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| Number | Title | Issue Date |
| 8137535 | Method for adjusting catalyst activity Systems and methods for producing and using one or more doped catalysts are provided. One or more coked-catalyst particles can be fluidized in the presence of one or more oxidants to provide a fluidized mixture. The coke from the one or more coked-catalyst particles... | 03/20/2012 |
| 7976697 | NOreduction compositions for use in partial burn FCC processes A NOx reduction composition and process of using the composition to reduce the content of NOx emissions and gas phase reduced nitrogen species released from the regeneration zone during fluid catalytic cracking of a hydrocarbon feedstock into l... | 07/12/2011 |
| 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 |
| 7431825 | Gasoline sulfur reduction using hydrotalcite like compounds The present invention describes novel methods for reducing sulfur in gasoline with hydrotalcite like compound additives, calcined hydrotalcite like compounds, and/or mixed metal oxide solution solutions. The additives can optionally further comprise one or more meta... | 10/07/2008 |
| 7390395 | Hydrocarbon conversion using molecular sieve SSZ-56 The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure directing agent, methods for synthesizing SSZ-56 and processes employing SSZ-56 in a catalyst. ... | 06/24/2008 |
| 7371316 | Production of lower molecular weight hydrocarbons A catalytic composition useful for cracking and reducing the viscosity of heavy hydrocarbons. The catalytic composition comprises Portland cement, a volcanic ash component, titanium dioxide, and a transition metal salt. Optionally, a hydrogen source is added to the ... | 05/13/2008 |
| 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 |
| 7347929 | Gasoline sulfur reduction using hydrotalcite like compounds The present invention describes novel methods for reducing sulfur in gasoline with hydrotalcite like compound additives, calcined hydrotalcite like compounds, and/or mixed metal oxide solution. The additives can optionally further comprise one or more metallic oxida... | 03/25/2008 |
| 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 |
| 7341155 | Systems and methods for processing waste materials Systems and methods for disposing of waste material are disclosed, in which a cross-belt magnet configuration is employed to separate ferromagnetic substances from waste material. For some embodiments, the system includes a first conveyor belt, a magnet, and a secon... | 03/11/2008 |
| 7220349 | Process for the production of middle distillates by two-step hydroisomerisation and hydrocracking of feeds from the Fischer-Tropsch process The invention concerns a process for producing middle distillates from an effluent produced by a Fischer-Tropsch unit, comprising optional fractionation to obtain at least one heavy fraction with an initial boiling point in the range 120-200° C., said heavy fractio... | 05/22/2007 |
| 7179422 | Apparatus for improved detection of carbon monoxide by infrared absorption spectroscopy A method for detecting the presence and amount of carbon monoxide, comprising the use of infrared spectroscopy to compare the spectra of the test gas containing carbon monoxide and the reference gas. The reference gas is the test gas from which carbon monoxide had b... | 02/20/2007 |
| 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 |
| 7090767 | Hydrodesulfurization of gasoline fractions A method for processing a gasoline range hydrocarbon stream wherein a single reactor/distillation tower stream is fractionated into a light fraction and a heavy fraction, the light fraction is hydrodesulfurized, the heavy fraction is optionally hydrocracked and then... | 08/15/2006 |
| 7041866 | Solid-acid 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 co... | 05/09/2006 |
| 6977322 | Isomerization catalyst and processes 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 tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
| 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 |
| 6808620 | Hydrocarbon conversion using zeolite SSZ-64 The present invention relates to new crystalline molecular sieve SSZ-64 prepared using a N-cyclobutylmethyl-N-ethylhexamethyleneiminium cation or N-cyclobutylmethyl-N-ethylheptamethyleneiminium cation structure directing agent, and processes employing SSZ-64 in a ca... | 10/26/2004 |
| 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 |
| 6667266 | Method for impregnation of molecular sieve-binder extrudates Method for impregnating a Group VIII metal on a molecular sieve-binder extrudate wherein the binder comprises a low acidity refractory oxide binder material, which is essentially free of alumina, by a) contacting the molecular sieve-binder extrudate with a... | 12/23/2003 |
| 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 |
| 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 |
| 6616830 | Hydrocarbon conversion using zeolite SSZ-57 The present invention relates to a new crystalline zeolite SSZ-57 and processes employing SSZ-57 in a catalyst.... | 09/09/2003 |
| 6558647 | Microporous and mesoporous silicoaluminate solid, process for preparation, use as a catalyst and for hydrocarbon conversion The invention relates to an acidic silicoaluminate solid that has a microporous zeolitic phase that is characterized by at least one infrared band between 400-1600 cm-1, an organized mesoporosity that is characterized by the presence of at least one X-dif... | 05/06/2003 |
| 6547958 | Hydrocarbon conversion using zeolite SSZ-59 The present invention relates to new crystalline zeolite SSZ-59 and processes employing SSZ-59 as a catalyst.... | 04/15/2003 |
| 6540906 | Hydrocarbon conversion using zeolite SSZ-60 The present invention relates to new crystalline zeolite SSZ-60 and processes employing SSZ-60 as a catalyst.... | 04/01/2003 |
| 6540905 | Hydrocarbon conversion using zeolite SSZ-58 The present invention relates to new crystalline zeolite SSZ-58 and processes employing SSZ-58 as a catalyst.... | 04/01/2003 |
| 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 |
| 6306286 | IM-5 phosphorus zeolite, catalytic composition, its preparation and its use in catalytic cracking An IM-5 zeolite that is modified by adding phosphorus that is optionally dealuminified, preferably in aluminosilicic form, and that contains at most 10% by weight of phosphorus, a composition that contains it, its processes for preparation and its applica... | 10/23/2001 |
| 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 |
| 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 |
| 5954946 | Hydrocarbon conversion catalysts The present invention provides a catalyst comprising a very ultrastable zeolite Y (VUSY) in which less than 15% of the total amount of aluminum (Al) present is octahedrally coordinated; a process for preparing the zeolite; and a hydrocarbon conversion pro... | 09/21/1999 |
