012-01-26

Methods for making 3-chloro-1,1,1,6,6,6-hexafluoro-2,4-hexadiene

#10

20110224125

2011-09-15

3-chloro 1,1,1,6,6,6-hexafluoro-2,4-hexadiene and solvent compositions containing the same

#11

20110207967

2011-08-25

Process for the preparation of vitamin K2

#12

20110077371

2011-03-31

Polyfluoroalkadiene mixture and method for producing the same

#13

20080262195

2008-10-23

Method of preparing perfluoroalkadiene