Patents
Patents for C07C 2 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (17,014)
08/1990
08/14/1990CA1272709A1 Catalyst system for the production of aromatics from aliphatic hydrocarbons
08/08/1990EP0381353A1 Process for preparing polyalkyl tetrahydronaphthalenes
08/08/1990CN1044413A Reaction processes in a multi-stage fluidized bed
08/08/1990CN1009083B Dimerization and polymerization of ethylene
08/07/1990US4946815 Controlled temperature and steam during crystallization
08/07/1990US4946813 Catalysts for upgrading light paraffins
08/07/1990US4946812 Gallosilicate molecular sieve; platinum metal and chloride components
08/07/1990CA1272489A1 Process for the condensation of carbonyl and aromatic compounds
08/01/1990EP0380288A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphtalene
07/1990
07/31/1990US4945175 Dehydrocyclodimerization process start-up procedure
07/31/1990US4945078 Selectivity, sulfur tolerance
07/31/1990CA1272220A1 Conversion of light olefins to gasoline distillate and lube range hydrocarbons
07/31/1990CA1272219A1 Methylene linked aromatic pour point depressant
07/27/1990WO1990008590A1 Reaction processes in a multi-stage fluidized bed
07/27/1990CA2025770A1 Reaction processes in a multi-stage fluidized bed
07/27/1990CA2008367A1 Process for preparing polyalkyl tetrahydronaphthalenes
07/27/1990CA2008366A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalen
07/27/1990CA2008365A1 Process for preparing polyalkyl tetrahydronaphthalenes
07/25/1990EP0378916A1 Catalytic reactions using zeolites
07/25/1990CN1044052A Catalytic reactions using zeolites
07/24/1990US4943670 Hydroisomerization
07/24/1990US4943669 Method according to the invention is notably applied to the selective dimerization of propylene into methyl-4-pentene-1
07/24/1990US4943668 Aluminum halide-elemental iodine catalyst, selectivity for thermodynamically favored isomer
07/18/1990EP0378083A2 Method for the production of acetylene by incomplete combustion of hydrocarbons
07/17/1990US4942147 Catalyst system containing an autoacceleration inhibitor
07/17/1990US4942021 Multistage system for conversion of lower olefins with reactor quenching means
07/12/1990WO1990007480A1 Acid catalyzed process
07/11/1990EP0377306A1 Process for the preparation of hydrogenated co-oligomers
07/11/1990EP0377305A1 Novel alkylaromatic lubricant fluids
07/10/1990US4940570 Beryllium-aluminum-phosphorus-oxide molecular sieve compositions
07/03/1990US4939314 Method for on-stream low-pressure regeneration of an oligomerization catalyst from a fluid-bed reactor operating at high pressure with hydrocarbons in a non-liquid phase
07/03/1990US4939313 Water soluble ketone contained in roasted support; durability, catalysis
07/03/1990US4939312 Continuous process for the oxidative coupling of methane to C2+ hydrocarbons in the presence of catalysts
07/03/1990US4939311 Catalysts for the oxidative conversion of methane to higher hydrocarbons
07/03/1990US4939310 Catalysis with trimanganese tetroxide, alkali or alkaline earth metal promoter, and tungsten or tanalum
07/03/1990CA2006637A1 Enhanced lube yields and vi's from propylene oligomers
07/03/1990CA1271201A1 Product recovery method for dehydrocyclodimerization process
07/03/1990CA1271184A1 Method for producing ethylene-ethane mixtures
06/1990
06/28/1990WO1990006897A1 Method for methane conversion
06/27/1990EP0375286A1 Process for catalytic oligomerisation of olefins
06/27/1990EP0374999A2 Use of oligomers of alkenyl groups-substituted aromatics as co-agents
06/27/1990EP0374315A1 Catalyst system, process for preparing it, and process for alkylating toluene
06/27/1990EP0374206A1 New zeolite ssz-26.
06/27/1990CN1043308A Process for transformation of methyl alcohol using improved cobalt catalyst
06/26/1990US4936977 Conversion of hydrocarbons
06/26/1990EP0356518A4 Method of obtaining i-butene and/or hexenes.
06/26/1990CA1270861A1 Continuous process for the oxidative coupling of methane to c.sub.2 hydrocarbons in the presence of catalysts
06/26/1990CA1270860A1 Continuous process for producing 5-vinyl-2-norbornene
06/26/1990CA1270859A1 Dehydrocyclodimerization process
06/26/1990CA1270809A1 Phosphorus modified magnesium silicate
06/20/1990CN1043096A Basic metal-zeolite compositions, their preparation and use in base catalyzed reactions
06/19/1990US4935577 Alkylation; oligomerization
06/19/1990US4935576 Polybutene process
06/19/1990US4935575 Coordination catalyst containing group six, group eight, and organoaluminum compound on support
06/19/1990US4935572 Mixed basic metal oxide catalyst for oxidative coupling of methane
06/19/1990US4935570 Olefin oligomer synlube process
06/19/1990US4935569 Reacting ethylene and triethylaluminum using butene displacement loop
06/19/1990US4935559 Olefination of iodoaromatic compounds
06/19/1990US4935216 Zinc-aluminum-phosphorus-silicon-oxide molecular sieve compositions
06/19/1990CA2005452A1 Method for on-stream low-pressure regeneration of an oligomerization catalyst from a fluid-bed reactor operating at high pressure with hydrocarbons in a non-liquid phase
06/19/1990CA1270496A1 Process for the reducing fouling in higher olefin plants
06/13/1990EP0372313A2 Sulfonated phenyl phosphine-containing complexes
06/13/1990CN1042898A Process and appliance for hydrocarbons conversion
06/13/1990CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
06/07/1990DE3840600A1 Complex compounds containing sulphonated phenylphosphanes
06/06/1990EP0371738A2 Preparation of phenol through cumene
06/06/1990CA2004641A1 Use of oligomers of alkenyl groups-substituted aromatics as co-agents
06/05/1990CA1270003A1 Multistage process for converting olefins to heavier hydrocarbons
06/05/1990CA1270002A1 Ethylene dimerization and polymerization
06/05/1990CA1270001A1 Oligomerization of olefins
06/05/1990CA1270000A1 Aromatic conversion process
05/1990
05/30/1990EP0370909A1 Process for the conversion of natural gas or of light alkanes into unsaturated hydrocarbons
05/30/1990EP0370805A2 Improved polybutene process
05/30/1990EP0370563A1 Preparation of conjugated dienes
05/30/1990EP0370553A2 Basic metal-zeolite compositions, their preparation and use in base catalyzed reactions
05/30/1990EP0370275A1 Process for making a C8-18 olefin oligomer
05/29/1990US4929797 Dimerization of methane by dehydrogenation, thermal diffusion
05/29/1990US4929789 Formation of ethylene or acetylene from hydrocarbons
05/29/1990US4929788 Process for separating 1-dodecene and 1-tetradecene from an aluminum alkyl chain growth product
05/29/1990US4929787 Process for converting methane to higher hydrocarbons
05/29/1990US4929784 Process for the preparation of optionally substituted benzyl-benzenes
05/29/1990US4929783 Catalytic alkylation of alkylbenzene with ethylene or propylene
05/29/1990US4929782 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
05/29/1990US4929584 Alkylation of Benzene compounds with detergent range olefins
05/29/1990CA1269675A1 Oxidation of methane over heterogeneous catalysts
05/24/1990CA2003620A1 Method of conversion of natural gas or of light alkanes into unsaturated hydrocarbons
05/23/1990CA2003568A1 Preparation of conjugated dienes
05/23/1990CA2003562A1 Basic metal-zeolite compositions, their preparation and use in base catalyzed reactions
05/22/1990US4927960 Telomerization catalyst
05/22/1990CA1269403A1 Process for converting oxygenates into alkylated liquid hydrocarbons
05/22/1990CA1269402A1 PROCESS FOR PREPARING .alpha.-OLEFINS FROM LIGHT OLEFINS
05/22/1990CA1269398A1 Process for the preparation of unsaturated compounds
05/22/1990CA1269224A1 Crystalline gallophosphate compositions
05/16/1990EP0368025A1 A method of polymerizing alpha-omega diynes
05/16/1990EP0367873A1 Hydrocarbon conversion process using a regenerable fluoride-sensitive catalyst
05/16/1990CN1042093A Composition of solid matter used as oxidative conversion catalyst of organic compounds
05/16/1990CN1007983B The new composition which is containing ni and soluble in hydrogencarbons and use thereof
05/15/1990US4926004 Treatment with oxidizer to remove carbon deposits
05/15/1990US4926003 Process for combining the regeneratorless operation of tandem super-dense riser and fluid-bed oligomerization reactors containing a zeolite oligomerization catalyst
05/15/1990US4926001 Method for the thermal conversion of methane to hydrocarbons of higher molecular weights