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7381321 |
Process for improving aromatic and naphtheno-aromatic gas oil fractions
Process for transforming a gas-oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content,...
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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...
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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...
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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...
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7119245 |
Synthesis of an un-supported, high-flow ZSM-22 zeolite membrane
Novel methods for synthesizing wholly un-supported, high-flow catalytic membranes consisting of 100% crystalline ZSM-22 crystals with no binder phase, having sufficient porosity to allow high...
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6736959 |
Process for improving the pour point of feeds containing paraffins using a catalyst based on a bridged dioctahedral 2:1 phyllosilicate
The invention concerns a process for improving the pour point of a feed comprising paraffins containing more than 10 carbon atoms, in which the feed to be treated is brought into contact with a...
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6294081 |
Hydroprocessing with catalytic silicoaluminophosphates having an AEL structure
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks. More...
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6171475 |
Process for controlled degradation of hydrocarbon polymers
A method for converting a polymer or oligomer derived from an ethylenically unsaturated monomer into alkanes or into a hydrocarbon fraction or a lower oligomer fraction by controlled hydrocracking,...
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6160191 |
Hydrocarbon conversion using large crystal zeolite catalyst
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...
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5641393 |
High-silica zeolite SSZ-37 and methods of making and using same
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 wherein said zeolite is used in hydrocarbon conversion...
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5614079 |
Catalytic dewaxing over silica bound molecular sieve
A molecular sieve catalyst is composited with an inert binder derived from an organic silicon source and organic polymer. The catalyst is used in dewaxing of petroleum chargestocks.
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5593570 |
Catalyst system for combined hydrotreating and hydrocracking and a process for upgrading hydrocarbonaceous feedstocks
A physically intermixed catalyst system comprising two distinctly different catalytic particles, the first of which is a hydrodenitrification and/or hydrodesulfurization catalyst and the second of...
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5565088 |
Hydrocracking process for enhanced quality and quantity of middle distillates
The invention is a hydrocracking process which produces an increased amount of hydrocarbons useable as diesel fuel by isomerization of high boiling paraffins using a dewaxing catalyst. The process...
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5554274 |
Manufacture of improved catalyst
This invention relates the use of a catalyst composition having the structure of ZSM-5 and a matrix material, which has been manufactured by a new and useful method, for organic compound, e.g.,...
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5464527 |
Hydrocracking process for producing middle distillates
The selectivity of a midbarrel hydrocracking process for middle distillates is significantly increased by using a catalyst containing a Y zeolite that has been exchanged with rare earth cations....
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5451391 |
Process for the synthesis of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, the aluminosilicate obtained and its use as catalyst for the conversion of hycrocarbons
Process for the preparation of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, by hydrothermal crystallization of a gel containing sources of silicon, aluminum...
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5449450 |
Hydrocarbon conversion process using a crystalline microporous metallo-zinc phosphate composition
Hydrocarbon conversion processes are described which use novel microporous compositions. These compositions have a three-dimensional microporous framework structure of ZnO 2 , PO 2 and M'O 2 ...
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5447623 |
Hydrocracking catalyst and process
A hydrocracking process using a catalyst containing a hydrogenation component, zeolite beta, and between 1 and 15 weight percent of a Y zeolite having a unit cell size less than about 24.40 angstroms.
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5409597 |
Hydrocarbon conversion process using a pillared clay containing fluorided pillars
Hydrocarbon conversion processes are disclosed which are catalyzed by novel pillared clay compositions. The clay contains pillars which are at least partially fluorided. These pillars are metal...
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5393411 |
Hydrocarbon conversion process using a fluorided beidellite clay
Hydrocarbon conversion processes such as alkylation and hydrocracking are described which use as the catalyst a novel beidellite clay. The clay has the empirical formula A x (Al 4 )(Si 8 -x Al x...
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5393409 |
Hydrocracking process using a controlled porosity catalyst
A hydrocracking catalyst and a process using it are described. The catalyst comprises a dealuminated zeolite bound into a highly porous amorphous support matrix. The catalyst is characterized by...
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5374349 |
Hydrocracking process employing catalyst containing zeolite beta and a pillared clay
A composition of matter comprising zeolite Beta and a pillared clay is especially suited for use in combination with one or more hydrogenation components as a catalyst for hydrocracking various...
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5371311 |
Modified zeolite omega and processes for preparing and using same
Forms of zeolite Omega synthesized by hydrothermal crystallization from reaction systems containing alkali metal cations and organic templating agents, modified by calcination in air, ion-exchange,...
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5370785 |
Hydrocarbon conversion process employing a porous material
There is provided a hydrocarbon conversion process and a process for sorbing a sorbate wherein said conversion and sorption process each comprises the use of a porous material. A process for...
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5366616 |
Hydrocarbon conversion process using a chromium substituted molecular sieve
This invention relates to hydrocarbon conversion processes using novel molecular sieve compositions as the catalyst. These molecular sieves contain chromium in the framework structure along with...
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5358629 |
Hydroconversion process containing a molybdenum complex recovered from epoxidation of olefinic hydrocarbons
A waste molybdenum-containing stream recovered from the work-up of a reaction mixture wherein propylene has reacted with t-butyl hydroperoxide to form propylene oxide (in the presence of a complex...
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5342507 |
Mild hydrocracking process employing catalysts containing dealuminated y-zeolites
A mild hydrocracking process for the hydrodemetallation (HDM), hydrodesulfurization (HDS) and hydroconversion (HC) of hydrocarbon feedstocks such as residuum feedstocks which provides increased...
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5340957 |
Hydrocracking process using a reactivated catalyst
A reactivated catalyst having optimum activity for hydrocracking and other acid catalyzed chemical conversion processes is prepared by contacting its deactivated counterpart, which contains a...
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5338437 |
Method for hydrocracking a heavy hydrocarbon oil utilizing a faujasite aluminosilicate
A hydrocracking catalyst for heavy hydrocarbon oils comprising a metallic element of the VIb Group and a metallic element of the VIII Group supported on a carrier containing a novel faujasite-type...
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5328675 |
Transition-metal-aluminosilicate hydrocarbon conversion catalysts having an L type structure, ECR-22-D
This invention relates to novel zeolitic compositions having zinc as well as aluminum and silicon in the framework tetrahedral positions. The composition has a structure similar to type-L...
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5328590 |
Hydrocracking process using a catalyst containing zeolite beta and a layered magnesium silicate
A composition of matter comprising zeolite Beta and a layered magnesium silicate such as sepiolite is especially suited for use in combination with one or more hydrogenation components as a...
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5326734 |
Pillared interlayered kandite clay compositions
This invention includes compositions of matter made up of a kandite clay which has been treated with large molecules containing multi-atom metallic or semi-metallic species and heated to produce...
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5288396 |
Hydrocracking process using a catalyst selective for making middle distillates
A hydrocarbon conversion catalyst useful for converting hydrocarbon feeds to midbarrel products is prepared by extruding a mixture of an inorganic refractory oxide component and a crystalline...
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5286692 |
Mild hydrocracking catlyst and the process therefor
A mild hydrocracking catalyst contains amorphous matrix, zeolite, at least one metal compound selected from Group VIB and at least one metal compound selected from Group VIII. The catalyst is...
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5286368 |
Hydrocarbon conversion process using a novel beidellite clay
This invention relates to a hydrocarbon conversion process using a novel beidellite layered clay as the catalyst. The clay is characterized in that it is substantially free of sodium cations, is...
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5286367 |
Hydrocarbon conversion process using a gallium/germanium dioctahedral smectite clay
This invention relates to a hydrocarbon conversion process using a novel dioctahedral smectite layered clay as the catalyst. The clay is characterized in that the aluminum and silicon in the clay...
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5282958 |
Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons
A process is disclosed for dewaxing a hydrocarbon feed to produce a dewaxed lube oil. The feed includes straight chain and slightly branched chain paraffins having 10 or more carbon atoms. In the...
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5281328 |
Hydrocracking with ultra large pore size catalysts
A hydrocracking process uses a catalyst which is based on an ultra-large pore crystalline material. The crystalline material has pores of at least 13 Å diameter arranged in a uniform manner and...
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5279726 |
Catalyst containing zeolite beta and processes for its use
A composition of matter comprising both zeolite Beta and a Y zeolite having a unit cell size above about 24.40 angstroms and, preferably, a water vapor sorptive capacity at 25° C. and a p/p o ...
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5277791 |
Zeolite from the class of mazzite, process for its synthesis, and its use as a catalyst
This invention relates to a new zeolite from the class of mazzite, containing a fraction of non-exchangeable potassium cations, and also to a process for its synthesis. The crystallinity and the...
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5275720 |
Gasoline hydrocracking catalyst and process
A catalyst for use in acid catalyzed chemical conversion processes such as hydrocarbon conversion processes comprises zeolite beta and a dealuminated Y zeolite having an overall silica-to-alumina...
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5233112 |
Catalytic conversion over specially synthesized crystalline porous chalcogenides
This invention relates to catalytic conversion of feedstock organic compounds to conversion product by contacting the feedstock at conversion conditions with catalyst comprising a new form of...
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5232578 |
Multibed hydrocracking process utilizing beds with disparate particle sizes and hydrogenating metals contents
The operation of a multibed second stage hydrocracker is improved by using in the first or top bed a Group VIB and/or Group VIII metals supported hydrocracking catalyst with at least one of the...
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5230790 |
Hydrocarbon conversion processes using modified zeolite Omega
Hydrocarbon conversion reactions are carried out over a catalyst composition containing forms of zeolite Omega synthesized by hydrothermal crystallization from reaction systems containing alkali...
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5228979 |
Hydrocracking with a catalyst containing a noble metal and zeolite beta
A process for hydrocracking various types of hydrocarbon feedstocks in an ammonia-rich environment using a catalyst comprising zeolite Beta and a noble metal hydrogenation component, preferably...
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5207893 |
Hydrocracking process employing a novel iron-containing aluminosilicate
A process for hydrocracking heavy oil which comprises hydrocracking the heavy oil in the presence of a catalyst comprising a support of 10 to 90% by weight of an iron-containing aluminosilicate and...
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5207892 |
Hydrocarbon conversion process employing a modified form of zeolite Y
Novel catalyst compositions comprising a metal hydrogenation component and a modified form of zeolite Y are found to be highly effective in the hydrocarbon conversion processes carried out in the...
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5206194 |
Process for reactivating a deactivated crystalline molecular sieve group VIII metal catalyst
A reactivated catalyst having optimum activity for hydrocracking and other acid catalyzed chemical conversion processes is prepared by contacting its deactivated counterpart, which contains a...
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5186918 |
Substitution of Cr in place of Al in the framework of molecular sieve via treatment with fluoride salts
Molecular sieve compositions are prepared by extracting aluminum and substituting chromium and/or tin for extracted aluminum to give molecular sieve products containing framework chromium and/or...
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5176817 |
Hydrocarbon conversion process employing a substituted aluminosilicate compositions
This invention relates to molecular sieve compositions and processes for using the molecular sieves. The molecular sieves have a three-dimensional microporous crystalline framework structure of...
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