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| Number | Title | Issue Date |
| 7776775 | Cracking catalyst and a preparation process for the same The present invention provides a cracking catalyst, containing a rare-earth Y-zeolite and a support, which is characterized in that the rare-earth content in crystal lattice of the rare-earth Y-zeolite is 4-15 wt % of RE2O3; the original unit c... | 08/17/2010 |
| 7691767 | Catalytic cracking catalyst for heavy oil and production process for olefin and fuel oil Provided are a catalyst which inhibits light paraffins form being produced in catalytic cracking of heavy hydrocarbons and which effectively produces olefins and a process in which the above catalyst is used to produce olefins from heavy hydrocarbons at a high yield... | 04/06/2010 |
| 7507686 | 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... | 03/24/2009 |
| 7419930 | Catalytic composition for the aromatization of hydrocarbons The present invention regards a catalytic composition comprising gallium, at least one element chosen in the group of the lanthanides, and a zeolite belonging to the MFI, MEL or MFI/MEL families, the crystal lattice of which is made up of silicon oxide and at least ... | 09/02/2008 |
| 7407907 | Dual functional catalyst for selective opening of cyclic paraffins and process for using the catalyst A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular sieve, such as UZM-16 and a refractory inorganic oxide such as alumin... | 08/05/2008 |
| 7405177 | Catalyst for selective opening of cyclic naphtha and process for using the catalyst A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs,... | 07/29/2008 |
| 7390763 | Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process The invention is directed to a method of making a small crystal SSZ-32 zeolite, known as SSZ-32X. The catalyst is suitable for use in a process whereby a feed including straight chain and slightly branched paraffins having 10 or more carbon atoms is dewaxed to produ... | 06/24/2008 |
| 7390769 | High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis The Fischer-Tropsch catalyst of the present invention is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution of cobalt throughout the support, and a small metal crystallite size.... | 06/24/2008 |
| 7381675 | Direct epoxidation catalyst A catalyst comprising a noble metal supported on a diatomaceous earth and a transition metal zeolite is disclosed. The catalyst is used in an epoxidation process comprising reacting an olefin, hydrogen, and oxygen. The diatomaceous earth is readily available and may... | 06/03/2008 |
| 7371706 | Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas A catalyst for removing hydrocarbons from exhaust gas containing methane and an excess of oxygen, which comprises palladium or palladium/platinum supported on at least one carrier selected from zirconia, sulfated zirconia and tungsten-zirconia, and a method for trea... | 05/13/2008 |
| 7351328 | Desulfurization and novel process for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t... | 04/01/2008 |
| 7332148 | Hydrothermally stable metal promoted zeolite beta for NOreduction A stabilized metal promoted aluminosilicate zeolite, useful in the selective catalytic reduction of nitrogen oxides with ammonia, having a silica to alumina mole ratio of at least 8 and less than 30 and an FT-IR absorption peak at 3781 plus or minus 2 cm−1 | 02/19/2008 |
| 7332089 | Method of extracting metal ions from an aqueous solution utilizing an antimony silicate sorbent The invention provides a use of a material comprising antimony silicate as a sorbent in the removal of metal ions, e.g. radioactive metal ions, from an acidic liquid medium. The metal ions may be selectively removed from amongst other ions such as Na, K, Mg, and Ca ... | 02/19/2008 |
| 7329624 | Regenerable adsorbents for the purification of silicone based solvents An adsorbent for removal of impurities from silicone based solvents is presented. The adsorbent is regenerable for repeated use in cleaning silicone based solvents. ... | 02/12/2008 |
| 7326400 | Treatment of high sulfate containing quicklime A method is shown for controlling the presence of soluble sulfate ions in a lime slaking operation in which a source of quicklime is combined with slaking water to form calcium hydroxide product. A complexing agent is added to either the quicklime or the slaking wat... | 02/05/2008 |
| 7320782 | Process for preparing a layered molecular sieve composition A process for preparing a layered composition has been developed. The composition comprises an inner core and an outer layer comprising a molecular sieve. The process involves providing a slurry comprising inner core particles and sources of the framework elements o... | 01/22/2008 |
| 7319178 | Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst composition comprises a mole... | 01/15/2008 |
| 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 |
| 7304011 | Compositions and processes for reducing NOemissions 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 catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7285512 | Selective hydrodesulfurization catalyst This invention relates to a catalyst and process for selectively hydrodesulfurizing naphtha feedstreams using a catalyst comprising at least one hydrodesulfurizing metal supported on a low acidity, ordered mesoporous support material. ... | 10/23/2007 |
| 7279036 | Process for preparation of inorganic colorants from mixed rare earth compounds The present invention provides a novel process for preparation of inorganic colourants from mixed rare earth compounds, which are directly obtained from the ore industry, without undergoing any separation, thereby enabling a cost reduction to the extend of 10-100 ti... | 10/09/2007 |
| 7265073 | Exhaust gas purifying catalyst and process for purifying exhaust gas An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed sequentially on a carrier, and a process for purifying the exhaust ga... | 09/04/2007 |
| 7259121 | Method of reducing the NO content of gases and selected catalysts A method of reducing the N2O content in gases is described. A selected zeolite catalyst is used in the method. This catalyst is present in the H form and/or contains exchanged iron and is characterized by the presence of nonlattice aluminum in addition to... | 08/21/2007 |
| 7244689 | Method of producing alumina-silica catalyst supports Alumina-silica catalyst supports having substantially high surfaces areas are formed by extrusion, drying and firing of a plasticized batch including an alumina-silica powder component, acid, organic binder and water. The alumina-silica powder component can be forme... | 07/17/2007 |
| 7241713 | Molecular sieve catalyst composition, its making and use in conversion processes This invention provides methods of making molecular sieve catalyst particles, molecular sieve slurries that can be used in such methods, molecular sieve catalyst compositions and their use in catalytic hydrocarbon conversion processes. In one of its aspects, the inv... | 07/10/2007 |
| 7232605 | Hybrid natural-fiber composites with cellular skeletal structures The present invention relates to composite structural members comprising polymers, natural and synthetic fibers, and nano-scale platelets arranged in two- or three-dimensional cellular skeletal structure; more particularly referring to a low-cost natural-fiber based... | 06/19/2007 |
| 7223714 | Method of transferring catalyst in a reaction system The invention is directed to methods of transfering catalyst particles into and within reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloalumin... | 05/29/2007 |
| 7220692 | Catalyst for selective NOreduction using hydrocarbons A two phase catalyst is disclosed with one or more transition metals such as Cu, Co, Fe, Ag and Mo supported on a molecular sieve having a pore size not greater than 8 â„« along with a stabilizing oxide of one or more of the oxides of Zr, Mo, V, Nb or the rare earth... | 05/22/2007 |
| 7214844 | Molecular sieve catalyst compositions, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular s... | 05/08/2007 |
| 7208442 | Molecular sieve compositions, catalyst thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene The catalyst composition comprises a molec... | 04/24/2007 |
| 7183236 | Ceramic catalyst body An object of the present invention is to realize low pressure loss and high purification performance in a constitution in which a primary catalyst component and co-catalyst component are loaded onto a ceramic support that allows catalyst components to be loaded dire... | 02/27/2007 |
| 7169291 | Selective hydrocracking process using beta zeolite Increased yields of middle distillate products are obtained in a hydrocracking process by the use of a catalyst containing a beta zeolite. In embodiments, the beta zeolite has not been hydrothermally treated or has been hydrothermally treated at a relatively low tem... | 01/30/2007 |
| 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 |
| 7157013 | Filtration method A method of filtering contaminants from a chemical process stream is disclosed. The method includes a step of passing the process stream over a filtration medium including a plurality of discrete filtration elements, each element having parallel first and second fac... | 01/02/2007 |
| 7138358 | Catalyzed diesel particulate matter filter with improved thermal stability A catalyzed diesel particulate matter exhaust filter with improved diesel particulate matter oxidation activity and thermal stability including a porous filter substrate for filtering the diesel particulate matter washcoated with high surface area support alumina, t... | 11/21/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
