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| Number | Title | Issue Date |
| 7365041 | Method for producing ammoxidation catalyst An ammoxidation catalyst comprising a molybdenum (component (1)), bismuth (component (2)), at least one element selected from the group consisting of nickel, cobalt, zinc, magnesium, manganese and copper (component (3)) and at least one element selected from the gro... | 04/29/2008 |
| 7348293 | Homogeneous modified-alumina Fischer-Tropsch catalyst supports A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broad... | 03/25/2008 |
| 7326819 | High-activity 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 of... | 02/05/2008 |
| 7232788 | Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount... | 06/19/2007 |
| 7157401 | Catalyst for the treatment of organic compounds A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals an... | 01/02/2007 |
| 7108804 | Supported nickel catalyst for synthesis gas preparation In one aspect, the invention provides a catalyst for the production of synthesis gas, the catalyst comprising a) from about 0.1 to about 1.3% by weight of nickel that is supported on modified support, and b) a promoting agent. The catalyst can also comprise a disper... | 09/19/2006 |
| 7098162 | Catalysts for deep catalytic cracking of petroleum naphthas and other hydrocarbon feedstocks for the selective production of light olefins and method of making thereof Provided herein are monocomponent and hybrid catalyst compositions for use in steam-cracking of hydrocarbon feeds to selectively produce light olefins. The catalyst compositions being characterized by a first catalytic component comprising oxides of aluminum, silico... | 08/29/2006 |
| 7045483 | Catalyst element A catalyst body is obtained by loading, on a carrier, a catalyst layer containing an alkali metal and/or an alkaline earth metal, wherein at least one kind of alkali metal and/or alkaline earth metal is allowed to be present in the carrier and/or between the carrier... | 05/16/2006 |
| 7045482 | Method for preparing a heteropolyacid catalyst from basic solvent treatments and method for preparing methacrylic acid using thererof The present invention relates to a method for preparing a heteropolyacid catalyst and method for preparing methacrylic acid using thereof. More particularly, the present invention relates to a method for preparing heteropolyacid catalyst, which is produced by the re... | 05/16/2006 |
| 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 |
| 7041622 | Catalyst, an exhaust emission control device and a method of using the same Disclosed is a catalyst, an emission control device, and a method for treating exhaust gas. In one embodiment, the catalyst comprises: a catalytic metal component and a macro-pore component. The macro-pore component comprises an oxygen storage component and an alumi... | 05/09/2006 |
| 7022889 | Isomerization process using novel catalyst A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 04/04/2006 |
| 7015175 | High-activity 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 of... | 03/21/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6956006 | Modified titanium dioxide and a method for its preparation The invention relates to a composite material comprising silicon and titanium dioxide characterized by an enhanced thermal and hydrothermal stability of the pore structure. The composite is obtainable by precipitating titanium hydroxide from an aqueous solution cont... | 10/18/2005 |
| 6927188 | High-activity 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 of... | 08/09/2005 |
| 6919294 | Method for preparing hydrogenation purification catalyst A method for producing a hydrorefining catalyst is used to produce the hydrorefining catalyst which contains an inorganic oxide carrier and a hydrogenation-active metal and which has such a bimodal pore characteristic that pores having pore diameters of not more tha... | 07/19/2005 |
| 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 |
| 6610629 | Process for producing an oxide catalyst for oxidation or ammoxidation Disclosed is a process for producing an oxide catalyst comprising, as component elements, molybdenum (Mo), vanadium (V), at least one element selected from the group consisting of the two elements of antimony (Sb) and tellurium (Te), and niobium (Nb), whe... | 08/26/2003 |
| 6562752 | Metallic sulphide catalysts, processes for synthesising said catalysts and use thereof A catalyst containing a sulfide phase comprising (a) sulfur (b) and at least one element A selected form group IIIB, including the lanthanides and actinides, group IVB and group VB, and optionally (c) at least one element B selected from group VIIB and gr... | 05/13/2003 |
| 6509289 | Hydrodealkylation process and catalyst composition A catalyst composition and a process for hydrodealkylating a C9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C6 to C8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises ... | 01/21/2003 |
| 6497849 | Synthesis of heteropolyacids This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic solvent, characteri... | 12/24/2002 |
| 6432867 | Process for sulfurizing catalysts in a reducing medium Sulfided catalysts produced by sulfurizing supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB and group VB, wherein the catalyst is brought into contact with at least one source... | 08/13/2002 |
| 6316382 | Process for sulphurizing catalysts by reduction followed by sulphurization The invention concerns a process for sulphurizing supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB, group VB and group VIB, said process being characterized in that said catal... | 11/13/2001 |
| 6242378 | Process for sulphurizing catalysts in the presence of carbon and elemental sulphur The invention concerns a process for sulphurising supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB and group VB, said process being characterized in that said catalyst is sulp... | 06/05/2001 |
| 6231750 | Hydrocracking catalyst comprising a beta zeolite and a group VB element The invention provides a hydrocracking catalyst comprising at least one mineral matrix, at least one beta zeolite, at least one group VB element or at least one mixed sulphide phase comprising sulphur, optionally at least one group VIB or group VIII eleme... | 05/15/2001 |
| 6149799 | Catalyst compromising a mixed sulphide and its use for hydrorefining and hydroconverting hydrocarbons The invention concerns a catalyst for hydrorefining and hydroconverting hydrocarbon feeds, comprising a mixed sulphide comprising at least two elements selected from elements with an atomic number selected from the group formed by the following numbers: 3... | 11/21/2000 |
| 6090745 | Process for preparing water-treatment catalysts The invention provides a method for preparing catalysts, containing metals of groups VI and VIII on a carrier. The metals of groups VI and VIII metals are introduced in the form of a compound of formula Mx A B12 O40 in whi... | 07/18/2000 |
| 6051528 | Amorphous alloy catalyst containing phosphorus, its preparation and use An amorphous alloy catalyst containing nickel and phosphorus comprising a porous carrier, a Ni--P amorphous alloy supported on the carrier, and a pre-supported catalytic component for inducing and catalyzing the formation of the Ni--P amorphous alloy onto... | 04/18/2000 |
| 6034027 | Borabenzene based olefin polymerization catalysts containing a group 3-10 metal Disclosed is a catalyst having the general formula ##STR1## where Q is a ligand containing the ring ##STR2## R is hydrogen, N(R')2, OR', or R', each R' is independently selected from alkyl from C1 to C10, aryl fr... | 03/07/2000 |
| 6013597 | Catalysts for the oxidation of ethane to acetic acid processes of making same and, processes of using same An oxide catalyst comprising the elements Mo, V and Nb with small amounts of phosphorus, boron, hafnium, Te and/or As. The modified catalyst provides both higher selectivity and yield of acetic acid in the low temperature oxidation of ethane with molecula... | 01/11/2000 |
| 5948243 | Catalyst comprising aluminum borate and zirconium borate and use thereof in a hydrotreating process A composition comprises a hydrodesulfurization or hydrodenitrogenation, or both, catalyst component and a support component which comprises aluminum, zirconium, and a borate. A process for making the composition comprises the steps of (1) contacting an al... | 09/07/1999 |
| 5851946 | Coordination catalyst systems comprising intramolecularly stabilized organometallic compounds The invention relates to the use of intramolecularly stabilized organometallic compounds as components in coordination catalyst systems, corresponding coordination catalyst systems and processes for the preparation of polymers by coordination polymerizati... | 12/22/1998 |
| 5817593 | Catalyst and process for producing amines This invention includes catalysts comprising rhenium (atomic number 75), nickel, cobalt, boron and copper and/or ruthenium impregnated on a support material and a process for preparing said catalyst, said process comprising (i) impregnating a mixture of m... | 10/06/1998 |
| 5609750 | Boron-containing catalyst A catalyst composition for converting hydrocarbons in a hydrotreatment process (hydrodesulfurization and/or hydrodenitrogenization) and simultaneously cracking them, containing an alumina-silica-alumina carrier built up from alumina and silica-alumina, on... | 03/11/1997 |
| 5494875 | Alumina-containing carrier and hydrofining catalyst for hydrocarbon oils A carrier suitable for preparing a catalyst for hydrofining hydrocarbon oils which has a high ability to eliminate metals contained in the hydrocarbon oils and an improved metal tolerance as well as said catalyst are provided. The carrier of the present i... | 02/27/1996 |
| 5438028 | Method of enhancing finished catalysts A method of enhancing the activity of a catalyst for the hydroprocessing of hydrocarbons, comprising: (a) applying a modifying element dissolved in a solvent onto the surface of a finished catalyst; (b) drying said modified finished catalyst to remove all free... | 08/01/1995 |
| 5422326 | Process for preparing a catalyst for producing methacrylic acid When a catalyst for producing methacrylic acid is prepared by shaping a catalyst component represented by the general formula Pa Mob Vc Xd Ye Zf Og wherein P, Mo, V, X, Y, Z, a, b, ... | 06/06/1995 |
| 5366945 | Supported heteropoly acid catalysts There is provided a catalyst comprising a heteropoly acid, such as phosphotungstic acid, supported on a mesoporous crystalline material, such as M41S. A particular form of this M41S support is designated as MCM-41. There is also provided a method for prep... | 11/22/1994 |
| 5364825 | Multimetal oxide compositions and process of preparing same Multimetal oxide compositions of the formula I [X1a X2b Ox ]p [X3c X4d X5e X6f X7g X... | 11/15/1994 |
