Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
08/1988
08/02/1988CA1239942A1 Extractive separation process
08/02/1988CA1239879A1 Continuous sorption process
07/1988
07/27/1988EP0275930A2 Upgrading diene-containing hydrocarbons
07/26/1988CA1239653A1 Refining of tertiary butylstyrene
07/19/1988US4758644 Bromostyrene composition
07/19/1988US4758543 Dehydrogenation catalyst
07/19/1988US4758419 Magnesium-aluminum-phosphorus-silicon-oxide molecular sieve compositions
07/19/1988US4758373 Carbocyclic compounds
07/19/1988CA1239386A1 Preparation of zeolite zsm-12
07/19/1988CA1239385A1 Preparation of zeolite zsm-12
07/14/1988WO1988005034A1 Removal of polynuclear aromatics from hydrocarbon mixtures
07/14/1988WO1988004956A1 Catalyst system and procedure for selective alkylation of toluene with propylene
07/14/1988WO1988004955A1 Catalyst system and procedure for selective alkylation of toluene
07/13/1988EP0274432A1 Process for the removal of polynuclear aromatic compounds from hydrocarbon streams
07/06/1988EP0273816A1 Process for the synthesis of ferrisilicate zeolites, products thus obtained and their use
07/06/1988EP0273509A1 Process- and apparatus for recovering a pure substance from a liquid mixture by crystallization
07/06/1988EP0273091A1 Process for isomerizing xylene
07/05/1988US4755627 Process for the synthesis and purification of diisopropenylbenzene
06/1988
06/29/1988EP0272830A2 Alkylation catalysts and processes
06/28/1988US4753745 Methylene linked aromatic pour point depressant
06/21/1988US4752862 Electronic device
06/16/1988WO1988002357A3 Process for the production of alkylene or cyclically linked compounds
06/14/1988US4751340 Selective production of para-aromatics
06/14/1988US4751339 Zeolite catalysis process for conversion of diene-containing olefins to aromatic hydrocarbons
06/14/1988US4751338 Fluidized bed acidic zeolite catalyst
06/07/1988US4749674 Catalyst for the non-oxidative dehydrogenation of alkylbenzene to alkenylbenzene
06/01/1988EP0269297A1 Process for the production of aromatic hydrocarbons incorporating by-product utilisation
06/01/1988EP0269089A1 Perhydrofluorene derivatives, process for producing same and fluids for traction drive
05/1988
05/31/1988CA1237447A1 Conversion of paraffins to aromatics
05/25/1988EP0268198A2 Ferroelectric liquid crystals
05/24/1988US4746764 Catalytic process for the conversion of hydrocarbons
05/19/1988WO1988003523A1 Process for producing alkyl group-substituted aromatic hydrocarbons
05/17/1988CA1236815A1 Preparation of modified zeolites and their utilization
05/11/1988CN87106553A Ethynylphenyl-containing retinoic acid derivatives
05/10/1988CA1236469A1 Recovery of sulfolane
05/03/1988US4741891 Selective catalyst for hydrocarbon conversion
05/03/1988CA1236121A1 Electrical insulating oil and electrical appliances impregnated with the same
05/03/1988CA1236113A1 Therapeutically useful 1-alkyl-2-aminotetralin derivatives
04/1988
04/27/1988EP0265069A1 Ethynylphenyl-containing retinoic acid derivatives
04/27/1988EP0265017A2 Process for the mutual condensation of aromatic and carbonylic compounds
04/27/1988EP0264468A1 Catalytic composite for conversion of hydrocarbons
04/26/1988US4740650 Xylene isomerization
04/26/1988CA1235683A1 Zeolite catalysts
04/20/1988EP0264226A1 Separation process by crystallisation
04/19/1988US4739098 Ethynylphenyl-containing retinoic acid derivatives
04/13/1988EP0263259A2 Process and catalyst system for the trimerization of acetylene and acetylene compounds
04/07/1988WO1988002357A2 Process for the production of alkylene or cyclically linked compounds
04/06/1988EP0262238A1 Catalytic dehydrocyclization of naphtha
04/06/1988EP0249614A4 Oligomerization process.
04/05/1988CA1234841A1 Process for the synthesis and purification of diisopropenylbenzene
03/1988
03/31/1988DE3632410A1 Verfahren zur herstellung von alkylen- bzw. ringverknuepften verbindungen A process for preparing alkylene or compounds ringverknuepften
03/29/1988US4734824 Electrical insulating oil and electrical appliances impregnated with the same
03/24/1988WO1988001993A1 Oxidative coupling with methyl-substituted benzenes
03/22/1988CA1234274A1 Crystalline metal aluminophosphates
03/16/1988EP0260151A1 Oxidative coupling with methyl-substituted benzenes
03/16/1988EP0259954A1 Process for converting C2 to C12 aliphatics to aromatics over a zinc activated zeolite
03/15/1988CA1234162A1 Process for the production of naphthalene
03/08/1988CA1233835A1 Process using iron-thallium catalysts in co hydrogenation
03/02/1988EP0257049A1 Chiral compounds.
03/01/1988US4728702 Coupling with coupling agent
03/01/1988CA1233459A1 Procedure for producing zeolite catalysts, and alkylation process
02/1988
02/24/1988EP0256849A1 Aromatization process
02/24/1988EP0256097A1 Vinyl compounds and liquid crystal phase.
02/24/1988EP0256065A1 Layered crystalline aluminosilicate and a method for its preparation.
02/24/1988CN85102764B Preparation and application of zeolite catalyst modified by rare earth
02/23/1988US4727218 Crystallization onto curved, cooled surface
02/23/1988US4727208 Reactant-catalyst
02/23/1988US4727206 Production of aromatics from hydrocarbon feedstock
02/23/1988US4726910 Tolan-type nematic liquid crystalline compounds
02/09/1988CA1232615A1 Process for the oxidative dehydrogenation of para- ethyltoluene to para-methylstyrene
02/09/1988CA1232551A1 Separation of ortho aromatic isomers by selective adsorption with an aluminophosphate
02/02/1988US4723048 Process for dismutation and transalkylation of aromatic hydrocarbons in the presence of a zeolite catalyst
02/02/1988CA1232293A1 Process for para selective alkylation of aromatic hydrocarbons
01/1988
01/26/1988US4721824 Guard bed catalyst for organic chloride removal from hydrocarbon feed
01/26/1988US4721806 Process for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanate
01/26/1988US4721607 Process for the production of boronaaronate molecular sieve using ethylenediamine and quinoline or isoquinoline
01/26/1988CA1231982A1 Conversion of certain hydrocarbons using silicoaluminophosphate catalysts
01/26/1988CA1231981A1 Dehydrocyclodimerization process
01/26/1988CA1231980A1 Alkylation of aromatic hydrocarbons
01/20/1988EP0252947A1 Methylene linked aromatic pour point depressant.
01/19/1988US4720603 Preparation of p-cymene and homologous alkylbenzenes
01/19/1988US4720602 Process for converting C2 to C12 aliphatics to aromatics over a zinc-activated zeolite
01/19/1988US4720576 Process for dimerization of aromatic halide compounds
01/19/1988CA1231728A1 Production of fuels, particularly jet and diesel fuels, and constituents thereof
01/19/1988CA1231725A1 Destruction of polychlorinated biphenyls and other hazardous halogenated hydrocarbons
01/13/1988EP0252705A2 Aromatisation of aliphatics over gallium-containing zeolites
01/13/1988EP0252639A1 Leukotriene antagonists
01/12/1988US4719055 Phenanthrene derivatives
01/12/1988US4719051 Oxygenation
01/12/1988CA1231352A1 Method for producing aromatic hydrocarbons
01/07/1988EP0251564A2 Extruded zeolite catalysts
01/07/1988EP0251408A1 Novel anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation
01/07/1988EP0251358A2 Catalyst composition and a process for the preparation therewith of hydrocarbons from synthesis gas
01/07/1988EP0251169A1 Process for the condensation of carbonyl and aromatic compounds
01/07/1988EP0250879A1 Direct catalytic alkylation of mononuclear aromatics with lower alkanes
01/05/1988US4717781 Selective oxidation step
01/05/1988US4717779 Dehydrogenation of dehydrogenatable hydrocarbons
01/05/1988CA1231104A1 Process for the preparation of an aromatic hydrocarbon mixture
12/1987
12/23/1987EP0249914A1 Xylene isomerization
12/23/1987EP0249913A1 Selective production of para-aromatics