Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
08/1983
08/23/1983US4400563 Process for preparing perfluoro(lower)alkylbenzenes and their derivatives
08/23/1983US4400552 Reaction product of alkali metal hydroxide, a polyglycol or monoalkyl ether thereof and oxygen
08/23/1983US4400293 Liquid crystalline cyclohexylphenyl derivatives
08/16/1983US4399071 Method for making diaryliodonium salts
07/1983
07/27/1983EP0084194A1 Liquid crystal mixtures
07/27/1983EP0084128A1 Process for the preparation of alkylbenzenes substituted by radicals containing fluorine
06/1983
06/28/1983US4390740 Process for preparing fluorobenzene
06/15/1983EP0020685B1 Insecticidal cyclopropanecarboxylates from substituted (1,1'-biphenyl)-3-ylmethyl compounds
05/1983
05/31/1983US4386007 Liquid crystalline naphthalene derivatives
05/24/1983US4385070 Halogenated esters
05/17/1983US4384135 Reacting a substituted benzotrifluoride with a substituted phenol
05/11/1983EP0078768A1 Process for the catalytic Pd arylation of olefines with aryl halogenides
05/04/1983EP0077853A1 Novel trifluoromethyl benzal chlorides and process for the preparation thereof
04/1983
04/27/1983EP0077501A1 Process for the preparation of fluoroaromatic compounds substituted in the ortho position
04/26/1983US4381412 Insecticides
04/19/1983CA1144947A1 Process for the preparation of 3-bromo-4- fluorotoluene
04/13/1983EP0076718A1 Process for the halogenation of metadihalogenobenzenes
03/1983
03/23/1983EP0074608A2 Liquid crystal halogen compounds, process for their preparation, dielectric and dectrooptical display element containing them
03/16/1983EP0073987A1 Process for the preparation of 1,3,5-trichlorobenzene
03/08/1983CA1142550A1 Process for producing 2,5-dichloro-p-xylene
02/1983
02/23/1983EP0072514A1 Process for the halogenation of organic compounds
02/16/1983EP0072008A1 Process for the preparation of p-chlorotoluene and/or of m-chlorotoluene
02/01/1983US4371710 Perfluoroalkyl compounds and process for preparing the same
02/01/1983CA1140574A1 Insecticidal cyclopropanecarboxylates from substituted [1,1'-biphenyl]-3-ylmethyl compounds
01/1983
01/19/1983EP0070218A1 Halogenated aromatic compounds suitable as fire retarders
01/18/1983US4369145 Preparation of fluorobenzenesulfonyl fluorides by exchange fluorination
01/11/1983US4368340 Vapor phase chlorination of 1,3,5-trihalobenzene having bromine atoms
01/11/1983US4368339 Process for the isomerization of a halogenated toluene
01/04/1983US4367350 Fluorination, noncatalytic reaction
01/04/1983US4367348 Novel trifluoromethyl benzal chlorides and process for the preparation thereof
12/1982
12/21/1982US4365101 From benzotrichloride and hydrogen fluoride in presence of chlorin
12/15/1982EP0066943A1 1,1-Diphenylalkenes and a process for their preparation
11/1982
11/30/1982CA1136646A1 P-tert. butylbenzotribromide and p-tert. butylbenzoyl bromide and process for their manufacture
11/23/1982CA1136160A1 Process for producing 1,3,5-trichlorobenzene
11/10/1982EP0064193A1 4,4'-Bis-(cyclohexyl)-biphenyl derivatives that contain fluorine, dielectrics containing them, and electro-optical indicator element
11/09/1982US4358409 Preparation of styryl cyclopropane insecticide intermediates
10/1982
10/27/1982EP0063374A1 Substituted biphenyl compounds
10/20/1982EP0063066A1 Process for the isomerization of bromohalogen benzenes
10/19/1982CA1133939A1 Process for the manufacture of p-tert. butylbenzaldehyde and its derivatives halogen-substituted at the nucleus
10/13/1982EP0062608A1 4-Halogenostilbene derivatives and process for their preparation
10/13/1982EP0062261A1 Process for isomerizing a halogenated toluene
10/06/1982EP0062005A1 Process for the manufacture of styrene and/or stilbene derivatives
10/06/1982EP0061720A1 Process for the selective aliphatic chlorination of alkylbenzenes
09/1982
09/29/1982EP0061029A1 Process for the preparation of trichloromethyl-substituted aromatic compounds
09/28/1982US4351975 Reacting bis(perhalomethyl)benzenes with chlorine in chlorosulfonic acid
09/28/1982US4351974 Preparation of 3-bromo-4-fluorotoluene
09/21/1982US4350824 Process for the preparation of 1,1-dichloro-alkenes
09/16/1982WO1982003025A1 Improved method for decomposition of halogenated organic compounds
09/15/1982EP0060089A1 Improved method for decomposition of halogenated organic compounds
09/14/1982CA1131423A2 Device for collecting hexachlorobenzene by-product
09/08/1982EP0059365A2 3-Bromo-4-fluoro-benzyl derivatives, and methods for their preparation
09/07/1982US4348265 Process for the selective aliphatic chlorination of alkylbenzenes
09/07/1982CA1131138A1 Device for collecting hexachlorobenzene by-product
08/1982
08/31/1982US4347390 Process for producing 1-bromo-3,5-dichlorobenzene
08/25/1982EP0058512A1 Liquid crystal compounds exhibiting a small dielectric anisotropy and liquid crystal materials and devices incorporating such compounds
08/03/1982US4342704 By reaction of an aldehyde with a dichloromethane phosphonic acid ester
08/03/1982CA1128962A1 Process for the manufacture of 1,3,5-trichlorobenzene
06/1982
06/30/1982EP0054634A1 Process for the preparation by rectification of pure alkyl aromatics with chlorinated side chains
06/23/1982EP0054274A1 Process for preparing fluorobenzene
06/15/1982US4335055 Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives
06/08/1982US4334112 Process for producing 2,5-dichloro-p-xylene
05/1982
05/25/1982US4331821 Process for the monohalogenation of alkylbenzenes in the α-position and new alkylbenzenes monohalogenated in the α-position
05/25/1982US4331613 Process for the preparation of trifluoromethylnaphthalenes
05/25/1982CA1124263A1 Dielectric liquids
05/19/1982EP0051738A1 Cyclohexyl-biphenyl derivatives that contain fluor, dielectrics containing them and electro-optical indicating element
05/11/1982US4329300 Method for making diaryliodonium polyhalometalloid salts
05/04/1982US4328380 Substituted phenylpropyl halides
04/1982
04/20/1982US4326087 Reacting 3-bromo-4-fluoro-benzyl alcohol with a chlorinating or brominating agent or 3-bromo-4-fluoro-benzoyl fluoride with a hydride
04/13/1982US4324741 Perfluoroalkyl group-introducing agents
03/1982
03/10/1982EP0046859A1 Process for the preparation of 1-bromo-3,5-dichlorobenzene
03/03/1982EP0046665A1 Process for the isomerization of an ortho-,meta-or para-halotoluene
03/03/1982EP0046555A1 Process for the preparation of 2,5-dichlorotoluene
02/1982
02/16/1982CA1118455A1 Dehydrohalogenation of (polyhaloalkyl) benzenes
02/16/1982CA1118454A1 Dehydrohalogenation of (polyhaloalkyl) benzenes with support lewis acid catalysts
02/10/1982EP0045430A1 Process for the bromination in the alpha-position of possibly substituted fluortoluenes and mixtures of possibly substituted fluortoluenes having a different number of bromine atoms in the alpha-position
02/10/1982EP0045425A1 Process for the halogenation of possibly substituted 4-tert.-butyl toluenes and the mixtures obtained therefrom of possibly substituted 4-tert.-butylbenzal halogenides, 4-tert.-butylbenzyl halogenides and 4-tert.-butylbenzo trihalogenides
01/1982
01/19/1982CA1116606A1 Method for making diarylhalonium salts
01/12/1982US4310469 Diaryliodonium salts
12/1981
12/22/1981US4307024 1,1,1-Triaryl-2,2,2-trifluoroethanes and process for their synthesis
12/15/1981US4306104 Oxychlorination of benzene in the presence of cupric chloride catalyst
12/15/1981US4306103 Process for the manufacture of 1,3,5-trichlorobenzene
12/15/1981US4306102 P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture
12/02/1981EP0041043A1 Process for the preparation of derivatives of alkenyl benzene or alkenyl naphthalene
11/1981
11/24/1981US4302352 Fluorophenylcyclohexanes, the preparation thereof and their use as components of liquid crystal dielectrics
11/24/1981CA1113125A1 Ethynylbenzenes
11/17/1981US4301313 Halogenated ethynyl biphenyls
11/10/1981US4300004 Process for the preparation of dichlorobenzenes
10/1981
10/21/1981EP0037960A1 Process for the preparation of trichlorobenzenes
10/20/1981US4296264 Ethynylbenzene compounds and derivatives thereof
09/1981
09/30/1981EP0036840A2 Process for the production of chlorinated compounds
09/16/1981EP0035753A2 Process for manufacturing 1,1-dichloro-alkenes
09/15/1981CA1109081A1 Process for directed chlorination of alkylbenzenes
09/09/1981EP0035186A1 Process for the production of 3-bromo-4-fluorotoluene
09/08/1981CA1108651A1 Liquid phase fluorination process
09/02/1981EP0034837A1 P-tert.-butylbenzal bromide and its derivatives substituted in the nucleus by halogen
09/02/1981EP0034731A2 Trifluoromethylbenzylic esters, their intermediates, process for their preparation and their use as insecticides
08/1981
08/26/1981EP0034402A2 Method of preparing fluorine-substituted diphenyl ether derivatives and fluorine-substituted halogeno benzene derivatives for use therein
07/1981
07/16/1981EP0020685A4 Insecticidal cyclopropanecarboxylates from substituted (1,1'-biphenyl)-3-ylmethyl compounds.
07/15/1981EP0032121A2 Substituted tetrafluorobenzyl alcohols and halides
07/15/1981EP0032077A1 Process for preparing fluorobenzene-sulfonyl fluorides
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