Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › 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)
12/2003
12/17/2003EP1062193B1 Method of making dimethylnaphtalenes
12/17/2003CN1131188C Method for inhibiting polymerization in distillation process of ethenyl aromatic hydrocarbon
12/17/2003CN1131107C Loading type heteropoly acid catalyst used for prepn. of linear alkyl benzene by alkylation of traight chain olefin and benzene
12/16/2003CA2091855C Benzene alkylation process using a fluorided silica-alumina and a linear c6 to c20 monoolefin
12/14/2003CA2431441A1 Process for the purification of mixtures of toluenediisocyanate
12/13/2003CA2721185A1 Conversion of aromatic hydrocarbons
12/11/2003WO2003102202A2 Process for preparing vinylaromatic compounds
12/11/2003US20030229236 Process
12/11/2003US20030227001 Organic photoluminescent polymers with improved stability
12/11/2003US20030227000 Electrooptics
12/11/2003CA2486803A1 Process for preparing vinylaromatic compounds
12/10/2003EP1369465A2 Process for the alkylation of benzene
12/10/2003EP1369166A1 Zeolith membrane of small thickness, its preparation and its use in separation
12/10/2003EP1368297A2 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom
12/10/2003EP0933346B1 NOVEL p-TERPHENYL COMPOUNDS
12/10/2003CN1461290A Method for removal of polar contaminants from aromatic feedstocks
12/10/2003CN1460669A Liquid hydrogen fluoride catalytic alkylation multistage reaction
12/09/2003US6660181 Inhibition of polymerization of unsaturated monomers
12/04/2003WO2003099719A1 Microporous crystalline zeolite material (zeolite itq-22), synthesis method thereof and use of same as a catalyst
12/04/2003US20030224206 Aromatic methylidene compound, methylstyryl compound for producing the same, production method therefor, and organic electroluminescent element
12/03/2003EP1366031A2 Process for preparing oxirane compounds
12/03/2003EP1194375B1 Synthetic porous crystalline mcm-68, its synthesis and use
12/03/2003CN1459815A Semiconductor carbon nano-tube modified by hydrogen and preparing method thereof
12/02/2003US6657093 Preparation of substituted aromatic compounds
11/2003
11/27/2003US20030220529 Comprises hydrorefining/acid catalysts
11/26/2003EP1194236B1 Metal-containing macrostructures of porous inorganic oxide, preparation thereof, and use
11/26/2003CN2587490Y Adsorption chamber grille for dewaxing molecular sieve of alkyl benzene device
11/26/2003CN1128672C EUO zeolite containing crystal and crystal aggregate with specific granular distribution and its use as catalyst of isomerized C8 aromatic compounds
11/25/2003US6653414 Adding to said monomer an effective amount of a mixture comprising at least one stable hindered nitroxyl compound and one quinone or hydroquinone inbibitor
11/19/2003EP1362838A2 A method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared therewith
11/19/2003CN1456543A Polystyrene treating method
11/19/2003CN1456542A Method for stabilizing vinyl aromatic monomer by preferred polymerization inhibitor and polymer therefrom
11/19/2003CN1128126C Process for synthesizing alpha-arylnaphthalene and its derivative
11/12/2003EP1360262A2 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition
11/12/2003CN1127457C Process for electrophilic aromatic substitution
11/11/2003US6646177 Method for separation of p-xylene
11/06/2003US20030208094 Zeolite NU-87 (NES type); hydrorefining catalysts
11/06/2003US20030205457 Semiconductor carbon nanotubes fabricated by hydrogen functionalization and method for fabricating the same
11/06/2003US20030205452 When 7-aryl-quinone methides and 4-tert-butylcatechol are used in combination in a vinyl aromatic monomer to inhibit polymerization, they do not inhibit polymerization to the same extent as each would separately
11/06/2003CA2423209A1 A method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared therewith
11/05/2003EP1359122A2 Semiconductor carbon nanotubes fabricated by hydrogen functionalization and method for preparing the same
11/05/2003EP1358141A1 Production of alkylaromatic compounds
11/05/2003EP1358008A2 Process for methylating naphthalenic compounds using a zeolite catalyst wherein a part of the al atom has been replaced by fe, the catalyst and a method for preparing the catalyst
11/05/2003CN1454208A Method for producing alkyl aryl sulphonates
11/05/2003CN1454193A Method for side chain alkylation or alkenylation
11/05/2003CN1453255A Alkylbenzene producing process with impure low-carbon olefine and benzene
11/05/2003CN1126603C Process for producing selective disproportionation catalyst
11/04/2003US6642426 High conversion and selectivity; p-xylene from toluene and methanol
11/04/2003US6642425 Reactive distillation process for the alkylation of aromatic hydrocarbons
10/2003
10/30/2003WO2003029172A3 Method for producing alkylaryl compounds and sulfonates thereof
10/29/2003EP1113867B1 Fluid distributor-mixer-extractor and related method
10/29/2003EP0927147B1 Alkylation of organic aromatic compounds using beta zeolite catalyst
10/29/2003CN1451641A Alpha-dihydro-agarofuran-sequiterpene as germicide and preparing process thereof
10/23/2003WO2003087076A1 Process for the production of propylene oxide
10/23/2003WO2003087023A1 Novel aromatic compound and organic electroluminescnet element containing the same
10/22/2003EP1353931A1 Transition metal complexes with proton sponges as ligands
10/22/2003EP1353890A1 Obtaining anthracene and carbazole by melt-crystallization
10/22/2003CN1450983A Integrated process for producing an alkenyl-substituted aromatic compound
10/22/2003CN1450040A Alkyl dicyclohexyl alkyne group liquid crystal and production method thereof
10/22/2003CN1450039A Fixed bed dehydrogenation reactor
10/22/2003CN1450038A Method for producing styrene by catalytic dehydrogenation
10/22/2003CN1450037A Tail gas absorption method for preparing styrene by ethylbenzene dehrogenation
10/22/2003CN1450036A Dehydrogenation tail gas absorption method for preparing styrene from ethylbenzene
10/22/2003CN1450035A Styrene separation process
10/22/2003CN1450034A Process for rectifying raw styrene
10/22/2003CN1125009C Process for separating high-purity meta-tritoluene by reforming diarylhydrocarbon
10/22/2003CN1125008C Process for recovering arylhydrocarbon by combination of extracting distillation with liquid-liquid extraction
10/22/2003CN1124893C Cationic zeolite catalyst for direct aromatization of methane and its use
10/21/2003US6635792 Aromatics are converted to benzene, toluene, xylene enriched components through hydrodealkylation and/or transalkylation, and non-aromatics are converted to liquefied petroleum gas through hydrocracking in the presence of a catalyst
10/21/2003US6635364 Aromatic condensed-ring compound, light emitting device material and light emitting device using the same
10/16/2003WO2003084906A1 Condensation of olefins in fischer tropsch tail gas
10/15/2003EP1352243A2 Perfluoro sulfonyl halides and related species as polymer support modifiers
10/15/2003EP1351906A1 Compositions comprising higher diamondoids and processes for their separation
10/15/2003EP1351904A1 Compositions comprising cyclohexamantane
10/15/2003CN1448213A Adsorbent for adsorption stripping dimethyl benzene and its preparing process
10/14/2003US6632954 Chelate compounds
10/14/2003US6632416 Zeolite SSZ-53
10/14/2003US6632414 Mini-structured catalyst beds for three-phase chemical processing
10/14/2003CA2030067C Process for alkylating aromatic compounds
10/09/2003WO2003082783A1 Process for producing selected phenyl-alkanes with adsorptive separation step
10/09/2003US20030191198 Using acid catalyst
10/09/2003CA2478161A1 Preparation of alkylaromatic hydrocarbons and alkylaryl sulfonates
10/08/2003CN1123553C Catalyst for selective disproportionation and modification of toluene
10/08/2003CN1123552C Catalyst for selective disproportionation of toluene
10/07/2003USH2084 Pentacene derivatives as red emitters in organic light emitting devices
10/07/2003US6630607 Aromatic methylidene compounds, aromatic aldehyde compounds and methylstyryl compounds used to prepare the methylidene compounds, and methods for preparing these compounds
10/07/2003US6630606 Acylation reactions of aromatic substrates
10/07/2003US6630430 Fuel and oil detergents
10/07/2003CA2038712C Ion type non-aqueous type composition and its use as a solvent
10/02/2003WO2003080767A1 A process for obtaining high purity phenanthrene and a system thereof
10/02/2003WO2003080762A1 Functional thin film
10/02/2003WO2003053567A3 Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons
10/02/2003US20030186831 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance
10/01/2003EP1347962A2 Process for preparing oxirane compounds
10/01/2003EP1077916B1 Process for the preparation of styrenes
10/01/2003EP0914310B1 Aromatic conversion processes and zeolite catalyst useful therein
10/01/2003CN1445204A Reaction method of aromatics of tertiary butyl by using methyl tert-butyl ether as alkylating agent
10/01/2003CN1122571C Catalyst for disproportionation/transalkylation of aromatic hydrocarbons and method for preparing the same
09/2003
09/30/2003US6627783 Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatics
09/25/2003WO2003078360A1 Alkylation of saturated hydrocarbons using interstage distillation
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