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| Number | Title | Issue Date |
| 7754647 | Activated metathesis catalysts The present invention provides a process for preparing a supported catalyst (catalyst C) having a support (support S) selected from among oxides, phosphates, silicates, carbides, borides and nitrides of main group elements and elements of transition groups VI and II... | 07/13/2010 |
| 7429682 | Catalyst for partial oxidation of methylbenzenes, method for preparing the same, and method for producing aromatic aldehydes using the same A catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The ca... | 09/30/2008 |
| 7348288 | Catalyst composition A process comprises passing a contaminated gaseous stream through a photocatalytic stage and, thereafter, through a catalytic stage. ... | 03/25/2008 |
| RE40140 | Polymerization catalyst used for producing polyolefins that have excellent combined properties The invention relates to a process for preparing a catalyst for the polymerization of olefins, which comprises: a) preparation of a finely divided silica xerogel, b) loading of the xerogel with chromium from a solu... | 03/04/2008 |
| 7335800 | Hydrogenation catalyst and hydrogenation method The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an α-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the α-alumina ... | 02/26/2008 |
| 7307038 | NOreduction compositions for use in FCC processes Processes for preparing a composition comprising (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth metal, and mixtures thereof, and (iii) an oxygen storage component are disclosed. Preferably, the process comprise fo... | 12/11/2007 |
| 7304013 | Metal oxide catalysts Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high surface area phase containing the catalytically active material, or ... | 12/04/2007 |
| 7294604 | Hydrogenation and dehydrogenation processes and catalysts therefor A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, ... | 11/13/2007 |
| 7270738 | Catalyst and process for hydrocracking hydrocarbon-containing feedstocks This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group V... | 09/18/2007 |
| 7268097 | Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a spe... | 09/11/2007 |
| 7256154 | Structured catalyst for POX reforming of gasoline for fuel-cell powered vehicles applications and a method of preparing the same The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for fuel-cell powered vehicles prepared by wash-coating the transition metal bas... | 08/14/2007 |
| 7253135 | Silicon-containing alumina support, a process for preparing the support and a catalyst containing the support A silicon-containing alumina support, a process for preparing the support, and a catalyst containing the support are provided. The alumina support includes an additive silicon enriched on its surface, with the difference between the atomic ratio of silicon to alumin... | 08/07/2007 |
| 7214642 | Methods of preparing active chromium/alumina catalysts via treatment with sulfate Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support... | 05/08/2007 |
| 7211539 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 05/01/2007 |
| 7205256 | Oxide material, method for preparing oxide thin film and element using said material An oxide material characterized by that it has a perovskite structure comprising an oxide represented by ABO3, (Bi2O2)2+ (Am−1BmO3m+1)2− wherein A represents one kind or two ... | 04/17/2007 |
| 7186329 | High-macropore hydroprocessing catalyst and its use The present invention pertains to a catalyst comprising 7–20 wt. % of a Group VIB metal component, calculated as trioxide on the weight of the catalyst, and 0.5 to 6 wt. % of a Group VIII metal component, calculated as oxide on the weight of the catalyst, on a por... | 03/06/2007 |
| 7132092 | Metallized mesoporous silicate and method of oxidation with the same A metallized mesoporous silicate which is obtained by (i) reacting (a) either a metal peroxide obtained by the reaction of an aqueous hydrogen peroxide solution with at least one metal or metal compound selected from the group consisting of the following 1) to 4) 1)... | 11/07/2006 |
| 7060651 | Silica-rich carrier, catalyzer for heterogeneous reactions and method for the production thereof A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the 29Si MAS NMR spectrum the state of silicon is char... | 06/13/2006 |
| 6998366 | Thin layer catalysts based on Raney alloys, and method for the production thereof Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 μm. These catalysts are prepared by vapor deposition of the appropriate metals under reduced pressure. They are ge... | 02/14/2006 |
| 6908878 | Catalyst compound for the metathesis of olefins An improved catalyst composition for the metathesis of olefins comprises at least one porous mineral carrier based on alumina, at least one compound of rhenium, molybdenum, or tungsten, and further includes silicon in an oxide form. ... | 06/21/2005 |
| 6908880 | Catalytic composition for the upgrading of hydrocarbons having boiling points within the naphtha range A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained... | 06/21/2005 |
| 6897181 | Polymerization catalyst used for producing polyolefins that have excellent combined properties The invention relates to a process for preparing a catalyst for the polymerization of olefins, which comprises: a) preparation of a finely divided silica xerogel, b) loading of the xerogel with chromium from a solu... | 05/24/2005 |
| 6881701 | Photocatalytic composition and method for preventing algae growth on building materials The present invention provides a coating composition for substrates. The coating composition of the present invention generally includes a silicate binder and a plurality of photocatalytic particles. The silicate binder functions as a bonding agent to establish the ... | 04/19/2005 |
| 6875717 | Method and system for the in situ synthesis of a combinatorial library of supported catalyst materials A method and system for the in situ synthesis of a combinatorial library including impregnating a first component with a second component. The method and system advantageously may be employed in the synthesis of materials for screening for usefulness as a catalyst. | 04/05/2005 |
| 6875722 | Silicon-containing alumina support, a process for preparing the support and a catalyst containing the support A silicon-containing alumina support, a process for preparing the support, and a catalyst containing the support are provided. The alumina support includes an additive silicon enriched on its surface, with the difference between the atomic ratio of silicon to alumin... | 04/05/2005 |
| 6870014 | Catalyst and method for producing polytetrahydrofurane The invention relates to a catalyst which contains a catalytically active quantity of at least one oxygen-containing molybdenum and/or wolfram compound on an oxidic support material and which has been calcinated at temperatures of 400 to 900° C. after the precursor... | 03/22/2005 |
| 6835686 | Catalyst system and process for rearrangement of epoxides to allylic alcohols A catalyst system comprising a primary catalyst chosen from one or more homogeneous or heterogeneous, inorganic, organic or complex metal-containing compound; and one or more phenolic activator/modifier(s). The catalyst system can be used for the preparation of ally... | 12/28/2004 |
| 6802958 | Process for producing spherical oxide particles The invention pertains to a process for preparing spherical oxide particles comprising the steps of shaping a starting material comprising an oxide hydrate into particles of substantially constant length by leading the material to a set of two rolls rotating towards... | 10/12/2004 |
| 6753292 | Silica-based photocatalyst fiber having visible-light activity and process for the production thereof A silica-based photocatalyst fiber having visible-light activity, which fiber comprises a composite oxide phase comprising an oxide phase (first phase) mainly made of a silica component and a titania phase (second phase), wherein the second phase contains a metal el... | 06/22/2004 |
| 6743748 | Catalyst for producing epoxy compounds and method of producing epoxy compounds using the same The present invention provides a catalyst capable of producing an epoxy compound in high yield and improving the utilization efficiency of the oxidizing agent as well as a method of producing an epoxy compound using that catalyst. A catalyst for producing an ... | 06/01/2004 |
| 6733657 | Hydrocracking catalyst having a unique silica-alumina substrate A hydrocarbon conversion catalyst contains at least one silica-alumina having the following characteristics: A content by weight of silica SiO2 of between 10 and 60% by weight; an Na content less than 300 ppm by weight; a total pore volume of between 0.5 ... | 05/11/2004 |
| 6734131 | Heterogeneous chromium catalysts and processes of polymerization of olefins using same A chromium containing catalyst wherein the chromium atom is in one of its higher valence states and is immobilized to a support-agglomerate composed of at least one inorganic oxide component and at least one ion-containing layered component. ... | 05/11/2004 |
| 6716938 | Polymerization catalyst systems, methods of making and uses therefor A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film applicatio... | 04/06/2004 |
| 6706660 | Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems A lean NOx catalyst and method of preparing the same is disclosed. The lean NOx catalyst includes a ceramic substrate, an oxide support material, preferably γ-alumina, deposited on the substrate and a metal promoter or dopant introduced into the oxide support mater... | 03/16/2004 |
| 6696388 | Gel catalysts and process for preparing thereof A gel composition substantially contained within the pores of a solid material for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes.... | 02/24/2004 |
| 6683022 | Method for the discontinuous thermal treatment of catalyst material Method for the discontinuous thermal treatment of catalyst material comprising the steps (a) introducing the catalyst material into a reactor, (b) heating the catalyst material, (c) thermally treating the catalyst material in the reactor at the reactor ... | 01/27/2004 |
| 6683019 | Catalyst for the metathesis of olefin(s) An olefin metathesis catalyst consists essentially of a transition metal or oxide thereof supported on a high purity silica support possessing low amounts of acidic or basic sites such that in the reaction of pure butene-1 over said catalyst under metathe... | 01/27/2004 |
| 6683024 | Desulfurization and novel sorbents for same A sorbent composition is provided which can be used in the desulfurization of a hydrocarbon-containing fluid such as cracked gasoline or diesel fuel. The sorbent composition contains a support component and a promoter component with the promoter component... | 01/27/2004 |
| 6641785 | Catalytic converter and method for cleaning exhaust gas The invention relates to a catalytic converter and a method for cleaning the exhaust gas from an internal combustion engine which is operated with excess air. The catalytic converter has an active material made from the oxides TiO2, V2 | 11/04/2003 |
| 6638890 | Modified carrier, complex oxide catalyst and process for preparation of acrylic acid A modified carrier carrying on at least a part of an inert carrier surface an oxide which is represented by the formula (1): Xa Yb Zc Od (wherein X is at least an element selected from alkaline earth metals; Y i... | 10/28/2003 |
