Class / Patent application number | Description | Number of patent applications / Date published |
502344000 | Of Group I (i.e., alkali, Ag, Au or Cu) | 21 |
20090054230 | CATALYST PRODUCTION PROCESS - A process for producing gold-based, heterogeneous catalyst systems comprises depositing fine-nanoscale gold onto a nanoparticulate support medium by physical vapor deposition in an oxidizing atmosphere. | 02-26-2009 |
20100069233 | Nanostructured titanium oxide material and its synthesis procedure - Nanomaterials of the JT phase of the titanium oxide TiO | 03-18-2010 |
20100304965 | Ceramic Articles And Methods Of Producing Ceramic Articles - A ceramic article may comprise a sintered phase ceramic composition comprising aluminum titanate (Al | 12-02-2010 |
20120289401 | METHOD FOR PRODUCING NANOPARTICLES - A method for producing nanoparticles includes: producing a nanoparticle dispersion ion gel in which a plurality of nanoparticles are dispersed; and dissolving the nanoparticle dispersion ion gel, thereby producing a liquid in which the plurality of nanoparticles are dispersed. | 11-15-2012 |
502345000 | Of copper | 1 |
502346000 | And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) | 1 |
20140302984 | HETEROGENEOUS COPPER NANOCATALYST AND MANUFACTURING METHODS THEREOF - This invention relates to a heterogeneous copper nanocatalyst composed of copper nanoparticles immobilized on a boehmite support, a method of preparing the same, and the use thereof. The copper nanocatalyst composed of the copper nanoparticles supported on boehmite exhibits excellent performance in a Huisgen cycloaddition reaction and an A3 coupling reaction of aldehyde, amine and alkyne. The copper nanocatalyst is able to be prepared in a large scale and shows superior reactivity even when used in a small amount under mild conditions without an additive in an organic reaction. This heterogeneous catalyst is easy to separate and reuse after the reaction. | 10-09-2014 |
502347000 | Of silver | 16 |
20090186756 | METAL-SUPPORTING PHOTOCATALYST AND METHOD FOR PREPARING THE SAME - A metal-supporting photocatalyst includes a metal deposit and nano-particles of a photocatalyst dispersed on the metal deposit. Preferably, the metal deposit is a metal electro-deposit. More preferably, the metal deposit has a dendritic structure. A method for preparing a metal-supporting photocatalyst, including forming a metal deposit of a supporting metal, and forming nano-particles of a photocatalyst on the metal deposit, is also disclosed. | 07-23-2009 |
20090291848 | Method for forming gold-containing catalyst with porous structure - The invention relates to a gold-containing catalyst with porous structure that is obtainable through a process that comprises the following steps: melting together of gold and at least one less noble metal that is selected from the group consisting of silver, copper, rhodium, palladium, and platinum, and at least partial removal by dissolving the at least one less noble metal out of the starting alloy thus obtained. The catalyst has high activity and great long-term stability, despite the fact that it does not contain a support material or a compound that serves as a support material. The catalyst can be used to accelerate and/or to influence the product selectivity of oxidation and reduction reactions. The catalyst is suitable, for example, for the oxidization of carbon monoxide to carbon dioxide, which makes it usable, among other things, in a fuel cell, in particular a polymer electrolyte membrane fuel cell (PEM), for protection of the anode catalyst against blocking by carbon monoxide. | 11-26-2009 |
20110152073 | EPOXIDATION PROCESS AND MICROSTRUCTURE - A method for the start-up of a process for the epoxidation of ethylene comprising: initiating an epoxidation reaction by reacting a feed gas composition containing ethylene, and oxygen, in the presence of an epoxidation catalyst at a temperature of about 180° C. to about 210° C.; adding to the feed gas composition about 0.05 ppm to about 2 ppm of moderator; increasing the first temperature to a second temperature of about 240° C. to about 250° C., over a time period of about 12 hours to about 60 hours; and maintaining the second temperature for a time period of about 50 hours to about 150 hours. | 06-23-2011 |
20110281724 | METHOD FOR MAKING A HIGHLY SELECTIVE ETHYLENE OXIDE CATALYST - A process for the preparation of a catalyst useful for the vapor phase production of ethylene oxide from ethylene and oxygen comprising providing a catalyst precursor comprising an inert support having a catalytically effective amount of a silver containing compound, a promoting amount of an alkali metal containing compound, and a promoting amount of a transition metal containing compound disposed thereon; calcining the catalyst precursor to convert the silver in the silver containing compound to metallic silver by heating the catalyst precursor to form a catalyst; and curing the catalyst in an inert gas atmosphere at temperatures of about 250° C. to about 600° C. for a period of about 1 hour to 200 hours. | 11-17-2011 |
20130303365 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic support. The pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers. The catalytic metal comprises nanocrystals. | 11-14-2013 |
20140179516 | CATALYST FOR PRODUCING ETHYLENE OXIDE, PROCESS FOR PRODUCING THE CATALYST AND PROCESS FOR PRODUCING ETHYLENE OXIDE - There is provided a catalyst for producing ethylene oxide from ethylene which is composed of at least silver (Ag), cesium (Cs), rhenium (Re) and a carrier, and can be improved, in particular, in selectivity. | 06-26-2014 |
20140323295 | METHOD OF FORMULATING ALKYLENE OXIDE CATALYST IN RELATION TO CATALYST REFERENCE PROPERTIES - Methods of preparing a second high-efficiency, rhenium-promoted silver catalyst for producing alkylene oxide from an alkylene based on a first catalyst are disclosed and described. In accordance with the disclosed methods, the first and second catalysts include at least one promoter that includes a rhenium promoter. The target catalyst concentrations of one or more promoters of the at least one promoter on the second catalyst are determined based on the values of a catalyst reference property for the two catalysts and the concentration of the one or more promoters of the at least one promoter on the first catalyst. Suitable catalyst reference properties include carrier specific surface area and silver specific surface area. Reaction systems utilizing the first and second catalysts are also described. | 10-30-2014 |
20150024930 | PROCESS FOR THE SYNTHESIS OF VISIBLE LIGHT RESPONSIVE DOPED TITANIA PHOTOCATALYSTS - Present disclosure provides a process for the synthesis of visible light responsive doped titania photocatalysts. The process involves step a) milling a mixture containing titania and a precursor compound, the compound selected from the group consisting of chloroauric acid and a mixture containing chloroauric acid and silver nitrate, in the presence of water and oxide milling media, at a temperature in the range of 20 to 50° C. for a period of 60-120 minutes, to form a slurry, wherein the amount of water is in the range of 15 to 25% by weight of the total mixture; and b) filtering the slurry to separate the oxide milling media and obtain a filtrate containing doped titania nanoparticles. | 01-22-2015 |
20150057150 | METHOD FOR MAKING A HIGHLY SELECTIVE ETHYLENE OXIDE CATALYST - A process for the preparation of a catalyst useful for the vapor phase production of ethylene oxide from ethylene and oxygen comprising providing a catalyst precursor comprising an inert support having a catalytically effective amount of a silver containing compound, a promoting amount of an alkali metal containing compound, and a promoting amount of a transition metal containing compound disposed thereon; calcining the catalyst precursor to convert the silver in the silver containing compound to metallic silver by heating the catalyst precursor to form a catalyst; and curing the catalyst in an inert gas atmosphere at temperatures of about 250° C. to about 600° C. for a period of about 1 hour to 200 hours. | 02-26-2015 |
20150290624 | HIERARCHICAL POROUS MONOLITHS AND METHODS FOR THEIR PREPARATION AND USE - Methods of forming a hierarchical porous monolith are provided. The methods include mixing a monomer, a silica precursor and a catalyst in a solvent to form a mixture. The methods also include adding a gelling agent to the mixture to form a polymer-silica composite gel. The polymer-silica composite gel undergoes a phase separation to separate from the solvent and the unreacted silica precursor. The method further includes drying the polymer-silica composite gel to evaporate the solvent to form a polymer-silica monolith and processing the polymer-silica monolith to form at least one of a polymer monolith, a carbon monolith, a silica monolith and a carbon-silica monolith. | 10-15-2015 |
20160167020 | METAL CATALYTIC COMPOSITION WITH SILVER CARBOXYLATE-TRIALKYL(TRIARYL)PHOSPHITE COMPLEX | 06-16-2016 |
502348000 | And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) | 5 |
20100093529 | CATALYST MATERIAL - In a ceramic honeycomb structure, a catalyst material used for burning soot discharged from an internal combustion engine is supported on partition walls that are inner surfaces of cells. For example, a catalyst material to be used for burning carbon includes silver and alumina as components, and the catalyst material has a dumbbell-shaped O—Ag—O structure. Thus, the ceramic honeycomb structure can burn soot at low temperature using the supported catalyst material without corroding the honeycomb structure. | 04-15-2010 |
20100099555 | METHOD OF MANUFACTURING CATALYST MATERIAL - In a method of manufacturing a catalyst material to be used for burning carbon, a hydrothermal treatment is applied to NaAlO | 04-22-2010 |
20110166015 | PROCESS FOR PREPARING CATALYST POWDER - The present invention details a process for producing a catalyst powder. The steps of the process include preparing catalyst slurry, drying, pyrolyzing, and calcining the catalyst slurry to obtain a calcined catalyst powder. The catalyst slurry comprises a catalyst, a liquid carrier, a templating agent, and a catalyst substrate. The catalyst slurry is dried to obtain a raw catalyst powder. The raw catalyst powder is heated in a first controlled atmosphere to obtain a pyrolyzed catalyst powder and the pyrolyzed catalyst powder is calcined in a second controlled atmosphere to obtain a calcined catalyst powder. A method of fabricating a catalyst surface and catalytic converter using the prepared catalyst powder is also illustrated. | 07-07-2011 |
20140187417 | CALCINATION PROCESS FOR PRODUCING AN IMPROVED ETHYLENE OXIDE CATALYST - A method for producing a catalyst effective in the oxidative conversion of ethylene to ethylene oxide, the method comprising subjecting a refractory carrier impregnated with a liquid silver-containing solution to a calcination process, wherein the calcination process comprises a solvent removal step in which the silver-impregnated carrier is heated to a base temperature (T | 07-03-2014 |
20180021755 | POROUS BODIES WITH ENHANCED PORE ARCHITECTURE | 01-25-2018 |