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Class Information
Number: 568/937
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Nitro containing (including aci forms) > Benzene ring containing > Halogen containing > Halogen bonded directly to benzene ring
Description: Compounds wherein the halogen is directly bonded to the benzene ring.










Sub-classes under this class:

Class Number Class Name Patents
568/938 Plural halogens bonded directly to benzene ring 79


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8592637 Process for preparing mononitrated organic compounds Nov. 26, 2013
8399710 Alkali metal fluoride dispersion and process for producing fluorine-containing organic compound using the same Mar. 19, 2013
8350091 Potassium fluoride dispersion and process for producing fluorine-containing organic compound using the same Jan. 8, 2013
7964654 Photoacid generators for the synthesis of oligo-DNA in a polymer matrix Jun. 21, 2011
7863344 Photoacid generators for the synthesis of oligo-DNA in a polymer matrix Jan. 4, 2011
7081548 Process for preparing 3-chloro-5-nitrotoluene Jul. 25, 2006
6806388 Polyfluorinated aromatic or heterocyclic derivatives with sulphurpentalfluoride group(s) Oct. 19, 2004
6794549 Continuous adiabatic process for nitrating chlorobenzene Sep. 21, 2004
6586645 Continuous adiabatic process for preparing nitrochlorobenzene Jul. 1, 2003
6380440 Processes for the preparation of 3-bromoanisole and 3-bromonitrobenzene Apr. 30, 2002
6307045 Process for producing halogenated benzene compound Oct. 23, 2001
6284894 Preparation of allylic aromatic compounds Sep. 4, 2001
6255542 Process for preparing 2-chloro-4-nitroalkylbenzene Jul. 3, 2001
5773651 Process for the preparation of fluorine-containing chemical compounds Jun. 30, 1998
5756834 Process for preparing fluorinated aromatics May. 26, 1998
5728901 Nitration process which employs water tolerant Lewis acid catalysts Mar. 17, 1998
5714647 Process for the adiabatic preparation of mononitrohalogenobenzenes Feb. 3, 1998
5599814 Pyridazinedione compounds useful in treating neurological disorders Feb. 4, 1997
5600036 2-trifluoromethyl-4-chlorobenzalchloride and 2-methyl-3-nitro-5-chlorobenzotrifluoride useful as intermediates for preparing 2-methyl-3-aminobenzotrifluoride Feb. 4, 1997
5545768 Process for the preparation of chlorofluronitrobenzenes and difluoronitrobenzenes Aug. 13, 1996
5475163 Process for the preparation of 2,3-dichloro-nitrobenzene Dec. 12, 1995
5463148 Process for the preparation of chlorofluoronitrobenzenes Oct. 31, 1995
5449831 Process of preparing 2-methyl-3-aminobenzotrifluoride Sep. 12, 1995
5315043 Aromatic nucleophilic fluorination May. 24, 1994
5313009 Nitration process May. 17, 1994
RE34423 Substituted benzenes useful as intermediates Oct. 26, 1993
5247124 Process for the preparation of substituted styrenes Sep. 21, 1993
5237077 Non-pollutional process for producing aromatic nitro compounds without using a mineral acid Aug. 17, 1993
5210339 Process for nitrating benzocyclobutene compounds May. 11, 1993
5194672 Process for the preparation of substituted styrenes Mar. 16, 1993
5162583 Benzylether derivatives Nov. 10, 1992
5118880 Method of preparing 2-bromo-4,6-dinitromesitylene Jun. 2, 1992
5095157 Process for the preparation of 2-chloro-4-nitro-alkylbenzene Mar. 10, 1992
5090965 Process for the separation of substances by cooling crystallization Feb. 25, 1992
5087724 Substituted benzenes useful as intermediates Feb. 11, 1992
5030776 Process for producing nitrobenzenes Jul. 9, 1991
5004846 Process for producing nitrobenzenes Apr. 2, 1991
4978769 Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange Dec. 18, 1990
4973772 Catalytic method for producing fluoroarmatic compounds using substituted pyridinium salts Nov. 27, 1990
4973771 Phase transfer catalysts Nov. 27, 1990
4973770 Manufacture of organic nitro compounds Nov. 27, 1990
4954648 Method for the bromination of aromatic compound Sep. 4, 1990
4927980 Catalytic method for producing fluoroaromatic compounds using branched alkyl pyridinium salts May. 22, 1990
4898996 Process for producing 3-chloro-4-fluoronitrobenzene Feb. 6, 1990
4868347 Process for obtaining substituted fluorobenzenes Sep. 19, 1989
4849552 Preparation of fluoroaromatic compounds in dispersion of potassium fluoride Jul. 18, 1989
4745219 Chemical intermediates and a process for their preparation May. 17, 1988
4704483 3,4-difluoro-5-nitrobenzotrifluoride and preparation of fluoro-nitro-benzotrifluorides Nov. 3, 1987
4684734 Method for manufacture or organic fluorine compounds Aug. 4, 1987
4668830 Process for the preparation of compounds containing a difluoromethylene or trifluoromethyl group May. 26, 1987

1 2 3










 
 
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