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Class Information
Number: 570/207
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 > Bonding halogen directly to benzene ring > Chlorination
Description: Process wherein chlorine is the halogen bonded to a benzene ring.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7544847 |
Method for producing 1,4-bis (dichloromethyl) tetrafluorobenzene |
Jun. 9, 2009 |
| 7282615 |
Catalyst compositions and their use for chlorinating aromatic compounds |
Oct. 16, 2007 |
| 7084317 |
Oxidative halogenation of aromatic compound |
Aug. 1, 2006 |
| 6710217 |
Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications |
Mar. 23, 2004 |
| 6426440 |
Method for preparing decomposition products from the thermal decomposition of 1,2-dichlorethane |
Jul. 30, 2002 |
| 6211399 |
Pressurized chlorination and bromination of aromatic compounds |
Apr. 3, 2001 |
| 6118018 |
Chlorination and bromination of aromatic compounds at atmospheric pressure |
Sep. 12, 2000 |
| 6117278 |
Method of making .alpha.-chloroxylenes |
Sep. 12, 2000 |
| 6028232 |
Para-chlorination of aromatic compound |
Feb. 22, 2000 |
| 5969200 |
Process for the manufacture of acetonylbenzamides |
Oct. 19, 1999 |
| 5734073 |
Halogenation reactions |
Mar. 31, 1998 |
| 5369214 |
Method for selective dehalogenation of halogenated polyaromatic compounds |
Nov. 29, 1994 |
| 5315049 |
Process for the nuclear chlorination of aromatic hydrocarbons |
May. 24, 1994 |
| 5210343 |
Process for the preparation of p-dichlorobenzene |
May. 11, 1993 |
| 5157173 |
Process for 4-chlorobenzotrichloride |
Oct. 20, 1992 |
| 5149892 |
Chlorinated benzenes |
Sep. 22, 1992 |
| 5107045 |
Preparation of 4-bromo-O-xylene using excess bromine |
Apr. 21, 1992 |
| 5105036 |
Process for ring-chlorination of aromatic hydrocarbons |
Apr. 14, 1992 |
| 5095157 |
Process for the preparation of 2-chloro-4-nitro-alkylbenzene |
Mar. 10, 1992 |
| 5053566 |
Process for the preparation of oligophenyls dihalogenated in the 4,4'-position |
Oct. 1, 1991 |
| 5026932 |
Preparation of 4-bromo-o-xylene in liquid sulfur dioxide |
Jun. 25, 1991 |
| 5015792 |
Preparation of 4,4'-dibromobiphenyl |
May. 14, 1991 |
| 5001290 |
Production of dichlorobenzene with high para to ortho ratios |
Mar. 19, 1991 |
| 4990706 |
Process for producing para-dichlorobenzene |
Feb. 5, 1991 |
| 4990707 |
Process for the ring chlorination of aromatic hydrocarbons |
Feb. 5, 1991 |
| 4942268 |
Process for producing a halobenzene |
Jul. 17, 1990 |
| 4925994 |
Process for the ring chlorination of aromatic hydrocarbons |
May. 15, 1990 |
| 4914247 |
Process for preparing para-substituted halogenobenzene derivatives |
Apr. 3, 1990 |
| 4898999 |
Process for halogenating cyclobutenoarenes |
Feb. 6, 1990 |
| 4891455 |
Process for preparing monohalogenated cyclobutarenes |
Jan. 2, 1990 |
| 4886923 |
Process for the preparation of tricyclo 8.2.2.2 hexadeca 4,6,10,12,13,15 hexaene chlorinated in the benzene rings |
Dec. 12, 1989 |
| 4885417 |
Method for the decoloration of chloro-xylene compositions |
Dec. 5, 1989 |
| 4851596 |
Process for nucleus-chlorination of aromatic hydrocarbons |
Jul. 25, 1989 |
| 4849560 |
Process for preparation of halogenated benzene derivatives |
Jul. 18, 1989 |
| 4835327 |
Method for producing 1,2,4-trichlorobenzene |
May. 30, 1989 |
| 4831199 |
Process for producing a halobenzene |
May. 16, 1989 |
| 4827058 |
Process for the removal of m-chlorotoluene from chlorotoluene mixtures |
May. 2, 1989 |
| 4822933 |
Process for producing a chlorohalobenzene |
Apr. 18, 1989 |
| 4822930 |
Process for preparing monobrominated cyclobutarenes |
Apr. 18, 1989 |
| 4792644 |
Preparation of halogenated benzene derivatives |
Dec. 20, 1988 |
| 4777305 |
Synthesis of 1,4-dichlorobenzene |
Oct. 11, 1988 |
| 4739057 |
Process for converting organo-hydroxyl compounds to halides |
Apr. 19, 1988 |
| 4650915 |
Process for preparing p-chlorotoluene and/or m-chlorotoluene |
Mar. 17, 1987 |
| 4621160 |
Process for the chlorination of aromatic derivatives |
Nov. 4, 1986 |
| 4613698 |
Process for the preparation of 6-chloro-2,4-dinitroaniline |
Sep. 23, 1986 |
| 4575571 |
Process for the simultaneous halogenation and fluorination of aromatic derivatives |
Mar. 11, 1986 |
| 4570023 |
Process for the preparation of trichlorobenzenes |
Feb. 11, 1986 |
| 4368340 |
Process for producing 1,3,5-trichlorobenzene |
Jan. 11, 1983 |
| 4334112 |
Process for producing 2,5-dichloro-p-xylene |
Jun. 8, 1982 |
| 4329525 |
Production of chlorinated compounds by use of molten salts |
May. 11, 1982 |
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