Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
01/1982
01/26/1982US4313017 Selective hydrogenation of polynuclear aromatic reactants
01/26/1982US4312791 Platinum group metal, cobalt, cadmium oxide and group 1a or 2a oxide; dehydrogenation catalyst
01/26/1982US4312790 Aromatics processing catalysts
01/26/1982US4312785 Trivalent titanium alkylation and isomerization catalyst
01/26/1982US4312780 Dehydrogenation catalyst
01/26/1982CA1117120A1 Oxydehydrogenation process for alkylaromatics and catalyst therefor
01/20/1982EP0043925A1 Process for the preparation of o-xylene and ethyl benzene
01/19/1982US4311868 Process for converting hydrocarbon
01/19/1982US4311867 Hydrogen fluoride, boron trifluoride catalysts
01/19/1982US4311611 Process for regenerating an antimony containing oxide catalyst
01/19/1982CA1116642A1 Hydrogen regeneration of coke-selectivated crystalline aluminosilicate catalyst
01/13/1982EP0043562A1 Crystalline metallophosphate compositions
01/12/1982US4310717 Oxide of manganese, phosphorus and alkali metal as catalyst
01/12/1982US4310714 Ruthenium catalyst
01/12/1982US4310440 Crystalline metallophosphate compositions
01/05/1982US4309359 Reacting off-gas in fuel cell to generate electricity
01/05/1982CA1115735A1 Selective hydrogenation of cyclopentadiene to form cyclopentene
12/1981
12/30/1981EP0042754A1 Conversion of xylenes containing ethyl benzene
12/30/1981EP0042537A1 Process for the position isomerization of terminal double bonds in olefins
12/29/1981US4308413 Process for the preparation of alkylbenzenes
12/29/1981US4308175 Oxides of chromium, tungsten, and molybdenum or potassium
12/29/1981CA1115260A1 Dehydrogenation catalyst
12/24/1981WO1981003609A1 Device to facilitate putting an elastic envelope on a part projecting from the human body and a method of expanding the cross section of the envelope
12/23/1981EP0042252A1 Isobutene by dehydroisomerisation of normal butane
12/23/1981EP0042226A1 Zeolite EU-1
12/23/1981EP0042210A2 Palladium(II) bis (hexafluoroacetylacetonate), adducts derived therefrom and uses thereof
12/22/1981US4307248 Process for hydrogenating organic compounds by use of non-ferrous group VIII aluminum coprecipitated catalysts
12/15/1981US4306085 Hydroformylation process using resin-ligand-metal catalyst
12/15/1981US4306082 Optically active tertiary phosphine oxides and tertiary phosphines and processes for their preparation
12/15/1981CA1114403A1 Process for producing unsaturated hydrocarbons
12/08/1981US4304950 Hydrocarbon dehydrogenation method using a nonacidic multimetallic catalytic composite
12/08/1981US4304658 Dehydrocyclization to aromatic hydrocarbons over rhodium catalyst
12/02/1981EP0040950A2 Process for regenerating antimony containing oxide catalyst
12/01/1981US4303551 Supported catalyst
12/01/1981CA1113510A1 Hydrogenation of cyclopentadiene to form cyclopentene
12/01/1981CA1113509A1 Xylene isomerization
12/01/1981CA1113498A1 Preparation of methacrylic derivatives from tertiary butyl-containing compound
11/1981
11/24/1981US4302400 Containing triphenylphosphine and carbon monoxide ligands, intermediates for hydrorefining alloys
11/24/1981CA1113125A1 Ethynylbenzenes
11/18/1981EP0040119A1 Process for the dehydrocyclisation of paraffins at very low pressures
11/10/1981US4300014 Catalyst selectivity
11/10/1981US4300013 Zeolites
11/10/1981US4300011 Selective production of aromatics
11/10/1981US4300010 Production of ethylbenzene
11/10/1981US4300008 Preparation of 2,6-dimethyldecalin and its isomers
11/10/1981US4299808 Crystalline chromosilicates and process of preparation
11/10/1981CA1112253A1 Isomerisation of alkyl aromatics using a gallium containing aluminosilicate catalyst
11/04/1981EP0039205A1 Selective production of dialkylbenzenes
11/03/1981US4298462 Hydrocarbon dehydrocyclization with an acidic multimetallic catalytic composite
10/1981
10/21/1981EP0038141A2 Preparation of aromatics processing catalyst, catalyst so prepared, and xylene isomerisation therewith
10/21/1981EP0037983A1 Method of making shaped crystalline aluminosilicates catalysts
10/21/1981EP0037982A1 Method of making shaped crystalline aluminosilicates catalysts
10/20/1981US4295960 Hydrocarbon dehydrocyclization with an attenuated superactive multimetallic catalytic composite
10/20/1981US4295959 Hydrocarbon dehydrocyclization with an attentuated superactive multimetallic catalytic composite
10/14/1981EP0037671A1 Shape selective acid catalyzed reactions of olefins over crystalline zeolites
10/13/1981CA1110643A1 Binuclear rhodium complex as a hydroformylation and a hydrogenation catalyst
10/07/1981EP0037116A1 Bicyclic and manifold unsaturated compounds, their preparation and their use as starting materials in the preparation of bicyclic single unsaturated compounds
10/06/1981US4293728 Removal of sulfur, arsenic, alumina
10/06/1981CA1110263A1 Zero-valent metal catalysts
09/1981
09/30/1981EP0036704A2 Improved aromatics processing
09/30/1981EP0036703A2 Preparation of metal containing catalysts
09/30/1981EP0036683A1 Process for the preparation of crystalline aluminium silicates, crystalline aluminium silicates so prepared and process for the production of an aromatic hydrocarbon mixture
09/29/1981US4292458 Using a molecular sieve comprising a metal oxide and boron silicates
09/29/1981US4292457 Using a molecular sieve comprising a metal oxide and boron si-i&a0es
09/29/1981US4292456 Oxydehydrogenation process for preparing indenes
09/29/1981US4292455 Using different hydrogenation catalysts at different stages; catalyst selectivity
09/29/1981US4292207 Nonacidic superactive multimetallic catalytic composite for use in hydrocarbon dehydrogenation
09/23/1981EP0036292A1 Process for the production of aromatic hydrocarbons
09/23/1981EP0036121A1 Oligo-isobutyl cyclohexane, process for its production and its use
09/22/1981US4291184 Process for producing tertiary-butylstyrene
09/22/1981US4291183 Oxidative dehydrogenation using an aluminum-calcium-cesium phosphate catalyst
09/22/1981US4291181 Indenes from tetrahydroindenes
09/22/1981US4291180 Co-production of indene and styrene
09/16/1981EP0035807A1 Process for carrying out catalytic conversions
09/15/1981US4289919 Catalytic isomerization of an internal double bond aliphatic mono-olefin to produce terminal bond olefin
09/15/1981US4289917 Alkoxides of 2-pinanol
09/15/1981US4289607 Catalytic conversion with crystalline zeolite product constituting ZSM-5/ZSM-11 intermediates
09/09/1981EP0035329A1 Prevention of polymer formation in dehydrogenation of p-ethyltoluene
09/08/1981US4288646 Regioselective preparation of β-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts
09/08/1981US4288644 Acidic alumina as catalyst
09/08/1981US4288643 Process for preparing 2,3-dimethyl-butene-2
09/08/1981US4288234 Recovery of aromatics from styrene production off-gas
09/08/1981CA1108654A1 Process for converting unsaturated c.sub.4 hydrocarbons into normal butane
09/01/1981US4287378 By catalytic disproportionation, proportionation, or isomerization wherein the catalyst is a transition metal oxide exposed to radiation
09/01/1981US4287375 In the presence of steam, wherein heat for the reaction is obtained from a melt of sodium, potassium, and lithium carbonates
09/01/1981CA1108114A1 Dehydrogenation catalyst
08/1981
08/26/1981EP0034444A2 Enhancement of zeolite catalytic activity
08/25/1981US4285919 Method of preparing a metal-cation-deficient crystalline borosilicate
08/19/1981EP0033860A2 Method for the catalytic hydrogenation of organic compounds
08/18/1981US4284835 Hydrogenation process
08/12/1981EP0033376A1 Process for the isomerization of insulated to conjugated double bonds in reaction products from conjugated diolefins and aromatic hydrocarbons
08/11/1981US4283585 Comprising a refractory metal oxide carrier, a platinum group metal, a group 4 or 6 metal, and a metal halide
08/11/1981US4283584 Manufacture of aromatic compounds
08/11/1981US4283417 Antisecretory agents
07/1981
07/29/1981EP0032713A2 Phosphonium salts, process for their preparation and their use as starting materials in the preparation of unsaturated bicyclic compounds
07/29/1981EP0032543A1 Process for the isomerization of n-alkenes
07/28/1981US4280930 Platinum group metal, cobalt and alkali or alkaline earth metal oxide dehydrogenation catalyst containing a zinc oxide or aluminate component
07/28/1981US4280899 Platinum group component, cobalt and tantalum component and halogen in catalyst
07/22/1981EP0032455A2 Improved heterogeneous catalyst
07/21/1981US4279778 Process for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst for the conversion of hydrocarbons