Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
07/1981
07/14/1981US4278516 Method for the preparation of 2-fluoro-4-monobromomethylbiphenyl
07/07/1981US4277421 Process for the manufacture of para-tert.butylbenzaldehyde and its derivatives which are halogen-substituted at the nucleus
06/1981
06/23/1981CA1103702A1 Process for directed chlorination of alkylbenzenes
05/1981
05/26/1981US4269674 Method of preparing para-chlorotoluene
05/19/1981US4268698 Chlorinating tetrachloroxylene, ferric chloride, hexamethylenetetramine
05/12/1981US4267388 Process for producing ethynylbenzenes
03/1981
03/11/1981EP0024612A2 New 4-fluoro-3-phenoxy-benzyl-ethers, process for their preparation and their use
02/1981
02/11/1981EP0023598A1 Process for the preparation of 1,1-dichloro alkenes
02/11/1981EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes
02/10/1981US4250123 Chemical intermediates for fungicides
01/1981
01/28/1981EP0022942A1 Process for preparing diazoniumtetrafluoroborates with nitrosyltetrafluoroborate, and their use
01/07/1981EP0020685A1 Insecticidal cyclopropanecarboxylates from substituted (1,1'-biphenyl)-3-ylmethyl compounds.
12/1980
12/30/1980US4242286 Process for preparing benzotrifluoride and its derivatives
12/30/1980CA1092613A1 Liquid phase fluorination process
12/10/1980EP0019789A1 Process for the preparation of 1,3,5-trichlorobenzene
12/10/1980EP0019719A1 Process for preparing alkenes, novel intermediates for their preparation and process for preparing them
12/09/1980US4238394 Coupling aromatic and potassium iodate, methylene chloride, acetic anhydride, sulfuric acid
11/1980
11/12/1980EP0018532A1 1-Aryl-4-methyl-penta-1,2-dienes, process for their preparation and their use for the preparation of 3-(2-aryl-vinyl)-2,2-dimethylcyclopropane-1-carboxylates
10/1980
10/28/1980US4230642 Process for producing 3,5-dichloro-α-methylstyrene
10/07/1980CA1087212A1 Triphenylalkene derivatives and process for preparing same
10/01/1980EP0016513A2 Esters of halogenated substituted cyclopropanoic acids, their preparation and use as insecticides
09/1980
09/30/1980US4225534 Process for the production of 2-chlorobenzonitrile derivatives
09/23/1980CA1086334A1 PROCESS OF PREPARING ETHYNYLBENZENES BY DEHALOGENATION OF .beta..beta..alpha.-TRICHLOROPHENYLETHANE COMPOUNDS
09/03/1980EP0014840A1 Fluorphenyl-trans-cyclohexanes, process for their preparation, liquid crystalline dielectrics containing them and electrooptical displaying means
08/1980
08/26/1980CA1084521A1 Ethynylbenzene compounds and derivatives thereof
07/1980
07/22/1980US4214004 Insecticidal cyclopropanecarboxylates from substituted [1,1'-biphenyl]-3-ylmethyl compounds
07/15/1980US4212996 Process for the side-chain chlorination of perhalogenated methyl aromatic compounds
07/15/1980CA1081713A1 Process for the preparation of 2,5-dichloro-p-xylene
07/09/1980EP0012891A1 Process for preparing dichlorobenzenes
07/01/1980CA1080752A1 Process for the continuous manufacture of o- and p-chlorotoluene
07/01/1980CA1080751A1 Process for the preparation of 2,5-dichloro-p-xylene
06/1980
06/12/1980WO1980001163A1 Insecticidal cyclopropanecarboxylates from substituted(1,1'-biphenyl)-3-ylmethyl compounds
06/10/1980CA1079307A1 Dehydration of alpha-methylbenzyl alcohols to form monovinylidene aromatic monomers
05/1980
05/28/1980EP0011288A1 p-Tert.-butylbenzotribromide and his derivatives which are substituted in the ring by halogen, a process for their preparation as well as their use.
05/28/1980EP0011281A2 Process for the preparation of p-tert.-butyl benzaldehyde and the derivatives thereof substituted in the nucleus by halogen.
05/27/1980CA1078410A1 Process for producing 1-bromo-3,5-dichlorobenzene
05/06/1980CA1077060A1 Phenylbutenone and phenylbutadiene derivatives
04/1980
04/16/1980EP0009787A2 Process for the monohalogenation of alkylbenzenes in alpha position
04/02/1980EP0009077A1 Substituted phenylpropyl halides, their preparation and use
03/1980
03/18/1980US4194054 Preparation of substituted fluorobenzenes
03/05/1980EP0008453A1 Process for preparing trifluoromethyl aromatic compounds
02/1980
02/20/1980EP0008251A1 Dielectric liquids, manufacturing process and uses
01/1980
01/23/1980EP0006999A1 A process for the production of 2-chlorobenzonitrile derivatives
01/15/1980US4183873 Liquid phase fluorination process
01/15/1980CA1069942A1 Process for the directed chlorination of alkylbenzenes
01/15/1980CA1069941A1 Process for directed chlorination of alkylbenzenes
01/08/1980US4182915 Preparation of substituted aromatic compounds
12/1979
12/25/1979CA1068728A Process for the preparation of chloroalkylbenzene chlorides
12/18/1979US4179578 Para-phenyl stilbene derivatives
11/1979
11/27/1979CA1067101A1 Process for the continuous preparation of mono-or di-(trichloromethyl)-benzenes
11/06/1979US4173706 Reacting with molybdenum hexafluoride
10/1979
10/17/1979EP0004636A2 Process for preparing benzotrifluoride and its derivatives
08/1979
08/28/1979US4166075 Iron halide or antimony halide and a cocatalyst selected from alcohols, acids, ketones, or aldehydes
08/08/1979EP0003398A1 Process for collecting hexachlorobenzene by-product from perchloroethylene
05/1979
05/22/1979US4155940 Chemical intermediates for pesticides
04/1979
04/24/1979US4151175 Salt formation, methylene chloride
04/17/1979US4150059 Dehydration of alpha-methylbenzyl alcohols over silica to form monovinylidene aromatic monomers
10/1978
10/17/1978CA1040647A2 Intermediates for novel 3-amino-prop-1-enes
09/1978
09/26/1978US4117019 From o-xylyl halides and benzenes in the presence of phosphoric acid or sulfuric acid
08/1978
08/29/1978CA1037498A1 Halogenated 4-ethynyl biphenyls
08/22/1978CA1037065A1 Stabilization of trichlorodifluoro benzenes
07/1978
07/04/1978US4098832 Fluorination process catalysed by molybdenum pentachloride
06/1978
06/06/1978US4093737 Ethynylbenzene compounds and derivatives thereof in the treatment of pain, fever or inflammation
06/06/1978US4093669 Halogen transfer catalyst
06/06/1978CA1032556A1 Preparation of brominated aromatic compounds by suspension bromination
05/1978
05/30/1978US4092369 Chlorination of chloroaromatic compound, organic sulfide catalyst
05/02/1978US4087554 Method for improving growth rate and feed efficiency
05/02/1978US4087364 Liquid slurry of submicron particles of hexabromobenzene, and process of manufacture
03/1978
03/21/1978US4080449 1,2,4,5-Tetrahydro-3H-2-benzazepin-3-ones
03/14/1978US4079090 Halogen transfer catalyst
03/14/1978US4079089 Fluorination of trichloromethyl groups
01/1978
01/31/1978US4071571 Control of molten salt oxidation in production of chlorinated hydrocarbons
01/31/1978US4071570 Antiarrhythmic agents
01/17/1978US4069264 Process for directed chlorination of alkylbenzenes
01/17/1978US4069263 Process for directed chlorination of alkylbenzenes
01/17/1978US4068706 Thermal stabilization of chlorobenzenes
11/1977
11/01/1977US4056455 Process for the continuous preparation of mono- or di-(trichloromethyl)-benzenes
09/1977
09/20/1977US4049736 Dehydration of α-methylbenzyl alcohols to form monovinylidene aromatic monomers
09/20/1977US4049726 Fire retardant compounds
07/1977
07/19/1977US4036989 Anti-inflammatory composition and method containing 2-fluoro-4-isopropylbiphenyl
06/1977
06/28/1977US4032558 Optical brighteners
06/21/1977US4031147 Process for directed chlorination of alkylbenzenes
06/21/1977US4031142 Process for the directed chlorination of alkylbenzenes
04/1977
04/05/1977US4016214 Preparation of ethynylbenzenes
03/1977
03/22/1977US4013704 Selective herbicide
03/15/1977US4012305 Production of 1-methyl-3-phenylindans
03/01/1977US4010214 From p-xylene and chlorine, iron halide andor antimony halide and organic sulfur compound catalyst
02/1977
02/08/1977US4007221 From a diazonium salt, reducing agent
01/1977
01/25/1977US4005153 Polyhalocyclopentenyl phenyl compounds
12/1976
12/28/1976US4000052 Contacting xylene with ferric chloride
12/21/1976US3998894 Manufacture of 1-methyl-3-(monohalogeno)-phenylindans and dihalogeno-1-methyl-3-phenylindans
11/1976
11/09/1976US3991212 Phenylacetylene compounds
10/1976
10/26/1976US3988369 Trialkyl phosphate and a halogen
10/19/1976US3987116 Ethynylaryl compounds and derivatives thereof
10/05/1976US3984399 Optical brighteners
09/1976
09/21/1976US3981897 Method for making certain halonium salt photoinitiators
09/14/1976US3980713 Fluorescent brighteners
09/07/1976US3979468 4'-Chloro-4-ethynylbiphenyl and method of preparing same
08/1976
08/31/1976US3978144 Manufacture of o-benzyltoluenes
08/31/1976US3978127 Tetrafluorophenethylaralkylamine compounds
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