C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part

Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
12/1999
12/21/1999	CA2181314C Catalyst for dehydrogenation of alkyl aromatic hydrocarbon and process for producing vinyl aromatic hydrocarbon using the same
12/15/1999	EP0963971A1 Method for inhibiting polymer formation in styrene processing
12/15/1999	EP0963366A1 Linear alkylbenzene formation using low temperature ionic liquid and long chain alkylating agent
12/15/1999	CN1238743A Hydrocarbon conversion method using large crystal zeolite catalyst
12/15/1999	CN1238238A Adsorbent for preparing meta-xylene by adsorption and separation and its preparing process
12/14/1999	US6002058 Feeding light reformate and hydrogen into hydrogenation zone containing catalytic distillation structure; feeding treated reformate and olefin to aromatic alkylation zone containing acidic molecular sieve or cationic exchange resin; separation
12/14/1999	US6002057 Alkylation process using zeolite beta
12/09/1999	CA2273647A1 Electroluminescent devices using blend systems
12/08/1999	EP0962436A1 Process for the conversion of hydrocarbons
12/08/1999	EP0961765A2 Preparation of carboxylic compounds and their derivatives
12/07/1999	US5998686 Process for producing aromatic compounds from aliphatic hydrocarbons
12/07/1999	US5998684 Forming alkylaromatic hydrocarbons from benzene and olefin
12/07/1999	US5998677 Process for the production of phenol
12/02/1999	WO1999061396A1 Method for stabilizing unsaturated organic compounds from polymerization
12/01/1999	EP0960086A1 Recovery of a secondary ethylene stream from an ethylene purification process
12/01/1999	CN1046928C Continous process for preparing ethylbenzene using liquid phase alkylation and vapour phase transalkylation
11/1999
11/30/1999	US5994603 Catalyst comprises first zeolite crystals which are bound together by second zeolite crystals.
11/30/1999	US5994602 In the presence of a hydrocarbyl aluminum or gallium halide and a hydrocarbyl-substituted imidazolium or pyridinium halide
11/30/1999	US5994258 Using mixed oxide catalyst
11/30/1999	US5993642 Hydrocarbon conversion process using a zeolite bound zeolite catalyst
11/24/1999	EP0959059A2 A method for inhibiting premature polymerization of vinyl aromatic monomers
11/24/1999	EP0958050A1 Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion
11/24/1999	CN1235952A Process for preparing phenol and acetone by cumene hydroperoxide intensified decomposition
11/24/1999	CN1235949A Method for enhancing selectivity of decomposition of dicumyl peroxide to alpha-methyl styrene
11/24/1999	CN1235948A Technology for toluene disproportionation and alkyl transfer
11/18/1999	WO1999058480A1 Process for the preparation of styrenes
11/17/1999	EP0956157A1 Dehydrogenation catalyst and process
11/17/1999	EP0881925A4 Distillation of vinylaromatic monomer
11/17/1999	EP0765849B1 Aromatic hydrocarbons alkylation and liquid-solid circulating fluidized bed for alkylation
11/17/1999	CN1235143A Method for isomerization of C8 aromatic compounds using catalyst having EUO zeolite
11/17/1999	CN1046494C Preparation of aromatic hydrocarbon
11/17/1999	CN1046493C Method for inhibiting premature polymerization of vinyl aromatic monomers
11/16/1999	US5986155 Catalytic process for making high reactivity alkylating agents and products resulting therefrom
11/16/1999	US5985446 Solvent solubility; burns cleanly; high electron density; electroconductivity
11/11/1999	WO1999057221A1 Compounds for organic el element and organic el element
11/11/1999	WO1999057220A1 Compounds for organic el devices and organic el devices
11/11/1999	WO1999057172A1 Polymerisation
11/10/1999	EP0955090A1 Catalyst for the hydrogenation of aromatic compounds in a hydrocarbon feedstock containing sulfur
11/09/1999	US5981754 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
11/04/1999	WO1999055797A1 Composition and method for radical polymerisation of ethylenically unsaturated monomers
11/04/1999	WO1999055648A1 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst
11/04/1999	CA2330036A1 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst
11/03/1999	EP0952973A1 Composition and method for inhibiting polymerization during the anaerobic production of styrene
11/02/1999	US5977426 Crystallization of 2,6-dimethylnaphthalene
11/02/1999	US5977423 Mixed phase ethylation process for producing ethylbenzene
11/02/1999	US5977420 Dual-loop xylene isomerization process
10/1999
10/28/1999	WO1999054038A1 Liquid clathrate compositions
10/28/1999	DE19835604A1 Verfahren zur Trennung von polycyclischen aromatischen Kohlenwasserstoffen (PAK) durch den Einsatz von calixarenmodifizierten Trennphasen für die Chromatographie A method of separating polycyclic aromatic hydrocarbons (PAH) through the use of calixarenmodifizierten separation phases for chromatography
10/27/1999	EP0952134A1 Process for the separation of polycyclic aromatic hydrocarbons by chromatography
10/27/1999	EP0951443A1 Hydrocarbon conversion using large crystal zeolite catalyst
10/26/1999	CA2165888C Process for preparing aromatic olefins
10/26/1999	CA2007249C Method for methane conversion
10/21/1999	WO1999052843A1 Process for the preparation of ethylbenzene
10/21/1999	WO1999052842A1 Xylene isomerization
10/20/1999	EP0950650A2 Process for the preparation of 2,6 dimethylnaphthalene
10/20/1999	EP0705238B1 Regeneration and stabilization of dehydrogenation catalyst
10/20/1999	EP0687248B1 Crystallization of 2,6-dimethylnaphthalene
10/20/1999	CN1232443A Novel p-terphenyl compounds
10/19/1999	US5969204 Diazotizing substituted monoamino benzenes, then reacting products with substituted p-divinylbiphenyls
10/19/1999	US5968963 PLA2 inhibitors and their use for inhibition of intestinal cholesterol absorption
10/19/1999	US5968342 Zeolite catalyst and method of converting hydrocarbons using the same
10/14/1999	WO1999051609A1 Method for producing grignard compounds
10/14/1999	WO1999051549A1 Catalyst and process for converting methanol to hydrocarbons
10/14/1999	WO1999051548A1 Process for producing light olefins
10/14/1999	DE19915590A1 Activation of catalyst containing group VIII metal for isomerization of 8 carbon aromatic compounds
10/14/1999	CA2327688A1 Catalyst and process for converting methanol to hydrocarbons
10/14/1999	CA2327246A1 Process for producing light olefins
10/13/1999	EP0949229A1 Process for the isomerisation of aromatic compounds with eight carbon atoms using a catalyst of the structural type EUO
10/13/1999	EP0949227A1 Process for the alkylation or translakylation of aromatic compounds or for preparation of monoalkylated aromatic compounds
10/13/1999	CN1231653A Selective para-xylene production by toluene methylation
10/13/1999	CN1045543C Comprehensive purifying apparatus for waste acetone and toluene solvant
10/12/1999	US5965757 Reacting 2,3-dihydro-1-oxocyclopentaphenanthrene with tosylhydrazide; reacting the tosylhydrazone compound with secondary amine/butyl lithium in toluene and tetrahydrofuran; intermediate for an titanium-n-silyl metallocene
10/07/1999	WO1999049968A1 Dehydrogenation catalysts comprising at least iron, alkali metal and a noble metal
10/07/1999	DE19814459A1 Simultaneous production of 1,1-diphenylethylene and styrene, useful in copolymer production
10/07/1999	DE19814457A1 Production of 1,1-diphenyl ethylene useful in production of copolymers with styrene
10/06/1999	EP0946471A1 Method for separating paraxylene comprising adsorption with water injection and crystallisation
10/06/1999	CN1230942A Selective catalytic conversion of C9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to product rich in toluene and/or xylenes
10/05/1999	US5962758 Process of producing ethylbenzene using alkylation and transalkylation with propylbenzene destruction
10/05/1999	US5962757 Dehydrogenation catalyst and process
10/05/1999	US5960643 Production of ethylene using high temperature demethanization
09/1999
09/30/1999	WO1999007655A8 A combination process for manufacturing ethylene, ethylbenzene and styrene
09/29/1999	EP0944563A1 Substance mixtures containing stabilizers and compounds containing vinyl groups
09/29/1999	CN1229781A Tech. of preparing ethylbenzene and propyl benzene reacted via polyethylene and propylene with benzene
09/29/1999	CN1045286C Tech. for prepn. of high pureness metadimethyl benzene
09/28/1999	US5959168 Zeolite-based ethylabenzene process adaptable to an aluminum chloride-based ethylbenzene plant
09/28/1999	US5958822 Possessing a sulfonic acid fluoride, chloride or ester group or a sulfonic acid or a salt of a sulfonic acid group at one end and respectively a hydrolyzable or hydrolyzed silane group at the other end. catalysts for alkylation, acylation,
09/23/1999	WO1999047476A1 Method of making dimethylnaphtalenes
09/23/1999	CA2323884A1 Method of making dimethylnaphthalenes
09/22/1999	EP0943611A1 Improved propylene oxide and styrene monomer co-production procedure
09/22/1999	EP0943594A1 Aromatic alkylation process
09/21/1999	US5955643 Composition and method for inhibiting polymerization during the anaerobic of styrene
09/21/1999	US5955642 Multi-stage alkylation zone having a plurality of series connected catalyst beds containing a as silicalite, coupled with intermediate separation and recirculation steps and liquid phase transalkylation over a zeolite catalyst having a
09/21/1999	US5955641 Alkylation of toluene with pentene/1-/ using acid catalyst; reforming pentyltoluene using platinum/alumina catalyst; cyclization, decyclization
09/21/1999	US5954924 Distillation of vinylaromatic monomer
09/15/1999	EP0754169B1 Single temperature stage crystalization to recover paraxylene
09/15/1999	EP0739239B1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
09/15/1999	CN1228753A Separation process in which membrane is used
09/15/1999	CN1228401A Aromatic alkylation process
09/15/1999	CN1045081C Process for preparing alkylbenzene with organic waste coming from production of fatty alcohol by synthesis of carbonyl radical
09/14/1999	US5952535 Selective catalytic conversion of a C9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes

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