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| Number | Title | Issue Date |
| 7015175 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 03/21/2006 |
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids Chlorite-like phyllosilicate materials are found useful as SOx sorbents. A novel process of sulfur oxide sorption is provided utilizing these layered materials as contact solids. Typical industrial applications include sulfur removal from fluid catalyst c... | 02/14/2006 |
| 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 catalyst. The catalyst comprises at least one dioctahedral 2:1 phyllosil... | 05/18/2004 |
| 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, vanadium, molybdenum, tungsten, indium, rhodium, scandium, or... | 03/25/2003 |
| 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 about Si/Al and/or Mg/Al substitutions which impart acid pr... | 03/18/2003 |
| 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 platelets not exceeding 1 micron and the average degree of... | 01/01/2002 |
| 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, wherein the polymer or oligomer is exposed to a catalyst ... | 01/09/2001 |
| 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 formed into a discrete particle.... | 11/02/1999 |
| 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 composition comprising a molecular sieve containing crystallit... | 09/08/1998 |
| 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+r.multidot.s where M2+ is a divale... | 05/12/1998 |
| 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 N,N-diethyl-cis-2,6-dimethyl piperidinium cation templating agent.... | 11/04/1997 |
| 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.sup.(2,6) ] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.... | 06/24/1997 |
| 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.... | 03/25/1997 |
| 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 is characterized by the use of a dewaxing catalyst contain... | 10/15/1996 |
| 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., hydrocarbon compound, conversion. The organic compound conver... | 09/10/1996 |
| 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 hydrocarbon conversion. The sieve advantageously is incorporated,... | 05/14/1996 |
| 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 fluoro hydroxy cations where the metal can be Al, Zr, Si/Al, ... | 04/25/1995 |
| 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 passed into a catalytic dewaxing zone. The once-through hyd... | 01/31/1995 |
| 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 types of feedstocks.... | 12/20/1994 |
| 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 aluminosilicate zeolites. The invention also involves a process of ... | 07/12/1994 |
| 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 catalyst for hydrocracking various types of feedstocks.... | 07/12/1994 |
| 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.... | 03/08/1994 |
| 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 composed of crystals whose average crystallites size is abou... | 02/15/1994 |
| 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 adsorption capacity of the protonated form of this zeolite a... | 01/11/1994 |
| 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 high sorption capacity demonstrated by its benzene adsorption... | 01/11/1994 |
| 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 advantageously is incorporated, along with a platinum-group metal, ... | 01/04/1994 |
| 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 solvent extraction and utilizes a catalytic hydrodewaxing zone... | 12/28/1993 |
| 5250277 | Crystalline oxide material There is provided a crystalline oxide material with a characteristic X-ray diffraction pattern. This material may be a layered material, which is swollen or pillared. Upon calcination of the swollen material, the layers collapse and condense upon one anot... | 10/05/1993 |
| 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 a molecular sieve having generally oval 1-D pores having ... | 09/21/1993 |
| 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 crystalline porous chalcogenide, e.g., silicate or like materia... | 08/03/1993 |
| 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 metal cations and organic templating agents which have been ... | 07/27/1993 |
| 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 90 to 10% by weight of an inorganic oxide, and at least o... | 05/04/1993 |
| 5202014 | Zeolite SSZ-25 A crystalline zeolite SSZ-25 is prepared using an adamantane quaternary ammonium ion as a template.... | 04/13/1993 |
| 5183557 | Hydrocracking process using ultra-large pore size catalysts A hydrocracking catalyst with improved distillate selectivity comprises, in addition to a metal component, a mesoporous crystalline material together with a molecular sieve component of relatively smaller pore size. The metal component of the catalyst is ... | 02/02/1993 |
| 5158665 | Synthesis of a crystalline silicoaluminophosphate A method is disclosed for preparing a silicoaluminophosphate molecular sieve, characterized in that the P2 O5 to alumina mole ratio at the surface is about 0.85 or less, the P2 O5 to aluminia mole ratio of the b... | 10/27/1992 |
| 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 silicoaluminophosphate molecular sieve and a hydrogenation ... | 09/22/1992 |
| 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, which has been isomorphously substituted with silicon. The tre... | 08/18/1992 |
| 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 about 600° F. by contacting the feedstock with a catalyst... | 08/18/1992 |
| 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 material prepared in accordance herewith as a catalyst for ... | 08/11/1992 |
| 5135638 | 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 a molecular sieve having generally oval 1-D pores having ... | 08/04/1992 |
