Class 585/621 - Elemental O acceptor

Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein the acceptor is oxygen which enters
No. of patents: 36
Last issue date: 10/14/2008

Number	Title	Issue Date
7435860	Method for the production of butadine from n-butane A process for preparing butadiene, comprising nonoxidatively dehydrogenating n-butane from a stream (a) in a first dehydrogenation zone to obtain stream (b) comprising 1-butene and 2-butene; oxidatively dehydrogenating the 1-butene and 2-butene of (b) in the presenc...	10/14/2008
7417173	Method for producing butadiene from n-butane Processes for producing butadiene from n-butane comprising: (a) providing a feed gas stream comprising n-butane; (b) non-oxidatively dehydrogenating the feed gas stream in the presence of a catalyst in a first dehydrogenation zone to form a first intermediate gas st...	08/26/2008
7262334	Catalytic partial oxidation of hydrocarbons A process for the production of a reaction product including a carbon containing compound. The process includes providing a film of a fuel source including at least one organic compound on a wall of a reactor, contacting the fuel source with a source of oxygen, form...	08/28/2007
7125817	Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 a...	10/24/2006
7122493	Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises: (1) at least one solid acid component, (2) at least one metal-based compo...	10/17/2006
7122494	Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of two or more elements from Groups 4�...	10/17/2006
7122492	Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Groups 1 ...	10/17/2006
7122495	Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst system contains at least one solid acid component and at least one metal-based component which consists of (a) oxygen and/or sulfur and ...	10/17/2006
6566573	Autothermal process for the production of olefins A process and catalyst for the partial oxidation of paraffinic hydrocarbons, such as ethane, propane, naphtha, and natural gas condensates, to olefins, such as ethylene and propylene. The process involves contacting a paraffinic hydrocarbon with oxygen in...	05/20/2003
6020534	Process for production of propylene and ethylene by non-catalytic oxycracking of propane or propane-rich C₂ -C₄ paraffins A process for the production of propylene and ethylene by non-catalytic oxidative conversion of propane by allowing the endothermic hydrocarbon cracking reaction to occur simultaneously with the exothermic hydrocarbons oxidative conversion reactions in an...	02/01/2000
6018088	Superacid catalyzed formylation-rearrangement of saturated hydrocarbons A method is disclosed for producing branched aliphatic ketones in hydrocarbon mixtures from isoalkanes by a superacid catalyzed formylation-rearrangement reaction. The method can be used to simultaneously isomerize, if necessary, and formylate hydrocarbon...	01/25/2000
5866737	Oxidation and oxydehydrogenation of hydrocarbons in the fluidized bed A process for the oxidation and oxidative dehydrogenation of hydrocarbons, in particular ethylbenzene, to form corresponding oxidized or olefinically unsaturated compounds, in particular styrene, over an oxygen-conferring, oxygen-regenerable catalyst invo...	02/02/1999
5763725	Process for the production of ethylene by non-catalytic oxidative cracking of ethane or ethane rich C₂ -C₄ paraffins An improved process for the production of ethylene by non-catalytic oxidative cracking of ethane or ethane rich C2 -C4 paraffins with high conversion, selectivity and productivity, operating in a most energy efficient and safe manner...	06/09/1998
5648582	Stable, ultra-low residence time partial oxidation A process for the catalytic partial oxidation of methane in gas phase at very short residence time (800,000 to 12,000,000 hr-1) by contacting a gas stream containing methane and oxygen with a metal supported catalyst, such as platinum deposited...	07/15/1997
5510558	Oxidative dehydrogenation of hydrocarbons with active carbon catalyst Oxidative dehydrogenation of alkanes and alkylaromatic hydrocarbons is achieved by contact with an active carbon catalyst. In various aspects of the invention, the oxidative dehydrogenation is performed at a pressure above about 100 psia, and/or at a temp...	04/23/1996
5386074	Catalytic dehydrogenation of alkanes Barium peroxide in which has been incorporated a transition metal compound is used as a catalyst for the oxidative dehydrogenation of organic compounds in the presence of terminal oxidants....	01/31/1995
5214226	Method and apparatus for the homogeneous conversion of methane The present invention teaches an apparatus and method for commercial conversion of methane in the absence of a catalyst to higher hydrocarbons that are generally in short supply, e.g., butane, ethylene, propene, etc. The production of these higher molecul...	05/25/1993
5043500	Use of steam eductor to supply oxygen for oxidative reheating in dehydrogenation of C₃ + hydrocarbons A dehydrogenation process, where a hydrocarbon feed is dehydrogenated in a dehydrogenation zone and then oxidatively reheated by the combustion of hydrogen in an oxidation zone containing an oxidation catalyst, is improved by using a stream of dilution st...	08/27/1991
4973793	Oxidative dehydrogenation of amylenes Cofeeding butylenes with amylenes in a catalytic oxidative dehydrogenation reaction substantially improves the conversion of the amylenes. The approved amylene conversion is obtained by the oxidative dehydrogenation of mixtures of amylenes and from 10 to ...	11/27/1990
4788371	Catalytic oxidative steam dehydrogenation process A novel process is disclosed for the steam dehydrogenation of dehydrogenatable hydrocarbons in the vapor phase in conjunction with oxidative reheating of the intermediate products. The process utilizes a single catalyst to perform both the selective oxida...	11/29/1988
4778941	Eduction of intermediate effluent in dehydrogenation process having oxidative reheat More efficient mixing, more complete hydrogen consumption, and more thorough cooling of a dehydrogenation zone effluent is obtained by educting a portion of the dehydrogenation effluent from the reaction and externally cooling the withdrawn effluent in a ...	10/18/1988
4658074	Catalytic oxidative dehydrogenation process Oxidative dehydrogenation of organic compounds in vapor phase with catalysts comprising crystalline compositions of iron, oxygen and at least one other metallic element. Preferred catalysts are ferrites....	04/14/1987
4652687	Process for the dehydrogenation of dehydrogenatable hydrocarbons Unsaturated hydrocarbons may be prepared by subjecting dehydrogenatable hydrocarbon to dehydrogenation in the presence of a dehydrogenation catalyst. The effluent stream from this step, comprising unconverted hydrocarbons, dehydrogenated hydrocarbons, hyd...	03/24/1987
4595788	Process for producing butadiene A process for producing butadiene which comprises (1) a reaction step of forming butadiene by gas-phase catalytic oxidative dehydrogenation of n-butene, (2) a cooling step of cooling the resulting gas discharged from the reaction step (1) to remove trace ...	06/17/1986
4567314	Process for producing diolefins High surface area oxidative dehydrogenation catalysts which are suitable for converting C4 to C8 mono-olefins to diolefins are disclosed, comprising the oxides of an alkali metal, vanadium, phosphorus, and preferably tin in combinati...	01/28/1986
4547615	Process for producing conjugated diolefins A process for producing a conjugated diolefin, which comprises oxidatively dehydrogenating a monoolefin having at least 4 carbon atoms in the vapor phase with molecular oxygen to form the corresponding conjugated diolefin, said reaction being carried out ...	10/15/1985
4413155	Ammoxidation of olefins with novel antimonate catalysts Oxide complex catalysts comprising Fe-Sb-Bi-Ox promoted with a wide variety of different elements have been found to be especially useful in the ammoxidation of olefins to nitriles such as acrylonitrile and methacrylonitrile. Not only are the d...	11/01/1983
4336409	Process for producing conjugated diolefins In a process for producing a conjugated diolefin which comprises oxidatively dehydrogenating a monolefin having at least 4 carbon atoms in the vapor phase with molecular oxygen to form the corresponding conjugated diolefin; the improvement wherein the oxi...	06/22/1982
4150063	Purification of unsaturated compounds Gaseous streams containing unsaturated hydrocarbons and carbonyl compounds are contacted with a catalyst comprising at least one metal of group 8, 1b, 2b, 4b, 6b and at least one element from group 1a and 2a to destroy the carbonyl compounds without subst...	04/17/1979
4083887	Carbonyl removal from gaseous streams using ZnS Gaseous streams containing carbonyl compounds have the carbonyl content reduced by contacting the gaseous streams with a catalyst of ZnS. Reactor effluent from an oxidative dehydrogenation reaction to produce butadiene-1,3, is contacted with ZnS to remove...	04/11/1978
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
4054613	Butadiene production and purification Butadiene is produced in relatively pure form by an oxidative dehydrogenation process in which a crude butadiene stream comprising butadiene, butylenes, vinyl acetylene and propylene is first extractively distilled with an extractant consisting of a sulfo...	10/18/1977
4044067	Purification of unsaturated compounds Gaseous streams containing carbonyl compounds are reduced in carbonyl compounds by reacting a vapor phase with catalyst comprising as the major cation portion at least two metals of Periodic Table Groups 1b, 2b, 4b, 6b, 7b and 8. Reactor effluent from oxi...	08/23/1977
4035418	Process for producing unsaturated aldehydes and unsaturated carboxylic acids An olefin having 4 carbon atoms or t-butyl alcohol is catalytically oxidized in the gas phase with molecular oxygen at 200° to 450° C to give the corresponding unsaturated aldehyde, unsaturated carboxylic acid and/or conjugated diene in the presence of ...	07/12/1977
3980728	Method of co-producing isoprene and 2-methyl-1-butene Isobutylene is reacted with alkanes having from 1 to 3 carbon atoms at 600°-800°C in the presence of an initiating agent, viz., oxygen alone or air, taken in an amount of 1 to 20 vol.% of the initial reaction mixture (as oxygen). The proposed method is ...	09/14/1976
3943185	Diolefin production and purification A process for producing a stream of oxidatively dehydrogenated C4 hydrocarbons with substantially all of the oxygen and inert noncondensable gases removed comprising absorbing the C4 hydrocarbons in an absorber oil in a first zone; s...	03/09/1976

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Class 585/621 - Elemental O acceptor