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| Number | Title | Issue Date |
| 6482999 | Method for improving light olefin selectivity in an oxygenate conversion reaction A method for converting oxygenates to light olefins. The method comprises contacting, in a reactor, a feedstock comprising oxygenates with a molecular sieve catalyst under conditions effective to convert the feedstock to a product including light olefins ... | 11/19/2002 |
| 6093865 | Production of alkenyl bridged ring compounds The present invention relates to a method for using a single distillation column to recover the reactants and products from the reaction of a cyclic diolefin and an olefin to produce an alkenyl bridged ring compound.... | 07/25/2000 |
| 5868922 | Analyzer system for strippable hydrocarbon on FCC catalyst A FCC process in which spent catalyst is stripped of hydrocarbon in a stripping zone prior to entering the regenerator. In order to maximize the amount of strippable hydrocarbon removed in the stripping zone with minimal use of stripping gas, a sample of ... | 02/09/1999 |
| 5863417 | Method for analyzing for strippable hydrocarbon on FCC catalyst A FCC process in which spent catalyst is stripped of hydrocarbon in a stripping zone prior to entering the regenerator. In order to maximize the amount of strippable hydrocarbon removed in the stripping zone, a sample of spent catalyst is removed prior to... | 01/26/1999 |
| 5569804 | Method to recover cyclic diolefin monomer from its dimer in the production of alkenyl bridged ring compounds The present invention relates to a method for using a single distillation column to recover the reactants and products from the reaction of a cyclic diolefin and an olefin to produce an alkenyl bridged ring compound.... | 10/29/1996 |
| 5276235 | Residual stream upgrading in a propylene oxide-styrene monomer process In the co-production of propylene oxide and styrene monomer, there is produced a sodium-containing heavy residue stream previously suitable only as a low grade fuel. In accordance with the invention, the heavy residue stream is contacted with acid having ... | 01/04/1994 |
| 5210354 | Propylene oxide-styrene monomer process In the co-production oxide and styrene monomer, there is produced a sodium-containing heavy residue stream previously suitable only as a low grade fuel. In accordance with the invention, the heavy residue stream is contacted with aqueous acid, and the res... | 05/11/1993 |
| 4801762 | Methane conversion process In an improved method for converting methane to at least one higher hydrocarbon product and coproduct water which comprises contacting a gas comprising methane and at least one added gaseous oxidant with nonacidic solid, the improvement comprising conduct... | 01/31/1989 |
| 4788372 | Methane conversion process In a method for converting methane into higher hydrocarbon products and coproduct water which comprises contacting a gas comprising methane and a contact solid comprising at least one reducible metal oxide in the substantial absence of added gaseous oxida... | 11/29/1988 |
| 4211886 | Manufacture of benzene, toluene and xylene Benzene, toluene and xylene are produced in high yield from aromatic naphtha by a processing technique which combines (1) high temperature isomerization of eight carbon atom aromatics over a catalyst having relatively low activity and constrained access t... | 07/08/1980 |
| 4166077 | Method of production of ethane by selective hydrogenolysis of alkane Ethane is produced from alkanes by introducing a mixture of hydrogen and alkanes into a reactor at a spatial velocity V and a total pressure P on a catalyst at the temperature T. The catalyst is constituted by at least one metal selected from iridium and ... | 08/28/1979 |
| 4150239 | Process for producing 1,4-glycol diester A process for producing 1,4-glycol diester from unsaturated glycol diesters prepared by reacting butadiene, acetic acid and oxygen or an oxygen-containing gas in the presence of a palladium catalyst or, from saturated glycol diesters prepared by hydrogena... | 04/17/1979 |
| 4117020 | Method of producing valuable alkylated aromatic hydrocarbons from tar Valuable alkylated aromatic hydrocarbons are produced from a tar comprising that fraction of an alkylation reaction product distilling above about 240° C by a method comprising contacting the tar with benzene and/or toluene in the presence of a catalytic... | 09/26/1978 |
| 4117025 | Process for purifying diolefin A process for the separation of a diolefin from a mixture thereof with other hydrocarbons having boiling points close to that of the diolefin, comprising subjecting the mixture of hydrocarbons to reaction conditions which will dimerize the diolefin, separ... | 09/26/1978 |
| 4101597 | Recovery of p-xylene and benzene from eight carbon atom aromatic fractions Recovery of valuable components from eight carbon atom (C8) aromatic fractions is enhanced by high temperature processing of C9+ aromatics produced by side reactions during isomerization of a C8 aromatics fracti... | 07/18/1978 |
| 4086286 | Isomerization of tetrahydropolycyclopentadienes to a missile fuel additive Mixed tetrahydropolycyclopentadienes are isomerized in the presence of anhydrous aluminum trichloride to form an additive suitable for use with a high energy missile fuel. The amount of aluminum trichloride present is such that the weight ratio of trichlo... | 04/25/1978 |
| 4086284 | Isomerization of endo-tetrahydrodicyclopentadiene to a missile fuel diluent Endo-tetrahydrodicyclopentadiene is isomerized to its exo-isomer in the presence of aluminum trichloride at a temperature in the range between from about -° C to about 90° C. The mole ratio of AlCl3 to the tetrahydrodiene is in the range betw... | 04/25/1978 |
| 4041098 | Method for the oligomerization of alpha-olefins 1. A method of oligomerizing straight chain alpha olefins having at least 3 carbon atoms comprising, generating in situ a soluble catalyst system by simultaneously adding with stirring to a reactor having an inert atmosphere and a temperature up to 200° ... | 08/09/1977 |
| 4039600 | Conversion of synthesis gas to aromatic hydrocarbons Synthesis gas, a mixture comprising carbon monoxide and hydrogen, is converted to a product comprising methanol and unreacted carbon monoxide, possibly with hydrogen; the mixture is partially converted by carbonylation to a mixture comprising acetic acid,... | 08/02/1977 |
| 4039584 | Catalytic cleavage of isobutyraldehyde Isobutyraldehyde is cleaved to form propylene, carbon monoxide and hydrogen over a supported rhodium and/or platinum catalyst at a temperature of 200° to 400° C and a pressure of 0.1 to 20 atmospheres. Preferably the isobutyraldehyde is obtained from th... | 08/02/1977 |
| 4025577 | Hydroalkylation of paraffins with olefins utilizing hydrogen fluoride and metal pentafluoride catalyst High octane alkylates are prepared by selectively alkylating paraffinic hydrocarbons with a hydrocarbon selected from the group consisting of paraffins and olefins at alkylation conditions in the presence of hydrogen and of a catalyst comprising (a) one o... | 05/24/1977 |
| 4009219 | Total synthesis of benzene from non-hydrocarbon materials A method of producing benzene on a high yield basis is disclosed in which non-hdyrocarbon carbonaceous raw materials are reacted with an alkali metal or an alkaline earth metal in the form of molten metal, metallic hydroxide or metallic oxide to produce t... | 02/22/1977 |
| 3992474 | Motor fuel production with fluid catalytic cracking of high-boiling alkylate High octane number motor fuel is produced by alkylating isobutane with an olefin to produce an alkylate separable into distinct low octane and high octane fractions, charging the low octane fraction to a fluidized catalytic cracking unit to generate more ... | 11/16/1976 |
| 3972958 | Conversion of coal to high octane gasoline An integrated process for converting coal to high octane gasoline by gasifying the coal in such manner as to form a gas comprising carbon oxides, hydrogen and methane; contacting this gas in one or a series of steps with one or a series of catalysts, resp... | 08/03/1976 |
