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| Number | Title | Issue Date |
| 7776780 | Catalysts for oxidation of mercury in flue gas Two new classes of catalysts for the removal of heavy metal contaminants, especially mercury (Hg) from effluent gases. Both of these classes of catalysts are excellent absorbers of HCl and Cl2 present in effluent gases. This adsorption of oxidizing agents... | 08/17/2010 |
| 7396797 | Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell A method for producing a catalyst for a fuel cell is provided which is capable of improving output characteristics of the fuel cell. Metal fine particles making up the catalyst for the fuel cell to be used as a fuel electrode and air electrode are formed by reducing... | 07/08/2008 |
| 7357909 | Process for producing hydrogen peroxide A process for producing hydrogen peroxide from hydrogen and oxygen in the presence of a noble metal and a cationic polymer comprising a halogen-containing anion is disclosed. The cationic polymer improves hydrogen peroxide yield, and it can be easily recycled. ... | 04/15/2008 |
| 7312174 | Method for preparing highly loaded, highly dispersed platinum metal on a carbon substrate The invention is directed to a simple method for preparing highly dispersed, highly loaded platinum metal elements on various carbon substrates, including conductive carbon black, which is utilized in fuel cell electrodes. Utilizing carbon with a controlled point of... | 12/25/2007 |
| 7271120 | Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and prepared by equal-volume spraying and impregnating method is disclosed.... | 09/18/2007 |
| 7192562 | Hydrogen-oxygen mixer-sparger An apparatus is disclosed for the generation of hydrogen peroxide. The apparatus provides for the production of a large scale volume of hydrogen peroxide by the generation of a liquid bearing bubble cloud. The bubbles are generated with a tiny volume before flowing ... | 03/20/2007 |
| 7172990 | Highly active spherical metal support catalysts The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides and at least one metal compound which is dropped into a metal salt sol... | 02/06/2007 |
| 7115221 | Method for producing graphite powder with an increased bulk density A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for... | 10/03/2006 |
| 7115192 | Apparatus and process for the synthesis of hydrogen peroxide directly from hydrogen and oxygen A device is disclosed for the generation of hydrogen peroxide. The device produces hydrogen peroxide on an as-needed basis through the use of electrolysis of water, remixing hydrogen and oxygen in an appropriate ratio, and reacting the hydrogen and oxygen in water i... | 10/03/2006 |
| 7087548 | Preparation and use of a heterogeneous rhodium catalyst for the hydrogenation of a double bond of an α-β-unsaturated carbonyl compound A process for preparing an Rh-based catalytic system heterogenized on an organic or mineral support, characterized in that: a) a rhodium derivative with a valency state>0 is reduced in an ether or aromatic solvent and in the presence of a compound chosen from the gr... | 08/08/2006 |
| 6992038 | Zinc chloride-loaded support and method for producing the same The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous solution of zinc chloride. The problems include environmental destruction c... | 01/31/2006 |
| 6903045 | Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective amount of platinum and tin associated with a solid catalyst support mat... | 06/07/2005 |
| 6841509 | Carbon nanocapsule supported catalysts A carbon nanocapsule supported catalysts. At least one kind of catalytic metal particle is deposited to a carbon nanocapsule, wherein the carbon nanocapsule has the following formula: F(−M)n, in which F is the carbon nanocapsule, M is the catalytic metal particle,... | 01/11/2005 |
| 6777368 | Molten-salt type catalyst A molten-salt type catalyst is adapted for purifying particulate materials, which are contained in an exhaust gas emitted from an internal combustion engine and contain carbon. It includes a solid support and a catalytic ingredient. The catalytic ingredient is loade... | 08/17/2004 |
| 6689613 | Method for preparing and screening catalysts A combinatorial method is provided for the preparation and screening of heterogeneous catalysts. The method comprises the steps of: (I) providing a library of elemental catalysts; (II) reacting the catalysts with a carbon source to form product directly o... | 02/10/2004 |
| 6645902 | Adsorbent having capability of decomposing organic halogen compounds and method for producing the same An adsorbent and process for producing an absorbent capable of decomposing an organic halogen compound, is provided. The adsorbent can adsorb organic halogen compounds contained in waste gases and can assuredly decompose them without synthesizing them. A ... | 11/11/2003 |
| 6548444 | Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols A carbonylation catalyst useful for producing esters and carboxylic acids from reactants including lower alkyl alcohols, lower alkyl alcohol generating compounds, such as ether and ester derivatives of the alcohols, and mixtures thereof in a vapor phase c... | 04/15/2003 |
| 6537944 | Tungsten promoted catalyst for carbonylation of lower alkyl alcohols A solid carbonylation catalyst useful for producing esters and carboxylic acids from reactants including lower alkyl alcohols and lower alkyl alcohol producing compositions in a vapor phase carbonylation process wherein the catalyst includes a catalytical... | 03/25/2003 |
| 6518217 | Method of preparing of nanometer electrocatalyst for proton exchange membrane fuel cell The present invention relates a method for preparing nanometer electrocatalyst for proton exchange membrane fuel cells, comprising the steps of: 1) adding in water a platinum halogen compound or a mixture of a platinum halogen compound and a ruthenium hal... | 02/11/2003 |
| 6432866 | Rigid porous carbon structures, methods of making, methods of using and products containing same This invention relates to rigid porous carbon structures and to methods of making same. The rigid porous structures have a high surface area which are substantially free of micropores. Methods for improving the rigidity of the carbon structures include ca... | 08/13/2002 |
| 6177380 | Iridium-gold carbonylation co-catalysts A carbon supported solid catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce carboxylic acid, esters and mixtures thereof. The solid supported cata... | 01/23/2001 |
| 6127585 | Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use Processes are disclosed for decreasing the chlorine to carbon ratio for halogenated hydrocarbons containing chlorine and from 1 to 6 carbon atoms, in the presence of a multiphase catalyst. The processes each involve (1) preparing a single phase solid cata... | 10/03/2000 |
| 6074985 | Fluorination catalysts A supported Lewis acid catalyst such as antimony V on a fluorine-treated moisture-free activated carbon support is provided, as are fluorination processes using such a catalyst.... | 06/13/2000 |
| 6037298 | Continuous catalytic process for preparation of organic carbonates A particularly useful process of contacting a feedstream containing dioxygen, carbon monoxide, ether, and alkanol which can be vaporized under conditions of reaction, with a blend of catalysts which are heterogeneous to the feedstream, under conditions of... | 03/14/2000 |
| 6037479 | Chiral diarsine compounds Novel, chiral diarsine compounds, which are present in the (R)- or (S)- or (rac)-form, of the formula ##STR1## wherein R signifies an optionally substituted aryl from the group of phenyI, naphthyl, furyl and thienyl; C3-8 -cycloalkyl or C | 03/14/2000 |
| 5952258 | Process for the preparation of pyridine using zeolite catalysts Disclosed is a process for the preparation of pyridine bases by a reaction of an aliphatic aldehyde and/or ketone with ammonia under gaseous phase using a specified catalyst in which a specified metal or combined metals are carried in or onto specified ze... | 09/14/1999 |
| 5925588 | Production of hydrogen peroxide The invention relates to hydrogen peroxide manufacture, and catalyst therefor, by direct oxidation of hydrogen with oxygen in an acidic aqueous medium. The catalyst includes a Group VIII metal on a partially hydrophobic, partially hydrophillic support, su... | 07/20/1999 |
| 5846898 | Production of hydrogen peroxide The invention relates to hydrogen peroxide manufacture, and catalyst therefor, by direct oxidation of hydrogen with oxygen in an acidic aqueous medium. The catalyst includes a Group VIII metal on a partially hydrophobic, partially hydrophilic support, suc... | 12/08/1998 |
| 5629462 | Hydrodehalogenation catalysts and their preparation and use A carbon-supported metal hydrodehalogenation catalyst is disclosed which is prepared by impregnating a carbon support having an ash content of less than about 0.2% by weight (based on the weight of said support) with a combination of metals consisting ess... | 05/13/1997 |
| 5612272 | Method of producing an active composite The invention relates to a method for producing an active composite consisting of a compressed support and an active agent. The compressed support comprises a porous support which is chemically inert and is a good thermal conductor, so as to allow complet... | 03/18/1997 |
| 5512528 | Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same The present invention relates to a novel catalyst having a stable catalytic activity for catalyzing the reaction of an alcohol with carbon monoxide and oxygen to produce carbonic acid esters (i.e., carbonate), and also the present invention relates to a m... | 04/30/1996 |
| 5480851 | Process of preparing catalyst supporting highly dispersed metal particles Disclosed herein is a process of preparing a catalyst having narrow particle size distribution and supported with monodispersed metal particles of which a particle size is about less than 20 Å. In the present invention, propargyl alcohol is employed in p... | 01/02/1996 |
| 5474963 | Catalyst for dimerizing -olefin monomer A catalyst for dimerizing a lower -olefin monomer with an enhanced selectivity comprises a carrier comprising at least one anhydrous potassium compound, preferably a mixture of potassium fluoride with potassium carbonate, and a carbon material; and... | 12/12/1995 |
| 5372619 | Method for storing methane using a halogenating agent treated activated carbon A halogenated or sulfonated active carbon which has a high storage capacity for methane is provided from selected halogens in elemental form or solutions of such halogens or from solutions of sulfuric acid, fuming sulfuric acid, sulfur trioxide.... | 12/13/1994 |
| 5346876 | Air purifying agent and a process for producing same An air purifying agent comprising a carbonaceous carrier and activated manganese dioxide and iodate supported thereon. According to the present invention, there can be provided an air purifying agent which is safe to handle and exhibits sufficient effect ... | 09/13/1994 |
| 5338531 | Production of hydrogen peroxide The invention relates to hydrogen peroxide manufacture, and catalyst therefor, by direct oxidation of hydrogen with oxygen in an acidic aqueous medium. The catalyst includes a Group VIII metal on a partially hydrophobic, partially hydrophilic support, suc... | 08/16/1994 |
| 5258571 | Separations using highly dispersed cuprous compositions The present invention is directed to a process for adsorptive separation of carbon monoxide or olefins from gas mixtures using adsorbents, which comprise cuprous compounds dispersed on amorphous oxide or carbon macroporous supports. The compositions are p... | 11/02/1993 |
| 5246903 | Process and catalyst for the dehydrohalogenation of halogenated hydrocarbons or alkylene halohydrins An unsaturated halohydrocarbon such as vinylidene chloride is produced by the dehydrohalogenation of haloalkanes such as 1,1,1-trichloroethane or 1,1,2-trichloroethane, by contacting the haloalkane with a Group IA metal halide and a Group IIA or IIB metal... | 09/21/1993 |
| 5202301 | Product/process/application for removal of mercury from liquid hydrocarbon Impregnated carbon adsorbents for the removal of mercury from liquid hydrocarbons are used in a variety of applications. The activated carbon impregnated adsorbents in the present invention remain effective in removing mercury. Generally, these activated ... | 04/13/1993 |
| 5192735 | Preparation of low chromium active charcoal by freeze drying impregnated charcoal Activated charcoal, or ASC whetlerite charcoal for use in providing protection against chemical warfare agents, contains chromium VI, which is a known carcinogen, as well as other metal impregnants. Thus disposal of the charcoal can present problems. The ... | 03/09/1993 |
