Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
09/1994
09/21/1994EP0616020A1 Aromatic dimethylidyne compounds and process for preparation thereof
09/21/1994EP0615968A1 Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin
09/20/1994US5349105 Skin disorder
09/15/1994WO1994020437A1 Benzene reduction in gasoline by alkylation with higher olefins
09/14/1994EP0614454A1 Method for inhibiting foulant formation
09/14/1994CN1092056A Method of preparing heavy alkyl benzenes
09/13/1994US5347060 Phase-transfer catalysis with onium-containing synthetic mesoporous crystalline material
09/06/1994US5345021 Alkylation and dealkylation catalysts for aromatic hydrocarbon compounds
09/06/1994US5344806 Process for producing monoalkenyl aromatic hydrocarbon compound
08/1994
08/31/1994EP0612706A1 Process for producing monoalkenylbenzenes
08/31/1994EP0612564A1 Composite catalyst and his use for the aromatisation of C2-C12 hydrocarbon
08/31/1994EP0612563A1 Composite catalyst containing a halogen, a noble metal and at least one additional metal, and his use for the aromatisation of C2-C12 hydrocarbons
08/31/1994CN1091413A Method for seperation of hydrocarbon mixture as function of extractive distillation
08/31/1994CN1091291A Method of treating viral infections
08/30/1994US5342596 Process for making theta-1 zeolite
08/23/1994USRE34706 Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
08/17/1994EP0610598A1 Process for producing monoalkenylbenzenes
08/17/1994EP0610468A1 Method of making molecular sieves.
08/17/1994CN1090837A Process for the preparation of an alkyl benzene
08/11/1994DE4313121C1 Process for separation and purification of substances by melt crystallisation
08/10/1994EP0532548B1 Transalkylation in the presence of a catalyst slurry
08/09/1994US5336822 4-Vinylcylohexene in a feed stream contacted with a catalyst of tin, antimony and oxygen
08/09/1994US5336821 Alkylation process with reactor effluent heat recovery
08/09/1994US5336648 Zeolite catalysts suitable for hydrocarbon conversion
08/03/1994EP0608227A1 Process for the selective hydrogenation of aromatic acetylene compounds.
08/02/1994US5334794 Process for producing monoalkenyl aromatic hydrocarbon compound
08/02/1994US5334793 Increasing catalyst life and improving product linearity in the alkylation of aromatics with linear olefins
08/02/1994US5334774 Distillation using addatives, recycling
08/02/1994US5334357 Uniform mixing of reactants
07/1994
07/26/1994CA1330981C Mixed basic metal oxide catalyst
07/21/1994WO1994015896A2 Hydrodealkylation processes
07/21/1994WO1994015606A1 Olefin-substituted long chain compounds
07/21/1994CA2153698A1 Olefin-substituted long chain compounds
07/20/1994CN1089593A Process
07/13/1994EP0606090A1 Mesomorphic compound, liquid crystal composition containing same, and liquid crystal device using same
07/13/1994EP0413717B1 Alkylation of benzene in a moving bed
07/12/1994US5329060 Includes isomerization step to increase yield of p-xylene
07/12/1994US5329059 Alkylaromatic disproportionation
07/06/1994EP0604689A1 Process for the regeneration of coke-deposited, crystalline aluminogallosilicate catalyst
07/06/1994EP0604640A1 New zeolite ssz-37
07/05/1994US5326927 Distillation
06/1994
06/29/1994EP0603231A1 Method for synthesizing alkylated aromatic hydrocarbons.
06/29/1994CN1088568A Method and equipment for producing styrene and by-product using waste polystyrene
06/29/1994CN1025183C Method of separating and purification for tar-derived anthracene
06/28/1994US5324877 Reduction of water concentration; catalyst stability
06/28/1994US5324840 Method of treatment with compounds having retinoid-like activity and reduced skin toxicity and lacking teratogenic effects
06/23/1994WO1994013757A1 Method of obtaining a polymerizable fraction of recyclable material
06/23/1994WO1994013603A1 Production of ethylbenzene
06/23/1994CA2151602A1 Recovery of a useful polymerizable fraction
06/22/1994EP0602302A1 Process for the recovery of a polymerisable fraction
06/21/1994US5322615 Method for removing sulfur to ultra low levels for protection of reforming catalysts
06/15/1994EP0601690A1 Solvent for use in carbonless paper, comprising diisopropylbiphenyl and triisopropylbiphenyl, and products utilising the same
06/15/1994EP0601156A1 Cross-coupling process of boric acids with halogenated compounds
06/15/1994CN1087892A Catalytic reduction of phenylacetylene in a styrene stream
06/14/1994US5321183 Partial conversion to toluene; highly selective methylation
06/14/1994US5321180 Conversion of vinylcyclohexene to ethylbenzene
06/14/1994US5321178 Cyclization dehydrogenation of 2-methyl-1-(p-tolyl) butane or butene using catalyst of palladium component and alkali or alkaline earth component supprted on alumina
06/08/1994EP0600717A1 Phenoxyalkylamines, -pyrrolidines and -piperidines for the treatment and prevention of circulatory diseases and psychosis
06/08/1994EP0600367A1 Method for preparing aromatic vinyl compounds
06/08/1994EP0444056B1 Process for selective manufacture of 2,6-dialkylnaphthalenes
06/08/1994CN1087555A Catalyzer for directly synthesizing phenylethylene from ethylene and benzene
06/07/1994US5318940 Writing or printing recording sheet with coating having microcapsules containing chromogen and odorless solvent
06/01/1994CN1024788C Process for separating two isomerides and application for purifying 1-phenyl-2-bromo ethane
05/1994
05/31/1994US5316753 Zeolite SSZ-35
05/31/1994US5316661 Processes for converting feedstock organic compounds
05/31/1994CA2110251A1 Alpha, omega-diarylalkane derivatives, their preparation and their use in the treatment and prevention of circulatory diseases and psychosis
05/26/1994WO1994011326A1 Process for reducing polynuclear aromatic mutagenicity by alkylation
05/25/1994EP0598254A1 Process for separation of hydrocarbon mixtures by extractive distillation
05/25/1994CN1024654C Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
05/24/1994US5314854 Stable, high-yield reforming catalyst
05/18/1994EP0282542B1 Process for the production of alkylene or cyclically linked compounds
05/17/1994US5312952 Polymerization inhibitor for vinyl aromatics
05/17/1994CA1329620C Ethynylphenyl-containing retinoic acid derivatives
05/17/1994CA1329584C Dehydrogenation catalyst
05/11/1994WO1994010111A1 Process for the preparation of an alkyl benzene
05/11/1994WO1994009878A1 High purity benzene production using extractive distillation
05/11/1994CA2146759A1 High purity benzene production using extractive distillation
05/10/1994CA1329388C Zeolite catalysts suitable for hydrocarbon conversion
05/04/1994EP0594708A1 Hydrated alkylation catalyst and processes for its use
05/04/1994EP0594576A1 Immunoassays for and monoclonal antibodies to prothrombin activation peptides and their degradation products
05/03/1994US5308597 Production of heavy metal carbides of high specific surface area
04/1994
04/29/1994WO1994025154A1 Dehydrogenation catalyst having improved moisture stability, and process for making and using the catalyst
04/28/1994WO1994008978A1 Fungicidal substituted azole derivatives
04/28/1994WO1994008899A1 Zeolite ssz-35
04/28/1994CA2146560A1 Fungicidal substituted azole derivatives
04/27/1994EP0593873A1 Process for the separation of ethylbenzene/styrene by distillation of a liquid mixture consisting mainly of styrene and ethylbenzene
04/27/1994EP0593828A1 Process for preparing alkyl-substituted aromatic compounds
04/26/1994US5306682 Contacting with an oxygen-containing gas having moisture content of 0.2% or less; combustion
04/20/1994EP0592392A1 Low-aluminum boron beta zeolite
04/12/1994US5302770 Catalyst with a mordenite base containing at least one metal of groups IIa, IVb, IIb or IVa and its use in isomerization of a C8 aromatic cut
04/06/1994EP0590078A1 Synthetic crystalline zeolite, its synthesis and use.
04/06/1994EP0589876A1 Alkylation of aromatic compounds.
04/05/1994US5300719 Dehydrocyclization of unsaturated hydrocarbons to aromatic products
04/05/1994US5300717 Reacting o-xylene with propene; Friedel-Crafts catalyst; dehydrogenation. chlorination, condensation; intermediate for bisanhydride precursor for polyimides
04/05/1994CA1328273C Exothermic reaction process in a fixed-bed catalytic reactor
03/1994
03/30/1994EP0589588A1 Process for the production of phenol, acetone and alpha methylstyrene
03/30/1994EP0589511A1 Improved process for producing linear alkylbenzenes
03/30/1994EP0589490A1 Dimethylnaphthalene isomerization
03/29/1994CA1328082C Adsorptive separation of para-xylene using diethyltoluene desorbent
03/23/1994CN1084156A Method and apparatus for prepn. of phenylethylene and its side-product with used polystyrene