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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 |
| 7361264 | Mixed metal oxide additives The present invention is directed to methods for mitigating the deleterious effect of at least one metal on an FCC catalyst. This objective is achieved by using a mixed metal oxide compound comprising magnesium and aluminum, that has not been derived from a hydrotal... | 04/22/2008 |
| 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 |
| 7291259 | Process for desulfurizing hydrocarbon fuels and fuel components Processes are disclosed for removing sulfur, including cyclic and polycyclic organic sulfur components such as thiophenes and benzothiophenes, from a hydrocarbon feedstock including fuels and fuel components. The feedstock is contacted with a regenerable sorbent mat... | 11/06/2007 |
| 7176159 | Catalyst and sorbent material for the production of hydrogen A catalyst and sorbent is disclosed which comprises pellets with an absorbent core and a protective shell with a catalyst in the shell. Such material is especially well suited for steam reforming of hydrocarbons to produce hydrogen since a reforming catalyst can be ... | 02/13/2007 |
| 7160830 | Process for the preparation of catalyst microspheres The present invention relates to a process for the preparation of catalyst particles with a particle diameter in the range 20–2000 microns involving the steps of agitating at least two dry catalyst ingredients, spraying a liquid binding agent on the catalyst ingre... | 01/09/2007 |
| 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 |
| 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 |
| 7025873 | Use of cationic layered materials, compositions, comprising these materials, and the preparation of cationic layered materials Cationic layered materials, a process for their preparation and their use in hydrocarbon conversion, purification, and synthesis processes, such as fluid catalytic cracking. Cationic layered materials are especially suitable for the reduction of SOx and NOx emission... | 04/11/2006 |
| 6923903 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 08/02/2005 |
| 6902665 | Reduced NOx combustion promoter for use in FCC processes Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen storage capability, and (iv) palladium promote CO combustion in FCC process... | 06/07/2005 |
| 6852214 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction additive comprising a porous molecular sieve which contains a metal in an oxidation state above zero within... | 02/08/2005 |
| 6846403 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 01/25/2005 |
| 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 |
| 6790343 | Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the same The present invention relates to a sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the sulfur transfer additive, said additive is a uniform liquid comprising at least two metal elements selected ... | 09/14/2004 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6200464 | FCC catalyst comprising coated zeolite particles An FCC catalyst containing zeolite particles at least 50% of the outer surface of which is coated with a layer of pre-formed inorganic oxide is used in fluidized catalytic cracking of hydrocarbon feeds. The inorganic oxide layer has a thickness in the ran... | 03/13/2001 |
| 6165351 | Silica bayerite/eta alumina A silica-containing bayerite alumina is prepared by reacting aluminum sulfate, sodium aluminate and sodium silicate at a pH of about 10.5 to 11.5, preferably in the presence of finely divided magnesium hydroxide "seeds". The silica-containing bayerite is ... | 12/26/2000 |
| 6143167 | NOx reduction compositions for use in FCC processes Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen storage capability, and (iv) a transition metal selected from Gr... | 11/07/2000 |
| 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 |
| 6129833 | Catalytic cracking with reduced emission of sulfur oxides Sulfur oxides are removed in the regenerator zone and rapidly released as H2 S in the reactor zone of an FCC system employing a particulate SOx catalytic/absorbent comprising Cu and an alkali metal oxide. Embodiments include the use ... | 10/10/2000 |
| 6090272 | Process for converting a cracked gasoline using a zeolite-based catalyst material A process for producing catalyst compositions for converting a cracked gasoline feedstock to a product comprising incremental aromatics and lower olefins. The catalyst compositions produced thereby. A process for converting a cracked gasoline feedstock to... | 07/18/2000 |
| 6063262 | 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 ... | 05/16/2000 |
| 6048815 | Zeolite material, a method of making such improved zeolite material and the use thereof in the conversion of non-aromatic hydrocarbons to aromatics and light olefins A novel high stability catalyst composition comprising a mixture of zeolite and zinc spinel that has been treated with a reducing gas under high temperature conditions, a method of making such high stability catalyst, and the use thereof for converting pa... | 04/11/2000 |
| 6010619 | FCC process with zeolite and hydrotalcite Crystalline materials having increased mechanical strength and improved chemical properties are provided by incorporating carbonate by contact treatment with carbon dioxide (CO2) to modify the alkaline earth oxide morphology. Alkaline earth-con... | 01/04/2000 |
| 5997730 | Siliconized acid-treated zeolite containing zinc and boron used as a catalyst for converting hydrocarbons and method of making such catalyst A novel catalyst for the conversion of hydrocarbons comprising a material containing an acid treated zeolite, a boron component and a zinc component wherein the material is treated with a silylating agent. A method of making such novel catalyst and the us... | 12/07/1999 |
| 5972205 | FCC process using binary molecular sieves having a core and shell of different structures and compositions Disclosed is a novel binary sieve catalyst useful for olefin upgrading and fluid catalytic cracking which comprises a crystalline zeolite metallosilicate core and a shell selected from an aluminum phosphate molecular sieve (AlPO4), a silicon-substit... | 10/26/1999 |
| 5961818 | Process for the production of LPG and high octane aromatic hydrocarbons from non-economically viable petroleum feed stock The present invention relates to a process for production of LPG and high octane aromatic hydrocarbon from non-economically viable petroleum feedstock, which comprises passing the same feedstock through zinc-aluminosilicate molecular sieve (Zn-ZSM-5), in ... | 10/05/1999 |
| 5723716 | Method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle (LAW082) 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.... | 03/03/1998 |
| 5656149 | Hydrocarbon conversion processes using zeolite SSZ-41 The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from about 2 wt % to about 5 wt % of zinc metal based on the to... | 08/12/1997 |
| 5603823 | LA/ND-spinel compositions for metals passivation in FCC processes Catalytic cracking catalysts and additives which comprise a metals passivation component containing: 15-60 parts by weight MgO, 30-60 parts by weight Al2 O3, and 10-30 parts by weight rare earth compound selected from the group consisting... | 02/18/1997 |
| 5520797 | Fluid catalytic cracking with a zinc ferrite-containing catalyst A process for the fluid catalytic cracking of heavy fraction oils containing heavy metals such as Ni and V, which comprises withdrawing a portion of ferrite-containing catalyst particles circulating in a fluid catalytic cracking apparatus, separating the ... | 05/28/1996 |
| 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 |
| 5384041 | Composition for passivating vanadium in catalytic cracking and preparation thereof Disclosed is a vanadium trap for use in FCC which comprises a major amount of calcined kaolin clay, free magnesium oxide and an in situ formed magnesium silicate cement binder. Also disclosed are procedures for the preparation of the trap by forming a slu... | 01/24/1995 |
| 5382351 | Zeolite octane additive-cracking process When a zeolite additive composition of a medium-pore zeolite with a Constraint Index from about 1 to about 12 and a silica to alumina mole ratio greater than about 12 is added to a conventional cracking catalyst dispersed in an inorganic matrix, the octan... | 01/17/1995 |
| 5364516 | Catalytic cracking catalysts and additives Catalytic cracking catalysts/additives which comprise rare-earth, preferably lanthanum, oxide and/or oxychloride dispersed in an acid reacted metakaolin matrix. The catalysts/additives may be combined with zeolite-containing cracking catalysts to enhance ... | 11/15/1994 |
| 5336393 | Process for catalytically converting organic compounds Catalytic conversion of organic compounds wherein catalysts come into contact with steam is performed efficiently by using a catalyst which comprises an MFI type zeolite having a ratio of SiO2 /(Al2 O3 +Ga2 O | 08/09/1994 |
