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Class Information
Number: 570/229
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Halogen containing > Processes of preparing, purifying, or recovering unsaturated compound > Dehydrohalogenation > Including chemical reaction with by-product hydrogen halide
Description: Process wherein a substance is present to react with the hydrogen halide removed from the compound.

Patents under this class:

Patent Number Title Of Patent Date Issued
8258355 Processes for preparing 1,1,2,3-tetrachloropropene Sep. 4, 2012
8115038 Methods of making chlorinated hydrocarbons Feb. 14, 2012
5705720 Continuous process for cracking 1,2-dichloroethane Jan. 6, 1998
5672792 Process for preparing chloroprene Sep. 30, 1997
5659093 Method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene Aug. 19, 1997
5545781 Process for dehydrochlorinating 3,4-dichloro-1-butene to yield chloroprene Aug. 13, 1996
5176897 Catalytic destruction of organohalogen compounds Jan. 5, 1993
5151263 Process for the catalyic decomposition of chlorofluoro-alkanes Sep. 29, 1992
5118492 Process for the catalytic decomposition of chlorofluoro-alkanes Jun. 2, 1992
4650914 Process for producing 1,1,2,3-tetrachloropropene Mar. 17, 1987
4629816 Process for the production of 2,3-dichlorobutadiene-(1,3) Dec. 16, 1986
4605800 Process for the manufacture of chloroprene Aug. 12, 1986
4540838 Process for producing chloroprene Sep. 10, 1985
4535194 Process for producing 1,1,2,3-tetrachloropropene Aug. 13, 1985
4510341 Process for producing chloroprene Apr. 9, 1985
4418232 Dehydrohalogenation process Nov. 29, 1983
RE31330 1,1,1-Trihalogeno-4-methylpentenes, method of preparing the same and use of the same in the preparation of 1,1-dihalogeno-4-methyl-1,3-pentadienes Aug. 2, 1983
4384159 Catalytic dehydrohalogenation process May. 17, 1983
4308410 Production of chloroprene Dec. 29, 1981
4215078 Process for manufacturing chloroprene and 2,3-dichlorobutadiene-1,3 Jul. 29, 1980
4132741 Process for producing haloprene Jan. 2, 1979
4130596 Process for producing chloroprene monomer having a little content of acetaldehyde Dec. 19, 1978
4125564 Process for producing chloroprene Nov. 14, 1978
4104316 Process for the preparation of 2-chlorobuta-1,3-diene Aug. 1, 1978
4078008 Process for the preparation of dienes Mar. 7, 1978
4070404 Process to 1,1-dihalo-4-methyl-1,3-pentadienes, pyrethroid insecticide intermediates Jan. 24, 1978
4051182 Process for the manufacture of .alpha.-chloropropionyl chloride Sep. 27, 1977
4035429 Method of producing 2,3-dichlorbutadiene-1,3 Jul. 12, 1977
3993705 Chlorinated hydrocarbons Nov. 23, 1976
3992461 Method of producing chloroprene Nov. 16, 1976
3984489 Stabilization of vinylidene chloride during manufacturing and purification Oct. 5, 1976
3981937 Dehydrohalogenation of 3,4-dichloro-1-butene Sep. 21, 1976
3980722 Production of bromostyrene, dibromostyrene and alkyl bromides Sep. 14, 1976
3978146 Production of 2-chlorobutadiene-1,3 Aug. 31, 1976
3965203 Process for the production of 2-chlorobutadiene-1,3 from 3,4-dichlorobutene-1 Jun. 22, 1976
3936508 Process for the preparation of chloroprene Feb. 3, 1976

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