Wise; L. G. - US Patent Attorneys and Agents

Attorney: Wise; L. G.

Number of patents: 150
Last date: September 05, 1989

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Number	Title	Issue Date
4864067	Process for hydrotreating olefinic distillate A process and reactor system is disclosed for hydrotreating a low sulfur containing olefinic distillate and conventional feedstock to a catalytic hydrodesulfurization. The process comprises passing a minor portion of the olefinic distillate to a first hyd...	09/05/1989
4859308	Two-stage process for conversion of alkanes to gasoline Lower alkanes are converted to olefins in a `third bed` external catalyst cooler (ECC) in which hot catalyst, from a first regenerator (`second bed`) operating in conjunction with a fluid catalytic cracker (`first bed`), thermally cracks and dehydrogenate...	08/22/1989
4857667	System for conversion of crude oxygenate to gasoline with feedstock extraction Apparatus for converting crude aqueous oxygenate feedstock, such methanol or the like, to liquid hydrocarbons in contact with a medium pore shape selective crystalline acid zeolite catalyst, such as HZSM-5. In a preferred embodiment, the novel technique c...	08/15/1989
4854939	Aromatization and etherification process integration An integrated process for the production of aromatics rich an MTBE and TAME rich high octane gasoline fractions is described. Etherifications of iso-olefins is conducted in the presence of excess methanol. Unreacted methanol is passed to a fixed, fluid or...	08/08/1989
4855524	Process for combining the operation of oligomerization reactors containing a zeolite oligomerization catalyst A process is disclosed for combining the operation of (i) a primary reactor (referred to as a "MOG" reactor), in which an olefin-containing light gas or light naphtha is oligomerized to gasoline range hydrocarbons, and, (ii) a high pressure secondary reac...	08/08/1989
4855521	Fluidized bed process for upgrading diene-containing light olefins An improved fluidized bed process for upgrading olefinic hydrocarbon feedstock by contacting the feedstock with acidic siliceous zeolite conversion catalyst particles at elevated temperature under exothermic conditions to produce heavier hydrocarbons incl...	08/08/1989
4851606	Control of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion process In a process for converting C1 to C4 oxygenates to hydrocarbons by contacting the oxygenates with a crystalline zeolite conversion catalyst and wherein a byproduct water effluent stream is produced, the improvement which comprises, r...	07/25/1989
4851602	Alkanes and alkenes conversion to high octane gasoline Method and means are described for the conversion of lower molecular weight paraffins and olefins to high octane gasoline rich in alkylated aromatics. In a two stage process catalyzed by metallosilicate, crystalline, shape selective zeolite comprising a h...	07/25/1989
4849186	Production of middle distillate range hydrocarbons by light olefin upgrading An oligomerization system is provided for upgrading lower olefins to distillate hydrocarbons, especially useful as high quality jet or diesel fuels. Thye olefinic feedstock is reacted over a shape selective acid zeolite, such as ZSM-5, to oligomerize feed...	07/18/1989
4840928	Conversion of alkanes to alkylenes in an external catalyst cooler for the regenerator of a FCC unit Lower alkanes are converted to olefins in a `third bed` external catalyst cooler (ECC) in which hot catalyst, from the regenerator (`second bed`) operating in conjunction with a fluid catalytic cracker (`first bed`), thermally cracks and dehydrogenates th...	06/20/1989
4835329	Process for producing high octane gasoline An integrated process for the production of alkylate and etherate rich high octane gasoline streams comprising the etherification to produce MTBE and TAME in the presence of a high stoichiometric excess of methanol followed by the conversion of unreacted ...	05/30/1989
4832920	Olefin fractionation and catalytic conversion system A continuous catalytic system for converting an olefinic feedstock comprising ethylene and C3+ olefins to heavier liquid hydrocarbon product comprising apparatus for (a) prefractionating the olefinic feedstock to obtain a gaseous stream ...	05/23/1989
4832919	Olefin fractionation and catalytic conversion system with heat exchange means A heat balanced system for converting an olefinic feedstock comprising ethylene and C3+ olefins to heavier liquid hydrocarbon product in a catalytic exothermic process. Means are provided for prefractionating the olefinic feedstock t...	05/23/1989
4831195	Production of ethers from methanol Processes and apparatus for converting methanol or the like to intermediate olefins and etherification products, such as methyl t-butyl ether by extracting crude methanol feedstock with an olefinic liquid hydrocarbon stream containing C4 + iso-...	05/16/1989
4831204	Production of gasoline from light olefins with FCC gas plant improvement by olefin upgrading A continuous technique for upgrading light olefinic crackate gas from hydrocarbon cracking comprising methods and means for: (a) compressing and cooling a first portion of the light crackate gas to provide a first pressurized ethene-rich vapor stream and ...	05/16/1989
4830635	Production of liquid hydrocarbon and ether mixtures An etherification process for reacting a hydrocarbon mixture containing C4 -C7 iso-olefins with excess methanol to produce tertiary alkyl methyl ethers. The improved technique comprises operations for separating etherification reacti...	05/16/1989
4831205	Catalytic conversion of light olefinic feedstocks in a FCC plant The separation and recovery of liquid hydrocarbons in a FCC gas plant is removed by integrating therewith an oligomerization reactor which produces liquid hydrocarbons from one of several olefinic streams within the gas plant....	05/16/1989
4831203	Integrated production of gasoline from light olefins in a fluid cracking process plant Separation and recovery of liquid hydrocarbons in a FCC gas plant is improved by integrating therewith a catalytic bed oligomerization reactor which produces predominantly olefinic liquid hydrocarbons from at least one olefinic stream within the gas plant...	05/16/1989
4826507	Integrated etherification and oxygenates to gasoline process An integrated once through process for the production of ether-rich liquid fuels containing MTBE and TAME by etherifying a hydrocarbon feedstock containing C4 + isoalkenes in the presence of a high stoichiometric excess of lower alkyl alcohol. ...	05/02/1989
4827073	Process for manufacturing olefinic oligomers having lubricating properties A process for oligomerizing alpha olefin to produce lubricant range hydrocarbon stock including the step of contacting said alpha olefin with a supported solid reduced Group VIB (e.g., chromium) catalyst under oligomerization conditions at a temperature o...	05/02/1989
4827064	High viscosity index synthetic lubricant compositions Novel lubricant compositions comprising polyalphaolefins are disclosed having high viscosity indices with low pour point. The compositions are characterized by a uniform molecular structure with low branch ratios. The invention describes a liquid lubrican...	05/02/1989
4827069	Upgrading light olefin fuel gas and catalytic reformate in a turbulent fluidized bed catalyst reactor A fluidized bed catalytic process for conversion of light olefinic gas feedstock containing ethene and propene to produce C5+ hydrocarbons and for the conversion of catalytic reformate feedstock to produce C7 -C11	05/02/1989
4827046	Extraction of crude methanol and conversion of raffinate An improved process for reacting crude aqueous methanol feedstock with tertiary-olefinic hydrocarbons to produce C5+ methyl tertiary-alkyl ethers, which comprises: contacting the aqueous methanol feedstock with a liquid hydrocarbon ...	05/02/1989
4827045	Etherification of extracted crude methanol and conversion of raffinate An improved process for reacting crude aqueous methanol feedstock with iso-olefinic hydrocarbons to produce C5+ methyl tertiary-alkly ethers, which comprises: contacting the aqueous methanol feedstock with a liquid hydrocarbon extra...	05/02/1989
4826662	Apparatus for feeding an MTG conversion reactor Apparatus for reducing the amount of water in the feed to a methanol-to-gasoline (MTG) conversion reactor is described. The output products of a dehydration reactor and an aqueous methanol feed are supplied to a primary distillation tower or separator. A ...	05/02/1989
4822477	Integrated process for gasoline production An improvement in gasoline octane without substantial decrease in overall yield is obtained in an integrated process combining a fluidized catalytic cracking reaction and a fluidized catalyst olefin oligomerization reaction when crystalline medium pore sh...	04/18/1989
4822939	Process for the conversion of lower aliphatic oxygenates to olefins and aromatics with gallium containing ZSM-5 catalyst C2 -C5 olefins and aromatics are prepared by catalytic conversion of lower aliphatic C1 -C4 oxygenates in the presence of a medium pore gallium containing zeolite catalyst having a ZSM-5 framework at elevated co...	04/18/1989
4820877	Etherification process improvement An improved etherification process is described for the manufacture of methyl tertiary alkyl ethers such as methyl tertiary butyl ether and methyl tertiary amyl ether. In one embodiment etherification is conducted in the presence of a large excess of meth...	04/11/1989
4814535	Conversion of oxygenates to gasoline at variable inlet temperature A catalytic conversion process for reacting lower aliphatic C1 -C4 oxygenates, such as methanol, to produce gasoline boiling range hydrocarbons. Improved cycle average gasoline yield is sustained without a substantial reduction in cy...	03/21/1989
4814536	Conversion of oxygenates to gasoline at variable space velocity An improved MTG process for converting lower aliphatic C1 -C4 oxygenates, such as methanol, to gasoline boiling range hydrocarbons is disclosed which is capable of obtaining improved cycle average gasoline yields and improved catalys...	03/21/1989
4808764	Methanol-gas saturator for catalytic conversion system A process for introducing a exothermic reactant vapor stream to an adiabatic catalyst zone comprising the steps of: preheating a volatile liquid exothermic reactant stream below its autogenous temperature under process pressure; contacting the preheated l...	02/28/1989
4789528	Technique for sequential rotation of reactors in a multi-reactor catalytic conversion system A multi-reactor hydrocarbon catalytic conversion system includes at least three reactors, a feed source for providing hydrocarbon feed to the reactors and apparatus for sequentially backwardly rotating the reactors during process mode operation of the rea...	12/06/1988
4788375	Olefin conversion to lubricant range hydrocarbons An improved process for the production of a high viscosity index lubricant range oil in high yield by contacting light olefins under oligomerizing conditions with a zeolite type catalyst, such as ZSM-5, which has been extracted with a metal chelating agen...	11/29/1988
4788369	Conversion of methanol to gasoline A methanol-to-gasoline (MTG type) conversion process in which the conversion is conducted in a fixed bed catalytic reactor. A C3 -C4 hydrocarbon diluent is generated from the effluent in a series of steps and recycled to the fixed be...	11/29/1988
4788366	Production of heavier hydrocarbons from light olefins in multistage catalytic reactors A multi-stage catalytic olefin upgrading technique for converting lower olefinic feedstock to heavier liquid hydrocarbon product. The invention provides a fluid bed continuous primary stage reaction zone with shape selective medium pore zeolite oligomeriz...	11/29/1988
4788365	High octane gasoline and distillates from oxygenates An integrated process for the conversion of methanol to high octane gasoline and distillate. Methanol is converted to olefins in the presence of zeolite type catalyst. C4 and C5 olefin fraction is converted to MTBE and TAME in the pr...	11/29/1988
4788042	System for conversion of methanol to gasoline A methanol-to-gasoline (MTG) catalytic conversion system in which the conversion is conducted in a fixed bed catalytic reactor. A C3 -C4 hydrocarbon diluent is generated from pressurized liquid effluent and recycled to the fixed bed ...	11/29/1988
4788374	Zeolite catalysis A surface-inactive shape selective metallosilicate catalyst, useful for the conversion of lower molecular weight olefins to liquid hydrocarbons such as gasoline, distillate, and high viscosity lube oils, is prepared by a process comprising forming a silic...	11/29/1988
4778661	Upgrading diene-containing light olefins in a fluidized bed reactor An improved fluidized bed process for upgrading olefinic hydrocarbon feedstock by contacting the feedstock with acidic siliceous zeolite conversion catalyst particles at elevated temperature under exothermic conditions to produce heavier hydrocarbons incl...	10/18/1988
4777316	Manufacture of distillate hydrocarbons from light olefins in staged reactors A semi-continuous multi-stage catalytic technique for converting lower olefinic feedstock to heavier liquid hydrocarbon product. The invention provides methods and means for: (a) contacting alkene-rich feedstock at high space velocity elevated temperature...	10/11/1988

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Attorney: Wise; L. G.