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8021642 |
Crystalline composition, preparation and use
A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium...
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8022003 |
Crystalline composition, preparation and use
A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium...
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7641787 |
Compositions and processes for reducing NOx emissions during fluid catalytic cracking
Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking...
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7582202 |
Composition comprising a metal hydroxy salt, its preparation and use as catalyst or sorbent
A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more...
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7427349 |
Fuels hydrocracking and distillate feed hydrofining in a single process
The present invention relates to the field of hydroprocessing, and more particularly relates to a process directed to fuels hydrocracking and distillate feed hydrofining. This process has at least...
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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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6537442 |
Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements
The invention pertains to a cogel comprising oxidic compounds of one or more trivalent metallic elements selected from the group of aluminum, borium, gallium, chromium, iron, cobalt, manganese,...
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6533923 |
Trioctahedral phyllosilicates 2:1 of a stevensite or kerolite type modified post-synthesis, method of preparation and use in catalysis
The present invention relates to stevensite or kerolite type trioctahedral phyllosilicates 2:1 containing fluorine, fluorinated in synthesis in an acid medium and modified post-synthesis to bring...
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6334947 |
Catalyst comprising at least a hydrogenation metal component and a synthetic clay and a process of using
The invention pertains to a catalyst at least comprising a hydrogenation metal component and a swelling synthetic clay consisting of elemental clay platelets, with the average diameter of the clay...
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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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5977425 |
Method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle
It has been discovered that waxy feeds can be upgraded using a catalyst made by combining powdered dewaxing catalyst with powdered isomerization catalyst said mixture of powdered catalysts being...
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5804058 |
Catalytic dewaxing processes using alumina free coated catalyst
A process is disclosed for the catalytic dewaxing of a hydrocarbon oil feed comprising waxy molecules, which process comprises: contacting a feed under catalytic dewaxing conditions with a catalyst...
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5750020 |
Process for removing sulfur oxides or nitrogen oxides from a gaseous mixture in an FCC process
A collapsed composition is described which is substantially composed of microcrystallites collectively of the formula: M2m2+ Al2-p Mp3+ Tr O7+rswhere M2+ is a divalent metal, M3+ is a trivalent m...
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5683572 |
Zeolite SSZ-44
The present invention relates to new crystalline zeolite SSZ-44 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using a...
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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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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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5516957 |
Discrete molecular sieve and use
This invention presents a novel MgAPSO molecular sieve, containing a critical range of magnesium in the sieve framework and having a small crystallite size, which is particularly active for...
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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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5385663 |
Integrated hydrocracking-catalytic dewaxing process for the production of middle distillates
A diesel or jet fuel distillate product is recovered from a hydrocracking process in an integrated flowscheme wherein the distillate is removed from the hydrocracking zone product column and then...
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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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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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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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5292426 |
Wax conversion process
Hydrocarbon lube boiling range stock of high Pour Point may be catalytically hydrotreated to yield a product of high viscosity index and reduced Pour Point which is suitable as a lube base oil.
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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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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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5277792 |
Production of hydrocracked lubricants
A lube hydrocracking process uses a catalyst which is based on an ultra-large pore crystalline material. The crystalline material exhibits unusually large pores of at least 13 Å diameter and a h...
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5276236 |
Discrete molecular sieve and use
This invention presents a novel MgAPSO molecular sieve, containing a critical range of magnesium in the sieve framework, which is particularly active for hydrocarbon conversion. The sieve...
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5273645 |
Manufacture of lubricating oils
A method for reducing the pour point of a hydrocarbon feedstock that contains aromatic compounds, sulfur-containing compounds and nitrogen-containing compounds is provided. The method involves...
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5246566 |
Wax isomerization using catalyst of specific pore geometry
The present invention relates to a process for producing a lube oil having a low pour point and excellent viscosity and viscosity index comprising isomerizing a waxy feed over a catalyst comprising...
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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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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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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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5202014 |
Zeolite SSZ-25
A crystalline zeolite SSZ-25 is prepared using an adamantane quaternary ammonium ion as a template.
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5149421 |
Catalytic dewaxing process for lube oils using a combination of a silicoaluminophosphate molecular sieve catalyst and an aluminosilicate zeolite catalyst
The present invention relates to a process for catalytically dewaxing a hydrocarbon oil feedstock by contacting the feedstock with a combination of a catalyst comprising an intermediate pore size...
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5139647 |
Process for preparing low pour middle distillates and lube oil using a catalyst containing a silicoaluminophosphate molecular sieve
The present invention relates to a hydrocracking and isomerization process for preparing low pour point middle distillate hydrocarbons and lube oil from a hydrocarbonaceous feedstock boiling above...
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5139648 |
Hydrocarbon conversion process using pillared clay and a silica-substituted alumina
Hydrocarbons are reduced in molecular weight in a conversion process wherein they are contacted with a solid catalyst comprising (i) a pillared clay and (ii) an alumina, such as gamma alumina,...
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5137705 |
Synthesis of crystalline silicate ZSM-12
This invention relates to a new form of crystalline material identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline...
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5087347 |
Silicoaluminophosphate hydrocarbon conversion process using SM-3
A silicoaluminophosphate molecular sieve is disclosed and is characterized in that the P2 O5 to alumina mole ratio at the surface is about 0.80 or less, the P2 O5 to alumina mole ratio of the bulk...
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5080778 |
Hydrocarbon conversion process using novel silica-substituted aluminas
Hydrocarbons are reduced in molecular weight in a conversion process wherein they are contacted with a non-zeolitic solid catalyst comprising an alumina, such as gamma alumina, which has been...
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5076907 |
Middle distillate hydrocracking process
A midbarrel hydrocracking catalyst for use in producing middle distillate products from hydrocarbon feedstocks via hydrocracking comprises at least one hydrogenation component, preferably one...
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5026943 |
Catalytic conversion over catalyst comprising synthetic crystal MCM-35
This invention relates to catalytic conversion of organic compounds over MCM-35, a new crystalline material exhibiting a distinctive X-ray diffraction pattern. The conversion process includes the...
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5015361 |
Catalytic dewaxing process employing surface acidity deactivated zeolite catalysts
Catalytic dewaxing of a waxy component-containing hydrocarbon feed is accomplished with improved selectivity employing, as catalyst, a zeolite the surface acid catalytic activity of which has been...
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5001094 |
Hydrocarbon conversion process including acidic zeolite reactivation
A spent acidic zeolite catalyst, e.g., ZSM-5 obtained from a hydrocarbon conversion process such as a catalytic dewaxing operation, is reactivated by contacting the spent catalyst with aqueous...
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5000840 |
Catalytic dewaxing lubricating oil stock derived from oligomerized olefin
A waxy component-containing lubricating oil stock derived from the multi-stage catalytic oligomerization of a lower olefin such as propylene is subjected to selective catalytic hydrodewaxing in the...
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4986894 |
Catalytic hydroisomerization process
A process for dewaxing waxy hydrocarbon feedstocks to produce distillate fuels or lubricant stocks having improved pour point properties. The process comprises catalytic hydroisomerization of the...
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4983558 |
Process for presulfurizing a hydrocarbon treatment catalyst
The invention relates to a process for treating a new or regenerated catalyst containing a support having as a base at least one metal or metalloid oxide and at least one active metal, comprising...
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4975180 |
Cracking process
A catalytic cracking process is provided wherein a phosphorous containing alumina or an alkaline earth phosphorous containing alumina is added to a catalytic cracking zone for admixture with a...
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4973785 |
Molecular sieve compositions
Crystalline molecular sieves having three-dimensional microporous framework structures of ELO2, AlO2, SiO2 and PO2 framework oxide units are disclosed. The molecular sieves have an empirical...
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