BASF Catalysts LLC Patent applications |
Patent application number | Title | Published |
20140275452 | MIXED INTERNAL DONOR STRUCTURES FOR 1-OLEFIN POLYMERIZATION CATALYSTS - Solid catalyst components are disclosed, which include titanium, magnesium, halogen and a combination of internal electron donor compounds containing at least one 1,8 naphthyl diester compound of Formula (II-1) and at least one 3,3-bis(methoxymethyl) alkane of Formula (II-2): | 09-18-2014 |
20140275451 | INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CATALYSTS IV - The present disclosure relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 9-(alkoxymethyl)-9H-fluorene compound. The 9-(alkoxymethyl)-9H-fluorene compound include octyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 7-methyloctyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 2-ethylhexyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; and 9-(methoxymethyl)-9H-fluorene-9-yl benzoate. The present disclosure further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present disclosure also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. | 09-18-2014 |
20130142714 | DIESEL OXIDATION CATALYSTS, SYSTEMS AND METHODS OF TREATMENT - Diesel oxidation catalysts comprising a first washcoat layer including a platinum group metal impregnated on a promoted non-zeolitic support are described. The promoter is one or more of tin, manganese, indium, group VIII metals. Methods of making and using the diesel oxidation catalyst, including emissions treatment systems, are also described. | 06-06-2013 |
20130065021 | Roofing Materials with Metallic Appearance - Provided are materials and methods related to a roofing material comprising at least two layers of polymeric materials, a top layer exposed to the environment and a bottom layer contacting the roof structure, the top layer including an amount of metallic appearing special effect pigment material to impart a metallic appearance. The polymeric material may be a thermoplastic olefin resin, a polyvinyl chloride resin, or other material. Additionally, the polymeric materials contain UV stabilizers and/or flame retardants, smoke suppressants or other fillers. | 03-14-2013 |
20120318742 | MEDIA FOR THE REMOVAL OF HEAVY METALS AND VOLATILE BYPRODUCTS FROM DRINKING WATER - Water purification media contain an activated carbon having at least one of specific a particle size, surface area, and porosity; and a microcrystalline and/or amorphous titanosilicate at least partially coating the activated carbon. Methods of making the media of microcrystalline and/or amorphous titanosilicate coated activated carbon involve contacting activated carbon with titanosilicate precursors. Methods of purifying water involve contacting water containing both heavy metals and volatile byproducts with the media. | 12-20-2012 |
20120208691 | Copper Containing Levyne Molecular Sieve For Selective Reduction Of NOx - Aspects of the present invention relates to a copper containing Levyne molecular sieve having a silica to alumina mole ratio less than 30 and a Cu:Al atomic ratio less than 0.45, wherein the Levyne molecular sieve retains at least 60% of its surface area after exposure to a temperature of from about 750° C. to about 950° C. in the present of up to 10 volume percent water vapor for a time ranging from about 1 to about 48 hours. | 08-16-2012 |
20110294970 | ETHYLENE POLYMERIZATION CATALYSTS - The present invention relates to solid catalyst components comprising a reaction product of a titanium compound, a magnesium compound, an alcohol, an aluminum alkoxide, a siloxane mixture, and a maleate derivative; and catalyst systems comprising the solid catalyst components and organoaluminum compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing ethylene using the catalyst systems. | 12-01-2011 |
20110217216 | Carbon Monoxide Conversion Catalyst - Catalyst articles comprising palladium and related methods of preparation and use are disclosed. Disclosed is a catalyst article comprising a first catalytic layer formed on a substrate, wherein the first catalytic layer comprises palladium impregnated on a ceria-free oxygen storage component and platinum impregnated on a refractory metal oxide, and a second catalytic layer formed on the first catalytic layer comprising platinum and rhodium impregnated on a ceria-containing oxygen storage component. The palladium component of the catalyst article is present in a higher proportion relative to the other platinum group metal components. The catalyst articles provide improved conversion of carbon monoxide in exhaust gases, particularly under rich engine operating conditions. | 09-08-2011 |
20110213106 | Internal and External Donor Compounds for Olefin Polymerization Catalysts III - The present invention relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 1,8-naphthyl diester compound. The 1,8-naphthyl diester compounds include naphthalene-1,8-diyl dicycloalkanecarboxylate derivatives, dicycloalkenecarboxylate derivatives, 8-(cycloalkanecarbonyloxy)naphthalene-1-yl benzoate derivatives, and 8-(cycloalkenecarbonyloxy)naphthalene-1-yl benzoate derivatives. The present invention further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. | 09-01-2011 |
20110207901 | INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CATALYSTS II - The present invention relates to catalyst systems containing solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ether group and at least one ketone group; organoaluminum compounds and alkyl benzoate derivatives as external electron donors. The present invention also relates to methods of making the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. | 08-25-2011 |
20110173950 | Emissions Treatment System with Ammonia-Generating and SCR Catalysts - Provided are emissions treatment systems for an exhaust stream having an ammonia-generating component, such as a NOx storage reduction (NSR) catalyst or a lean NOx trap (LNT) catalyst, and an SCR catalyst disposed downstream of the ammonia-generating catalyst. The SCR catalyst can be a molecular sieve having the CHA crystal structure, for example SSZ-13 or SAPO-34, which can be ion-exchanged with copper. The LNT can be layered, having an undercoat washcoat layer comprising a support material, at least one precious metal, and at least one NOx sorbent selected from the group consisting of alkaline earth elements, rare earth elements, and combinations thereof and a top washcoat layer comprising a support material, at least one precious metal, and ceria in particulate form, the top washcoat layer being substantially free of alkaline earth components. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines. | 07-21-2011 |
20110152481 | Internal and external donor compounds for olefin polymerization catalysts - The present invention relates to catalyst systems containing solid catalyst components comprising titanium, magnesium, halogen and a 1,8-naphthyl diaryloate internal electron donor compound; organoaluminum compounds and alkyl benzoate derivatives as external electron donors. The present invention also relates to methods of making the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. | 06-23-2011 |
20110139684 | Catalyst Composition for Reducing Gasoline Sulfur Content in Catalytic Cracking Process - A sulfur reduction catalyst useful to reduce the levels of sulfur in a cracked gasoline product comprises a metal vanadate compound. The metal vanadate compound can be supported on a molecular sieve such as a zeolite in which the metal vanadate compound is primarily located on the exterior surface of the pore structure of the zeolite and on the surface of any matrix material used to bind or support the zeolite. | 06-16-2011 |
20110113984 | Transparent Goniochromatic Multilayer Effect Pigment - A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present effect pigments may be used in cosmetic and industrial applications. | 05-19-2011 |
20110078997 | Four-Way Diesel Catalysts and Methods of Use - Provided are catalyst articles, emission treatment systems and methods for simultaneously remediating the carbon monoxide, nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system of specific embodiment effectively treats diesel engine exhaust with a single catalyst article. | 04-07-2011 |
20110034651 | MIXED DONOR SYSTEM FOR HIGH MELT FLOW AND HIGH ACTIVITY - Disclosed are catalyst systems and methods of using the same for the polymerization of an olefin containing a solid titanium catalyst ant two external electron donors. Use of an aminosilane and an alkylsilane as external electron donors provide for high hydrogen response, high isotacticity, and high activity. | 02-10-2011 |
20110021646 | Fischer-Tropsch Catalyst - The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and an amount of zirconium(IV)oxide and/or aluminium oxide of between 0.5 and 2.5 wt. % calculated as metal, based on the weight of the calcined catalyst. | 01-27-2011 |
20110020204 | Chabazite Zeolite Catalysts Having Low Silica to Alumina Ratios - Disclosed are zeolite catalysts having the CHA crystal structure with a low silica to alumina ratio, as well as articles and systems incorporating the catalysts and methods for their preparation and use. The catalysts can be used to reduce NOx from exhaust gas streams, particularly those emanating from gasoline or diesel engines. | 01-27-2011 |
20110000821 | Structurally Enhanced Cracking Catalysts - A cracking catalyst contains a substantially inert core and an active shell, the active shell containing a zeolite catalyst and a matrix. Methods of making and using the cracking catalyst are also described. | 01-06-2011 |
20100288079 | Method for Recovering Catalytic Elements from Fuel Cell Membrane Electrode Assemblies - A method for recovering catalytic elements from a fuel cell membrane electrode assembly is provided. The method includes converting the membrane electrode assembly into a particulate material, wetting the particulate material, forming a slurry comprising the wetted particulate material and an acid leachate adapted to dissolve at least one of the catalytic elements into a soluble catalytic element salt, separating the slurry into a depleted particulate material and a supernatant containing the catalytic element salt, and washing the depleted particulate material to remove any catalytic element salt retained within pores in the depleted particulate material. | 11-18-2010 |
20100266468 | METHODS OF MANUFACTURING MERCURY SORBENTS AND REMOVING MERCURYFROM A GAS STREAM - Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include injecting a sorbent consisting essentially of recovered and separated fluid cracking catalyst particles into a flue gas stream. | 10-21-2010 |
20100257843 | Zoned Catalysts for Diesel Applications - An oxidation catalyst composite, methods and systems for the treatment of exhaust gas emissions from an advanced combustion engine, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) from a diesel engine and an advanced combustion diesel engine are disclosed. More particularly, washcoat compositions are disclosed comprising at least two washcoat layers, a first washcoat comprising a palladium component and a second washcoat containing platinum and at least about 50% of the total platinum is located in the rear of the catalyst. | 10-14-2010 |
20100251700 | HC-SCR System for Lean Burn Engines - Systems and methods for abating NOx emission in an exhaust stream are provided. Systems comprising hydrocarbon conversion over a partial oxidation catalyst in a slip stream and a hydrocarbon selective catalytic reduction catalyst are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from lean burn engines including diesel engines, lean burn gasoline engines and locomotive engines. | 10-07-2010 |
20100236224 | Emissions Treatment System With Lean NOx Trap - Systems and methods for abating NOx in an exhaust stream are provided. System using a lean NOx trap, an air injector and optional catalysts and filters are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines. | 09-23-2010 |
20100219103 | PROCESS FOR THE PURIFICATION OF BENZENE FEEDSTOCK CONTAINING CONTAMINATING SULFUR COMPOUNDS - The invention is directed to a process for the purification of benzene feedstock containing contaminating sulfur compounds, more in particular thiophenic sulfur compounds, said process comprising contacting the benzene feedstock in the presence of hydrogen with a sulfided nickel adsorbent, wherein in said adsorbent part of the nickel is present in the metallic form, and subsequently contacting the said feedstock with a supported metallic copper adsorbent. | 09-02-2010 |
20100215557 | Aging-Resistant Catalyst Article for Internal Combustion Engines - Catalyst articles comprising palladium and related methods of preparation and use are disclosed. Disclosed is a catalyst article comprising a first catalytic layer formed on a substrate, wherein the first catalytic layer comprises palladium impregnated on a ceria-free oxygen storage component and platinum impregnated on a refractory metal oxide, and a second catalytic layer formed on the first catalytic layer comprising platinum impregnated on an oxygen storage component and rhodium impregnated on a zirconia-coated or yttria-coated alumina. The palladium component of the catalyst article is present in a higher proportion relative to the other platinum group metal components. The catalyst articles provide improved reductions in NOx in exhaust gases, particularly after lean-rich aging. | 08-26-2010 |
20100212293 | Palladium-Supported Catalyst Composites - Provided are catalyst composites that can be used in methods for treating exhaust gas from internal combustion engines, including diesel and gasoline engines, systems including such catalyst composites and methods of using the catalyst composites to treat internal combustion engine exhaust. The catalyst composites may provide diesel oxidation catalysts and three-way catalysts. A catalyst composite is provided which a catalytic material on a carrier, the catalytic material including a palladium component dispersed on a first support comprising at least 60% by weight of a zirconia component, and one or more rare earth oxides selected from the group consisting of lanthana, neodymia, praseodymia, yttria, the first support optionally containing no more than 15% by weight ceria, and being free of alumina. Layered catalyst composites having one or more washcoats on the carrier are also provided. | 08-26-2010 |
20100209332 | Nonaqueous Chlorine Dioxide-Generating Compositions and Methods Related Thereto - A method for generating chlorine dioxide is disclosed in which chlorine dioxide generation is activated with a dry polar material. A system for generating chlorine dioxide is also disclosed, as well as compositions useful in the system and method. | 08-19-2010 |
20100209329 | CATALYST FOR PRODUCING AMMONIA FROM HYDROCARBON AND NITROGEN OXIDES - Provided is a process for producing ammonia by the catalytic reduction of nitrogen oxide in the presence of a hydrocarbon, and in certain embodiments, in the presence of an oxygenated hydrocarbon. | 08-19-2010 |
20100202946 | Pollutant Emission Control Sorbents and Methods of Manufacture and Use - Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight. Further embodiments include physical blending of a flow modifier into the sorbent composition. | 08-12-2010 |
20100198136 | Chlorine Dioxide Treatment for Biological Tissue - Methods, compositions, devices, and systems for administration to a biological tissue of a composition comprising a chlorine dioxide source are provided. | 08-05-2010 |
20100193494 | Conductive Compositions - A conductive composition having a conductive component, a glass frit component, an organic medium, a boride component and a platinum group metal component, is provided. Embodiments of the conductive composition incorporate a palladium component and boride component selected from ZrB | 08-05-2010 |
20100189615 | MECHANICALLY FUSED MATERIALS FOR POLLUTION ABATEMENT IN MOBILE AND STATIONATY SOURCES - Described are catalyst composites containing mechanically fused components, methods of making the catalyst composites, and methods of using the catalyst composites such as in pollution abatement applications. The catalyst composites contain a core and a shell at least substantially covering the core, the shell mechanically fused to the core and comprising particles mechanically fused to each other, wherein a size ratio of the core to particles of the shell is at least about 10:1. | 07-29-2010 |
20100186375 | Layered Diesel Oxidation Catalyst Composites - Provided are diesel exhaust components where palladium is segregated from a molecular sieve, specifically a zeolite, in a catalytic material. In the catalytic material, therefore, there are at least two layers: a palladium-containing layer that is substantially free of a molecular sieve and a hydrocarbon trap layer that comprises at least one molecular sieve and is substantially free of palladium. The palladium is provided on a high surface area, porous refractory metal oxide support. The catalytic material can further comprise a platinum component, where a minor amount of the platinum component is in the hydrocarbon trap layer, and a majority amount of the platinum component is in the palladium-containing layer. Systems and methods of using the same are also provided. | 07-29-2010 |
20100180582 | Diesel Oxidation Catalyst With Layer Structure for Improved Hydrocarbon Conversion - Provided is a diesel oxidation catalyst for the treatment of exhaust gas emissions from a diesel engine and a method for treating a diesel exhaust gas stream, the method comprising providing a diesel oxidation catalyst and contacting said diesel exhaust gas stream with said diesel oxidation catalyst for the treatment of exhaust gas emissions. More particularly, the present invention is directed to a catalyst structure comprising three distinct layers; in which layer comprises a precious metal component such as palladium is located between two hydrocarbon storage layers comprising a molecular sieve such as a zeolite. | 07-22-2010 |
20100180581 | DIESEL OXIDATION CATALYST COMPOSITE WITH LAYER STRUCTURE FOR CARBON MONOXIDE AND HYDROCARBON CONVERSION - Provided is a catalyst composition, in particular a diesel oxidation catalyst, for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO). More particularly, the present invention is directed to a catalyst structure comprising at least two, specifically three distinct layers, at least one of which contains an oxygen storage component (OSC) that is present in a layer separate from the majority of the platinum group metal (PGM) components, such as palladium and platinum. | 07-22-2010 |
20100180580 | Emissions Treatment Systems and Methods With Catalyzed SCR Filter and Downstream SCR Catalyst - Emissions treatment systems and methods for treating an engine exhaust gas stream containing NO | 07-22-2010 |
20100172814 | Zeolite Catalyst With Improved NOx Reduction in SCR - The present invention is directed to a novel metal-promoted zeolite catalyst, a method of producing the catalyst and a method of sing the catalyst for the selective catalytic reduction of NO | 07-08-2010 |
20100166629 | Oxidation Catalyst With Low CO and HC Light-Off and Systems and Methods - An oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) from a diesel engine and methods of exhaust gas treatment are disclosed. More particularly, a washcoat composition is disclosed comprising at least two washcoat layers, a first washcoat comprising palladium supported on ceria-zirconia and ceria-zirconia-alumina and a second washcoat containing one or more of platinum and palladium and one or more hydrocarbon storage components. An undercoat may also be included in the catalyst. Also disclosed are method of exhaust gas treatment and diesel exhaust gas treatment systems that include the oxidation catalyst and a downstream soot filter. | 07-01-2010 |
20100158780 | Small Engine Palladium Catalyst Article and Method of Making - Catalyst articles comprising substantially only a palladium precious metal component and related methods of preparation and use are disclosed. Disclosed is a catalyst article comprising a first layer formed on a carrier substrate, wherein the first layer comprises a refractory metal oxide and has a surface that is substantially uniform; and a second layer formed on the first layer, wherein the second layer comprises i) an oxygen storage component that is about 50-90% by weight of the second layer and ii) a palladium component in an amount of about 10-150 g/ft | 06-24-2010 |
20100158775 | Catalyst Systems and Methods for Treating Aircraft Cabin Air - Air treatment catalyst systems and methods for treating the air in the aircraft cabin environment are provided. The catalyst system and method remove ozone, volatile organic compounds, NOx and other pollutants. The catalyst system used to treat the cabin air comprises a plurality of discrete substrates having an ozone abatement catalyst loaded thereon and arranged in a stacked configuration between a source of the air stream and the passenger cabin, the at least the first two substrates adjacent the source of the air stream comprise an iron-based alloy. | 06-24-2010 |
20100152032 | Aircraft Air Treatment Catalysts, Systems and Methods - Aircraft catalysts, systems, and methods are disclosed. In one or more embodiments, the catalysts comprise a substrate, at least a first washcoat layer on the substrate comprising a refractory metal oxide support having a catalytic metal component dispersed on the refractory metal oxide support, and an overcoat washcoat layer on the first layer comprising a manganese component. Catalysts prepared in accordance with embodiments of the invention exhibit improved life when used in aircraft. | 06-17-2010 |
20100124523 | Emissions Treatment Catalysts - An emissions treatment catalyst formed using pH-compatible ingredients is disclosed. Engine exhaust treatment systems including such catalysts are also provided. Methods of making and using these catalysts are also provided. Methods include creating precious metal-support composites where the precious metal precursor has a solution pH that is compatible an aqueous slurry pH of the support. In one example, a basic precious metal solution having a pH of 7 or greater is mixed with a promoted refractory metal oxide support having an aqueous slurry pH of 7 or greater. On the other hand, an acidic precious metal solution having a pH of less than 7 is mixed with a promoted refractory metal oxide support having an aqueous slurry pH of less than 7. The mixture of the salt and the promoted refractory metal oxide support can be thermally treated at a temperature of at least 180° C. to thermally fix the well-dispersed precious metal on the support. Complex ions of basic solutions and include tetraamine nitrate, tetraamine hydroxide, tetraamine acetate, a primary amine nitrate, a primary amine hydroxide, a primary amine acetate, or combinations thereof. The refractory metal oxide support can be promoted by oxides of lanthanum, barium, zirconium, neodymium, yttrium, praseodymium, somarium, ceria, or combinations thereof. | 05-20-2010 |
20100121080 | COPPER CATALYST FOR DEHYDROGENATION APPLICATION - Disclosed are catalytic compositions having from about 35% to about 75% of Cu by weight, from about 15% to about 35% of Al by weight, and about 5% to about 20% of Mn by weight. The catalytic compositions are bulk homogeneous compositions formed from extruding and calcinating a powder formed from a precipitation reaction of Cu(NO | 05-13-2010 |
20100113261 | Precious Metal Water-Gas Shift Catalyst with Oxide Support Modified with Rare Earth Elements - A water gas shift catalyst comprising a platinum group metal dispersed on an inorganic oxide support modified with a carbon-containing burn-out additive and a rare earth oxide. A water gas shift catalyst containing alumina, a platinum group metal, and oxides of Pr and Nd are also disclosed. | 05-06-2010 |
20100112059 | Methods, Systems and Devices for Administration of Chlorine Dioxide - Devices, compositions, systems and methods for the non-cytotoxic delivery of chlorine dioxide to a tissue. | 05-06-2010 |
20100111796 | Integrated SCR and AMOX Catalyst Systems - Catalysts, methods of preparing catalyst, and methods for treating exhaust gas streams are described. In one or more embodiments, a catalyst system includes an upstream zone effective to catalyze the conversion of a mixture of NO | 05-06-2010 |
20100111791 | Bimetallic Catalysts for Selective Ammonia Oxidation - Catalysts, methods, and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises a molecular sieve having a silica to alumina ratio (SAR) less than about 30, the molecular sieve including ion-exchanged copper and ion-exchanged platinum. Systems including such catalysts and methods of treating exhaust gas are also provided. | 05-06-2010 |
20100104491 | Multilayered Catalyst Compositions - A layered three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. Engine exhaust treatment system and methods of using the same are also provided. The catalytic material can be provided in layers such that a larger amount of oxygen storage component is provided in a downstream zone as compared to an upstream zone. For example, the upstream zone can be configured to have one, two, or three layers, and the downstream zone can be independently configured to have one, two, or three layers. In one or more embodiments, the catalyst supported on a carrier has three layers, where at least two of the layers are zoned to have an oxygen storage component being present in an upstream zone in an amount that is less than the oxygen storage component present in the downstream zone. | 04-29-2010 |
20100102278 | LOW TEMPERATURE WATER GAS SHIFT CATALYST - A low temperature water gas shift catalyst containing copper, zinc, aluminum in which the aluminum component is prepared from highly dispersible alumina as well as related methods are disclosed. | 04-29-2010 |
20100062076 | Non-Cytotoxic Chlorine Dioxide Fluids - Disclosed are compositions related to a substantially non-cytotoxic chlorine dioxide solution. The solution may be a thickened fluid composition. Also disclosed are methods of making and using a substantially non-cytotoxic thickened fluid compositions or solutions comprising chlorine dioxide solution. An oxidizing composition of reduced irritation is also disclosed. | 03-11-2010 |
20100062043 | Methods, Systems and Devices for Administration of Chlorine Dioxide - Devices, compositions, systems and methods for the non-cytotoxic delivery of chlorine dioxide to a tissue. | 03-11-2010 |
20100062042 | Methods, Systems and Devices for Administration of Chlorine Dioxide - Devices, compositions, systems and methods for the non-cytotoxic delivery of chlorine dioxide to a tissue. | 03-11-2010 |
20100056839 | OLEFIN ISOMERIZATION AND METATHESIS CATALYST - A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization-metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, IIA, IIB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1-butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium. | 03-04-2010 |
20100029870 | INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS - Disclosed are 1,8-naphthyl diaryloates, methods of making 1,8-naphthyl diaryloates, methods of using 1,8-naphthyl diaryloates, solid titanium catalyst components, catalyst systems containing solid titanium catalyst components, methods of making solid titanium catalyst components, and polymerization methods. The solid titanium catalyst components contain a 1,8-naphthyl diaryloate internal electron donor compound. The catalyst system can contain a solid titanium catalyst component, an organoaluminum compound, and an organosilicon compound. | 02-04-2010 |
20100015252 | Tooth Polishing Compositions and Methods of Tooth Polishing Without Mechanical Abrasion - A method of polishing a tooth surface without mechanical abrasion is provided. | 01-21-2010 |
20100015251 | Tooth Polishing Compositions and Methods of Tooth Polishing Without Mechanical Abrasion - A method of polishing a tooth surface without mechanical abrasion is provided. Kits and compositions are also provided. | 01-21-2010 |
20100015207 | Methods for Treating Oral Cavity Infections with Chlorine Dioxide - Methods, devices, compositions, and systems for the alleviation of oral tissue infections by administration of chlorine dioxide are provided. | 01-21-2010 |
20100015067 | Tooth Whitening Compositions and Methods - Non-cytotoxic compositions for tooth whitening are disclosed. Methods of their use are also provided. | 01-21-2010 |
20100015066 | Non-Cytotoxic Chlorine Dioxide Fluids - Disclosed are compositions related to a substantially non-cytotoxic chlorine dioxide solution. The solution may be a thickened fluid composition. Also disclosed are methods of making and using a substantially non-cytotoxic thickened fluid compositions or solutions comprising chlorine dioxide solution. An oxidizing composition of reduced irritation is also disclosed. | 01-21-2010 |
20100012894 | Tooth Whitening Compositions and Methods - Non-cytotoxic compositions for tooth whitening are disclosed. Methods of their use are also provided. | 01-21-2010 |
20100012893 | Tooth Whitening Compositions and Methods - A non-cytotoxic chlorine dioxide composition and a mixed agent bleaching composition for tooth whitening are disclosed. Methods of use are also provided. | 01-21-2010 |
20100012892 | Tooth Whitening Compositions and Methods - A non-cytotoxic chlorine dioxide composition and a mixed agent bleaching composition for tooth whitening are disclosed. Methods of use are also provided. | 01-21-2010 |
20100012891 | Tooth Whitening Compositions and Methods - A non-cytotoxic chlorine dioxide composition and a mixed agent bleaching composition for tooth whitening are disclosed. Methods of use are also provided. | 01-21-2010 |
20090320680 | Methods of Manufacturing Bentonite Polution Control Sorbents - Methods of manufacturing bentonite sorbents for removal of pollutants including mercury from gas streams, such as a flue gas stream from coal-fired utility plants are disclosed. The methods include mixing bentonite sorbent particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the bentonite sorbent particles. | 12-31-2009 |
20090320449 | Pt-Pd Diesel Oxidation Catalyst with CO/HC Light-off and HC Storage Function - The present invention is directed to a diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx). More particularly, the present invention is directed to a novel washcoat composition comprising two distinct washcoat layers containing two distinctly different ratios of Pt:Pd. | 12-31-2009 |
20090313971 | Diesel Exhaust Treatment System Catalyst Monitoring - Diesel exhaust treatment articles, systems and methods are disclosed. According to one or more embodiments, an oxygen storage component is utilized and degradation of the oxygen storage component is correlated with degradation of the hydrocarbon conversion efficiency of a catalyst in a diesel engine system. | 12-24-2009 |
20090304564 | NOx Storage Materials and Traps Resistant to Thermal Aging - Nitrogen oxide storage materials and methods of manufacturing nitrogen oxide storage materials are disclosed. The nitrogen oxide storage materials can be used to manufacture catalytic trap disposed in an exhaust passage of an internal combustion engine which is operated periodically between lean and stoichiometric or rich conditions, for abatement of NOx in an exhaust gas stream which is generated by the engine. In one embodiment, the nitrogen oxide storage material comprises alkaline earth material supported on ceria particles having a crystallite size of between about 10 and 20 nm and the alkaline earth oxide having a crystallite size of between about 20-40 nm. | 12-10-2009 |
20090288402 | Emission Treatment Catalysts, Systems and Methods - Zoned diesel oxidation catalysts containing a higher precious metal loading in the inlet zone that the outlet zone and an equal or shorter length inlet zone are described. Emission treatment systems and methods of remediating nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons using zoned diesel oxidation catalysts are also described. | 11-26-2009 |
20090286942 | CATALYST FLOW - Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component and an antistatic agent. Also disclosed are methods of making a polyolefin involving contacting an olefin with a catalyst system containing an antistatic agent. The use of the antistatic agent added to the catalyst system can improve flowability and/or dispersibility of the catalyst system. | 11-19-2009 |
20090286672 | INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS - Disclosed are solid titanium catalyst components, catalyst systems containing solid titanium catalyst components, and methods of making solid titanium catalyst components. The solid titanium catalyst components contain an internal electron donor compound containing at least one ether group and at least one ketone group. The catalyst system can contain a solid titanium catalyst component, an organoaluminum compound, and an organosilicon compound. Also disclosed are methods of polymerizing or copolymerizing an alpha-olefin. The methods involve contacting an olefin with a catalyst system containing the solid titanium catalyst component. | 11-19-2009 |
20090285737 | Copper CHA Zeolite Catalysts - Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stable at high reaction temperatures. The zeolite catalysts include a zeolite carrier having a silica to alumina ratio from about 15:1 to about 256:1 and a copper to alumina ratio from about 0.25:1 to about 1:1. | 11-19-2009 |
20090272361 | Hydrocarbon Adsorption Filter for Air Intake System Evaporative Emission Control - The present invention is directed to the use of an improved hydrocarbon adsorbent coating for the treatment of evaporative emissions from a motor vehicle. More specifically, one or more hydrocarbon adsorbents, in accordance with the present invention, can be coated to any surface area of an air intake system to trap hydrocarbon vapors before they can escape to the atmosphere, through said air intake system. In another embodiment, one or more hydrocarbon adsorbents can be incorporated in the air filter of an air intake system. | 11-05-2009 |
20090264283 | Stabilized Iridium and Ruthenium Catalysts - Provided herein is a non-single phase perovskite-type bulk material comprising one or more of Ru and Ir. In one embodiment, the surface region of the material is enriched with one or more of Ru and Ir relative to the bulk material. Also provided are methods for preparing the non-single phase, surface enriched perovskite-type material, catalytic articles comprising the non-single phase, surface enriched perovskite-type material and methods for their preparation, and methods for treating exhaust emissions using the non-single phase, surface enriched perovskite-type material. | 10-22-2009 |
20090257933 | Layered Catalyst Composite - A layered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. In one or more embodiments, the catalyst comprises three layers in conjunction with a carrier: a first layer deposited on the carrier and comprising palladium deposited on a refractory metal oxide and an oxygen storage component; a second layer deposited on the first layer and comprising rhodium deposited on a refractory metal oxide and an oxygen storage component; and a third layer deposited on the second layer and comprising palladium deposited on a refractory metal oxide. | 10-15-2009 |
20090255241 | Method of Forming a Catalyzed SCR Filter - Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. Also provided is a method for disposing an SCR catalyst composition on a wall flow monolith that provides adequate catalyst loading, but does not result in unsuitable back pressures in the exhaust. | 10-15-2009 |
20090221724 | FISCHER-TROPSCH CATALYST - The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 μm. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. | 09-03-2009 |
20090211232 | Emission Treatment Systems and Methods Using Passivated Surfaces - Provided are exhaust systems, components, and catalytic articles that have been passivated for use in conjunction with diesel engines that includes a NOx abatement system that uses a reductant. These items are passivated in order to minimize degradation of a reductant in their presence when, for example, they have been subjected to temperatures in excess of 650° C. | 08-27-2009 |
20090208396 | Alumina-Based Perovskite Catalysts and Catalyst Supports - An alumina-based perovskite is formed by mixing a lanthanide source with a transitional alumina to form a dual-phase composition comprising in situ formed LnAlO | 08-20-2009 |
20090197981 | FISCHER-TROPSCH CATALYST - The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron. | 08-06-2009 |
20090196812 | Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure - Catalysts comprising metal-loaded non-zeolitic molecular sieves having the CHA crystal structure, including Cu-SAPO-34, methods for preparing such catalysts, and systems and methods for treating exhaust gas incorporating such catalysts are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stability at high reaction temperatures. | 08-06-2009 |
20090193796 | GASOLINE ENGINE EMISSIONS TREATMENT SYSTEMS HAVING PARTICULATE TRAPS - Provided are exhaust systems and components suitable for use in conjunction with gasoline direct injection (GDI) engines to capture particulates in addition to reducing gaseous emission such as hydrocarbons, nitrogen oxides, and carbon monoxides. Exhaust treatment systems comprising a three-way conversion (TWC) catalyst located on a particulate trap are provided. An exemplary particulate trap is a soot filter. Additional treatment components can be added downstream of the particulate trap, including NO | 08-06-2009 |
20090183499 | APPARATUS AND CONTROL METHOD FOR AVOIDING SHOCK IN DIESEL FILTERS - Provided are systems and/or methods that facilitate regeneration of a soot filter for a diesel engine. The systems and/or methods can include a bypass tube that connects a compressor side of a turbocharger to an exhaust side of the turbocharger. Compressed air from the turbocharger is introduced through the bypass tube into the soot filter and reduced a soot filter temperature, thereby mitigating the risk of thermal shock and over temperature conditions in the soot filter. | 07-23-2009 |
20090180943 | Selective Ammonia Oxidation Catalysts - Catalysts, methods and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises a refractory metal oxide, a transition metal oxide, and platinum, the catalyst being effective to oxidize ammonia at temperatures less than about 300° C. and exhibiting no significant decrease in ammonia oxidation efficiency upon hydrothermal aging. Methods and systems including such catalysts are also provided. | 07-16-2009 |
20090171044 | MOLAR RATIO MODIFICATIONS TO LARGER POLYOLEFIN CATALYSTS - Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component having a substantially spherical shape and containing an internal electron donor, a support made by contacting substantially equal molar amounts of a magnesium compound and an epoxy compound in the presence of an aprotic solvent and subsequent treatment with a halogenating agent to provide a magnesium based catalyst support. The catalyst system can further contain an organoaluminum compound and an organosilicon compound. Also disclosed are methods of polymerizing or copolymerizing an alpha-olefin. The methods involve contacting an olefin with a catalyst system containing the solid titanium catalyst component. | 07-02-2009 |
20090158719 | Emission Treatment System - An emission treatment system and method for remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams are described. The emission treatment system has an oxidation catalyst upstream of a soot filter upstream from a NOx reducing catalyst. | 06-25-2009 |
20090155135 | Catalyzed Soot Filter Manufacture and Systems - Catalyzed soot filters comprising a wall flow monolith having microcracks and pores and a catalyst comprising support particles with particle sizes greater than about the size of the microcracks and less than about the size of the pores are disclosed. Methods of manufacturing catalyzed soot filters and diesel engine exhaust emission treatment systems are also disclosed. | 06-18-2009 |
20090149324 | LOW TEMPERATURE WATER GAS SHIFT CATALYST - A low temperature water gas shift catalyst containing copper, zinc, aluminum in which the aluminum component is prepared from highly dispersible alumina is disclosed. | 06-11-2009 |
20090142470 | PROCESS FOR THE HYDROGENATION OF UNSATURATED TRIGLYCERIDES - The invention is directed to a process for the hydrogenation of unsaturated triglycerides in the presence of a supported precious metal catalyst and hydrogen, in which process a precious metal catalyst is used, comprising an aggregate of solid support, precious metal nano particles and surfactant or polymer. | 06-04-2009 |
20090136401 | Pollutant Emission Control Sorbents and Methods of Manufacture and Use - Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight. | 05-28-2009 |
20090114600 | METAL COMPOUND REMOVAL - The present invention relates to a process for separating at least one metal compound and/or a component thereof from a mixture, said process comprising contacting the said mixture with a heteropoly acid or heteropoly acid anion, thereby producing a precipitate comprising the heteropoly acid or heteropoly acid anion and the metal compound and/or a component thereof. The present invention further relates to a process for the purification of a mixture containing at least one metal compound, said process comprising contacting the said mixture with a heteropoly acid or heteropoly acid anion, thereby producing a precipitate that is substantially insoluble in the said reaction mixture and recovering the reaction mixture. | 05-07-2009 |
20090104096 | Zone Coated Catalyst to Simultaneously Reduce NOx and Unreacted Ammonia - Provided is an emissions treatment system and method for reducing NOx emissions in the exhaust stream produced from an internal combustion engine. The system has an injector for periodically metering ammonia or an ammonia precursor into an exhaust stream; and a first substrate with a first SCR catalyst composition, downstream of the injector. The first substrate has an inlet end, an outlet end, a length extending between the inlet end to the outlet end, wall elements and a plurality of passages defined by the wall elements. The first SCR catalyst composition is disposed on the wall elements from the inlet end toward the outlet end to a length that is less than the substrate's axial length to form an inlet zone. | 04-23-2009 |
20090098032 | METHODS OF MAKING ALUMINOSILICATE COATED ALUMINA - An aluminosilicate coated alumina structure that is substantially free of alkaline metal impurities contains an aluminosilicate coating at least partially surrounding an alumina core. The aluminosilicate coated alumina structure is useful as a catalyst or catalyst support. | 04-16-2009 |
20090087367 | Ammonia Oxidation Catalyst for Power Utilities - The present invention is directed to a method for removal by oxidation of the excess ammonia (NH | 04-02-2009 |
20090049954 | SIMPLIFIED PROCESS FOR LEACHING PRECIOUS METALS FROM FUEL CELL MEMBRANE ELECTRODE ASSEMBLIES - The membrane electrode assemblies of fuel cells are recycled by pulverizing the membrane electrode assemblies into a powder and contacting with acid to leach precious metals. Surfactants can optionally be used to increase yield of precious metals recovered. | 02-26-2009 |
20090048353 | PROCESSES USING A SUPPORTED CATALYST - The present invention relates to a catalyst comprising a preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nickel, preferably a Fischer-Tropsch catalyst, to the preparation of such a catalyst and the use thereof in GTL processes. | 02-19-2009 |
20090031898 | Method of Treating Volatile Hydrocarbons - A hydrocarbon adsorption unit for recovery of volatile hydrocarbons which emanate from several sources and which would otherwise be released into the atmosphere through the air cleaner of an automobile engine when the engine is shut-off. The unit is positioned in the air intake system such that all air flowing through the engine passes through the unit. The unit comprises a housing having an air inlet and an air outlet. The housing contains a substrate and a volatile hydrocarbon adsorber material coated on the surface of the substrate. The adsorber material may be silica gel, a molecular sieve and/or activated carbon. The material further contains a binder that will cause the material to adhere to the surface of the substrate. | 02-05-2009 |
20090004084 | Exchange Cation Selection in ETS-4 to Control Adsorption Strength and Effective Pore Diameter - The effective pore diameter of ETS-4 can be controlled without thermal treatment by selecting various combinations of cations to exchange into ETS-4. The effect that any cation mixture has on the ETS-4 can be reduced to the weighted average of the effects of each cation present. | 01-01-2009 |
20080314798 | STRUCTURALLY ENHANCED CRACKING CATALYSTS - A cracking catalyst contains a substantially inert core and an active shell, the active shell containing a zeolite catalyst and a matrix. Methods of making and using the cracking catalyst are also described. | 12-25-2008 |
20080202107 | SCR ON LOW THERMAL MASS FILTER SUBSTRATES - Provided are selective catalytic reduction (SCR) filters that effectively provide simultaneous treatment of particulate matter and NO | 08-28-2008 |