Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6956008 | Storage-reduction type NOx purifying catalyst A storage-reduction type NOx purifying catalyst includes a monolith substrate having formed thereon a coat layer containing a cerium-zirconium composite oxide and a cerium-free oxide, a noble metal and an NOx storing material being supported on... | 10/18/2005 |
| 6933417 | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is only partially recovered from the... | 08/23/2005 |
| 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 |
| 6916761 | Polymer-supported Lewis acid catalyst In order to provide a novel Lewis acid catalyst, which shows high reaction activity in aqueous medium, is easily recovered, and is excellent in reusability, a Lewis acid group expressed by the general formula (I): MXn (I) (wherein... | 07/12/2005 |
| 6909024 | Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process This invention is a process for producing vinyl chloride from an ethylene-containing feed, oxygen, and a chlorine source in the presence of a catalyst. The process permits direct production of vinyl chloride in a single reactor system, and further permits ethane to ... | 06/21/2005 |
| 6858562 | Catalyst for decomposing organic harmful substances and method for decomposing organic halides by use thereof A catalyst of a water insoluble vanadyl sulfate or a complex catalyst, in which a specific oxide and a specific sulfate are combined to the water insoluble vanadyl sulfate are excellent not only in their activity, durability and SO2 resistance, not only i... | 02/22/2005 |
| 6858560 | Ethylene oxide catalyst An ethylene oxide catalyst is provided which is essentially transition metal and rhenium free and which consists essentially of silver, alkali metal, sulfur and boron components on a support such as alumina, optionally with a fluorine or chlorine component. ... | 02/22/2005 |
| 6855661 | Catalyst for purification of diesel engine exhaust gas This invention provides a new catalyst for purification of diesel engine exhaust gas comprising a carrier of at least one sulfur-resistant refractory oxide and at least one catalytic metal, wherein at least one solid acid and/or sulfuric acid is carried on the carri... | 02/15/2005 |
| 6762311 | Ethylene oxide catalyst A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of critical amounts of an alkali metal component and a sulfur component, the catalyst being essentially free of rhenium and transition metal component... | 07/13/2004 |
| 6737380 | Solid acid catalyst, production method thereof, and method for hydrodesulfurizing and isomerizing light hydrocarbon oil using the same A process for producing a solid acid catalyst, which comprises: adding a pseudoboehmite as a binder to a sulfated zirconium hydroxide, followed by kneading with an aqueous solution containing at least one metal of the Group VIII, or loading at least one metal of the... | 05/18/2004 |
| 6706659 | 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... | 03/16/2004 |
| 6673739 | Catalyst for CO shift reaction A practical catalyst exhibiting especially high CO shift reaction activity in a low temperature region where CO is favorably converted to H2 in equilibrium includes a carrier which is composed of titania as a main component, a noble metal which... | 01/06/2004 |
| 6673326 | Catalytic processes for the reduction of perfluorinated compounds and hydrofluorocarbons A process for reducing perfluorinated compounds and/or hydrofluorocarbon compounds in a sample uses a catalyst made from aluminum oxide (Al2 O3), and one or more enhancers selected from the group consisting of nickel, cobalt, and sul... | 01/06/2004 |
| 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 |
| 6562749 | Process for the preparation of a catalyst or catalyst precursor A process for the preparation of a ceramic foam supporting one or more catalytically active components or precursors thereof, which component is active in a form other than an inorganic oxide, the process comprising impregnation of the foam with an impreg... | 05/13/2003 |
| 6495733 | Superacid catalyst for the hydroisomerization of n-paraffins A superacid catalyst comprising: zirconium oxide on whose surface sulfate groups are present, in a quality corresponding to total coverage of the surface of the zirconium oxide by means of a monolayer of these sulfate groups, optionally containing a noble... | 12/17/2002 |
| 6492296 | Two-step process for sulfiding a catalyst containing an S-containing additive The present invention pertains to a process for sulfiding a catalyst composition comprising at least one hydrogenation metal component of Group VI and/or Group VIII of the Periodic Table, and an S-containing organic additive wherein the catalyst compositi... | 12/10/2002 |
| 6448198 | Acid catalyst with a sulfated zirconia base and its uses The invention relates to an acid catalyst containing a substantial quantity of supported or mass sulfated zirconia and at least one hydrogenating transition metal. This catalyst is characterized by the fact that the sulfated zirconia is in crystallized fo... | 09/10/2002 |
| 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 |
| 6417134 | Ex-situ presulfuration in the presence of hydrocarbon molecule The invention relates to a process for the ex-situ presulfuration of a catalyst for the hydroconversion of hydrocarbons in the presence of hydrogen and of at least one sulfurated compound. It is characterized in that the catalyst is also brought into cont... | 07/09/2002 |
| 6380448 | Method for recovering styrene monomer from polystyrene resin by using a catalyst The present invention relates to a method for recovering styrene monomers from polystyrene resins by using sulfate as a catalyst. The present invention makes possible to thermally decompose polystyrene resins at comparatively low temperatures, and to redu... | 04/30/2002 |
| 6326328 | Solid acid catalyst and process for preparing the same The present invention relates to a shaped solid acid catalyst for the isomerization of hydrocarbons and so on, which has a high activity and is excellent in strength and easily handleable, and processes for the preparation thereof. This catalyst comprises... | 12/04/2001 |
| 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 |
| 6288006 | Method for pre-sulphurization of catalysts For the presulphurization of catalysts based on metal oxides, intended especially for the hydrotreating of hydrocarbon feedstocks, at least one tertiary mercaptan (for example tert-dodecyl mercaptan) is employed as sulphurizing agent. This tertiary mercap... | 09/11/2001 |
| 6261989 | Catalytic converter for cleaning exhaust gas A catalytic converter for cleaning exhaust gas includes a heat-resistant support, and a catalytic coating formed on the heat-resistant support. The catalytic coating contains Pd-carrying particles of a cerium complex oxide, Pt & Rh-carrying particles of z... | 07/17/2001 |
| 6242167 | Developer for use with carbonless copy paper and photo imaging systems An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo-imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an ac... | 06/05/2001 |
| 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 |
| 6214307 | Exhaust gas purifying catalyst and exhaust gas purifying method An exhaust-gas-purifying catalyst is made by depositing on a support iridium serving as a catalyst active substance, sulfur for improving the catalyst activity of iridium and, if necessary, platinum. The sulfur is preferably contained as a sulfate. The ex... | 04/10/2001 |
| 6180556 | Solid superacid catalysts for the isomerization of hydrocarbons and sol-gel process for their production Solid superacid catalysts, in the form of spheres or microspheres, consisting of a mixed sulfated oxide of zirconium and of at least one other element selected from those of group 3, group 4, group 5, group 6, group 7, group 8 group 9, group 10, group 11,... | 01/30/2001 |
| 6180555 | Acid catalyst with a sulfated zirconia base and its uses The invention relates to an acid catalyst containing a substantial quantity of supported or mass sulfated zirconia and at least one hydrogenating transition metal. This catalyst is characterized by the fact that the sulfated zirconia is in crystallized fo... | 01/30/2001 |
| 6177596 | Highly acidic microporous synergistic solid catalyst and its applications An active highly acidic microporous solid catalyst comprising sulphated metal oxide and at least one of carbon molecular sieve and/or heteropoly acid and having pore volume in the range of 0.1-0.2 m3 /g and pore size distribution in the range o... | 01/23/2001 |
| 6150299 | Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification Mixed oxides excellent in thermal stability of specific surface area and in oxidation-reduction performance are provided on an industrial scale. Catalyst materials useful in exhaust gas purification are also provided. The invention is concerned with mixed... | 11/21/2000 |
| 6139723 | Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds A highly dispersed iron-based ionic liquid or liquid-gel catalyst which may be anion-modified and metals-promoted has high catalytic activity, and is useful for hydrocracking/hydrogenation reactions for carbonaceous feed materials. The catalyst is produce... | 10/31/2000 |
| 6127309 | Catalyst for use in the alkylation of isoalkanes A catalyst useful for the alkylation of isoalkanes is disclosed along with a process therefor the same. The catalyst comprises a zirconium halide and at least one member of the group consisting of sulfate basic sulfate, copper halide, copper nitrate and c... | 10/03/2000 |
| 6110860 | Catalyst for purifying exhaust gas, process for production thereof, exhaust gas purifying filter, and exhaust gas purifying apparatus A catalyst for exhaust gas purification characterized by high catalytic activity, heat resistance, and toxin resistance includes a metal oxide and at least one alkali metal sulfate or at least one alkaline earth metal sulfate. The process for producing th... | 08/29/2000 |
| 6054408 | Catalyst for reducing the nitrogen oxide concentration in a flowing medium and method for producing the catalyst An SCR catalyst containing titanium, molybdenum and vanadium has the particular characteristic that its catalytic activity is significantly less than that of a tungsten-containing catalyst. That disadvantage has been compensated for in the past by using a... | 04/25/2000 |
| 6037303 | Superacid catalyst for the hydroisomerization of n-paraffins and process for its preparation A superacid catalyst comprising zirconium oxide having a purely tetragonal crystalline phase structure and whose surface has sulfate groups thereon in a quantity corresponding to the total coverage of the surface of the zirconium oxide by a monolayer of s... | 03/14/2000 |
| 6024933 | Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst The invention relates to a process for the direct oxidation of sulphur compounds into elemental sulphur and/or into sulphates at a temperature below 200° C., in which a supported catalyst whose catalytically active phase comprises copper is used, the cop... | 02/15/2000 |
| 5972824 | Catalyst, process for producing the catalyst and process for preparing vinyl acetate using the catalyst A process for the production of a catalyst for preparing vinyl acetate in the gas phase from ethylene, acetic acid and oxygen or oxygen-containing gases which catalyst comprises palladium and/or its compounds, gold and/or its compounds and also alkali met... | 10/26/1999 |
| 5958824 | Ethylene oxide catalyst A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, and a lanthanide component, the catalyst being essentially free of rhenium and transition... | 09/28/1999 |
