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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7411107 | Alkene separation process A process for the oxidation of a C2 to C4 alkane to produce the corresponding alkene and carboxylic acid which process comprises separation of the alkene from a mixture of the alkene, the alkane and oxygen by absorption in a metallic salt solut... | 08/12/2008 |
| 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 |
| 7338917 | Purification catalyst for exhaust gas A purification catalyst for exhaust gas enhances the activity for each precious metal by effectively utilizing the precious metal without incurring a high production cost, thereby improving endurance. The purification catalyst for exhaust gas comprises a composite o... | 03/04/2008 |
| 7294734 | Process for converting a hydrocarbon to an oxygenate or a nitrile This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising the hydrocarbon reactant, and oxygen or a source of oxygen, and optiona... | 11/13/2007 |
| 7265243 | Catalytic oxacylation vapor phase process This invention relates to a catalyst which comprises palladium metal as the main catalyst, tin metal or a mixture of tin and additional metals as the promoter, in combination with an alkali or alkaline earth metal compound, supported on the outer surface of a porous... | 09/04/2007 |
| 7208136 | Alcohol steam reforming catalysts and methods of alcohol steam reforming The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low c... | 04/24/2007 |
| 7202377 | Process for preparing vinyl acetate The present invention relates to a method of saturating ethylene-containing gases with acetic acid before they are fed into a vinyl acetate reactor, in which the acetic acid recovered in the vinyl acetate process is introduced into a column having a countercurrent s... | 04/10/2007 |
| 7201866 | Concrete test cylinder mold cap A method and apparatus for molding a reproducible uniform concrete test cylinder. Concrete is poured into a concrete test cylinder mold. A cap having at least one excretion hole is placed on the top portion of the concrete test cylinder mold. The cap is pressed agai... | 04/10/2007 |
| 7166742 | Fluid bed process for the acetoxylation of ethylene in the production of vinyl acetate A fluid bed process for the manufacture of vinyl acetate from ethylene, acetic acid and oxygen comprising feeding ethylene and acetic acid into a fluid bed reactor through a first inlet, introducing the oxygen into the reactor through a second inlet, co-joining the ... | 01/23/2007 |
| 7166557 | Process for the preparation of a microspheroidal catalyst Process for preparing a catalyst active for the fluid bed acetoxylation of ethylene to produce vinyl acetate. The process comprises the steps of (a) impregnating microspheroidal silica support particles by the incipient wetness technique with an aqueous solution of ... | 01/23/2007 |
| 7122707 | Method for producing an annular shell catalyst and use thereof for producing acrolein Coated catalysts which are suitable for the gas-phase catalytic oxidation of propene to acrolein are prepared by a process in which rings are used as supports and water is used as a binder. ... | 10/17/2006 |
| 7087191 | Shell metal catalyst and a precursor thereof, a process for their preparation and the use of the catalyst A process for preparing a shell metal catalyst or a precursor of a shell metal catalyst which process includes the steps of: applying a slurry having a diluent; a catalytically active metal or a precursor compound thereof; and optionally a refractory oxide; designat... | 08/08/2006 |
| 7078563 | Oxidation process for the production of alkenes and carboxylic acids A process for the oxidation of a C2 to C4 alkane to produce the corresponding alkene and carboxylic acid which process comprises contacting in an oxidation reaction zone, said alkane, molecular oxygen-containing gas, and the corresponding alken... | 07/18/2006 |
| 7053024 | Process for making a catalyst Process for preparing a supported metal catalyst composition comprising impregnating support particles having a mean diameter of greater than 300 microns with a solution of least one catalytically active metal, or precursor thereof, such that the metal, or its precu... | 05/30/2006 |
| 7030056 | Process for preparing a catalyst, the catalyst and a use of the catalyst A process for preparing a catalyst which process comprises the steps of: (a) introducing a Group 8 metal compound onto a carrier, (b) converting a first portion of the Group 8 metal compound on the carrier into met... | 04/18/2006 |
| 6987200 | Process for producing catalysts comprising nanosize metal particles on a porous support, in particular for the gas-phase oxidation of ethylene and acetic acid to give vinyl acetate The invention relates to a method for producing a catalyst containing one or several metals from the group of metals comprising the sub-groups Ib and VIIIb of the periodic table on porous support particles, characterized by a first step in which one or several precu... | 01/17/2006 |
| 6959712 | Method of making a smoking composition The present invention relates to smoking articles such as cigarettes, and in particular to catalytic systems containing metallic or carbonaceous particles that reduce the content of certain harmful or carcinogenic substances, including polyaromatic hydrocarbons, tob... | 11/01/2005 |
| 6960278 | Method of improving the properties of adhesion of a non-oxide ceramic substrate before gluing it A method of improving the properties of adhesion of a non-oxide ceramic substrate before gluing it includes the steps of irradiating the surface of the ceramic substrate using an excimer laser and applying a coupling agent to the irradiated surface. ... | 11/01/2005 |
| 6936568 | Selective hydrogenation catalyst A catalyst for selective hydrogenation of acetylene including a high surface area support material with a surface area at least about 150 m2/g and gold wherein the gold comprises from about 0.05 to about 5.0 weight percent of the catalyst and wherein the ... | 08/30/2005 |
| 6936564 | Supported catalyst consisting of metal of the platinum group and obtained by means of controlled electroless deposition The invention relates to a supported platinum group metal catalyst obtainable by controlled electroless deposition of at least one platinum group metal from a deposition solution which comprises i) at least one homogeneously dissol... | 08/30/2005 |
| 6903046 | Metal modified Pd/Ni catalysts This invention relates to improved catalytic compositions suited for use in hydrogenation processes and to an improved process for hydrogenating organic compounds as in amination of alcohols or hydrogenation of nitro groups to the amine using the catalyst. The catal... | 06/07/2005 |
| 6852877 | Process for the production of vinyl acetate A process for the production of vinyl acetate comprising contacting in a first reaction zone a gaseous feedstock comprising essentially ethane with a molecular oxygen-containing gas in the presence of a catalyst to produce a first product stream comprising acetic ac... | 02/08/2005 |
| 6825149 | Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate A shell impregnated catalyst of Pd-Au produced on a silica support to have a Pd loading of 1.8 g/L of catalyst to about 7.2 g/L and a Au to Pd weight ratio of 0.3 to 2.0 by impregnating the support with aqueous solutions of palladium and gold salts or acids and ther... | 11/30/2004 |
| 6815394 | Palladium-based catalysts A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fourth to six... | 11/09/2004 |
| 6806382 | Catalyst composition and process for making same A process for preparing a supported metal catalyst composition which comprises impregnating microspheroidal support particles with a solution of at least one catalytically active metal, or precursor, drying the impregnated support particles and then treating the mob... | 10/19/2004 |
| 6768013 | Intrinsically safe oxidation process A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation reactants are soluble in a first reaction solvent phase such as a perfluoro... | 07/27/2004 |
| 6696596 | Catalyst and method for producing vinyl acetate A process for preparing vinyl acetate in the gas phase from ethylene, acetic acid and oxygen or oxygen-containing gases over a catalyst, consisting essentially of palladium and/or its compounds, gold and/or its compounds and alkali metal compounds on a su... | 02/24/2004 |
| 6620965 | Process for vinyl acetate A process for producing vinyl acetate comprising reacting ethylene, acetic acid and oxygen together in at least partially liquid phase in the presence of a catalyst comprising a noble metal component.... | 09/16/2003 |
| 6605739 | Method for producing vinyl acetate monomer from ethane or ethylene oxidation Methods for the catalytic production of vinyl acetate monomer from ethane, ethylene or an ethanelethylene mixture using a first catalyst containing MoVNbPd, MoVLaPdbX (where X is Al, Ga, Ge or Si) or MoVNbX (where X is P, B, Hf, Te, As or mixtures thereof... | 08/12/2003 |
| 6548697 | Oxidation process for the production of alkenes and carboxylic acids A process for the oxidation of a C2 to C4 alkane to produce the corresponding alkene and carboxylic acid which process comprises contacting in an oxidation reaction zone, said alkane, molecular oxygen-containing gas, and optionally, ... | 04/15/2003 |
| 6534672 | Fluid bed vinyl acetate catalyst A catalytically active material useful to prepare vinyl acetate monomer from ethylene, acetic acid, and an oxygen-containing gas under fluid bed conditions comprises a porous microspheroidal support containing catalytically active palladium crystallites f... | 03/18/2003 |
| 6528679 | Process for producing phenyl esters using palladium-based catalysts A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fo... | 03/04/2003 |
| 6472556 | Catalyst and use thereof in the production of vinyl acetate A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the prod... | 10/29/2002 |
| 6448432 | Process for the production of vinyl acetate A process for the fluid bed production of vinyl acetate which comprises reacting ethylene, acetic acid and an oxygen-containing gas in a fluid bed reactor at elevated temperature in the presence of a fluidised bed of catalyst, in which process, catalyst i... | 09/10/2002 |
| 6420595 | Process control for vinyl acetate manufacture A method of real time process control in a reaction system for the production of vinyl acetate from the oxidation of ethylene and acetic acid. Reaction system samples are collected from the reactor vessel feed and/or effluent and/or from columns and/or tr... | 07/16/2002 |
| 6420308 | Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate A shell impregnated catalyst of Pd--Au produced on a silica support to have a Pd loading of 1.8 g/L of catalyst to about 7.2 g/L and a Au to Pd weight ratio of 0.3 to 2.0 by impregnating the support with aqueous solutions of palladium and gold salts or ac... | 07/16/2002 |
| 6407283 | Process for the production of vinyl acetate A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a pallad... | 06/18/2002 |
| 6399813 | Process for the preparation of fluid bed vinyl acetate catalyst A process for the preparation of a fluid bed vinyl acetate (VAM) catalyst comprising impregnating a support comprising a mixture of substantially inert microspheroidal particles with a solution comprising a metal salt of Pd and M, wherein M comprises Ba, ... | 06/04/2002 |
| 6376706 | Catalyst and use thereof in the production of vinyl acetate A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the prod... | 04/23/2002 |
| 6350901 | Process for the production of vinyl acetate In a process for production of vinyl acetate in which ethylene, liquid acetic acid and an oxygen-containing gas are fed to a fluid bed reactor containing a catalyst comprising a Group VIII metal, a promoter and a co-promoter, stickiness of the catalyst is... | 02/26/2002 |
