| Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158) |
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| 09/14/1999 | US5952534 Manufacturing of 2,6-dimethylnaphthalene |
| 09/14/1999 | US5952524 Process |
| 09/14/1999 | US5952382 Inhibiting the biological effects of an overregulation of retinoid acid receptors and/or of a hypervitaminosis a; treating skin disorder, eye vision defects, skin aging |
| 09/08/1999 | EP0940178A1 Aromatic alkylation with a catalyst containing a surface-modified zeolite beta |
| 09/08/1999 | EP0763001B1 Selective production of para-dialkyl substituted benzenes |
| 09/08/1999 | CN1228073A Process for production of alkylated benzenes |
| 09/08/1999 | CN1227833A Process for preparing ethyl benzene and propyl benzene by reaction of dilute ethylene, propene and benzene |
| 09/08/1999 | CN1227770A Aromatic alkylation with catalyst containing improved zeolite beta |
| 09/07/1999 | US5948950 Process for separating para-xylene, comprising an adsorption step with injection of water and a crystallization step |
| 09/07/1999 | US5948949 Process for producing 2,6-dimethylnaphthalene |
| 09/07/1999 | US5948946 Use of sol-gel derived porous microposite of perfluorinated ion-exchange polymer and metal oxide to isomerize terminal olefins |
| 09/02/1999 | CA2230772A1 Aromatic alkylation with a catalyst containing an improved zeolite beta |
| 09/01/1999 | EP0939068A1 Method for purifying crystalline substance |
| 09/01/1999 | EP0938459A1 Process for preparing aromatic olefins by using palladaphosphacyclobutanes as catalysts |
| 09/01/1999 | CN1227533A Substance mixtures containing stablizers and compounds containing vinyl groups |
| 09/01/1999 | CN1044868C C8 arene isomerization catalyst and its preparation method |
| 08/26/1999 | WO1999042426A1 Process for preparing styrenes |
| 08/26/1999 | WO1999042425A1 Process for the preparation of styrenes |
| 08/26/1999 | CA2322041A1 Process for the preparation of styrenes |
| 08/25/1999 | CN1226547A Method for separating C5-C8 materials or intermediate materials |
| 08/24/1999 | US5942651 Process for converting C9 + aromatic hydrocarbons to lighter aromatic products by transalkylation in the prescence of two zeolite-containing catalysts |
| 08/24/1999 | US5942649 Method for monomer recovery |
| 08/24/1999 | US5942119 Conducting process in presence of hydrogen; reduction in flux decay |
| 08/19/1999 | WO1999041218A1 Alpha-methylstyrene dimer derivatives |
| 08/19/1999 | CA2319741A1 Alpha-methylstyrene dimer derivatives |
| 08/18/1999 | EP0935591A1 Selective para-xylene production by toluene methylation |
| 08/18/1999 | EP0793634B1 Hydrocarbon conversion process using a zeolite bound zeolite catalyst |
| 08/18/1999 | CN1044703C Method and apparatus for extracting alpha-methylnaphthalene and beta-methylnaphthalene |
| 08/17/1999 | US5939595 Preparation of diarylethanes |
| 08/12/1999 | WO1999040096A1 Synthesis of n-silylated cyclopentaphenanthrene compounds |
| 08/12/1999 | CA2285300A1 Synthesis of n-silylated cyclopentaphenanthrene compounds |
| 08/11/1999 | EP0804395A4 Phase-transfer catalysis |
| 08/11/1999 | CN1225617A Linear alkylbenzene formation using low temp. ionic liquid and long chain alkylating agent |
| 08/11/1999 | CN1225361A Process for the prepn. of N, N'-subistituted ureas |
| 08/10/1999 | US5935897 Hydrogenation, oxidation, dehydrogenation catalysts |
| 08/05/1999 | WO1999038823A1 Reactive distillation process for the production of xylenes |
| 08/05/1999 | DE19903925A1 Preparation of styrene derivatives useful as intermediates for polymers, pharmaceuticals and agrochemicals |
| 08/05/1999 | CA2319522A1 Reactive distillation process for the production of xylenes |
| 08/04/1999 | EP0933346A1 NOVEL p-TERPHENYL COMPOUNDS |
| 08/04/1999 | CN1225081A Recovery of styrene from pyrolysis gasoline by extractive distillation |
| 08/04/1999 | CN1044470C Method for separating m-xylene and ortho-xylene from mixed xylene and ethyl benzene |
| 08/04/1999 | CN1044468C Method of refining cracked gasoline and crude benzole by liquid-phase coking distillation method with clays |
| 08/03/1999 | US5932511 Perfluorinated ion-exchange microcomposite catalysts modified with Lewis acid |
| 07/28/1999 | EP0931041A1 Selective catalytic conversion of a c 9? aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes |
| 07/28/1999 | EP0931040A1 Process and catalyst for the catalytic oxidative dehydrogenation of alkyl aromatics and paraffins |
| 07/28/1999 | EP0735995B1 Naphthalene alkylation with partial rare earth exchanged catalyst |
| 07/28/1999 | CN1224408A Methylation of toluene to para-xylene |
| 07/28/1999 | CN1044365C Alpha, omega-diarylalkane derivs., their preparation and their use in treatment and prevention of circulatory diseases and psychosis |
| 07/22/1999 | WO1999036377A1 Method for preparing diarylethane |
| 07/21/1999 | EP0929502A2 Alkylation process using zeolite beta |
| 07/21/1999 | EP0929501A1 Alkylation and acylation reactions |
| 07/21/1999 | EP0594576B1 Immunoassays for and monoclonal antibodies to prothrombin activation peptides and their degradation products |
| 07/21/1999 | CN1223629A Process for isomerization of alkylaromatic hydrocarbons |
| 07/21/1999 | CN1223603A Zeolite catalyst and its use in hydrocarbon conversion |
| 07/20/1999 | US5925237 By providing a concentration of silyating agent in the hydrocarbon feed |
| 07/14/1999 | CN1222899A Process for producing aromatic compounds from aliphatic hydrocarbons |
| 07/14/1999 | CN1222898A Aromatic conversion processes and zeolite catalyst useful therein |
| 07/13/1999 | US5922924 Obtaining from a charge a first fraction containing m-xylene and second fraction containing p-xylene, isomerizing the first fraction to product isomerate containing p-xylene, recycling the isomerate, crystallizing p-xylene |
| 07/13/1999 | US5922922 Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon |
| 07/08/1999 | WO1999033814A1 Liquid crystal compounds having a chiral fluorinated terminal portion |
| 07/08/1999 | WO1999033770A1 Method for producing 2,6-dmn from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization |
| 07/08/1999 | CA2315628A1 Method for producing 2,6-dmn from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization |
| 07/07/1999 | EP0927147A1 Alkylation of organic aromatic compounds using beta zeolite catalyst |
| 07/07/1999 | CN1222134A Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 07/07/1999 | CN1221652A Prepn. of durene catalyst from pseudocumene methanol |
| 07/06/1999 | US5919995 Use of composite catalyst for the dismutation and/or transalkylation of alkylaromatic hydrocarbons |
| 07/06/1999 | US5919722 Zeolite L catalyst |
| 06/30/1999 | EP0926114A2 Crystallization of 2,6-Dimethylnaphthalene |
| 06/30/1999 | EP0925829A1 Acid activated clay for treating aromatic hydrocarbons |
| 06/30/1999 | EP0925268A1 Compound having alkadienyl group as side chain, and liquid crystal composition using same |
| 06/30/1999 | CN1221397A Process for manufacture of surfactants containing branch chain alkyl groups |
| 06/30/1999 | CN1043889C Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof |
| 06/30/1999 | CN1043880C Process for preparing alpha-methylstyrene unsaturated dimer |
| 06/30/1999 | CN1043879C Alkylation of arene |
| 06/30/1999 | CN1043878C Method preparing unsaturated dimers of alpha-methylstyrenes |
| 06/23/1999 | CN1220656A Novel trienoic retinoid compounds and method |
| 06/16/1999 | EP0922748A1 Process for the separation of a C5-C8 feed in three fractions rich in normal , mono-branched and multi-branched paraffins |
| 06/16/1999 | EP0922020A1 Process for the production of alkylated benzenes |
| 06/09/1999 | EP0920404A1 A zeolite-based ethylbenzene process adaptable to an aluminum chloride-based ethylbenzene plant |
| 06/09/1999 | EP0888268A4 Method for the cyclotrimerization of alkynes in aqueous solutions |
| 06/08/1999 | US5910232 Method for inhibiting polymer formation in styrene processing |
| 06/03/1999 | WO1999026904A2 Alkylaromatics production |
| 06/03/1999 | CA2309440A1 Alkylaromatics production |
| 06/02/1999 | EP0918737A1 Process for isomerization of alkylaromatic hydrocarbons |
| 06/02/1999 | EP0918736A1 Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 06/02/1999 | EP0918514A1 Triaryl methane compounds for sickle cell disease |
| 06/02/1999 | CN1043524C Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin |
| 06/01/1999 | US5908967 Catalyst containing group 8 metal |
| 05/27/1999 | WO1999025791A1 Process for converting hydrocarbon feed to high purity benzene and high purity paraxylene |
| 05/26/1999 | CN1217312A Toluene disproportionation and alkyl transfering process |
| 05/26/1999 | CN1217311A Method for inhibiting polymerization in distillation process of ethenyl sundex |
| 05/26/1999 | CN1217310A Process for producing alkylbenzene |
| 05/25/1999 | US5907073 Catalytic alkylation with molecular sieves |
| 05/20/1999 | WO1999024080A1 Para-hydrogen labelled agents and their use in magnetic resonance imaging |
| 05/19/1999 | EP0842239B1 Method for monomer recovery |
| 05/19/1999 | CN1043421C Method for prepn. of para-methyl-phenylethane by reaction of dilute ethylene with toluene |
| 05/12/1999 | EP0914311A1 Process for producing aromatic compounds from aliphatic hydrocarbons |
| 05/12/1999 | EP0914310A1 Aromatic conversion processes and zeolite catalyst useful therein |
| 05/12/1999 | EP0914308A1 Modified mcm-56, its preparation and use |
| 05/12/1999 | EP0768996B1 Catalyst and process for the catalytically oxidative dehydrogenation of alkyl aromatics |