Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
12/1988
12/07/1988EP0293633A2 1,2-Di(4-isobutylphenyl)ethylene and its preparation and use as intermediate
12/01/1988WO1988009322A1 Cyclobutane derivatives
12/01/1988WO1988009319A1 DEHYDROBROMINATION OF SUBSTITUTED alpha-HALOCUMENE
12/01/1988DE3717484A1 Cyclobutanderivate Cyclobutane derivatives
12/01/1988DE3717397A1 Cyclohexene derivatives
11/1988
11/30/1988EP0292824A1 Process for the nuclear chlorination of aromatic hydrocarbons
11/29/1988US4788356 Iodination of benzene, naphthalene, or biphenyl; separation, recovering; catalysis with zeolite type x
11/29/1988US4788354 Method for the synthesis of iodobenzene
11/29/1988US4788353 Oxidative iodination, zeolite catalyst
11/29/1988US4788349 Halogenated diphenyl ether derivatives
11/23/1988EP0291950A1 Process and composition for stabilization of ar-brominated styrenic monomer against premature polymerization
11/23/1988EP0291949A2 Nematic liquid crystal compound of four ring systems
11/23/1988EP0291889A1 Process for the preparation of dichloro-[2,2] paracyclophane
11/23/1988EP0291797A2 Hydroxyalkyl triazol derivatives
11/23/1988EP0291795A2 Hydroxyalkyl triazolyl derivatives
11/22/1988US4786441 Reacting trimethylsilyl triflate with iodonium or sulfonium halide
11/09/1988EP0290050A1 Method for producing alkylstyrene
11/08/1988US4783562 Process for the preparation of trichloromethyl-substituted aromatic compounds, and trichloromethyl-substituted aromatic compounds obtained in this process
11/08/1988US4783561 Process for the preparation of halogenated (2,2)-paracyclophanes and mixtures of resultant halogenated (2,2)-paracyclophanes
11/08/1988US4783549 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
11/03/1988WO1988008441A1 Electro-optical liquid crystal display element
11/03/1988WO1988008416A1 Insecticidal cyclopropyl-substituted di(aryl) compounds
11/02/1988EP0289036A1 Preparation of 3-chloro-4,5-difluorobenzotrifluoride
11/02/1988EP0216880B1 Cyclohexane derivatives
11/02/1988CN88101892A Insecticidal cyclopropyl-substituted di(aryl) compounds
11/02/1988CN88101781A Process for preparing iodinated substituted aromatic compounds
11/01/1988CA1244054A1 Substantially non-flammable biologically degradable functional fluid
10/1988
10/26/1988EP0287951A2 7-Piperazinyl- or 7-Morpholino-4-oxo-quinoline-3-carboxylic acid derivatives, their preparation and their use as antimicrobial agents
10/25/1988CA1243689A1 Process for the desulphurisation of mercaptans
10/20/1988WO1988007987A1 Improved process for preparing aromatic fluorides
10/20/1988DE3710890A1 Bicyclooctane derivatives
10/19/1988EP0287013A1 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
10/18/1988US4778940 Reacting iodine in presence of oxygen over zeolite catalyst
10/18/1988US4778822 Insecticidally active ester
10/18/1988US4778620 Tolan derivative and a liquid crystal mixture containing the same
10/12/1988EP0164619B1 2,4,5-trihalo or 2,3,4,5-tetrahalo benzene derivatives and process for producing them
10/11/1988US4777306 Method for selective separation of 2,6-dichlorotoluene
10/11/1988US4777305 Synthesis of 1,4-dichlorobenzene
10/11/1988US4777185 Phenyl phenoxyphenyl propenyl cyclopropane pesticides
10/06/1988WO1988007523A1 Acetylene derivatives as components of liquid crystal phases
10/06/1988WO1988007516A1 Ethine derivatives as compounds of liquid crystal phases
10/06/1988WO1988007514A1 Tolanes
10/06/1988WO1988007513A1 Improved vapor phase bromination of aromatic compounds
10/06/1988WO1988007512A1 Process for preparing iodinated aromatic compounds
10/06/1988WO1988007511A1 Processes for isomerizing and oxidative iodinating aromatic compounds
10/06/1988WO1988007510A1 Liquid phase isomerization of iodoaromatic compounds
10/06/1988WO1988007509A1 Process for preparing iodinated substituted aromatic compounds
10/05/1988EP0285324A1 Preparation of substituted fluorobenzenes
10/04/1988CA1242742A1 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene
09/1988
09/28/1988EP0283833A2 Method for the removal of m-chlorotoluene from chlorotoluene mixtures
09/27/1988US4774371 Adsorptive separation process
09/21/1988EP0283270A2 Processes using a phosphorus complex
09/21/1988EP0282542A1 Process for the production of alkylene or cyclically linked compounds.
09/20/1988US4772633 6-pyridyl- and 6-phenyl-3-phenyl-1-hexenes and -1-hexynes, composition containing them, and insecticidal and acaricidal method of using them
09/14/1988EP0281784A1 Perfluoro-1,1-di(orthoxylyl) alkyl compounds
09/07/1988EP0280902A1 Cyclohexane derivative and liquid crystal composition containing the same
09/06/1988US4769503 Preparation of 3,4-dichlorobenzotrihalides
08/1988
08/31/1988EP0280383A1 Process for intermediates for insecticidal compounds
08/23/1988US4766262 Process for separating isomeric dichlorotoluenes by adsorption
08/17/1988EP0278729A1 Process for the isomerization of dichlorotoluene
08/17/1988EP0278680A1 Method for selective isolation of m-dichlorobenzene
08/16/1988CA1240707A1 Process for producing brominated acenaphthylene condensates
08/11/1988DE3702876A1 Optically active compounds
08/09/1988US4762955 Process for separating para-dichlorobenzene from isomeric mixture of dichlorobenzenes
08/09/1988CA1240340A1 Process for producing condensed bromoacenaphthylene
08/09/1988CA1240258A1 Incrustation resistive crystallizer
07/1988
07/27/1988EP0276067A1 Novel tolan type liquid crystal compound
07/27/1988CN87106573A Chemical compounds
07/26/1988US4760211 Process for producing brominated acenaphthylene and its condensates
07/26/1988US4760209 Process for preparing 3,5-dichloro-α-methylstyrene
07/26/1988US4760174 Tetralin derivatives, their preparation and their use
07/19/1988US4758644 Bromostyrene composition
07/06/1988EP0273736A2 Shaped zeolite catalyst for liquid phase organic reactions
06/1988
06/29/1988EP0272580A2 Liquidcrystalline cyclohexylbenzene derivatives their manufacturing and novel nematic admixtures containing same
06/28/1988US4754084 Pyrolysis
06/16/1988WO1988002357A3 Process for the production of alkylene or cyclically linked compounds
06/15/1988EP0270965A2 Process for the preparation of substituted 3,5-dichloro-2,4-difluorobenzenes
06/15/1988EP0270964A2 Process for obtaining substituted fluorobenzenes
05/1988
05/31/1988US4748287 Selective chlorination, iodine, sulfur, friedel-crafts catalyst
05/31/1988US4748286 Production of crystalline tribromostyrene
05/25/1988EP0268269A2 A method for preparation of polybromoacenaphthene and/or its condensate
05/24/1988US4746758 Processes for preparing iodinated aromatic compounds
05/18/1988EP0267778A2 Azole derivatives useful in controlling plant diseases and regulating plant growth
05/17/1988US4745235 Decomposition by decarboxylation in presence of alumina
05/05/1988DE3637442A1 Cyclohexane derivatives
05/03/1988CA1236119A1 Process for producing a chlorohalobenzene
04/1988
04/27/1988EP0264435A1 Smectic liquid crystal phases.
04/27/1988CN87104975A Method to manufacture dichlorobenzene
04/26/1988US4740641 Producing a halogenated benzene derivative using zeolite catalyst treated with alkali solution of pH 11 or more
04/26/1988US4740629 Excess bromine, zirconium halide catalyst
04/13/1988EP0263205A1 Processes for the preparation of compounds comprising substituted phenyl rings
04/13/1988CN87106739A Processes for preparing iodinated aromatic compounds
04/07/1988WO1988002358A1 Processes for preparing iodinated aromatic compounds
04/07/1988WO1988002357A2 Process for the production of alkylene or cyclically linked compounds
04/07/1988DE3631611A1 Hydroterphenyls
03/1988
03/31/1988DE3632410A1 Verfahren zur herstellung von alkylen- bzw. ringverknuepften verbindungen A process for preparing alkylene or compounds ringverknuepften
03/29/1988US4734533 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
03/29/1988US4734503 Catalytic transhalogenation of haloaromatics
03/23/1988EP0261073A2 Insecticidal and acaricidal alkane and alkoxy alkane derivatives
03/15/1988US4731493 Process for producing condensed bromoacenaphthylene
1 ... 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54