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| Number | Title | Issue Date |
| 7902417 | Dual catalyst system for alkane metathesis A method of converting at least one first alkane to a mixture of at least one low molecular weight alkane (optionally also including additional lower and/or higher molecular weight alkanes) and at least one high molecular weight alkane, comprising: reacting a first ... | 03/08/2011 |
| 7326802 | Preparation of at least one partial oxidation and/or ammoxidation product of propylene In a process for preparing at least one partial oxidation and/or ammoxidation product of propylene, the propylene is obtained from crude propane by dehydrogenating and subjected in the presence of unconverted propane as a constituent of a gas mixture 2 which compris... | 02/05/2008 |
| 7321058 | Method for producing acrolein and/or acrylic acid Acrolein and/or acrylic acid are prepared from propane and/or propene by a process comprising the following steps: (a) separation of propane and/or propene from a propane- and/or propene-containing gas mixture by absorption in an absorbent, (b) separation of the pro... | 01/22/2008 |
| 7145051 | Combined oxydehydrogenation and cracking catalyst for production of olefins A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1–3, one or more element from Groups 4–15 and one or more element from Groups 16 and 17 of the Period... | 12/05/2006 |
| 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 |
| 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 |
| 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 4â... | 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 |
| 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 |
| 6831204 | MCrAlY supported catalysts for oxidative dehydrogenation of alkanes A new family of oxidative dehydrogenation catalysts having MCrAlY supports can be used in the production of olefins. Olefins are produced by heating a feed stream comprising at least an alkane and an oxidant to a temperature between 25° C. and 800° C.; contacting ... | 12/14/2004 |
| 6624116 | On-line synthesis and regeneration of a catalyst used in autothermal oxidation An on-line method of synthesizing or regenerating catalysts for autothermal oxidation processes, specifically, the oxidation of paraffinic hydrocarbons, for example, ethane, propane, and naphtha, to olefins, for example, ethylene and propylene. The cataly... | 09/23/2003 |
| 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 |
| 6566569 | Conversion of refinery C5 paraffins into C4 and C6 paraffins A process for preparing a C4- product stream and a C6 + product stream is disclosed. The process involves contacting a C5 containing paraffinic feedstock with a catalyst that includes a hydrogenation/dehydrogenation cataly... | 05/20/2003 |
| 6281403 | Solid state proton and electron mediating membrane and use in catalytic membrane reactors Mixed electron- and proton-conducting metal oxide materials are provided. These materials are useful in fabrication of membranes for use in catalytic membrane reactions, particularly for promoting dehydrogenation of hydrocarbons, oligomerization of hydroc... | 08/28/2001 |
| 6218591 | Zeolite SSZ-36 The present invention relates to new crystalline zeolite SSZ-36 prepared using a cyclic or polycyclic quaternary ammonium cation templating agent.... | 04/17/2001 |
| 6203694 | Conversion of heavy hydrocarbon to aromatics and light olefins A method for optimizing the yield of light olefins in a process for the conversion of a heavy hydrocarbon stream to aromatics and light olefins by contacting the heavy hydrocarbon stream with a zeolite catalyst along with the controlled introduction of a ... | 03/20/2001 |
| 6187984 | Dehydrogenation of n-butane to butenes A catalyst composition suitable for the conversion of n-butane to butenes. The same catalyst composition that with chlorination is further suitable, when used in the conversion of n-butane, for the production of an increased amount of BTX (benzene-toluene... | 02/13/2001 |
| 6166283 | On-line synthesis and regenerating of a catalyst used in autothermal oxidation An on-line method of synthesizing or regenerating catalysts for autothermal oxidation processes, specifically, the oxidation of paraffinic hydrocarbons, for example, ethane, propane, and naphtha, to olefins, for example, ethylene and propylene. The cataly... | 12/26/2000 |
| 6072097 | Catalytic oxidative dehydrogenation process and catalyst A process for the production of a mono-olefin from a gaseous paraffinic hydrocarbon having at least two carbon atoms or mixtures thereof comprising reacting said hydrocarbons and molecular oxygen in the presence of a platinum catalyst. The catalyst consis... | 06/06/2000 |
| 5959170 | Methane conversion process A method for converting methane to higher hydrocarbon products and coproduct water wherein a gas comprising methane and a gaseous oxidant are contacted with a nonacidic catalyst at temperatures within the range of about 700 to 1200° C. A preferred cataly... | 09/28/1999 |
| 5905180 | Catalytic oxidative dehydrogenation process and catalyst A process for the production of a mono-olefin from a gaseous paraffinic hydrocarbon having at least two carbon atoms or mixtures thereof comprising reacting said hydrocarbons and molecular oxygen in the presence of a platinum catalyst. The catalyst consis... | 05/18/1999 |
| 5821387 | Polyarenes from aryl ketones with application to synthesis of crisnatol mesylate Alkyl-substituted polyarenes of the formula ##STR1## in which R is alkyl and Arres is an aryl residue, are prepared from aryl ketones by reaction of the latter with 1-cyclohexenyloxytrimethylsilane in the presence of a Friedel-Crafts ... | 10/13/1998 |
| 5817904 | Method for the conversion of methane into longer chain hydrocarbons A method for converting methane by an oxidative coupling reaction to longer chain hydrocarbons comprising cofeeding methane and oxygen simultaneously and continuously into a reaction zone to form a mixture, contacting said methane and oxygen mixture under... | 10/06/1998 |
| 5811622 | Process for the production of dehydrogenated hydrocarbons A process for the dehydrogenation of a dehydrogenatable hydrocarbon by (1) contacting the dehydrogenatable hydrocarbon with a liquid alkali metal in a dehydrogenation zone to produce a stream containing a dehydrogenated hydrocarbon and an unconverted dehy... | 09/22/1998 |
| 5763722 | Method for the methane chemical conversion into C2 hydrocarbons An improved method for the oxidative conversion of methane into higher hydrocarbons in which methane and oxygen are continuously and simultaneously cofed into a reaction zone under effective oxidative coupling conditions and contacted with a solid catalys... | 06/09/1998 |
| 5744667 | Preparation of trimethyl pentanes by hydrogen transfer Gasoline range olefins such as trimethyl pentene are saturated to the corresponding paraffins such as trimethylpentane by hydrogen transfer from lower molecular weight paraffins using a catalyst comprising platinum supported on a large pore borosilicate z... | 04/28/1998 |
| 5705728 | Process for the production of ethylene and mixture containing ethylene The present invention provides an efficient process for the production of ethylene or a mixture of ethylene and vinyl chloride, in which some 1,2-dichloroethane (EDC) may also be produced, by reacting chlorine with ethane. The process is characterized by ... | 01/06/1998 |
| 5663472 | Production of alkenes A process for reacting ethane with chlorine to produce a mixture of ethylene and vinyl chloride is disclosed. The process involves the intimate mixing of ethane and chlorine in an ethane to chlorine ratio of at least about 0.9:1 at a temperature such that... | 09/02/1997 |
| 5639926 | Process for producing a branched chain olefin by isomerization and transhydrogenation A process for producing a branched chain olefin which comprises isomerising and transhydrogenating a hydrocarbon stream containing at least one straight chain paraffin of 4 or more carbon atoms by contacting the same at elevated temperature with a stream ... | 06/17/1997 |
| 5639929 | Oxidative dehydrogenation process A process for the oxidative dehydrogenation of hydrocarbons is disclosed in which C2 -C6 alkanes are contacted with an oxygen containing gas in a fluidized catalyst bed of platinum, rhodium, nickel or platinum-gold supported on ... | 06/17/1997 |
| 5585530 | Transhydrogenation A process for the production of olefins comprises dehydrogenating at least one hydrogen-donor hydrocarbon that is essentially free from olefinic unsaturation, e.g. a paraffin, in the presence of a dehydrogenation catalyst and in the presence of at least o... | 12/17/1996 |
| 5530171 | Process for the catalytic dehydrogenation of alkanes to alkenes with simultaneous combustion of hydrogen There is provided a process for the net catalytic oxidative dehydrogenation of alkanes to produce alkenes. The process involves simultaneous equilibrium dehydrogenation of alkanes to alkenes and combustion of the hydrogen formed to drive the equilibrium d... | 06/25/1996 |
| 5527979 | Process for the catalytic dehydrogenation of alkanes to alkenes with simultaneous combustion of hydrogen There is provided a process for the net catalytic oxidative dehydrogenation of alkanes to produce alkenes. The process involves simultaneous equilibrium dehydrogenation of alkanes to alkenes and combustion of the hydrogen formed to drive the equilibrium d... | 06/18/1996 |
| 5527978 | Process and catalyst for converting methane into higher hydrocarbon products Methane is converted into higher hydrocarbon products by oxidative coupling, by bringing a gaseous mixture containing methane and oxygen into contact with a solid catalyst formed from calcium oxide, magnesium oxide, a lanthanide oxide plus possibly lithiu... | 06/18/1996 |
| 5498816 | Process for the dehydrogenation of hydrocarbons Process for the dehydrogenation of a hydrocarbon feed stream comprising steps of contacting the feed stream with a dehydrogenation catalyst in at least one dehydrogenation zone and reacting the feed stream to a hydrogen containing effluent stream; admixin... | 03/12/1996 |
| 5476981 | Oxidative dehydrogenation of hydrocarbons with solid superacid catalyst Solid superacid catalyst, for example sulfated zirconia, is used in the oxidative dehydrogenation of saturated or partially saturated hydrocarbons, for example the conversion of isobutane to isobutylene in the presence of an oxygen-containing oxidizing ag... | 12/19/1995 |
| 5476980 | Process for the dehydrogenation of a dehydrogenatable hydrocarbon A process for the dehydrogenation of a dehydrogenatable hydrocarbon by contacting the hydrocarbon with a liquid comprising an alkali metal in a dehydrogenation zone to produce a dehydrogenated hydrocarbon and an alkali metal halide. The resulting alkali m... | 12/19/1995 |
| 5406017 | Methane conversion process A method for converting methane to higher hydrocarbon products and coproduct water wherein a gas comprising methane and a gaseous oxidant are contacted with a nonacidic catalyst at temperatures within the range of about 700° to 1200° C. A preferred cata... | 04/11/1995 |
| 5354936 | Method for preparing ethane and ethylene from methane A method for preparing ethane and ethylene by reacting methane or a methane-containing natural gas in the presence of oxygen or an oxygen-containing gas, i.e., by partially oxidizing, at a temperature of 500° through 1000° C. using shellfishes or shells... | 10/11/1994 |
| 5336825 | Integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range This invention discloses an improved integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range. The invention particularly comprises catalytic oxidative conversion of methane with free oxygen to ethylene and higher ole... | 08/09/1994 |
