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| Number | Title | Issue Date |
| 7435332 | Process for cracking hydrocarbon oils This invention relates to a process for cracking hydrocarbon oils. The process comprises contacting a hydrocarbon oil with a catalyst that has been contacted with an atmosphere containing a reducing gas, separating cracked products and the catalyst, and regenerating... | 10/14/2008 |
| 7347930 | Process for cracking hydrocarbon oils A novel process for cracking olefins including contacting a hydrocarbon oil with a catalyst in a riser reactor having multiple reaction zones under cracking reaction conditions; separating reaction products and the catalyst; regenerating at least a part of spent cat... | 03/25/2008 |
| 7319082 | Process for the preparation of molecular sieve adsorbent for selective adsorption of oxygen from air The invention relates to the manufacture of molecular sieve adsorbents, which are selective towards oxygen from its gaseous mixture with argon and/or nitrogen. More particularly, this invention relates to the manufacture of molecular sieve adsorbents useful for the ... | 01/15/2008 |
| 7141232 | Preparation of molecular sieves involving spray drying Molecular sieves are prepared by forming a reaction mixture slurry, spray drying the reaction mixture slurry to form particles, and heating the spray dried reaction mixture at a temperature and pressure sufficient to cause crystallization of the molecular sieve. The... | 11/28/2006 |
| 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 metal-based component comprised of one or more elements from Group 3 a... | 10/24/2006 |
| 7122495 | 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 system contains at least one solid acid component and at least one metal-based component which consists of (a) oxygen and/or sulfur and ... | 10/17/2006 |
| 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 least one metal-based compo... | 10/17/2006 |
| 7122494 | 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 metal-based component comprised of two or more elements from Groups 4â... | 10/17/2006 |
| 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 metal-based component comprised of one or more elements from Groups 1 ... | 10/17/2006 |
| 7101473 | Method of enhancing the activity of FCC catalysts An additive to enhance the activity of an FCC catalyst containing zeolite and matrix components comprises zeolite microspheres having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The... | 09/05/2006 |
| 6936737 | Process for the synthesis of mixtures of methane diphenyl diamine and its higher homologues with a controlled isomer distribution A process for preparing methane diphenyl diamine (MDA) or a mixture of methane diphenyl diamine (MDA) and its higher homologues with a controlled isomer distribution using a silanised zeolite have “shape selectivity”. The mixture contains compounds having the fo... | 08/30/2005 |
| 6932951 | Microfabricated chemical reactor A microfabricated chemical reactor includes a plurality of lamina, an inlet port formed in at least one of the lamina, and an outlet port formed in at least one of the lamina. A continuous channel is formed in at least one of the lamina and provides fluid communicat... | 08/23/2005 |
| 6797155 | Catalytic cracking process using a modified mesoporous aluminophosphate material A process for catalytic cracking of a hydrocarbon feedstock comprises contacting the feedstock with a catalyst composition comprising a primary cracking component, such as zeolite Y, and a mesoporous aluminophosphate material which includes a solid aluminophosphate ... | 09/28/2004 |
| 6726834 | Process for catalytic cracking of a hydrocarbon feed with a MFI aluminisilcate composition A process for catalytic cracking of a hydrocarbon feed, includes the steps of providing an initial hydrocarbon fraction; providing a catalyst comprising an aluminosilicate composition having an aluminosilicate composition having an aluminosilicate framework and cont... | 04/27/2004 |
| 6635168 | Gasoline sulfur reduction catalyst for fluid catalytic cracking process The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an... | 10/21/2003 |
| 6635169 | Method for reducing gasoline sulfur in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of a catalytic cracking process is reduced by the use of a catalyst having a product sulfur reduction component containing a metal component in an oxidation state greater tha... | 10/21/2003 |
| 6497811 | Reduction of sulphur content in FCC-naphtha The present invention comprises a composition for reducing the sulphur content in a hydrocarbon composition, wherein the composition comprises a hydrotalcite material, which has been impregnated with a Lewis acid, and optionally a FCC-catalyst. The hydrot... | 12/24/2002 |
| 6419819 | Synthetic porous crystalline MCM-67, its synthesis and use This invention relates to a new synthetic porous crystalline material, designated MCM-67, a method for its preparation and use thereof in catalytic conversion of organic compounds. MCM-67 appears to be closely related in structure to VPI-8 and SSZ-41 but ... | 07/16/2002 |
| 6210562 | Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons A catalytic pyrolysis process for production of ethylene and propylene from heavy hydrocarbons, comprises that heavy hydrocarbons are contacted with a pillared interlayered clay molecular sieve and/or phosphorus and aluminum or magnesium or calcium modifi... | 04/03/2001 |
| 6172273 | Method for converting hydrocarbons to aromatics using a hybrid catalyst system 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 bi... | 01/09/2001 |
| 6153089 | Upgradation of undesirable olefinic liquid hydrocarbon streams A process for converting undesirable olefinic hydrocarbon streams to hydrogen and petrochemical feedstock e.g. light olefins in C2 -C4 range and aromatics especially toluene and xylenes, which comprises simultaneous cracking and refo... | 11/28/2000 |
| 6136290 | IM-5 zeolite, a process for its preparation and catalytic applications thereof The invention concerns IM-5 zeolite with a chemical composition with the following formula, expressed in terms of the mole ratios of the oxides for the anhydrous state: 100XO2,mY2 O3, pR2/n O where m is 10 or le... | 10/24/2000 |
| 5689024 | Use of crystalline SUZ-9 This invention relates to use of a new and improved form of crystalline material identified as having the structure of SUZ-9 as a sorbent or a catalyst for organic compound, e.g., hydrocarbon compound, conversion.... | 11/18/1997 |
| 5641395 | Process and compositions for Mn containing catalyst for carbo-metallic hydrocarbons An improved "magnetic hook"-promoted catalytic process, catalyst and method of manufacture for heavy hydrocarbon conversion, optionally in the presence of nickel and vanadium on the catalyst and in the feed stock to produce lighter molecular weight fracti... | 06/24/1997 |
| 5582713 | Catalytic cracking utilizing a catalyst comprising zeolite GZS-11 A synthetic zeolite, designated zeolite GZS-11, is made having a molar composition expressed by the formula: [x M2/n O+(1.0&#b1;0.2-x)R2/n O]:Y2 O3 :y XO2 :wH2 O where M is an inorganic cation o... | 12/10/1996 |
| 5389233 | Metals passivation of cracking catalysts A zeolite-containing cracking catalyst is passivated with lithium sulfate and, preferably, at least one additional passivating agent (more preferably at least one antimony compound). The thus-passivated cracking catalyst is employed in a process for catal... | 02/14/1995 |
| 5151259 | Modified crystalline aluminosilicate and method of preparing the same A crystalline aluminosilicate having its anhydrous state a formula expressed in terms of mol ratios as follows: xQ:0.01-0.1 M2/n O:0-0.8 Z2 O3 :SiO2 :0.0001-0.5 MeS, wherein: Q is an organic nitrogen compound; Z is alumin... | 09/29/1992 |
| 5128025 | Hydrocarbon conversion processes using a novel crystalline microporous metal oxysulfide composition This invention deals with a hydrocarbon conversion process using a crystalline oxysulfide composition. The crystalline oxysulfide composition has a three-dimensional microporous framework structure of at least MO2, MS2, and MOS tetra... | 07/07/1992 |
| 5037531 | Catalytic cracking process A catalytic cracking process is disclosed using a catalyst comprising a framework dealuminate Y zeolite, which is rare earth and aluminum exchanged.... | 08/06/1991 |
| 4968406 | Increasing feed volume throughput in FCC process A process for increasing the volume of feed throughput to the catalytic cracker by decreasing hydrogen and total gas volume production, under catalytic cracking conditions temperature of 950° F. to about 1150° F., a catalyst to feed ratio of 3:1 to 10:1... | 11/06/1990 |
| 4957718 | Process for reducing emissions of sulfur oxides and composition useful in same A process for the removal of sulfur oxides from a gas which comprises (a) contacting the sulfur oxide-containing gas with at least one of certain metal, oxygen-containing components, e.g., modified perovskite-type components, at conditions effective to as... | 09/18/1990 |
| 4956075 | Catalytic cracking The use of a catalyst containing Mn, a large pore crystalline molecular sieve, and optionally rare earths in catalytic cracking is disclosed. This catalyst gives high gasoline selectivity with low coke yields and is suitable for either gas oil or resid cr... | 09/11/1990 |
| 4877514 | Carbo-metallic oil conversion process and catalysts Commercial catalysts are prepared combining the various ingredients into a catalytic binder system which has been freed of sodium so that the catalyst ingredients can be preferably spray dried and used in Fluid Catalytic Cracking or Reduced Crude Conversi... | 10/31/1989 |
| 4859314 | Catalytic cracking catalysts and cracking process using non-zeolitic molecular sieves Catalytic cracking catalysts and their use in catalytic cracking processes are disclosed. The instant catalytic cracking catalysts are useful for cracking a hydrocarbon feedstock to produce lower boiling hydrocarbons. The catalysts comprise an effective a... | 08/22/1989 |
| 4846956 | Manganese-aluminum-phosphorus-silicon-oxide Molecular sieves Crystalline molecular sieves having three-dimensional microporous framework structures of MnO2, AlO2, SiO2 and PO2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composi... | 07/11/1989 |
| 4828679 | Octane improvement with large size ZSM-5 catalytic cracking Octane and total yield improvement in catalytic cracking of petroleum fractions under cracking conditions can be obtained by adding to conventional cracking catalysts small amounts of an additive catalyst comprising a class of zeolites characterized by a ... | 05/09/1989 |
| 4814316 | Novel catalyst composition, and processes for making and using same A fluid catalytic cracking (FCC) catalyst comprising a microporous crystalline multi-compositional, multiphase composite of SAPO-37 molecular sieve as a phase thereof in contiguous relationship with a different microporous faujasitic crystalline molecular... | 03/21/1989 |
| 4790982 | Metal-containing spinel composition and process of using same A composition of matter comprising at least one metal-containing spinel which includes a first metal and a second metal having a valence higher than the valence of the first metal, a minor amount of at least one third metal component effective to promote ... | 12/13/1988 |
| 4784750 | Catalytic cracking process The invention concerns a hydrocarbon cracking catalyst containing a mixture of amorphous matrix with a zeolite, the zeolite having a SiO2 /Al2 O3 molar ratio ranging from about 8 to 70, a sodium content lower than 0.15% by... | 11/15/1988 |
| 4642177 | Process for reducing sulfur oxide emissions from catalytic cracking units A sulfur sorbent for use in reducing the emissions of sulfur oxides from regenerators of cyclic catalytic cracking units comprises a rare earth component or mixture of rare earth components in combination with a porous, inorganic refractory oxide componen... | 02/10/1987 |
