| Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158) |
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| 08/18/1998 | CA2023679C Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or its precursor |
| 08/13/1998 | WO1998034892A1 Method of purifying 1,3,5-triisopropylbenzene |
| 08/13/1998 | WO1998030529A3 Preparation of carboxylic compounds and their derivatives |
| 08/13/1998 | CA2274235A1 Method of purifying 1,3,5-triisopropylbenzene |
| 08/11/1998 | US5792899 Process for the management of polynuclear aromatic compounds produced in a hydrocarbon dehydrogenation reaction zone |
| 08/11/1998 | US5792898 Process for the management of mononuclear and polynuclear aromatic compounds produced in a hydrocarbon dehydrogenation reaction zone |
| 08/06/1998 | WO1998012159A3 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 |
| 08/05/1998 | EP0649387B1 Synthesis of zeolite films bonded to substrates, structures and uses thereof |
| 08/04/1998 | US5789641 Process for dismutation and/or transalkylation of alyklaromatic hydrocarbons in the presence of two zeolitic catalysts |
| 08/04/1998 | US5789640 Aromatic hydrocarbons alkylation and liquid-solid circulating fluidized bed for alkylation |
| 07/30/1998 | WO1998032720A1 Process for the treatment of fccu off gas |
| 07/30/1998 | WO1998032719A1 Method for preparation of styrenes |
| 07/30/1998 | WO1998032717A1 Method for eliminating inhibitors of polymerisation of monomer mixtures using an alumina with optimised form |
| 07/30/1998 | WO1998032715A1 Method for eliminating inhibitors of polymerisation of monomer mixtures using an optimised alumina |
| 07/30/1998 | DE19703111A1 Verfahren zur Herstellung von Styrolen Process for the preparation of styrenes |
| 07/29/1998 | EP0854899A1 Fluorine-substituted alkenyl liquid crystalline compounds |
| 07/29/1998 | EP0854849A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof |
| 07/29/1998 | EP0637294B1 Polymerization inhibitor for vinyl aromatics |
| 07/29/1998 | CN1189154A 4-aryl-1-phenylalkyl-1,2,3,6-Tetrahydropyridines having neurotrophic and neuroprotective activity |
| 07/29/1998 | CN1039312C Process for preparation of alkyl benzen |
| 07/28/1998 | US5786354 Tri-substituted phenyl derivatives and processes for their preparation |
| 07/22/1998 | EP0854126A1 Process for the purification of naphthalene by selective hydrotreatment followed by a separation |
| 07/16/1998 | WO1998030529A2 Preparation of carboxylic compounds and their derivatives |
| 07/16/1998 | WO1998030523A1 Process and apparatus for the production and recovery of p-xylene |
| 07/16/1998 | CA2277085A1 Preparation of carboxylic compounds and their derivatives |
| 07/16/1998 | CA2275868A1 Process and apparatus for the production and recovery of p-xylene |
| 07/15/1998 | EP0852582A1 Modified fluorosulfonic acids |
| 07/14/1998 | US5780700 Improving catalyst efficiency by controlling residence time, space velocity, temperature of reactants; regenerating catalyst |
| 07/14/1998 | US5780540 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| 07/14/1998 | US5779882 Modified MCM-56, its preparation and use |
| 07/09/1998 | WO1998029366A1 Recovery of a secondary ethylene stream from an ethylene purification process |
| 07/08/1998 | CN1186839A Improved zeolite material and use thereof in conversion of non-aromatic hydrocarbons to aromatics and light olefins |
| 07/07/1998 | US5777187 Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 07/07/1998 | US5776849 Regeneration of severely deactivated reforming catalysts |
| 07/07/1998 | US5776320 Process and apparatus for reactive distillation with a particular distribution of liquid and vapour phases |
| 07/02/1998 | WO1998028246A1 Method for separating paraxylene comprising adsorption with water injection and crystallisation |
| 07/01/1998 | CN1186511A Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| 07/01/1998 | CN1186510A Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| 06/30/1998 | US5773678 Use of an omega zeolite based catalyst comprising at least one metal from groups IIa, IVb, IIb or IVa for the dismutation and/or transalkylation of alkylaromatic hydrocarbons |
| 06/30/1998 | US5773677 Process for the hydrogenolysis of C--O and C═O bonds in organic substances |
| 06/30/1998 | US5773524 Epoxidized liquid elastomeric copolymers |
| 06/30/1998 | CA2024107C Process for dehalogenation of organic compounds |
| 06/24/1998 | EP0849246A2 Derivatives of 4-vinyl-4'-alpha-hydroxyethyl-biphenyl |
| 06/24/1998 | EP0849244A1 Process for the preparation of distyryl-biphenylic compounds |
| 06/24/1998 | CN1185425A Apparatus for preparing styrene |
| 06/23/1998 | US5770782 Process and system for alkylation of aromatic compounds |
| 06/18/1998 | WO1998025872A1 Substance mixtures containing stabilizers and compounds containing vinyl groups |
| 06/18/1998 | DE19651307A1 Stoffmischungen, enthaltend vinylgruppenhaltige Verbindungen und Stabilisatoren Compositions containing vinyl-containing compounds and stabilizers |
| 06/17/1998 | EP0847802A1 Catalytic composition and process for the alkylation and/or transalkylation of aromatic compounds |
| 06/17/1998 | CN1184798A Alkylation process with enhanced catalyst stability |
| 06/17/1998 | CN1184702A Method for forming spheroidal adsorbent used for adsorption stripping xylene |
| 06/16/1998 | US5767333 Electrochemical oxidative dimerization of 2-methylnaphthalene |
| 06/16/1998 | US5767332 Process and apparatus for producing aromatic hydrocarbon composition |
| 06/09/1998 | US5763720 Hydrogenation catalysts, steaming and exchanging alkyl groups |
| 06/09/1998 | US5763714 Catalytic hydrotreatment of mixed aromatic stream to remove olefins and distillation to separate heavy and light oils, then selective adsorption to remove para-xylene |
| 06/09/1998 | CA2083752C Composition containing benzyltoluenes and benzylxylenes, its application as dielectrics |
| 06/03/1998 | EP0844990A1 Vinylaromatic and cyclic aliphatic monomer purification process |
| 06/03/1998 | CN1183759A Process of preparing ethylbenzene or substed. derivs. thereof |
| 06/03/1998 | CN1183400A Process for refining 2, 6-dimethylnaphthalene by stepwise temp rising emulsifying crystallizing |
| 06/02/1998 | US5760266 Method for the cyclotrimerization of alkynes in aqueous solutions |
| 05/28/1998 | WO1998022412A1 Process for preparing aromatic olefins by using palladaphosphacyclobutanes as catalysts |
| 05/27/1998 | EP0844000A1 Use of alpha, omega-diarylalkane derivatives in the treatment and prevention of psychosis |
| 05/26/1998 | US5756873 Design for aromatics alkylation |
| 05/26/1998 | US5756872 Process for the treatment of FCCU off gas |
| 05/26/1998 | US5756414 Method of regenerating deactivated catalyst |
| 05/20/1998 | EP0842914A1 Alkylation process with enhanced catalyst stability |
| 05/20/1998 | EP0842239A1 Method for monomer recovery |
| 05/20/1998 | EP0804393A4 Shape selective hydrocarbon conversion |
| 05/20/1998 | DE19647582A1 Verfahren zur Herstellung von aromatischen Olefinen mittels Katalyse durch Palladaphosphacyclobutane A process for preparing aromatic olefins by means of catalysis by palladaphosphacyclobutanes |
| 05/20/1998 | CN1182117A Method for inhiting rate of coke formation during zeolite catalyzed aromatization of hydrocarbons |
| 05/20/1998 | CN1182071A Process for dehydrogenation of ethylbenzene to styrene |
| 05/20/1998 | CN1182070A Toluene disproportionation process |
| 05/13/1998 | EP0841387A2 Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons |
| 05/13/1998 | EP0841317A1 Process for dehydrogenation of ethylbenzene to styrene |
| 05/13/1998 | EP0841316A1 Process for preparing 2-methylnaphthalene |
| 05/13/1998 | EP0841092A2 Zeolite material and the use thereof in the conversion of non-aromatic hydrocarbons to aromatics and light olefins |
| 05/13/1998 | CN1181367A Gas phase alkylation-liquid transalkylation process |
| 05/13/1998 | CN1181366A Heat integration in alkylation/transalkylation process |
| 05/12/1998 | US5750765 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 05/12/1998 | CA2217145A1 An improved zeolite material and the use thereof in the conversion of non-aromatic hydrocarbons to aromatics and light olefins |
| 05/06/1998 | EP0839784A1 Heat exchange integration in alkylation/transalkylation process |
| 05/06/1998 | EP0839783A1 Gas phase alkylation-liquid phase transalkylation process |
| 05/06/1998 | CN1180687A Dehydrogenating technology for producing phenylethylene |
| 05/06/1998 | CN1180586A Catalyzer for preparation of cumin by benzene and propene hydrocarbon |
| 05/06/1998 | CA2220153A1 Process for preparing 2-methylnaphthalene |
| 04/30/1998 | WO1998017696A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| 04/29/1998 | EP0838447A1 Processes employing reusable aluminum catalysts |
| 04/29/1998 | EP0837921A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| 04/29/1998 | EP0837848A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity |
| 04/29/1998 | EP0821702A4 An acetylenic carbon allotrope |
| 04/29/1998 | EP0703886A4 Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst |
| 04/28/1998 | US5744674 Catalyst and process for the conversion of heavy aromatics to light aromatics |
| 04/28/1998 | US5744673 Disproportionation |
| 04/28/1998 | US5744672 Using a mixture of 3,5-di-tert-butyl-4-hydroxy-n,n-dimethylbenzylamine and an acid component in the presence of air |
| 04/28/1998 | US5744671 Process for the preparation of an alkyl benzene |
| 04/28/1998 | US5744670 Transalkylation and isomerization of a feedstock comprising isomers of dialkyl naphthalene and naphthalene with a catalyst having a specific x-ray diffraction patterns |
| 04/23/1998 | WO1998016468A1 Hydrocarbon conversion using large crystal zeolite catalyst |
| 04/22/1998 | EP0837045A1 Liquid crystalline compound having alkynyl group, and liquid crystal composition and liquid crystal display device therefrom |
| 04/22/1998 | CN1179771A Heavy aromatics processing |
| 04/22/1998 | CN1179360A Texturing of mixed light-hydrocarbon aromatization catalyst by solid phase reaction |