Class 585/252 - Dehydrogenation

Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein the reaction after the hydrogenation
No. of patents: 25
Last issue date: 10/28/2008

Number	Title	Issue Date
7442290	Mesoporous aluminum oxide, preparation and use thereof Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the...	10/28/2008
7431828	Process for desulphurization of a hydrocarbon stream with a reduced consumption of hydrogen A two-stage hydrotreating process is disclosed wherein a hydrocarbon stream is first desulphurized followed by a dehydrogenation step, which process comprises in combination contacting the feed and hydrogen over a hydrotreating catalyst at hydrotreating conditions, ...	10/07/2008
7375049	Catalyst A catalyst suitable for the dehydrogenation and hydrogenation of hydrocarbons comprises at least one first metal and at least one second metal bound to a support material. The at least one first metal comprises at least one transition metal, suitably a platinum grou...	05/20/2008
7157533	Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction A process is described for obtaining from an “FCC” initial C5 fraction which is enriched with isoprene and purified and usable for the selective polymerization of isoprene. A process is also described for obtaining an isoprene homopolymer from a polymerization m...	01/02/2007
6747180	Metal catalysts Metal catalysts comprising hollow forms or spheres are made of metal alloy and optionally activated. The metal catalysts can be used for the hydrogenation, dehydrogenation, isomerization reductive alkylation, reductive amination, and/or hydration reaction of organic...	06/08/2004
6235851	Polymerizable adamantane derivatives and process for producing the same A compound shown by the following formula: ##STR1## wherein each of R1a, R2a, R3a and R4a represents a substituent selected from a non-reactive atom, a non-reactive group, a hydroxyl group and an amino group, an...	05/22/2001
6225516	Process for the production of linear alkylaromatic hydrocarbons Process for the production of linear alkylaromatic hydrocarbons comprising: a) dehydrogenating C10 -C14 n-paraffins; b) selectively hydrogenating the diolefins produced during step (a); c) feeding stream (b) and an aromatic hydrocarbon to an alkyla...	05/01/2001
5998685	Process for preparing butene oligomers from field butanes A highly flexible process for preparing butene oligomers from field butanes. The process can be controlled to produce the desired oligomerization products by appropriate selection of the starting materials....	12/07/1999
5463082	Fluorous multiphase systems Stoichiometric and catalytic chemical transformations may be carried out in solution using novel fluorous multiphase systems (FMS). The term "fluorous" is defined as a carbon-fluorine bond rich organic molecule. The FMS consists of a fluorous phase contai...	10/31/1995
5235120	Selective isoparaffin synthesis from naphtha A process combination is disclosed to selectively upgrade naphtha to obtain products suitable for further upgrading to reformulated fuels. A naphtha feedstock is hydrogenated to saturate aromatics, followed by selective isoparaffin synthesis to yield ligh...	08/10/1993
5217629	Procedure for cleaning filter used in production of hydrogen peroxide from anthraquinone The present invention relates to a procedure for cleaning a sinter used for filtering a metal catalyst suspension. As taught by the invention, the sinter is treated with an aqueous solution of hydrogen peroxide for displacing the metal catalyst left in th...	06/08/1993
5091073	Crystalline molecular sieve compositions MCM-37 This invention relates to a novel synthetic crystalline molecular sieve composition, MCM-37, which may contain framework +3 valence element, e.g. aluminum, and +5 valence element, e.g. phosphorus or with an addition +4 valence element, e.g. silicon, and t...	02/25/1992
4523045	Process for converting paraffins to olefins A process is disclosed for the production of linear olefinic hydrocarbons. A feed stream of paraffins is fed to a catalytic dehydrogenation reaction zone. Liquid phase hydrocarbons withdrawn from the dehydrogenation reaction zone are passed through a diol...	06/11/1985
4478814	Gas transporting system A first gas produced or supplied at a first location is reacted (combined) with a selected reactant in a reversible chemical reaction to produce a gaseous reaction product which is converted to liquid-form and conveyed, as a liquid, to a second location r...	10/23/1984
4476009	Process for improving the hydrogen donor properties of a coal liquefaction solvent A process for improving the properties of a hydrogen donor coal liquefaction solvent employed in a coal liquefaction process which comprises separating said coal liquefaction solvent into a first fraction boiling in the range from about 350° to about 675...	10/09/1984
4427526	Process for the production of hydrogenated aromatic compounds and their use A process is disclosed for the production of hydrogenated aromatic compounds and mixtures thereof by thermal treatment of aromatic oils or mixtures, derived from coal or petroleum, wherein the improvement over the prior art resides in thermally treating a...	01/24/1984
4218572	Process for the production of polyphenyls Substituted or unsubstituted cyclohexylbenzene is dehydrogenated to substituted or unsubstituted biphenyl in the absence of oxygen over an oxide complex catalyst. The oxide complex catalyst comprises at least one element selected from the group consisting...	08/19/1980
4133842	Production and recovery of linear mono-olefins Normal paraffinic hydrocarbons, having from three to about twenty carbon atoms per molecule, are dehydrogenated to produce corresponding linear mono-olefins.These are separated from unreacted paraffins, preferably via an adsorption-separation technique. R...	01/09/1979
4123470	Biaryl production Aromatic hydrocarbons are converted to biaryl compounds in a two-step process comprising hydroalkylation of the aromatic hydrocarbons to cycloalkyl aromatic hydrocarbons followed by dehydrogenation in the presence of a metal dehydrogenation catalyst and a...	10/31/1978
4067921	Primary adjunct, continuous diene process Cn dienes are efficiently separated and produced from a Cn hydrocarbon feed stream, wherein n is 4-8. For example, 1,2- and 1,3-butadienes are separated and produced from a C4 hydrocarbon feed stream comprising C4	01/10/1978
4062903	Process for isomerizing alkylaromatics A process is disclosed for producing a selected C8 alkylaromatic isomer from a feedstock containing a less than equilibrium concentration of the selected isomer and a low C8 naphthenes concentration, in which the feedstock is first c...	12/13/1977
3992465	Process for manufacturing and separating from petroleum cuts aromatic hydrocarbons of high purity Process for producing aromatic hydrocarbons, particularly benzene and/or toluene from a feed charge containing saturated and unsaturated hydrocarbons, by catalytic treatment of said charge with hydrogen, fractionation of the resulting product to separate ...	11/16/1976
3962362	Method for preparing polyphenyls Polyphenyls including biphenyl and terphenyl, are prepared by hydroalkylation of a charge benzene, dehydrogenation of hydroalkylate, and separation of desired product polyphenyls....	06/08/1976
3950447	Method for carrying out simultaneously the catalytic reactions involving hydrogen evolution and consumption A method for carrying out simultaneously the catalytic reactions involving the evolution and consumption of hydrogen, which comprises conducting the reactions in a reaction space divided by a partition made from a material that is selectively permeable to...	04/13/1976
3942957	Production of combustible gases Combustible gases containing both methane and hydrogen, for example gases obtained by the non- catalytic hydrogenation of oil or coal are treated to increase their calorific value by removal of elementary hydrogen in the catalytic hydrogenation of an unsa...	03/09/1976

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Class 585/252 - Dehydrogenation