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Class Information
Number: 570/202
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Halogen containing > Processes of preparing, purifying, or recovering benzene ring containing compound > Isomerization
Description: Process wherein a compound is converted into another compound of differing structure but of the same empirical formula as the starting compound.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7268262 |
Method for recovering trans-1,2-dichloroethene |
Sep. 11, 2007 |
| 7138554 |
Synthesis of (dibromocyclobuta) aromatic compounds |
Nov. 21, 2006 |
| 6781021 |
Method for isomerizing halogenated aromatics |
Aug. 24, 2004 |
| 6235952 |
Method for isomerizing halogenated ethylbenzene and method for separating halogenated ethylbenzene isomers |
May. 22, 2001 |
| 5466881 |
Process for preparing m-chloroaromatics |
Nov. 14, 1995 |
| 5466881 |
Process for preparing m-chloroaromatics |
Nov. 14, 1995 |
| 5180862 |
Process for isomerizing trichlorobenzene |
Jan. 19, 1993 |
| 5159082 |
Process for producing aromatic compound |
Oct. 27, 1992 |
| 5051536 |
Method for isomerizing 1,2-dichloroethene |
Sep. 24, 1991 |
| 5043493 |
Process for the preparation of 2-chloro- or 2-bromo-naphthalene |
Aug. 27, 1991 |
| 5030777 |
Synthesis of 3,5-dichloroalkylbenzene and recovery of 1,3-dichlorobenzene |
Jul. 9, 1991 |
| 4962245 |
Process for preparing halogenated benzene derivatives |
Oct. 9, 1990 |
| 4935561 |
Process for isomerizing monochlorotoluenes or dichlorotoluenes |
Jun. 19, 1990 |
| 4895993 |
Promoters for haloalkene isomerization |
Jan. 23, 1990 |
| 4861928 |
Process for the isomerization of dichlorotoluene |
Aug. 29, 1989 |
| 4808759 |
Process for the catalytic trans-halogenation of a poly-iodo-benzene |
Feb. 28, 1989 |
| 4806697 |
Selective liquid phase disproportionation catalysts for iodoaromatics |
Feb. 21, 1989 |
| 4806698 |
Liquid phase isomerization of iodoaromatic compounds |
Feb. 21, 1989 |
| 4792641 |
Process for preparing iodinated aromatic compounds |
Dec. 20, 1988 |
| 4774371 |
Adsorptive separation process |
Sep. 27, 1988 |
| 4760209 |
Process for preparing 3,5-dichloro-.alpha.-methylstyrene |
Jul. 26, 1988 |
| 4727201 |
Preparation of 1,4-dichlorobenzene |
Feb. 23, 1988 |
| 4650915 |
Process for preparing p-chlorotoluene and/or m-chlorotoluene |
Mar. 17, 1987 |
| 4629815 |
Isomerization/rearrangement of polychlorobenzenes |
Dec. 16, 1986 |
| 4479022 |
Isomerization of bromohalogenobenzenes |
Oct. 23, 1984 |
| 4409407 |
Process for the preparation of 1,3,5-trichlorobenzene |
Oct. 11, 1983 |
| 4368339 |
Process for the isomerization of a halogenated toluene |
Jan. 11, 1983 |
| 4368340 |
Process for producing 1,3,5-trichlorobenzene |
Jan. 11, 1983 |
| 4347390 |
Process for producing 1-bromo-3,5-dichlorobenzene |
Aug. 31, 1982 |
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