Class / Patent application number | Description | Number of patent applications / Date published |
502258000 | Of Group VIII (i.e., iron or platinum group) | 24 |
20100210456 | Catalytic Materials for Fabricating Nanostructures - Nano-catalysts that have utility for forming nanostructures and manufacturing nanomaterials are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. Methods of forming the nano-catalysts are disclosed. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate. | 08-19-2010 |
20110275512 | METHOD OF ACTIVATING A FISCHER-TROPSCH CATALYST - This invention relates to the field of Fischer-Tropsch catalysis, in particular to activation of a Fischer-Tropsch catalyst. More particularly the invention relates to a method of activating an iron based Fischer-Tropsch catalyst which includes iron in a positive oxidation state by contacting in a reactor said iron based catalyst with a reducing gas selected from the group consisting of CO and a combination of H | 11-10-2011 |
502259000 | Nickel | 5 |
20090305881 | METAL NITRATE CONVERSION METHOD - A method for converting a supported metal nitrate into the corresponding supported metal comprises heating the metal nitrate to effect its decomposition under a gas mixture that contains nitric oxide and has an oxygen content of <5% by volume. The method provides very highly dispersed metal oxide on the support material. The metal oxide is useful as a catalyst or as a catalyst precursor. | 12-10-2009 |
20100099553 | METAL NITRATE CONVERSION METHOD - A method for converting a supported metal nitrate into the corresponding supported metal oxide comprises heating the metal nitrate to effect its decomposition under a gas mixture that contains nitrous oxide and has an oxygen content of <5% by volume. The method provides very highly dispersed metal oxide on the support material. The metal oxide is useful as a catalyst or as a catalyst precursor. | 04-22-2010 |
20100210457 | Method of Producing Catalytic Materials for Fabricating Nanostructures - Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate. | 08-19-2010 |
20130065751 | IMPLANTATION OF NI NANO DOMAINS IN REFRACTORY METAL OXIDE SUPPORT BY MEANS OF SOL-GEL ENCAPSULATION - AN EFFECTIVE SOLUTION TO COKE FORMATION IN THE PARTIAL OXIDATION OF NATURAL GAS - A metal oxide-supported nickel catalyst includes a matrix containing a metal oxide and catalytic sites distributed throughout the matrix and having an intricate interface with the matrix, in which the catalytic sites are selected from the group consisting of nano-nickel(0) domains and nano-nickel(0)-A(0) alloy domains. Also disclosed are a method for preparing this catalyst and a method for using it to produce carbon monoxide and hydrogen by partial oxidation of a C | 03-14-2013 |
20130130894 | Method Of Producing Catalytic Material For Fabricating Nanostructures - Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate. | 05-23-2013 |
502260000 | Cobalt | 4 |
20100160156 | CATALYST ACTIVATION IN FISCHER-TROPSCH PROCESSES - A system for activating Fischer-Tropsch catalyst comprising a reactor having a reactor outlet for overhead gas and operable under suitable conditions whereby a catalyst in a volume of liquid carrier comprising Fischer-Tropsch diesel, hydrocracking recycle oil, or a combination thereof may be activated in the presence of an activation gas; a condenser comprising an inlet fluidly connected to the reactor outlet for overhead gas and comprising a condenser outlet for condensed liquids; and a separation unit comprising an inlet fluidly connected to the condenser outlet and a separator outlet for a stream comprising primarily Fischer-Tropsch diesel; and a recycle line fluidly connecting the separator outlet, a hydrocracking unit, or both to the reactor, whereby Fischer-Tropsch diesel recovered from the reactor overhead gas, hydrocracking recycle oil, or a combination thereof may serve as liquid carrier for catalyst in the reactor. A method for activating Fischer-Tropsch catalyst is also provided. | 06-24-2010 |
20110301024 | PROCESS FOR THE PREPARATION OF FISCHER-TROPSCH CATALYSTS AND THEIR USE - A process for preparing a catalyst precursor includes, in a first preparation step, impregnating a particulate catalyst support with an organic metal compound in a carrier liquid. The metal of the organic metal compound is an active catalyst component. An impregnated intermediate is formed, and is calcined to obtain a calcined intermediate. Thereafter, in a second preparation step, the calcined intermediate from the first preparation step is impregnated with an inorganic metal salt in a carrier liquid. The metal of the inorganic metal salt is an active catalyst component. An impregnated support is obtained, and is calcined, to obtain the catalyst precursor. The metal is in particular cobalt. The precursor is reduced, in particular with hydrogen, to obtain the active catalyst. Also claimed is a process for the hydrogenation of CO, as well as a process for the hydrogenation of an organic compound using the so-prepared catalyst. | 12-08-2011 |
20120149559 | EGGSHELL CATALYST AND METHODS OF ITS PREPARATION - An eggshell catalyst useful for a Fischer-Tropsch (FT) synthesis or other reactions comprises a homogeneously dispersed transition metal and a promoter situated in an active phase in a precisely selected outer region of a catalyst pellet. The active phase region is controlled to a specific depth, which permits the control of the catalysts selectivity, for example, the size of the hydrocarbon chains formed in the FT process. A method of preparing these eggshell catalysts involves a non-aqueous synthesis where polar and non-polar solvents of relatively low vapor pressure are employed to define the depth of penetration of metal species in a refractory oxide substrate, which is followed by fixing and activating metallic catalytic species in the structure by calcination of the catalyst particles. | 06-14-2012 |
20160074837 | OPTIMIZED FISCHER-TROPSCH CATALYST - A cobalt containing catalyst supported on a metal oxide suitable for performing a Fischer-Tropsch reaction. A pore volume of a metal oxide support, before loading of cobalt thereon, is within the range of 0.35 to 0.85 cc/g. The support has an average pore diameter before the cobalt loading and reduction such that the effective average pore diameter after cobalt loading and reduction is 14 nanometers or higher. A cobalt loading of 11 weight % or higher is also provided. An alpha value higher than 0.89 in a diesel to wax weight ratio below 1.07 is provided. | 03-17-2016 |
502261000 | Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt) | 13 |
20090069174 | CATALYST FOR PURIFICATION OF EXHAUST GAS AND METHOD OF MANUFACTURING THE SAME - A catalyst for purification of exhaust gases, produced by use of a catalyst component A, a catalyst component B, and a binder, the catalyst component A being produced by supporting Rh on a catalyst support for Rh, having a CO | 03-12-2009 |
20120225772 | SO3 REDUCTION CATALYST FOR PURIFYING AN EXHAUST GAS, PREPARATION PROCESS THEREOF, AND EXHAUST GAS PURIFYING METHOD USING THE CATALYST - In the catalyst for purifying a combustion exhaust gas containing nitrogen oxides, 50 wt. % or greater of the amount of Ru and/or Ir to be supported is adjusted to fall within a depth of 150 μm from the surface layer of a substrate; and the catalyst is prepared by immersing the substrate in a metal colloid solution of Ru and/or Ir to be supported or an aqueous solution containing at least one compound selected from compounds of Ru and/or Ir to be supported. | 09-06-2012 |
20130303364 | CATALYST FOR CONVERTING NITROGEN OXIDE INTO AMMONIA AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a catalyst for converting nitrogen oxide into ammonia, which is capable of converting nitrogen oxide into ammonia under fuel lean exhaust gas conditions of more than theoretical air-fuel ratio (A/F=14.7), and a method for manufacturing the same. The catalyst according to the present invention comprises a metal oxide support impregnated with a precious metal, such that conversion of nitrogen oxide into ammonia under fuel lean exhaust gas conditions of more than theoretical air-fuel ratio (A/F=14.7) is possible. | 11-14-2013 |
502262000 | Platinum or palladium | 10 |
20090137386 | Catalytically coated particle filter and method for producing the same and its use - The invention proposes a particulate filter having a catalytic coating which contains two catalysts arranged one behind the other. The first catalyst is located in the gas inlet region of the filter and contains a palladium/platinum catalyst. The second catalyst is arranged downstream of the first catalyst and preferably contains platinum alone as catalytically active component. The combination of these two catalysts provides the coated filter with a good ageing stability and resistance to sulphur poisoning. | 05-28-2009 |
20090203520 | SELECTIVE HYDROGENATION CATALYST DESIGNED FOR RAW GAS FEED STREAMS - A catalyst for selective hydrogenation of acetylenes and diolefins, particularly in a raw gas feed stream for front end selective hydrogenation. The catalyst contains a low surface area carrier with a surface area from about 2-20 m2/g, wherein the pore volume of the pores of the carrier is greater than about 0.4 cc/g, at least 90 percent of the pore volume of the pores is contained within pores having a pore diameter greater than about 500 Å and about 1 to about 2 percent of the total pore volume is contained in pores with a pore diameter from about 500 to about 1,000 Å. The palladium comprises about 0.01 to about 0.1 weight % and a Group IB metal comprises about 0.005 to about 0.06 weight % of the catalyst. | 08-13-2009 |
20100120612 | Sulfur Tolerant Alumina Catalyst Support - The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines. The support of the present invention is a structure comprising alumina core particulate having high porosity and surface area, wherein the structure has from about 1 to about 8 weight percent silica in the form of cladding on the surface area of said alumina core. The resultant support has a sulfur tolerance efficiency (η) of at least 1000 μg/m2. | 05-13-2010 |
20120040823 | METHOD FOR PRODUCING CATALYST FOR USE IN PREFERENTIAL OXIDATION REACTION OF CARBON MONOXIDE - The present invention provides a method for producing a catalyst for use in preferential carbon monoxide oxidation, which catalyst has a high preferential carbon monoxide oxidation activity and a high methanation activity with respect to the carbon monoxide contained in hydrogen gas, can thus stably reduce the carbon monoxide concentration to an extremely lower level and comprises porous inorganic oxide support particles and, on the basis of the mass thereof, 0.01 to 10 percent by mass of ruthenium and 0.01 to 1 percent by mass of platinum, loaded on the support. The method comprises (1) a step of loading 30 to 70 percent of the total amount of ruthenium to be loaded, on the support particles by a competitive adsorption method and (2) a step of loading the rest of the total amount of ruthenium to be loaded and the total amount of platinum to be loaded, on the ruthenium-loaded support particles produced in step (1) without using a competitive adsorption agent. | 02-16-2012 |
20120214666 | WET CHEMICAL METHOD OF FORMING STABLE PiPd DIESEL OXIDATION - A nano-particle comprising: an interior region comprising a mixed-metal oxide; and an exterior surface comprising a pure metal. In some embodiments, the mixed-metal oxide comprises aluminum oxide and a metallic pinning agent, such as palladium, copper, molybdenum, or cobalt. In some embodiments, the pure metal at the exterior surface is the same as the metallic pinning agent in the mixed-metal oxide in the interior region. In some embodiments, a catalytic nano-particle is bonded to the pure metal at the exterior surface. In some embodiments, the interior region and the exterior surface are formed using a plasma gun. In some embodiments, the interior region and the exterior surface are formed using a wet chemistry process. In some embodiments, the catalytic nano-particle is bonded to the pure metal using a plasma gun. In some embodiments, the catalytic nano-particle is bonded to the pure metal using a wet chemistry process. | 08-23-2012 |
20120302437 | Nanocrystal Assembly for Tandem Catalysis - The present invention provides a nanocrystal tandem catalyst comprising at least two metal-metal oxide interfaces for the catalysis of sequential reactions. One embodiment utilizes a nanocrystal bilayer structure formed by assembling sub- | 11-29-2012 |
20140051569 | CATALYSTS FOR THE PREPARATION OF METHYLPYRIDINE - Subject of the invention is a dehydrogenation catalyst for dehydrogenating methylpiperidine to methylpyridine. Subject of the invention are also methods for preparing the catalysts obtained thereby and methods, in which the catalysts are used. | 02-20-2014 |
20140155258 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, an amount of iron which is equal to or greater than the amount of the platinum, from 10 to 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 06-05-2014 |
20160129422 | CO SLIP CATALYST AND METHOD OF USING - A CO slip catalyst, for treating an exhaust gas from a lean burn internal combustion engine, is disclosed. The CO slip catalyst comprises palladium and a ceria-containing material. The invention also includes a method for oxidizing excess CO in an exhaust gas, wherein the excess CO results from the periodic contact of an upstream catalyst under rich exhaust conditions. The method comprises contacting the excess CO in the exhaust gas with a CO slip catalyst at a temperature in the range of 100 to 700° C. | 05-12-2016 |
20160136622 | MONOLITHIC STRUCTURED CATALYST FOR CARBON MONOXIDE GASE-PHASE COUPLING TO DIALKYL OXALATE & PREPARATION METHOD AND APPLICATION THEREOF - Provided was a monolithic catalyst for synthesizing an oxalate by carbon monoxide (CO) gaseous-phase coupling, a preparation method and the use thereof. In the catalyst, a ceramic honeycomb or a metal honeycomb was used as skeletal carrier, metal oxides were used as a carrier coating, precious metals Pt, Pd, Ir, Rh were used as active ingredients, as well as Fe, Co, Ni were used as additives, wherein the carrier coating accounts for 5 to 50 wt. % of the honeycomb carrier; the active ingredients of the catalyst account for 0.1 to 5 wt. % of the carrier coating; the additives of the catalyst account for 0.3 to 10 wt. % of the carrier coating; and the atomic ratio of the active ingredients to the additives was 0.1 to 3. the reaction for synthesizing the oxalate was carried out in a fixed bed reactor, wherein, N2 was used as a carrier gas. The volume ratio of N2:CO:Alkyl nitrite was 20-80:5-60:10-40, and the retention time was 0.5-10 s. | 05-19-2016 |