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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Wu; An-hsiang
Address:
Bartlesville, OK
No. of patents:
145
Patents:


1 2 3










Patent Number Title Of Patent Date Issued
6784332 Processes employing hydrocarbon conversion catalyst August 31, 2004
A hydrocarbon conversion process comprising contacting a hydrocarbon stream such as, for example, gasoline, with a catalyst composition to effect the conversion of the hydrocarbon to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes. The catalyst compositio
6627780 Catalyst composition and processes therefor and therewith September 30, 2003
A catalyst composition and a process for hydrodealkylating a C.sub.9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises an alumina, a metal oxide, a phosphorus oxide a
6593503 Process for making aromatic hydrocarbons using an acid treated zeolite July 15, 2003
A catalyst composition and a process for converting a hydrocarbon stream such as, for example, gasoline to C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition includes an alumina, a silica, and a metal wherein the weight ratio of
6528450 Catalyst composition and processes therefor and therewith March 4, 2003
A catalyst composition and a process for hydrodealkylating a C.sub.9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises an alumina, a metal oxide, and a coke suppressor
6514896 Catalyst composition and a process of using thereof February 4, 2003
A process for making an improved zeolite catalyst composition comprising acid-treating a zeolite to provide an acid-treated zeolite, ion-exchanging the ions of such acid-treated zeolite with ions of zinc and at least one other metal in the presence of an ion-exchange medium, and then tre
6509289 Hydrodealkylation process and catalyst composition January 21, 2003
A catalyst composition and a process for hydrodealkylating a C.sub.9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises an alumina, a metal oxide, a phosphorus oxide a
6489528 Aromatics production from oxygenated hydrocarbons December 3, 2002
A catalyst system comprising a first solid material comprising a silicoaluminophosphate and a second solid material comprising a zeolite and a compound containing zinc and a metal selected from the group consisting of Group IIIA and Group VIB, and a method of preparing such catalyst
6472569 Silicoaluminophosphate material, a method of making such improved material and the use thereof i October 29, 2002
A catalyst system comprising a silicoaluminophosphate impregnated with a compound selected from the group consisting of phosphoric acid, boric acid, tributyltin acetate, and combinations of any two or more thereof, and a method of preparing such catalyst system, are disclosed. The th
6437210 Mazzite supported catalyst August 20, 2002
A catalyst, method for preparing the catalyst, and method for using the catalyst having improved conversion and/or selectivity in the dehydrogenation of hydrocarbons. The catalyst being prepared by modifying and impregnating a mazzite zeolite. Modification of the original mazzite zeo
6436863 Hydrocarbon hydrogenation catalyst and process August 20, 2002
A catalyst composition and process for preparing such catalyst composition which can be useful in contacting a hydrocarbon-containing fluid which contains a highly unsaturated hydrocarbon such as 1,3-butadiene, in the presence of hydrogen, with such catalyst composition in a hydrogenatio
6433241 Zeolite-based catalyst material, the preparation thereof and the use thereof for the selective d August 13, 2002
A process in which a hydrocarbon feedstock containing n-butane is selectively dehydrogenated to a product containing butenes. A catalyst suitable for the selective dehydrogenation of a feedstock containing n-butane to provide a product containing butenes. A method for producing a cat
6420295 Hydrocarbon conversion catalyst composition and process therefor and therewith July 16, 2002
A catalyst composition, a process for producing the catalyst composition, and a hydroconversion process for converting a fluid stream comprising at least one saturated hydrocarbon to C.sub.6 to C.sub.8 aromatic hydrocarbons such as benzene, toluene, and xylenes are disclosed. The cat
6372680 Catalyst system for converting oxygenated hydrocarbons to aromatics April 16, 2002
A catalyst system comprising a first solid material comprising a silicoaluminophosphate and a second solid material comprising a zeolite and a compound containing zinc and a metal selected from the group consisting of Group IIIA and Group VIB, and a method of preparing such catalyst
6300270 Method of making a zeolite material October 9, 2001
A catalyst composition prepared by a method which comprises incorporating at least one transition metal into a calcined zeolite-silica material, calcining the resulting transition metal-incorporated calcined zeolite-silica material and contacting the resulting calcined transition met
6255243 Process for producing Hydrocarbon conversion catalyst composition July 3, 2001
A catalyst composition, a process for producing the composition, and a hydrotreating process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition
6235954 Hydrocarbon hydrogenation catalyst and process May 22, 2001
A catalyst composition and process for preparing such catalyst composition which can be useful in contacting a hydrocarbon-containing fluid which contains a highly unsaturated hydrocarbon such as 1,3-butadiene, in the presence of hydrogen, with such catalyst composition in a hydrogenatio
6228789 Silylated water vapor treated zinc or gallium promoted zeolite and use thereof for the conversio May 8, 2001
A hydrocarbon conversion process in which the rate of coke formation is reduced without a significant sacrifice in light olefin and BTX yield by the use of a silylated, stabilized metal promoted zeolite catalyst. Another embodiment includes a novel silylated spinel/zeolite catalyst.
6218328 Method of preparing a zeolite based catalyst material April 17, 2001
A process in which a hydrocarbon feedstock containing n-butane is selectively dehydrogenated to a product containing butenes; a catalyst suitable for the selective dehydrogenation of a feedstock containing n-butane to provide a product containing butenes and a method for producing a
6198012 Method for converting n-butane to butenes and BTX March 6, 2001
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-xylene) and greater selectivity
6191064 Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons February 20, 2001
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-xylene) and greater selectivity
6187984 Dehydrogenation of n-butane to butenes February 13, 2001
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-xylene) and greater selectivity
6175048 Hydrocarbon conversion catalyst composition and processes therefor and therewith January 16, 2001
A catalyst composition and a process for using of the catalyst composition in a hydrocarbon conversion process are disclosed. The composition comprises an inorganic support, a Group VA metal or metal oxide, and optionally a Group IVA metal or metal oxide and a Group VIII metal or met
6172273 Method for converting hydrocarbons to aromatics using a hybrid catalyst system January 9, 2001
A composition is prepared by a method which comprises mixing a first solid material comprising a platinum group metal, a rhenium component, a porous carrier material and, optionally, a halogen component and a second solid material comprising silica and bismuth. The thus-obtained composit
6162353 Process and catalyst for upgrading liquid hydrocarbons December 19, 2000
An improved process and novel catalyst for upgrading catalytically cracked liquid hydrocarbons whereby the hydrodesulfurization and liquid yield of the hydrocarbons are enhanced while the octane number thereof is substantially maintained. The process basically comprises contacting the
6162352 Gasoline upgrade December 19, 2000
A catalyst composition containing a sulfided mixture of a zinc spinel, a zeolite, alumina, cobalt and molybdenum, and a method of preparing such catalyst composition, are disclosed. The thus-obtained catalyst composition is employed as a catalyst in the hydrodesulfurization of a hydr
6156689 Catalyst composition comprising zinc compound or boron compound and hydrocarbon conversion proce December 5, 2000
A catalyst composition, a process for producing the composition, and a hydrocarbon conversion process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst co
6133494 Catalyst composition comprising acid-base leached zeolites October 17, 2000
A catalyst composition and a process for hydrodealkylating C.sub.9 + aromatic compounds such as, for example, trimethylbenzenes, to C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The composition comprises an alumina and a silica wherein the weight rat
6133192 Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons October 17, 2000
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-xylene) and greater selectivity
6126812 Gasoline upgrade with split feed October 3, 2000
A method for optimizing the yield of aromatics and light olefins in a process for the conversion of cracked gasoline to aromatics and light olefins by separating the cracked gasoline into a light fraction and a heavy fraction and contacting the light fraction with a zeolite catalyst.
6124516 Catalyst composition and processes therefor and therewith September 26, 2000
A process for isomerizing hydrocarbons is disclosed. The process includes contacting, under reaction conditions, a hydrocarbon-containing fluid containing a saturated hydrocarbon, preferably a normal paraffin containing in the range of from about 4 carbon atoms to about 10 carbon ato
6124515 Catalytic conversion of a saturated hydrocarbon to an aromatic hydrocarbon September 26, 2000
A catalyst composition, a process for producing the catalyst composition, and a hydroconversion process for converting a fluid stream comprising at least one saturated hydrocarbon to C.sub.6 to C.sub.8 aromatic hydrocarbons such as benzene, toluene, and xylenes are disclosed. The cat
6124228 Mazzite supported catalyst September 26, 2000
A catalyst, method for preparing the catalyst, and method for using the catalyst having improved conversion and/or selectivity in the dehydrogenation of hydrocarbons. The catalyst being prepared by modifying and impregnating a mazzite zeolite. Modification of the original mazzite zeo
6114268 Catalyst composition and processes therefor and therewith September 5, 2000
A catalyst composition and a process for hydrodealkylating a C.sub.9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises a zeolite, a metal oxide, and an activity modif
6110859 Hybrid catalyst system for converting hydrocarbons and a method of making and using such catalys August 29, 2000
A catalyst system comprising a first solid material comprising activated carbon and at least one carburized transition metal; and a second solid material comprising at least one halogen component and alumina, and a method of preparing such catalyst system which comprises mixing a first
6107534 Method of making an improved catalyst containing an acid-treated zeolite, a boron component, and August 22, 2000
An improved zeolite catalyst containing an acid-treated zeolite, a boron component and a zinc component manufactured by a novel method having certain process steps necessary for providing the improved zeolite catalyst. The process steps include a first steam treatment of an acid-trea
6093671 Carbided hydrocarbon conversion catalyst composition and processes therefor and therewith July 25, 2000
A composition, a process for producing the composition, and a hydrotreating process are disclosed. The composition comprises a zeolite having incorporated therein a promoter comprising at least two carburized metals. The composition can be produced by incorporating at least two metal
6090992 Isomerization catalyst system, method of making and method of using such catalyst system in the July 18, 2000
A catalyst system comprising alumina, at least one carburized transition metal, and at least one halogen component, and a method of preparing such catalyst system which comprises incorporating at least one transition metal compound into alumina thereby forming a transition metal-alumina
6090274 Hydrotreating catalyst composition and processes therefor and therewith July 18, 2000
A nitrided calcined modified zeolite composition having incorporated therein a molybdenum promoter and a co-promoter. A carburized nitrided calcined modified zeolite composition having incorporated therein a molybdenum promoter and a co-promoter. Producing the composition by incorpor
6090272 Process for converting a cracked gasoline using a zeolite-based catalyst material July 18, 2000
A process for producing catalyst compositions for converting a cracked gasoline feedstock to a product comprising incremental aromatics and lower olefins. The catalyst compositions produced thereby. A process for converting a cracked gasoline feedstock to a product comprising increme
6084145 Dehydrogenation catalyst and dehydrogenation process using said catalyst July 4, 2000
A dehydrogenation catalyst is produced by a process comprising the steps of: mixing an L-zeolite, chromium(VI) oxide, a binder, and an acid to form a mixture; and calcining the mixture at a temperature of about 200-800.degree. C. A paraffin having 2-7 carbon atoms per molecule can be
6083867 Hybrid catalyst system for converting hydrocarbons and a method of making and using such catalys July 4, 2000
A composition is prepared by a method which comprises mixing a first solid material comprising a platinum group metal, a rhenium component, a porous carrier material and, optionally, a halogen component and a second solid material comprising silica and bismuth. The thus-obtained composit
6083865 Hydrocarbon conversion catalyst composition and processes therefor and therewith July 4, 2000
A catalyst composition, a process for producing the composition, and a hydrotreating process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition
6080901 Zeolite based catalyst containing zinc, boron and phosphorus and method of making such zeolite b June 27, 2000
A novel composition including either a zeolite or an acid leached zeolite containing boron, zinc and phosphorus, used in the conversion of hydrocarbons. The novel composition is prepared by a novel method including incorporating into a zeolite or an acid treated zeolite material, pre
6080697 Process for making a composition that is useful for converting lower value aromatics to higher v June 27, 2000
A process to produce a composition is provided. Said process comprises: contacting a zeolite component, a silicon component, a Group 14 metal component, and a phosphorus component together to form a first mixture; treating said first mixture to form a second mixture; contacting said
6077984 Process for making zeolite containing zinc borate composition, the composition and the use there June 20, 2000
A novel zeolite catalyst composition comprising a mixture of a zeolite, a binder, and a zinc borate compound wherein such mixture is calcined or treated with steam. Preferably, the zeolite has not been treated with an acid. Also provided is a process of making such composition, a product
6069286 Hydrocarbon conversion process employing promoted zeolite catalyst May 30, 2000
A catalyst composition and a hydrocarbon conversion process are disclosed. The composition comprises a zeolite and a Group VIII metal. The process comprises contacting a fluid which comprises a hydrocarbon such as fuel oil and optionally a sulfur compound with the catalyst composition un
6066770 Selectivated zeolitic hydrocarbon conversion catalyst May 23, 2000
A catalyst, method for preparing the catalyst, and method for using the catalyst having improved para-selectivity in the conversion of alkyl-substituted benzene to para-dialkyl-substituted benzene. The catalyst being prepared by calcining a starting zeolite material, selectivating th
6063975 Hydrocarbon conversion catalyst composition and processes therefor and therewith May 16, 2000
A catalyst composition, a process for producing the composition, and a hydrotreating process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition
6063974 Silylated water vapor treated zinc or gallium promoted zeolite and use thereof for the conversio May 16, 2000
A hydrocarbon conversion process in which the rate of coke formation is reduced without a significant sacrifice in light olefin and BTX yield by the use of a silylated, stabilized metal promoted zeolite catalyst. Another embodiment includes a novel silylated spinel/zeolite catalyst.
6063722 Process for making a composition that is useful for converting lower value aromatics to higher v May 16, 2000
A process to produce a composition is provided. Said process comprises: contacting a zeolite component and selectivation component to form a first mixture; followed by treating said first mixture to form a second mixture; followed by contacting said second mixture with a binder component
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