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Patent Searching and Data


Matches 551 - 600 out of 2,390

Document Document Title
WO/1999/005081A1
A hydrocarbon conversion process comprises: 1) contacting a hydrocarbon feed such as, for example, gasoline in reactor (10), with a catalyst under sufficient conditions to effect the conversion of the hydrocarbon to a product stream comp...  
WO/1999/003950A1
An aromatization process for converting a portion of a cracked gasoline feedstock to aromatics utilizing a catalyst comprising an acid leached zeolite and tin under process conditions suitable for converting a portion of the craked gasol...  
WO/1999/002016A1
An apparatus and method for the processing of a material (52) in a sealed rotating drum (10) by exposing the material (52) to a source of microwave energy (30), while the material is moving through the drum (10). The material (52) is mov...  
WO/1998/057744A1
A novel zeolite catalyst comprising a silicon impregnated calcined mixture of an acid treated zeolite and zinc, a method of making such zeolite catalyst, and use thereof for converting paraffin hydrocarbons to olefins and aromatics with ...  
WO/1998/058041A1
A full boiling hydrocarbon feed is reformed to enhance para-xylene and benzene yields. First, the hydrocarbon feed is separated into a C�5-? cut, a C�6?-C�7? cut, and a C�8+? cut. The C�6?-C�7? cut has less than 5 lv. % of Cï...  
WO/1998/055431A1
A catalyst composition and a process for converting a hydrocarbon stream such as, for example, gasoline to olefins and C�6? to C�8? aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition comprises a...  
WO/1998/054092A1
This invention relates to a process for producing zeolite-bound FAU structure type zeolite having good mechanical strength and containing reduced amounts of zeolite P and the use of the zeolite-bound FAU structure type zeolites produced ...  
WO/1998/054091A1
The invention relates to a microporous crystalline material of zeolite nature and known as ITQ-3 to the process for preparing such material and its utilization in processes of separation and transformation of organic compounds. In a calc...  
WO/1998/051648A1
A process for the alkylation of benzene contained in a mixed refinery stream is disclosed wherein the refinery stream (2) is first subjected to hydrogenation (14) of higher olefins prior to alkylation (12) to the benzene with selected ty...  
WO/1998/051409A1
A novel zeolite catalyst comprising an acid treated zeolite impregnated with zinc and at least one other metal selected from the group consisting of Group 4B, Group 6B, Group 3A, Group 4A and Group 5A of the periodic table of elements, a...  
WO/1998/050336A1
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 for...  
WO/1998/050496A1
A catalyst composition and a process for converting a hydrocarbon stream such as, for example, gasoline to olefins and C�6? to C�8? aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition comprises a...  
WO/1998/047983A1
A process for reforming naphtha-containing hydrocarbon feedstreams is disclosed wherein a naphtha stream containing at least about 5 wt.% of C�9??+� aromatics, at least about 25 wt.% C�5? to C�9? aliphatic hydrocarbons and greate...  
WO/1998/047615A1
The invention provides a crystalline type L zeolite reforming catalyst comprising cylindrically shaped crystals having a length of 0.6 microns or less and an average length:diameter ratio of less than about 0.5, the catalyst containing a...  
WO/1998/044076A1
A method for reducing the content of benzene in a gasoline base which enables hydrisomerization of benzene in a gasoline base without separating the same and is reduced in the content of degradation products having four or less carbon at...  
WO/1998/039095A1
The invention concerns the application of a method for regenerating catalysts or adsorbents, consisting in causing the catalyst particles to rise in a vibrating helical elevator (12), said particles being subjected to a temperature profi...  
WO/1998/038265A1
Hydrocarbon feeds are upgraded by contact of the stream under hydrodesulfurization (HDS) conditions with a catalyst system comprising a sulfided, transition metal promoted tungsten/molybdenum HDS catalyst, e.g., Ni/Co-Mo/A1�2?O�3? an...  
WO/1998/036037A1
A process for reforming naphtha-containing hydrocarbon feedstreams is disclosed wherein a naphtha stream containing at least about 25 wt.% of C�5? to C�9? aliphatic and cycloaliphatic hydrocarbons is contacted with a modified reformi...  
WO/1998/033587A1
A heat exchanger is formed of two plates or stages (4 and 6), the stage (4) being on top of the stage (6) and a plurality of such heat exchangers being stacked one on another. The stage (4) has an inlet opening (14), an inlet passage (28...  
WO/1998/031462A1
An ion exchange method is provided for loading and uniformly distributing noble metals into a catalyst substrate comprising a zeolite to make a monofunctional, non-acidic reforming catalyst. The catalyst substrate is contacted with an aq...  
WO/1998/030657A1
A catalytic reforming process using a halided zeolite catalyst containing platinum in a metal-coated reactor system where, prior to catalyst loading and reforming, halide acid is removed from the catalyst. The process comprises providing...  
WO/1998/030656A1
A method of removing reactive metal from a metal-coated reactor system, comprising contacting at least a portion of a metal-coated reactor system containing reactive metal with a getter to produce movable metal, and fixating the movable ...  
WO/1998/029337A1
The present invention relates to new crystalline zeolite SSZ-47 prepared using a bicyclo ammonium cation templating agent.  
WO/1998/029336A1
The present invention relates to new crystalline zeolite SSZ-48 prepared using a decahydroquinolinium cation templating agent.  
WO/1998/029338A1
The present invention relates to new crystalline zeolite SSZ-45 prepared using an N-substituted DABCO cation templating agent.  
WO/1998/022213A1
The invention concerns a NU-86 zeolite, containing silicon, and at least one element T selected from the group formed by aluminium, iron, gallium and boron, preferably aluminium, characterised in that the element T has been extracted fro...  
WO/1998/019792A1
Hydroconversion of paraffin containing hydrocarbon feeds is effected over a supported Group VIII and Group VI metal containing catalyst also containng a hydrocracking suppressant such as a Group IB metal, wherein the catalyst is preferab...  
WO/1998/016468A1
A process for converting hydrocarbons by contacting a hydrocarbon feedstream under hydrocarbon conversion conditions with a large crystal zeolite catalyst. The large crystal zeolite of the catalyst used in the hydrocarbon conversion proc...  
WO/1998/011983A1
The proposed method comprises passing the hydrodynamic flow of liquid hydrocarbons through a flow-through passage accommodating a baffle body providing for a local constriction of the flow; establishing the local flow constriction on at ...  
WO/1998/009928A2
In a process for the alkylation of an aromatic compound contained in a hydrocarbon stream, the said hydrocarbon stream is treated to remove first all aromatic compounds but one and then treated to remove all olefinic compounds. The proce...  
WO/1998/007514A1
The present invention relates to a catalyst and a method for converting aliphatic C�2?-C�12? hydrocarbons into high-octane petrol and into aromatic hydrocarbons. The high-octane petrol and a concentrate of aliphatic hydrocarbons may ...  
WO/1998/003453A1
A layered composition of matter, MCM-56, has an X-ray diffraction including the lines listed in Table (II) and has been selectively modified so that the ratio of the number of active acid sites at its external surface to the number of in...  
WO/1997/046636A1
A shape-selective catalyst comprises a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element, such as aluminum, boron, iron a...  
WO/1997/045197A1
There is provided a zeolite bound zeolite catalyst which does not contain significant amounts of non-zeolitic binder and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The catalyst comprises first zeo...  
WO/1997/045196A1
There are provided catalysts and conversion processes for converting hydrocarbons using the catalysts. The catalysts comprise a first alumino-phospho-molecular sieves and a binder comprising a second alumino-phospho-molecular sieves. Exe...  
WO/1997/045198A1
There is provided a zeolite bound zeolite catalyst which can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises a f...  
WO/1997/029841A2
This invention relates to a process of catalytic hydroconversion of a heavy hydrocarbon oil containing a substantial portion of components having an atmospheric boiling point above 565 �C to give a product hydrocarbon oil containing co...  
WO/1997/028235A1
A hydrocarbon conversion process wherein austenitic stainless steel portions that are subject to halide stress-corrosion cracking conditions, such as the colder portions of the process equipment including effluent coolers, knockout drums...  
WO/1997/021787A1
Discloses high purity solvent compositions constituted of n-paraffins and isoparaffins, with the isoparaffins containing predominantly methyl branches, and having an isoparaffin:n-paraffin ratio sufficient to provide superior low tempera...  
WO/1997/008272A1
A catalytic cracked naphtha is desulfurized with minimum loss of olefins and octane. The naphtha is fed to a first distillation column reactor (10) which acts as a depentanizer or dehexanizer with the lighter material containing most of ...  
WO/1997/005948A1
Catalyst comprising from 0.1 to 15 % by weight of platinum and/or palladium and from 2 to 40 % by weight of at least one metal of the actinium series, said weight percentages indicating the amount of metal based on the total weight of ca...  
WO/1997/006103A1
A crystalline zeolite high-silica SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo(5.2.2.0(2,6) undec-8-ene cation as a template and seed crystals wherein said zeolite is used in hydrocarbon conversion processes.  
WO/1997/005948A2
Catalyst comprising from 0.1 to 15 % by weight of platinum and/or palladium and from 2 to 40 % by weight of at least one metal of the actinium series, said weight percentages indicating the amount of metal based on the total weight of ca...  
WO/1997/000304A1
A catalyst including a matrix consisting of a mixture of transition alumina 'eta' and transition alumina 'gamma', and at least one doping metal selected from the group which consists of titanium, zirconium, hafnium, cobalt, nickel, zinc,...  
WO/1997/000306A1
A method for converting hydrocarbons into aromatic compounds, and particularly for catalytically reforming petrols and producing aromatic compounds from paraffinic and naphthenic hydrocarbons, wherein the feedstock to be processed is con...  
WO/1997/000303A1
A method for converting hydrocarbons into aromatic compounds, and particularly for catalytically reforming petrols and producing aromatic compounds from paraffinic and naphthenic hydrocarbons, wherein the feedstock to be processed is con...  
WO/1997/000305A1
A method for converting hydrocarbons into aromatic compounds, and particularly for catalytically reforming petrols and producing aromatic compounds from paraffinic and naphthenic hydrocarbons, wherein the feedstock to be processed is con...  
WO/1997/000130A1
A catalyst including a matrix consisting of 0-100 wt.% of transition alumina 'eta', the balance to 100 wt.% of the matrix being transition alumina 'gamma', and, based on the total weight of the catalyst, 0.001-2 wt.% of silicon, 0.1-15 w...  
WO/1996/041904A2
A process for producing a metallic protective layer whereby a metal-containing plating, cladding, paint or other coating is applied to at least a portion of a reactor system and then contacted with a gaseous stream containing hydrocarbon...  
WO/1996/040426A2
In a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element; Y is a tetravalent element; and n is greater than about 12, the c...  

Matches 551 - 600 out of 2,390